kernel-5.16.1-60

* Sun Jan 16 2022 Justin M. Forbes <jforbes@fedoraproject.org> [5.16.1-60]
- netfilter: nat: force port remap to prevent shadowing well-known ports (Florian Westphal)
- netfilter: conntrack: tag conntracks picked up in local out hook (Florian Westphal)
- configs/fedora: Enable CONFIG_NFC_PN532_UART for use PN532 NFC module (Ziqian SUN (Zamir))
- Add PATCHLIST_URL to Makefile.variables (Justin M. Forbes)
- x86/PCI: Ignore E820 reservations for bridge windows on newer systems (Hans de Goede)
- Updates to configure for stable branch (Justin M. Forbes)
- redhat: switch the vsyscall config to CONFIG_LEGACY_VSYSCALL_XONLY=y (Herton R. Krzesinski) [1876977]
- redhat: configs: increase CONFIG_DEBUG_KMEMLEAK_MEM_POOL_SIZE (Rafael Aquini)
- move CONFIG_STRICT_SIGALTSTACK_SIZE to the appropriate directory (David Arcari)
- redhat/configs: Enable CONFIG_DM_MULTIPATH_IOA for fedora (Benjamin Marzinski)
- redhat/configs: Enable CONFIG_DM_MULTIPATH_HST (Benjamin Marzinski) [2000835]
- redhat: Pull in openssl-devel as a build dependency correctly (Neal Gompa) [2034670]
Resolves: rhbz#1876977, rhbz#2000835, rhbz#2034670

Signed-off-by: Justin M. Forbes <jforbes@fedoraproject.org>

1 files changed, 0 insertions, 2049 deletions

diff --git a/patch-5.15-redhat.patch b/patch-5.15-redhat.patch
deleted file mode 100644
index 3a88d2fa2..000000000
--- a/patch-5.15-redhat.patch
+++ /dev/null
@@ -1,2049 +0,0 @@
- Documentation/admin-guide/kernel-parameters.txt    |   9 ++
- Makefile                                           |   4 +
- arch/arm/Kconfig                                   |   4 +-
- arch/arm64/Kconfig                                 |   3 +-
- .../boot/dts/rockchip/rk3399-pinebook-pro.dts      |   6 +-
- arch/arm64/kernel/acpi.c                           |   2 +-
- arch/s390/include/asm/ipl.h                        |   1 +
- arch/s390/kernel/ipl.c                             |   5 +
- arch/s390/kernel/setup.c                           |   4 +
- arch/x86/include/asm/pci_x86.h                     |  10 ++
- arch/x86/kernel/resource.c                         |   4 +
- arch/x86/kernel/setup.c                            |  22 ++--
- arch/x86/pci/acpi.c                                |  49 ++++++--
- arch/x86/pci/common.c                              |   6 +
- crypto/rng.c                                       |  73 +++++++++++-
- drivers/acpi/apei/hest.c                           |   8 ++
- drivers/acpi/irq.c                                 |  17 ++-
- drivers/acpi/scan.c                                |   9 ++
- drivers/ata/libahci.c                              |  18 +++
- drivers/char/ipmi/ipmi_dmi.c                       |  15 +++
- drivers/char/ipmi/ipmi_msghandler.c                |  16 ++-
- drivers/char/random.c                              | 115 +++++++++++++++++++
- drivers/firmware/efi/Makefile                      |   1 +
- drivers/firmware/efi/efi.c                         | 124 +++++++++++++++------
- drivers/firmware/efi/secureboot.c                  |  38 +++++++
- drivers/hid/hid-rmi.c                              |  64 -----------
- drivers/hwtracing/coresight/coresight-etm4x-core.c |  19 ++++
- drivers/input/rmi4/rmi_driver.c                    | 124 ++++++++++++---------
- drivers/iommu/iommu.c                              |  22 ++++
- drivers/nvme/host/core.c                           |  22 +++-
- drivers/nvme/host/multipath.c                      |  19 ++--
- drivers/nvme/host/nvme.h                           |   4 +
- drivers/pci/quirks.c                               |  24 ++++
- drivers/usb/core/hub.c                             |   7 ++
- drivers/usb/host/xhci-tegra.c                      |  41 +++++--
- fs/btrfs/async-thread.c                            |  14 +++
- include/linux/efi.h                                |  22 ++--
- include/linux/lsm_hook_defs.h                      |   2 +
- include/linux/lsm_hooks.h                          |   6 +
- include/linux/random.h                             |   7 ++
- include/linux/rmi.h                                |   1 +
- include/linux/security.h                           |   5 +
- init/Kconfig                                       |   2 +-
- kernel/module_signing.c                            |   9 +-
- scripts/tags.sh                                    |   2 +
- security/integrity/platform_certs/load_uefi.c      |   6 +-
- security/lockdown/Kconfig                          |  13 +++
- security/lockdown/lockdown.c                       |   1 +
- security/security.c                                |   6 +
- 49 files changed, 791 insertions(+), 214 deletions(-)
-
-diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
-index 1396fd2d9031..4bc97128cee8 100644
---- a/Documentation/admin-guide/kernel-parameters.txt
-+++ b/Documentation/admin-guide/kernel-parameters.txt
-@@ -3949,6 +3949,15 @@
- 				please report a bug.
- 		nocrs		[X86] Ignore PCI host bridge windows from ACPI.
- 				If you need to use this, please report a bug.
-+		use_e820	[X86] Use E820 reservations to exclude parts of
-+				PCI host bridge windows. This is a workaround
-+				for BIOS defects in host bridge _CRS methods.
-+				If you need to use this, please report a bug to
-+				<linux-pci@vger.kernel.org>.
-+		no_e820		[X86] Ignore E820 reservations for PCI host
-+				bridge windows. This is the default on modern
-+				hardware. If you need to use this, please report
-+				a bug to <linux-pci@vger.kernel.org>.
- 		routeirq	Do IRQ routing for all PCI devices.
- 				This is normally done in pci_enable_device(),
- 				so this option is a temporary workaround
-diff --git a/Makefile b/Makefile
-index 79eeb13c0973..084fdfae9d16 100644
---- a/Makefile
-+++ b/Makefile
-@@ -18,6 +18,10 @@ $(if $(filter __%, $(MAKECMDGOALS)), \
- PHONY := __all
- __all:
-
-+# Set RHEL variables
-+# Use this spot to avoid future merge conflicts
-+include Makefile.rhelver
-+
- # We are using a recursive build, so we need to do a little thinking
- # to get the ordering right.
- #
-diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
-index dcf2df6da98f..b03b682850ab 100644
---- a/arch/arm/Kconfig
-+++ b/arch/arm/Kconfig
-@@ -1470,9 +1470,9 @@ config HIGHMEM
- 	  If unsure, say n.
-
- config HIGHPTE
--	bool "Allocate 2nd-level pagetables from highmem" if EXPERT
-+	bool "Allocate 2nd-level pagetables from highmem"
- 	depends on HIGHMEM
--	default y
-+	default n
- 	help
- 	  The VM uses one page of physical memory for each page table.
- 	  For systems with a lot of processes, this can use a lot of
-diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
-index fee914c716aa..99bb34aac703 100644
---- a/arch/arm64/Kconfig
-+++ b/arch/arm64/Kconfig
-@@ -911,7 +911,7 @@ endchoice
-
- config ARM64_FORCE_52BIT
- 	bool "Force 52-bit virtual addresses for userspace"
--	depends on ARM64_VA_BITS_52 && EXPERT
-+	depends on ARM64_VA_BITS_52
- 	help
- 	  For systems with 52-bit userspace VAs enabled, the kernel will attempt
- 	  to maintain compatibility with older software by providing 48-bit VAs
-@@ -1152,6 +1152,7 @@ config XEN
- config FORCE_MAX_ZONEORDER
- 	int
- 	default "14" if ARM64_64K_PAGES
-+	default "13" if (ARCH_THUNDER && !ARM64_64K_PAGES)
- 	default "12" if ARM64_16K_PAGES
- 	default "11"
- 	help
-diff --git a/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts b/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts
-index 2b5f001ff4a6..dae8c252bc2b 100644
---- a/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts
-+++ b/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts
-@@ -385,10 +385,6 @@ mains_charger: dc-charger {
- 	};
- };
-
--&cdn_dp {
--	status = "okay";
--};
--
- &cpu_b0 {
- 	cpu-supply = <&vdd_cpu_b>;
- };
-@@ -711,7 +707,7 @@ fusb0: fusb30x@22 {
-
- 		connector {
- 			compatible = "usb-c-connector";
--			data-role = "host";
-+			data-role = "dual";
- 			label = "USB-C";
- 			op-sink-microwatt = <1000000>;
- 			power-role = "dual";
-diff --git a/arch/arm64/kernel/acpi.c b/arch/arm64/kernel/acpi.c
-index f3851724fe35..cac21da49455 100644
---- a/arch/arm64/kernel/acpi.c
-+++ b/arch/arm64/kernel/acpi.c
-@@ -40,7 +40,7 @@ int acpi_pci_disabled = 1;	/* skip ACPI PCI scan and IRQ initialization */
- EXPORT_SYMBOL(acpi_pci_disabled);
-
- static bool param_acpi_off __initdata;
--static bool param_acpi_on __initdata;
-+static bool param_acpi_on __initdata = true;
- static bool param_acpi_force __initdata;
-
- static int __init parse_acpi(char *arg)
-diff --git a/arch/s390/include/asm/ipl.h b/arch/s390/include/asm/ipl.h
-index 3f8ee257f9aa..3ab92feb6241 100644
---- a/arch/s390/include/asm/ipl.h
-+++ b/arch/s390/include/asm/ipl.h
-@@ -128,6 +128,7 @@ int ipl_report_add_component(struct ipl_report *report, struct kexec_buf *kbuf,
- 			     unsigned char flags, unsigned short cert);
- int ipl_report_add_certificate(struct ipl_report *report, void *key,
- 			       unsigned long addr, unsigned long len);
-+bool ipl_get_secureboot(void);
-
- /*
-  * DIAG 308 support
-diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c
-index e2cc35775b99..96fc8134f056 100644
---- a/arch/s390/kernel/ipl.c
-+++ b/arch/s390/kernel/ipl.c
-@@ -2215,3 +2215,8 @@ int ipl_report_free(struct ipl_report *report)
- }
-
- #endif
-+
-+bool ipl_get_secureboot(void)
-+{
-+	return !!ipl_secure_flag;
-+}
-diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
-index 67e5fff96ee0..0d58c1f07176 100644
---- a/arch/s390/kernel/setup.c
-+++ b/arch/s390/kernel/setup.c
-@@ -49,6 +49,7 @@
- #include <linux/memory.h>
- #include <linux/compat.h>
- #include <linux/start_kernel.h>
-+#include <linux/security.h>
- #include <linux/hugetlb.h>
- #include <linux/kmemleak.h>
-
-@@ -981,6 +982,9 @@ void __init setup_arch(char **cmdline_p)
-
- 	log_component_list();
-
-+	if (ipl_get_secureboot())
-+		security_lock_kernel_down("Secure IPL mode", LOCKDOWN_INTEGRITY_MAX);
-+
- 	/* Have one command line that is parsed and saved in /proc/cmdline */
- 	/* boot_command_line has been already set up in early.c */
- 	*cmdline_p = boot_command_line;
-diff --git a/arch/x86/include/asm/pci_x86.h b/arch/x86/include/asm/pci_x86.h
-index 490411dba438..0bb4e7dd0ffc 100644
---- a/arch/x86/include/asm/pci_x86.h
-+++ b/arch/x86/include/asm/pci_x86.h
-@@ -39,6 +39,8 @@ do {						\
- #define PCI_ROOT_NO_CRS		0x100000
- #define PCI_NOASSIGN_BARS	0x200000
- #define PCI_BIG_ROOT_WINDOW	0x400000
-+#define PCI_USE_E820		0x800000
-+#define PCI_NO_E820		0x1000000
-
- extern unsigned int pci_probe;
- extern unsigned long pirq_table_addr;
-@@ -64,6 +66,8 @@ void pcibios_scan_specific_bus(int busn);
-
- /* pci-irq.c */
-
-+struct pci_dev;
-+
- struct irq_info {
- 	u8 bus, devfn;			/* Bus, device and function */
- 	struct {
-@@ -232,3 +236,9 @@ static inline void mmio_config_writel(void __iomem *pos, u32 val)
- # define x86_default_pci_init_irq	NULL
- # define x86_default_pci_fixup_irqs	NULL
- #endif
-+
-+#if defined(CONFIG_PCI) && defined(CONFIG_ACPI)
-+extern bool pci_use_e820;
-+#else
-+#define pci_use_e820 false
-+#endif
-diff --git a/arch/x86/kernel/resource.c b/arch/x86/kernel/resource.c
-index 9b9fb7882c20..e8dc9bc327bd 100644
---- a/arch/x86/kernel/resource.c
-+++ b/arch/x86/kernel/resource.c
-@@ -1,6 +1,7 @@
- // SPDX-License-Identifier: GPL-2.0
- #include <linux/ioport.h>
- #include <asm/e820/api.h>
-+#include <asm/pci_x86.h>
-
- static void resource_clip(struct resource *res, resource_size_t start,
- 			  resource_size_t end)
-@@ -28,6 +29,9 @@ static void remove_e820_regions(struct resource *avail)
- 	int i;
- 	struct e820_entry *entry;
-
-+	if (!pci_use_e820)
-+		return;
-+
- 	for (i = 0; i < e820_table->nr_entries; i++) {
- 		entry = &e820_table->entries[i];
-
-diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
-index 40ed44ead063..31aac8c787cf 100644
---- a/arch/x86/kernel/setup.c
-+++ b/arch/x86/kernel/setup.c
-@@ -20,6 +20,7 @@
- #include <linux/root_dev.h>
- #include <linux/hugetlb.h>
- #include <linux/tboot.h>
-+#include <linux/security.h>
- #include <linux/usb/xhci-dbgp.h>
- #include <linux/static_call.h>
- #include <linux/swiotlb.h>
-@@ -929,6 +930,13 @@ void __init setup_arch(char **cmdline_p)
- 	if (efi_enabled(EFI_BOOT))
- 		efi_init();
-
-+	efi_set_secure_boot(boot_params.secure_boot);
-+
-+#ifdef CONFIG_LOCK_DOWN_IN_EFI_SECURE_BOOT
-+	if (efi_enabled(EFI_SECURE_BOOT))
-+		security_lock_kernel_down("EFI Secure Boot mode", LOCKDOWN_INTEGRITY_MAX);
-+#endif
-+
- 	dmi_setup();
-
- 	/*
-@@ -1094,19 +1102,7 @@ void __init setup_arch(char **cmdline_p)
- 	/* Allocate bigger log buffer */
- 	setup_log_buf(1);
-
--	if (efi_enabled(EFI_BOOT)) {
--		switch (boot_params.secure_boot) {
--		case efi_secureboot_mode_disabled:
--			pr_info("Secure boot disabled\n");
--			break;
--		case efi_secureboot_mode_enabled:
--			pr_info("Secure boot enabled\n");
--			break;
--		default:
--			pr_info("Secure boot could not be determined\n");
--			break;
--		}
--	}
-+	efi_set_secure_boot(boot_params.secure_boot);
-
- 	reserve_initrd();
-
-diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
-index 948656069cdd..f357dac92610 100644
---- a/arch/x86/pci/acpi.c
-+++ b/arch/x86/pci/acpi.c
-@@ -1,4 +1,7 @@
- // SPDX-License-Identifier: GPL-2.0
-+
-+#define pr_fmt(fmt) "PCI: " fmt
-+
- #include <linux/pci.h>
- #include <linux/acpi.h>
- #include <linux/init.h>
-@@ -21,6 +24,8 @@ struct pci_root_info {
-
- static bool pci_use_crs = true;
- static bool pci_ignore_seg = false;
-+/* Consumed in arch/x86/kernel/resource.c */
-+bool pci_use_e820 = false;
-
- static int __init set_use_crs(const struct dmi_system_id *id)
- {
-@@ -36,7 +41,7 @@ static int __init set_nouse_crs(const struct dmi_system_id *id)
-
- static int __init set_ignore_seg(const struct dmi_system_id *id)
- {
--	printk(KERN_INFO "PCI: %s detected: ignoring ACPI _SEG\n", id->ident);
-+	pr_info("%s detected: ignoring ACPI _SEG\n", id->ident);
- 	pci_ignore_seg = true;
- 	return 0;
- }
-@@ -156,10 +161,35 @@ void __init pci_acpi_crs_quirks(void)
- 	else if (pci_probe & PCI_USE__CRS)
- 		pci_use_crs = true;
-
--	printk(KERN_INFO "PCI: %s host bridge windows from ACPI; "
--	       "if necessary, use \"pci=%s\" and report a bug\n",
--	       pci_use_crs ? "Using" : "Ignoring",
--	       pci_use_crs ? "nocrs" : "use_crs");
-+	pr_info("%s host bridge windows from ACPI; if necessary, use \"pci=%s\" and report a bug\n",
-+		pci_use_crs ? "Using" : "Ignoring",
-+		pci_use_crs ? "nocrs" : "use_crs");
-+
-+	/*
-+	 * Some BIOS-es contain a bug where they add addresses which map to
-+	 * system RAM in the PCI host bridge window returned by the ACPI _CRS
-+	 * method, see commit 4dc2287c1805 ("x86: avoid E820 regions when
-+	 * allocating address space"). To avoid this Linux by default excludes
-+	 * E820 reservations when allocating addresses since 2010.
-+	 * In 2020 some systems have shown-up with E820 reservations which cover
-+	 * the entire _CRS returned PCI host bridge window, causing all attempts
-+	 * to assign memory to PCI BARs to fail if Linux uses E820 reservations.
-+	 *
-+	 * Ideally Linux would fully stop using E820 reservations, but then
-+	 * the old systems this was added for will regress.
-+	 * Instead keep the old behavior for old systems, while ignoring the
-+	 * E820 reservations for any systems from now on.
-+	 */
-+	if (year >= 0 && year < 2018)
-+		pci_use_e820 = true;
-+
-+	if (pci_probe & PCI_NO_E820)
-+		pci_use_e820 = false;
-+	else if (pci_probe & PCI_USE_E820)
-+		pci_use_e820 = true;
-+
-+	pr_info("%s E820 reservations for host bridge windows\n",
-+		pci_use_e820 ? "Using" : "Ignoring");
- }
-
- #ifdef	CONFIG_PCI_MMCONFIG
-@@ -334,9 +364,8 @@ struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
- 		root->segment = domain = 0;
-
- 	if (domain && !pci_domains_supported) {
--		printk(KERN_WARNING "pci_bus %04x:%02x: "
--		       "ignored (multiple domains not supported)\n",
--		       domain, busnum);
-+		pr_warn("pci_bus %04x:%02x: ignored (multiple domains not supported)\n",
-+			domain, busnum);
- 		return NULL;
- 	}
-
-@@ -404,7 +433,7 @@ int __init pci_acpi_init(void)
- 	if (acpi_noirq)
- 		return -ENODEV;
-
--	printk(KERN_INFO "PCI: Using ACPI for IRQ routing\n");
-+	pr_info("Using ACPI for IRQ routing\n");
- 	acpi_irq_penalty_init();
- 	pcibios_enable_irq = acpi_pci_irq_enable;
- 	pcibios_disable_irq = acpi_pci_irq_disable;
-@@ -416,7 +445,7 @@ int __init pci_acpi_init(void)
- 		 * also do it here in case there are still broken drivers that
- 		 * don't use pci_enable_device().
- 		 */
--		printk(KERN_INFO "PCI: Routing PCI interrupts for all devices because \"pci=routeirq\" specified\n");
-+		pr_info("Routing PCI interrupts for all devices because \"pci=routeirq\" specified\n");
- 		for_each_pci_dev(dev)
- 			acpi_pci_irq_enable(dev);
- 	}
-diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
-index 3507f456fcd0..091ec7e94fcb 100644
---- a/arch/x86/pci/common.c
-+++ b/arch/x86/pci/common.c
-@@ -595,6 +595,12 @@ char *__init pcibios_setup(char *str)
- 	} else if (!strcmp(str, "nocrs")) {
- 		pci_probe |= PCI_ROOT_NO_CRS;
- 		return NULL;
-+	} else if (!strcmp(str, "use_e820")) {
-+		pci_probe |= PCI_USE_E820;
-+		return NULL;
-+	} else if (!strcmp(str, "no_e820")) {
-+		pci_probe |= PCI_NO_E820;
-+		return NULL;
- #ifdef CONFIG_PHYS_ADDR_T_64BIT
- 	} else if (!strcmp(str, "big_root_window")) {
- 		pci_probe |= PCI_BIG_ROOT_WINDOW;
-diff --git a/crypto/rng.c b/crypto/rng.c
-index fea082b25fe4..50a9d040bed1 100644
---- a/crypto/rng.c
-+++ b/crypto/rng.c
-@@ -11,14 +11,17 @@
- #include <linux/atomic.h>
- #include <crypto/internal/rng.h>
- #include <linux/err.h>
-+#include <linux/fips.h>
-+#include <linux/kernel.h>
- #include <linux/module.h>
- #include <linux/mutex.h>
- #include <linux/random.h>
- #include <linux/seq_file.h>
-+#include <linux/sched.h>
-+#include <linux/sched/signal.h>
- #include <linux/slab.h>
- #include <linux/string.h>
- #include <linux/cryptouser.h>
--#include <linux/compiler.h>
- #include <net/netlink.h>
-
- #include "internal.h"
-@@ -224,5 +227,73 @@ void crypto_unregister_rngs(struct rng_alg *algs, int count)
- }
- EXPORT_SYMBOL_GPL(crypto_unregister_rngs);
-
-+static ssize_t crypto_devrandom_read(void __user *buf, size_t buflen)
-+{
-+	u8 tmp[256];
-+	ssize_t ret;
-+
-+	if (!buflen)
-+		return 0;
-+
-+	ret = crypto_get_default_rng();
-+	if (ret)
-+		return ret;
-+
-+	for (;;) {
-+		int err;
-+		int i;
-+
-+		i = min_t(int, buflen, sizeof(tmp));
-+		err = crypto_rng_get_bytes(crypto_default_rng, tmp, i);
-+		if (err) {
-+			ret = err;
-+			break;
-+		}
-+
-+		if (copy_to_user(buf, tmp, i)) {
-+			ret = -EFAULT;
-+			break;
-+		}
-+
-+		buflen -= i;
-+		buf += i;
-+		ret += i;
-+
-+		if (!buflen)
-+			break;
-+
-+		if (need_resched()) {
-+			if (signal_pending(current))
-+				break;
-+			schedule();
-+		}
-+	}
-+
-+	crypto_put_default_rng();
-+	memzero_explicit(tmp, sizeof(tmp));
-+
-+	return ret;
-+}
-+
-+static const struct random_extrng crypto_devrandom_rng = {
-+	.extrng_read = crypto_devrandom_read,
-+	.owner = THIS_MODULE,
-+};
-+
-+static int __init crypto_rng_init(void)
-+{
-+	if (fips_enabled)
-+		random_register_extrng(&crypto_devrandom_rng);
-+	return 0;
-+}
-+
-+static void __exit crypto_rng_exit(void)
-+{
-+	random_unregister_extrng();
-+}
-+
-+late_initcall(crypto_rng_init);
-+module_exit(crypto_rng_exit);
-+
- MODULE_LICENSE("GPL");
- MODULE_DESCRIPTION("Random Number Generator");
-diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c
-index 277f00b288d1..adbce15c273d 100644
---- a/drivers/acpi/apei/hest.c
-+++ b/drivers/acpi/apei/hest.c
-@@ -94,6 +94,14 @@ int apei_hest_parse(apei_hest_func_t func, void *data)
- 	if (hest_disable || !hest_tab)
- 		return -EINVAL;
-
-+#ifdef CONFIG_ARM64
-+	/* Ignore broken firmware */
-+	if (!strncmp(hest_tab->header.oem_id, "HPE   ", 6) &&
-+	    !strncmp(hest_tab->header.oem_table_id, "ProLiant", 8) &&
-+	    MIDR_IMPLEMENTOR(read_cpuid_id()) == ARM_CPU_IMP_APM)
-+		return -EINVAL;
-+#endif
-+
- 	hest_hdr = (struct acpi_hest_header *)(hest_tab + 1);
- 	for (i = 0; i < hest_tab->error_source_count; i++) {
- 		len = hest_esrc_len(hest_hdr);
-diff --git a/drivers/acpi/irq.c b/drivers/acpi/irq.c
-index c68e694fca26..146cba5ae5bc 100644
---- a/drivers/acpi/irq.c
-+++ b/drivers/acpi/irq.c
-@@ -130,6 +130,7 @@ struct acpi_irq_parse_one_ctx {
- 	unsigned int index;
- 	unsigned long *res_flags;
- 	struct irq_fwspec *fwspec;
-+	bool skip_producer_check;
- };
-
- /**
-@@ -201,7 +202,8 @@ static acpi_status acpi_irq_parse_one_cb(struct acpi_resource *ares,
- 		return AE_CTRL_TERMINATE;
- 	case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
- 		eirq = &ares->data.extended_irq;
--		if (eirq->producer_consumer == ACPI_PRODUCER)
-+		if (!ctx->skip_producer_check &&
-+		    eirq->producer_consumer == ACPI_PRODUCER)
- 			return AE_OK;
- 		if (ctx->index >= eirq->interrupt_count) {
- 			ctx->index -= eirq->interrupt_count;
-@@ -236,8 +238,19 @@ static acpi_status acpi_irq_parse_one_cb(struct acpi_resource *ares,
- static int acpi_irq_parse_one(acpi_handle handle, unsigned int index,
- 			      struct irq_fwspec *fwspec, unsigned long *flags)
- {
--	struct acpi_irq_parse_one_ctx ctx = { -EINVAL, index, flags, fwspec };
-+	struct acpi_irq_parse_one_ctx ctx = { -EINVAL, index, flags, fwspec, false };
-
-+	/*
-+	 * Firmware on arm64-based HPE m400 platform incorrectly marks
-+	 * its UART interrupt as ACPI_PRODUCER rather than ACPI_CONSUMER.
-+	 * Don't do the producer/consumer check for that device.
-+	 */
-+	if (IS_ENABLED(CONFIG_ARM64)) {
-+		struct acpi_device *adev = acpi_bus_get_acpi_device(handle);
-+
-+		if (adev && !strcmp(acpi_device_hid(adev), "APMC0D08"))
-+			ctx.skip_producer_check = true;
-+	}
- 	acpi_walk_resources(handle, METHOD_NAME__CRS, acpi_irq_parse_one_cb, &ctx);
- 	return ctx.rc;
- }
-diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
-index 770b82483d74..1b922c6b79d6 100644
---- a/drivers/acpi/scan.c
-+++ b/drivers/acpi/scan.c
-@@ -1720,6 +1720,15 @@ static bool acpi_device_enumeration_by_parent(struct acpi_device *device)
- 	if (!acpi_match_device_ids(device, i2c_multi_instantiate_ids))
- 		return false;
-
-+	/*
-+	 * Firmware on some arm64 X-Gene platforms will make the UART
-+	 * device appear as both a UART and a slave of that UART. Just
-+	 * bail out here for X-Gene UARTs.
-+	 */
-+	if (IS_ENABLED(CONFIG_ARM64) &&
-+	    !strcmp(acpi_device_hid(device), "APMC0D08"))
-+		return false;
-+
- 	INIT_LIST_HEAD(&resource_list);
- 	acpi_dev_get_resources(device, &resource_list,
- 			       acpi_check_serial_bus_slave,
-diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
-index 5b3fa2cbe722..ad46d87e17e2 100644
---- a/drivers/ata/libahci.c
-+++ b/drivers/ata/libahci.c
-@@ -672,6 +672,24 @@ int ahci_stop_engine(struct ata_port *ap)
- 	tmp &= ~PORT_CMD_START;
- 	writel(tmp, port_mmio + PORT_CMD);
-
-+#ifdef CONFIG_ARM64
-+	/* Rev Ax of Cavium CN99XX needs a hack for port stop */
-+	if (dev_is_pci(ap->host->dev) &&
-+	    to_pci_dev(ap->host->dev)->vendor == 0x14e4 &&
-+	    to_pci_dev(ap->host->dev)->device == 0x9027 &&
-+	    midr_is_cpu_model_range(read_cpuid_id(),
-+			MIDR_CPU_MODEL(ARM_CPU_IMP_BRCM, BRCM_CPU_PART_VULCAN),
-+			MIDR_CPU_VAR_REV(0, 0),
-+			MIDR_CPU_VAR_REV(0, MIDR_REVISION_MASK))) {
-+		tmp = readl(hpriv->mmio + 0x8000);
-+		udelay(100);
-+		writel(tmp | (1 << 26), hpriv->mmio + 0x8000);
-+		udelay(100);
-+		writel(tmp & ~(1 << 26), hpriv->mmio + 0x8000);
-+		dev_warn(ap->host->dev, "CN99XX SATA reset workaround applied\n");
-+	}
-+#endif
-+
- 	/* wait for engine to stop. This could be as long as 500 msec */
- 	tmp = ata_wait_register(ap, port_mmio + PORT_CMD,
- 				PORT_CMD_LIST_ON, PORT_CMD_LIST_ON, 1, 500);
-diff --git a/drivers/char/ipmi/ipmi_dmi.c b/drivers/char/ipmi/ipmi_dmi.c
-index bbf7029e224b..cf7faa970dd6 100644
---- a/drivers/char/ipmi/ipmi_dmi.c
-+++ b/drivers/char/ipmi/ipmi_dmi.c
-@@ -215,6 +215,21 @@ static int __init scan_for_dmi_ipmi(void)
- {
- 	const struct dmi_device *dev = NULL;
-
-+#ifdef CONFIG_ARM64
-+	/* RHEL-only
-+	 * If this is ARM-based HPE m400, return now, because that platform
-+	 * reports the host-side ipmi address as intel port-io space, which
-+	 * does not exist in the ARM architecture.
-+	 */
-+	const char *dmistr = dmi_get_system_info(DMI_PRODUCT_NAME);
-+
-+	if (dmistr && (strcmp("ProLiant m400 Server", dmistr) == 0)) {
-+		pr_debug("%s does not support host ipmi\n", dmistr);
-+		return 0;
-+	}
-+	/* END RHEL-only */
-+#endif
-+
- 	while ((dev = dmi_find_device(DMI_DEV_TYPE_IPMI, NULL, dev)))
- 		dmi_decode_ipmi((const struct dmi_header *) dev->device_data);
-
-diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
-index a08f53f208bf..49942737cae0 100644
---- a/drivers/char/ipmi/ipmi_msghandler.c
-+++ b/drivers/char/ipmi/ipmi_msghandler.c
-@@ -35,6 +35,7 @@
- #include <linux/uuid.h>
- #include <linux/nospec.h>
- #include <linux/vmalloc.h>
-+#include <linux/dmi.h>
- #include <linux/delay.h>
-
- #define IPMI_DRIVER_VERSION "39.2"
-@@ -5164,8 +5165,21 @@ static int __init ipmi_init_msghandler_mod(void)
- {
- 	int rv;
-
--	pr_info("version " IPMI_DRIVER_VERSION "\n");
-+#ifdef CONFIG_ARM64
-+	/* RHEL-only
-+	 * If this is ARM-based HPE m400, return now, because that platform
-+	 * reports the host-side ipmi address as intel port-io space, which
-+	 * does not exist in the ARM architecture.
-+	 */
-+	const char *dmistr = dmi_get_system_info(DMI_PRODUCT_NAME);
-
-+	if (dmistr && (strcmp("ProLiant m400 Server", dmistr) == 0)) {
-+		pr_debug("%s does not support host ipmi\n", dmistr);
-+		return -ENOSYS;
-+	}
-+	/* END RHEL-only */
-+#endif
-+	pr_info("version " IPMI_DRIVER_VERSION "\n");
- 	mutex_lock(&ipmi_interfaces_mutex);
- 	rv = ipmi_register_driver();
- 	mutex_unlock(&ipmi_interfaces_mutex);
-diff --git a/drivers/char/random.c b/drivers/char/random.c
-index 605969ed0f96..4d51f1c67675 100644
---- a/drivers/char/random.c
-+++ b/drivers/char/random.c
-@@ -335,6 +335,7 @@
- #include <linux/syscalls.h>
- #include <linux/completion.h>
- #include <linux/uuid.h>
-+#include <linux/rcupdate.h>
- #include <crypto/chacha.h>
- #include <crypto/sha1.h>
-
-@@ -349,6 +350,11 @@
-
- /* #define ADD_INTERRUPT_BENCH */
-
-+/*
-+ * Hook for external RNG.
-+ */
-+static const struct random_extrng __rcu *extrng;
-+
- /*
-  * Configuration information
-  */
-@@ -481,6 +487,9 @@ static int ratelimit_disable __read_mostly;
- module_param_named(ratelimit_disable, ratelimit_disable, int, 0644);
- MODULE_PARM_DESC(ratelimit_disable, "Disable random ratelimit suppression");
-
-+static const struct file_operations extrng_random_fops;
-+static const struct file_operations extrng_urandom_fops;
-+
- /**********************************************************************
-  *
-  * OS independent entropy store.   Here are the functions which handle
-@@ -1858,6 +1867,13 @@ random_poll(struct file *file, poll_table * wait)
- 	return mask;
- }
-
-+static __poll_t
-+extrng_poll(struct file *file, poll_table * wait)
-+{
-+	/* extrng pool is always full, always read, no writes */
-+	return EPOLLIN | EPOLLRDNORM;
-+}
-+
- static int
- write_pool(struct entropy_store *r, const char __user *buffer, size_t count)
- {
-@@ -1961,7 +1977,58 @@ static int random_fasync(int fd, struct file *filp, int on)
- 	return fasync_helper(fd, filp, on, &fasync);
- }
-
-+static int random_open(struct inode *inode, struct file *filp)
-+{
-+	const struct random_extrng *rng;
-+
-+	rcu_read_lock();
-+	rng = rcu_dereference(extrng);
-+	if (rng && !try_module_get(rng->owner))
-+		rng = NULL;
-+	rcu_read_unlock();
-+
-+	if (!rng)
-+		return 0;
-+
-+	filp->f_op = &extrng_random_fops;
-+	filp->private_data = rng->owner;
-+
-+	return 0;
-+}
-+
-+static int urandom_open(struct inode *inode, struct file *filp)
-+{
-+	const struct random_extrng *rng;
-+
-+	rcu_read_lock();
-+	rng = rcu_dereference(extrng);
-+	if (rng && !try_module_get(rng->owner))
-+		rng = NULL;
-+	rcu_read_unlock();
-+
-+	if (!rng)
-+		return 0;
-+
-+	filp->f_op = &extrng_urandom_fops;
-+	filp->private_data = rng->owner;
-+
-+	return 0;
-+}
-+
-+static int extrng_release(struct inode *inode, struct file *filp)
-+{
-+	module_put(filp->private_data);
-+	return 0;
-+}
-+
-+static ssize_t
-+extrng_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos)
-+{
-+	return rcu_dereference_raw(extrng)->extrng_read(buf, nbytes);
-+}
-+
- const struct file_operations random_fops = {
-+	.open  = random_open,
- 	.read  = random_read,
- 	.write = random_write,
- 	.poll  = random_poll,
-@@ -1972,6 +2039,7 @@ const struct file_operations random_fops = {
- };
-
- const struct file_operations urandom_fops = {
-+	.open  = urandom_open,
- 	.read  = urandom_read,
- 	.write = random_write,
- 	.unlocked_ioctl = random_ioctl,
-@@ -1980,9 +2048,31 @@ const struct file_operations urandom_fops = {
- 	.llseek = noop_llseek,
- };
-
-+static const struct file_operations extrng_random_fops = {
-+	.open  = random_open,
-+	.read  = extrng_read,
-+	.write = random_write,
-+	.poll  = extrng_poll,
-+	.unlocked_ioctl = random_ioctl,
-+	.fasync = random_fasync,
-+	.llseek = noop_llseek,
-+	.release = extrng_release,
-+};
-+
-+static const struct file_operations extrng_urandom_fops = {
-+	.open  = urandom_open,
-+	.read  = extrng_read,
-+	.write = random_write,
-+	.unlocked_ioctl = random_ioctl,
-+	.fasync = random_fasync,
-+	.llseek = noop_llseek,
-+	.release = extrng_release,
-+};
-+
- SYSCALL_DEFINE3(getrandom, char __user *, buf, size_t, count,
- 		unsigned int, flags)
- {
-+	const struct random_extrng *rng;
- 	int ret;
-
- 	if (flags & ~(GRND_NONBLOCK|GRND_RANDOM|GRND_INSECURE))
-@@ -1998,6 +2088,18 @@ SYSCALL_DEFINE3(getrandom, char __user *, buf, size_t, count,
- 	if (count > INT_MAX)
- 		count = INT_MAX;
-
-+	rcu_read_lock();
-+	rng = rcu_dereference(extrng);
-+	if (rng && !try_module_get(rng->owner))
-+		rng = NULL;
-+	rcu_read_unlock();
-+
-+	if (rng) {
-+		ret = rng->extrng_read(buf, count);
-+		module_put(rng->owner);
-+		return ret;
-+	}
-+
- 	if (!(flags & GRND_INSECURE) && !crng_ready()) {
- 		if (flags & GRND_NONBLOCK)
- 			return -EAGAIN;
-@@ -2303,3 +2405,16 @@ void add_bootloader_randomness(const void *buf, unsigned int size)
- 		add_device_randomness(buf, size);
- }
- EXPORT_SYMBOL_GPL(add_bootloader_randomness);
-+
-+void random_register_extrng(const struct random_extrng *rng)
-+{
-+	rcu_assign_pointer(extrng, rng);
-+}
-+EXPORT_SYMBOL_GPL(random_register_extrng);
-+
-+void random_unregister_extrng(void)
-+{
-+	RCU_INIT_POINTER(extrng, NULL);
-+	synchronize_rcu();
-+}
-+EXPORT_SYMBOL_GPL(random_unregister_extrng);
-diff --git a/drivers/firmware/efi/Makefile b/drivers/firmware/efi/Makefile
-index c02ff25dd477..d860f8eb9a81 100644
---- a/drivers/firmware/efi/Makefile
-+++ b/drivers/firmware/efi/Makefile
-@@ -28,6 +28,7 @@ obj-$(CONFIG_EFI_FAKE_MEMMAP)		+= fake_map.o
- obj-$(CONFIG_EFI_BOOTLOADER_CONTROL)	+= efibc.o
- obj-$(CONFIG_EFI_TEST)			+= test/
- obj-$(CONFIG_EFI_DEV_PATH_PARSER)	+= dev-path-parser.o
-+obj-$(CONFIG_EFI)			+= secureboot.o
- obj-$(CONFIG_APPLE_PROPERTIES)		+= apple-properties.o
- obj-$(CONFIG_EFI_RCI2_TABLE)		+= rci2-table.o
- obj-$(CONFIG_EFI_EMBEDDED_FIRMWARE)	+= embedded-firmware.o
-diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
-index 847f33ffc4ae..363037f8eaf8 100644
---- a/drivers/firmware/efi/efi.c
-+++ b/drivers/firmware/efi/efi.c
-@@ -31,6 +31,7 @@
- #include <linux/ucs2_string.h>
- #include <linux/memblock.h>
- #include <linux/security.h>
-+#include <linux/bsearch.h>
-
- #include <asm/early_ioremap.h>
-
-@@ -841,40 +842,101 @@ int efi_mem_type(unsigned long phys_addr)
- }
- #endif
-
-+struct efi_error_code {
-+	efi_status_t status;
-+	int errno;
-+	const char *description;
-+};
-+
-+static const struct efi_error_code efi_error_codes[] = {
-+	{ EFI_SUCCESS, 0, "Success"},
-+#if 0
-+	{ EFI_LOAD_ERROR, -EPICK_AN_ERRNO, "Load Error"},
-+#endif
-+	{ EFI_INVALID_PARAMETER, -EINVAL, "Invalid Parameter"},
-+	{ EFI_UNSUPPORTED, -ENOSYS, "Unsupported"},
-+	{ EFI_BAD_BUFFER_SIZE, -ENOSPC, "Bad Buffer Size"},
-+	{ EFI_BUFFER_TOO_SMALL, -ENOSPC, "Buffer Too Small"},
-+	{ EFI_NOT_READY, -EAGAIN, "Not Ready"},
-+	{ EFI_DEVICE_ERROR, -EIO, "Device Error"},
-+	{ EFI_WRITE_PROTECTED, -EROFS, "Write Protected"},
-+	{ EFI_OUT_OF_RESOURCES, -ENOMEM, "Out of Resources"},
-+#if 0
-+	{ EFI_VOLUME_CORRUPTED, -EPICK_AN_ERRNO, "Volume Corrupt"},
-+	{ EFI_VOLUME_FULL, -EPICK_AN_ERRNO, "Volume Full"},
-+	{ EFI_NO_MEDIA, -EPICK_AN_ERRNO, "No Media"},
-+	{ EFI_MEDIA_CHANGED, -EPICK_AN_ERRNO, "Media changed"},
-+#endif
-+	{ EFI_NOT_FOUND, -ENOENT, "Not Found"},
-+#if 0
-+	{ EFI_ACCESS_DENIED, -EPICK_AN_ERRNO, "Access Denied"},
-+	{ EFI_NO_RESPONSE, -EPICK_AN_ERRNO, "No Response"},
-+	{ EFI_NO_MAPPING, -EPICK_AN_ERRNO, "No mapping"},
-+	{ EFI_TIMEOUT, -EPICK_AN_ERRNO, "Time out"},
-+	{ EFI_NOT_STARTED, -EPICK_AN_ERRNO, "Not started"},
-+	{ EFI_ALREADY_STARTED, -EPICK_AN_ERRNO, "Already started"},
-+#endif
-+	{ EFI_ABORTED, -EINTR, "Aborted"},
-+#if 0
-+	{ EFI_ICMP_ERROR, -EPICK_AN_ERRNO, "ICMP Error"},
-+	{ EFI_TFTP_ERROR, -EPICK_AN_ERRNO, "TFTP Error"},
-+	{ EFI_PROTOCOL_ERROR, -EPICK_AN_ERRNO, "Protocol Error"},
-+	{ EFI_INCOMPATIBLE_VERSION, -EPICK_AN_ERRNO, "Incompatible Version"},
-+#endif
-+	{ EFI_SECURITY_VIOLATION, -EACCES, "Security Policy Violation"},
-+#if 0
-+	{ EFI_CRC_ERROR, -EPICK_AN_ERRNO, "CRC Error"},
-+	{ EFI_END_OF_MEDIA, -EPICK_AN_ERRNO, "End of Media"},
-+	{ EFI_END_OF_FILE, -EPICK_AN_ERRNO, "End of File"},
-+	{ EFI_INVALID_LANGUAGE, -EPICK_AN_ERRNO, "Invalid Languages"},
-+	{ EFI_COMPROMISED_DATA, -EPICK_AN_ERRNO, "Compromised Data"},
-+
-+	// warnings
-+	{ EFI_WARN_UNKOWN_GLYPH, -EPICK_AN_ERRNO, "Warning Unknown Glyph"},
-+	{ EFI_WARN_DELETE_FAILURE, -EPICK_AN_ERRNO, "Warning Delete Failure"},
-+	{ EFI_WARN_WRITE_FAILURE, -EPICK_AN_ERRNO, "Warning Write Failure"},
-+	{ EFI_WARN_BUFFER_TOO_SMALL, -EPICK_AN_ERRNO, "Warning Buffer Too Small"},
-+#endif
-+};
-+
-+static int
-+efi_status_cmp_bsearch(const void *key, const void *item)
-+{
-+	u64 status = (u64)(uintptr_t)key;
-+	struct efi_error_code *code = (struct efi_error_code *)item;
-+
-+	if (status < code->status)
-+		return -1;
-+	if (status > code->status)
-+		return 1;
-+	return 0;
-+}
-+
- int efi_status_to_err(efi_status_t status)
- {
--	int err;
--
--	switch (status) {
--	case EFI_SUCCESS:
--		err = 0;
--		break;
--	case EFI_INVALID_PARAMETER:
--		err = -EINVAL;
--		break;
--	case EFI_OUT_OF_RESOURCES:
--		err = -ENOSPC;
--		break;
--	case EFI_DEVICE_ERROR:
--		err = -EIO;
--		break;
--	case EFI_WRITE_PROTECTED:
--		err = -EROFS;
--		break;
--	case EFI_SECURITY_VIOLATION:
--		err = -EACCES;
--		break;
--	case EFI_NOT_FOUND:
--		err = -ENOENT;
--		break;
--	case EFI_ABORTED:
--		err = -EINTR;
--		break;
--	default:
--		err = -EINVAL;
--	}
-+	struct efi_error_code *found;
-+	size_t num = sizeof(efi_error_codes) / sizeof(struct efi_error_code);
-
--	return err;
-+	found = bsearch((void *)(uintptr_t)status, efi_error_codes,
-+			sizeof(struct efi_error_code), num,
-+			efi_status_cmp_bsearch);
-+	if (!found)
-+		return -EINVAL;
-+	return found->errno;
-+}
-+
-+const char *
-+efi_status_to_str(efi_status_t status)
-+{
-+	struct efi_error_code *found;
-+	size_t num = sizeof(efi_error_codes) / sizeof(struct efi_error_code);
-+
-+	found = bsearch((void *)(uintptr_t)status, efi_error_codes,
-+			sizeof(struct efi_error_code), num,
-+			efi_status_cmp_bsearch);
-+	if (!found)
-+		return "Unknown error code";
-+	return found->description;
- }
-
- static DEFINE_SPINLOCK(efi_mem_reserve_persistent_lock);
-diff --git a/drivers/firmware/efi/secureboot.c b/drivers/firmware/efi/secureboot.c
-new file mode 100644
-index 000000000000..de0a3714a5d4
---- /dev/null
-+++ b/drivers/firmware/efi/secureboot.c
-@@ -0,0 +1,38 @@
-+/* Core kernel secure boot support.
-+ *
-+ * Copyright (C) 2017 Red Hat, Inc. All Rights Reserved.
-+ * Written by David Howells (dhowells@redhat.com)
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public Licence
-+ * as published by the Free Software Foundation; either version
-+ * 2 of the Licence, or (at your option) any later version.
-+ */
-+
-+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-+
-+#include <linux/efi.h>
-+#include <linux/kernel.h>
-+#include <linux/printk.h>
-+
-+/*
-+ * Decide what to do when UEFI secure boot mode is enabled.
-+ */
-+void __init efi_set_secure_boot(enum efi_secureboot_mode mode)
-+{
-+	if (efi_enabled(EFI_BOOT)) {
-+		switch (mode) {
-+		case efi_secureboot_mode_disabled:
-+			pr_info("Secure boot disabled\n");
-+			break;
-+		case efi_secureboot_mode_enabled:
-+			set_bit(EFI_SECURE_BOOT, &efi.flags);
-+			pr_info("Secure boot enabled\n");
-+			break;
-+		default:
-+			pr_warn("Secure boot could not be determined (mode %u)\n",
-+				   mode);
-+			break;
-+		}
-+	}
-+}
-diff --git a/drivers/hid/hid-rmi.c b/drivers/hid/hid-rmi.c
-index 311eee599ce9..2460c6bd46f8 100644
---- a/drivers/hid/hid-rmi.c
-+++ b/drivers/hid/hid-rmi.c
-@@ -322,19 +322,12 @@ static int rmi_input_event(struct hid_device *hdev, u8 *data, int size)
- {
- 	struct rmi_data *hdata = hid_get_drvdata(hdev);
- 	struct rmi_device *rmi_dev = hdata->xport.rmi_dev;
--	unsigned long flags;
-
- 	if (!(test_bit(RMI_STARTED, &hdata->flags)))
- 		return 0;
-
--	local_irq_save(flags);
--
- 	rmi_set_attn_data(rmi_dev, data[1], &data[2], size - 2);
-
--	generic_handle_irq(hdata->rmi_irq);
--
--	local_irq_restore(flags);
--
- 	return 1;
- }
-
-@@ -591,56 +584,6 @@ static const struct rmi_transport_ops hid_rmi_ops = {
- 	.reset		= rmi_hid_reset,
- };
-
--static void rmi_irq_teardown(void *data)
--{
--	struct rmi_data *hdata = data;
--	struct irq_domain *domain = hdata->domain;
--
--	if (!domain)
--		return;
--
--	irq_dispose_mapping(irq_find_mapping(domain, 0));
--
--	irq_domain_remove(domain);
--	hdata->domain = NULL;
--	hdata->rmi_irq = 0;
--}
--
--static int rmi_irq_map(struct irq_domain *h, unsigned int virq,
--		       irq_hw_number_t hw_irq_num)
--{
--	irq_set_chip_and_handler(virq, &dummy_irq_chip, handle_simple_irq);
--
--	return 0;
--}
--
--static const struct irq_domain_ops rmi_irq_ops = {
--	.map = rmi_irq_map,
--};
--
--static int rmi_setup_irq_domain(struct hid_device *hdev)
--{
--	struct rmi_data *hdata = hid_get_drvdata(hdev);
--	int ret;
--
--	hdata->domain = irq_domain_create_linear(hdev->dev.fwnode, 1,
--						 &rmi_irq_ops, hdata);
--	if (!hdata->domain)
--		return -ENOMEM;
--
--	ret = devm_add_action_or_reset(&hdev->dev, &rmi_irq_teardown, hdata);
--	if (ret)
--		return ret;
--
--	hdata->rmi_irq = irq_create_mapping(hdata->domain, 0);
--	if (hdata->rmi_irq <= 0) {
--		hid_err(hdev, "Can't allocate an IRQ\n");
--		return hdata->rmi_irq < 0 ? hdata->rmi_irq : -ENXIO;
--	}
--
--	return 0;
--}
--
- static int rmi_probe(struct hid_device *hdev, const struct hid_device_id *id)
- {
- 	struct rmi_data *data = NULL;
-@@ -713,18 +656,11 @@ static int rmi_probe(struct hid_device *hdev, const struct hid_device_id *id)
-
- 	mutex_init(&data->page_mutex);
-
--	ret = rmi_setup_irq_domain(hdev);
--	if (ret) {
--		hid_err(hdev, "failed to allocate IRQ domain\n");
--		return ret;
--	}
--
- 	if (data->device_flags & RMI_DEVICE_HAS_PHYS_BUTTONS)
- 		rmi_hid_pdata.gpio_data.disable = true;
-
- 	data->xport.dev = hdev->dev.parent;
- 	data->xport.pdata = rmi_hid_pdata;
--	data->xport.pdata.irq = data->rmi_irq;
- 	data->xport.proto_name = "hid";
- 	data->xport.ops = &hid_rmi_ops;
-
-diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c
-index e24252eaf8e4..368d64adeee8 100644
---- a/drivers/hwtracing/coresight/coresight-etm4x-core.c
-+++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c
-@@ -9,6 +9,7 @@
- #include <linux/init.h>
- #include <linux/types.h>
- #include <linux/device.h>
-+#include <linux/dmi.h>
- #include <linux/io.h>
- #include <linux/err.h>
- #include <linux/fs.h>
-@@ -2105,6 +2106,16 @@ static const struct amba_id etm4_ids[] = {
- 	{},
- };
-
-+static const struct dmi_system_id broken_coresight[] = {
-+	{
-+		.matches = {
-+			DMI_MATCH(DMI_SYS_VENDOR, "HPE"),
-+			DMI_MATCH(DMI_PRODUCT_NAME, "Apollo 70"),
-+		},
-+	},
-+	{ }	/* terminating entry */
-+};
-+
- MODULE_DEVICE_TABLE(amba, etm4_ids);
-
- static struct amba_driver etm4x_amba_driver = {
-@@ -2138,6 +2149,11 @@ static int __init etm4x_init(void)
- {
- 	int ret;
-
-+	if (dmi_check_system(broken_coresight)) {
-+		pr_info("ETM4 disabled due to firmware bug\n");
-+		return 0;
-+	}
-+
- 	ret = etm4_pm_setup();
-
- 	/* etm4_pm_setup() does its own cleanup - exit on error */
-@@ -2164,6 +2180,9 @@ static int __init etm4x_init(void)
-
- static void __exit etm4x_exit(void)
- {
-+	if (dmi_check_system(broken_coresight))
-+		return;
-+
- 	amba_driver_unregister(&etm4x_amba_driver);
- 	platform_driver_unregister(&etm4_platform_driver);
- 	etm4_pm_clear();
-diff --git a/drivers/input/rmi4/rmi_driver.c b/drivers/input/rmi4/rmi_driver.c
-index 258d5fe3d395..f7298e3dc8f3 100644
---- a/drivers/input/rmi4/rmi_driver.c
-+++ b/drivers/input/rmi4/rmi_driver.c
-@@ -182,34 +182,47 @@ void rmi_set_attn_data(struct rmi_device *rmi_dev, unsigned long irq_status,
- 	attn_data.data = fifo_data;
-
- 	kfifo_put(&drvdata->attn_fifo, attn_data);
-+
-+	schedule_work(&drvdata->attn_work);
- }
- EXPORT_SYMBOL_GPL(rmi_set_attn_data);
-
--static irqreturn_t rmi_irq_fn(int irq, void *dev_id)
-+static void attn_callback(struct work_struct *work)
- {
--	struct rmi_device *rmi_dev = dev_id;
--	struct rmi_driver_data *drvdata = dev_get_drvdata(&rmi_dev->dev);
-+	struct rmi_driver_data *drvdata = container_of(work,
-+							struct rmi_driver_data,
-+							attn_work);
- 	struct rmi4_attn_data attn_data = {0};
- 	int ret, count;
-
- 	count = kfifo_get(&drvdata->attn_fifo, &attn_data);
--	if (count) {
--		*(drvdata->irq_status) = attn_data.irq_status;
--		drvdata->attn_data = attn_data;
--	}
-+	if (!count)
-+		return;
-
--	ret = rmi_process_interrupt_requests(rmi_dev);
-+	*(drvdata->irq_status) = attn_data.irq_status;
-+	drvdata->attn_data = attn_data;
-+
-+	ret = rmi_process_interrupt_requests(drvdata->rmi_dev);
- 	if (ret)
--		rmi_dbg(RMI_DEBUG_CORE, &rmi_dev->dev,
-+		rmi_dbg(RMI_DEBUG_CORE, &drvdata->rmi_dev->dev,
- 			"Failed to process interrupt request: %d\n", ret);
-
--	if (count) {
--		kfree(attn_data.data);
--		drvdata->attn_data.data = NULL;
--	}
-+	kfree(attn_data.data);
-+	drvdata->attn_data.data = NULL;
-
- 	if (!kfifo_is_empty(&drvdata->attn_fifo))
--		return rmi_irq_fn(irq, dev_id);
-+		schedule_work(&drvdata->attn_work);
-+}
-+
-+static irqreturn_t rmi_irq_fn(int irq, void *dev_id)
-+{
-+	struct rmi_device *rmi_dev = dev_id;
-+	int ret;
-+
-+	ret = rmi_process_interrupt_requests(rmi_dev);
-+	if (ret)
-+		rmi_dbg(RMI_DEBUG_CORE, &rmi_dev->dev,
-+			"Failed to process interrupt request: %d\n", ret);
-
- 	return IRQ_HANDLED;
- }
-@@ -217,7 +230,6 @@ static irqreturn_t rmi_irq_fn(int irq, void *dev_id)
- static int rmi_irq_init(struct rmi_device *rmi_dev)
- {
- 	struct rmi_device_platform_data *pdata = rmi_get_platform_data(rmi_dev);
--	struct rmi_driver_data *data = dev_get_drvdata(&rmi_dev->dev);
- 	int irq_flags = irq_get_trigger_type(pdata->irq);
- 	int ret;
-
-@@ -235,8 +247,6 @@ static int rmi_irq_init(struct rmi_device *rmi_dev)
- 		return ret;
- 	}
-
--	data->enabled = true;
--
- 	return 0;
- }
-
-@@ -886,23 +896,27 @@ void rmi_enable_irq(struct rmi_device *rmi_dev, bool clear_wake)
- 	if (data->enabled)
- 		goto out;
-
--	enable_irq(irq);
--	data->enabled = true;
--	if (clear_wake && device_may_wakeup(rmi_dev->xport->dev)) {
--		retval = disable_irq_wake(irq);
--		if (retval)
--			dev_warn(&rmi_dev->dev,
--				 "Failed to disable irq for wake: %d\n",
--				 retval);
--	}
-+	if (irq) {
-+		enable_irq(irq);
-+		data->enabled = true;
-+		if (clear_wake && device_may_wakeup(rmi_dev->xport->dev)) {
-+			retval = disable_irq_wake(irq);
-+			if (retval)
-+				dev_warn(&rmi_dev->dev,
-+					 "Failed to disable irq for wake: %d\n",
-+					 retval);
-+		}
-
--	/*
--	 * Call rmi_process_interrupt_requests() after enabling irq,
--	 * otherwise we may lose interrupt on edge-triggered systems.
--	 */
--	irq_flags = irq_get_trigger_type(pdata->irq);
--	if (irq_flags & IRQ_TYPE_EDGE_BOTH)
--		rmi_process_interrupt_requests(rmi_dev);
-+		/*
-+		 * Call rmi_process_interrupt_requests() after enabling irq,
-+		 * otherwise we may lose interrupt on edge-triggered systems.
-+		 */
-+		irq_flags = irq_get_trigger_type(pdata->irq);
-+		if (irq_flags & IRQ_TYPE_EDGE_BOTH)
-+			rmi_process_interrupt_requests(rmi_dev);
-+	} else {
-+		data->enabled = true;
-+	}
-
- out:
- 	mutex_unlock(&data->enabled_mutex);
-@@ -922,20 +936,22 @@ void rmi_disable_irq(struct rmi_device *rmi_dev, bool enable_wake)
- 		goto out;
-
- 	data->enabled = false;
--	disable_irq(irq);
--	if (enable_wake && device_may_wakeup(rmi_dev->xport->dev)) {
--		retval = enable_irq_wake(irq);
--		if (retval)
--			dev_warn(&rmi_dev->dev,
--				 "Failed to enable irq for wake: %d\n",
--				 retval);
--	}
--
--	/* make sure the fifo is clean */
--	while (!kfifo_is_empty(&data->attn_fifo)) {
--		count = kfifo_get(&data->attn_fifo, &attn_data);
--		if (count)
--			kfree(attn_data.data);
-+	if (irq) {
-+		disable_irq(irq);
-+		if (enable_wake && device_may_wakeup(rmi_dev->xport->dev)) {
-+			retval = enable_irq_wake(irq);
-+			if (retval)
-+				dev_warn(&rmi_dev->dev,
-+					 "Failed to enable irq for wake: %d\n",
-+					 retval);
-+		}
-+	} else {
-+		/* make sure the fifo is clean */
-+		while (!kfifo_is_empty(&data->attn_fifo)) {
-+			count = kfifo_get(&data->attn_fifo, &attn_data);
-+			if (count)
-+				kfree(attn_data.data);
-+		}
- 	}
-
- out:
-@@ -981,6 +997,8 @@ static int rmi_driver_remove(struct device *dev)
- 	irq_domain_remove(data->irqdomain);
- 	data->irqdomain = NULL;
-
-+	cancel_work_sync(&data->attn_work);
-+
- 	rmi_f34_remove_sysfs(rmi_dev);
- 	rmi_free_function_list(rmi_dev);
-
-@@ -1219,9 +1237,15 @@ static int rmi_driver_probe(struct device *dev)
- 		}
- 	}
-
--	retval = rmi_irq_init(rmi_dev);
--	if (retval < 0)
--		goto err_destroy_functions;
-+	if (pdata->irq) {
-+		retval = rmi_irq_init(rmi_dev);
-+		if (retval < 0)
-+			goto err_destroy_functions;
-+	}
-+
-+	data->enabled = true;
-+
-+	INIT_WORK(&data->attn_work, attn_callback);
-
- 	if (data->f01_container->dev.driver) {
- 		/* Driver already bound, so enable ATTN now. */
-diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
-index 3303d707bab4..372edaaafaa1 100644
---- a/drivers/iommu/iommu.c
-+++ b/drivers/iommu/iommu.c
-@@ -7,6 +7,7 @@
- #define pr_fmt(fmt)    "iommu: " fmt
-
- #include <linux/device.h>
-+#include <linux/dmi.h>
- #include <linux/dma-iommu.h>
- #include <linux/kernel.h>
- #include <linux/bits.h>
-@@ -3118,6 +3119,27 @@ u32 iommu_sva_get_pasid(struct iommu_sva *handle)
- }
- EXPORT_SYMBOL_GPL(iommu_sva_get_pasid);
-
-+#ifdef CONFIG_ARM64
-+static int __init iommu_quirks(void)
-+{
-+	const char *vendor, *name;
-+
-+	vendor = dmi_get_system_info(DMI_SYS_VENDOR);
-+	name = dmi_get_system_info(DMI_PRODUCT_NAME);
-+
-+	if (vendor &&
-+	    (strncmp(vendor, "GIGABYTE", 8) == 0 && name &&
-+	     (strncmp(name, "R120", 4) == 0 ||
-+	      strncmp(name, "R270", 4) == 0))) {
-+		pr_warn("Gigabyte %s detected, force iommu passthrough mode", name);
-+		iommu_def_domain_type = IOMMU_DOMAIN_IDENTITY;
-+	}
-+
-+	return 0;
-+}
-+arch_initcall(iommu_quirks);
-+#endif
-+
- /*
-  * Changes the default domain of an iommu group that has *only* one device
-  *
-diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
-index f8dd664b2eda..0ff9ea8340e4 100644
---- a/drivers/nvme/host/core.c
-+++ b/drivers/nvme/host/core.c
-@@ -262,6 +262,9 @@ static void nvme_delete_ctrl_sync(struct nvme_ctrl *ctrl)
-
- static blk_status_t nvme_error_status(u16 status)
- {
-+	if (unlikely(status & NVME_SC_DNR))
-+		return BLK_STS_TARGET;
-+
- 	switch (status & 0x7ff) {
- 	case NVME_SC_SUCCESS:
- 		return BLK_STS_OK;
-@@ -321,6 +324,7 @@ enum nvme_disposition {
- 	COMPLETE,
- 	RETRY,
- 	FAILOVER,
-+	FAILUP,
- };
-
- static inline enum nvme_disposition nvme_decide_disposition(struct request *req)
-@@ -328,15 +332,16 @@ static inline enum nvme_disposition nvme_decide_disposition(struct request *req)
- 	if (likely(nvme_req(req)->status == 0))
- 		return COMPLETE;
-
--	if (blk_noretry_request(req) ||
-+	if ((req->cmd_flags & (REQ_FAILFAST_DEV | REQ_FAILFAST_DRIVER)) ||
- 	    (nvme_req(req)->status & NVME_SC_DNR) ||
- 	    nvme_req(req)->retries >= nvme_max_retries)
- 		return COMPLETE;
-
--	if (req->cmd_flags & REQ_NVME_MPATH) {
-+	if (req->cmd_flags & (REQ_NVME_MPATH | REQ_FAILFAST_TRANSPORT)) {
- 		if (nvme_is_path_error(nvme_req(req)->status) ||
- 		    blk_queue_dying(req->q))
--			return FAILOVER;
-+			return (req->cmd_flags & REQ_NVME_MPATH) ?
-+				FAILOVER : FAILUP;
- 	} else {
- 		if (blk_queue_dying(req->q))
- 			return COMPLETE;
-@@ -358,6 +363,14 @@ static inline void nvme_end_req(struct request *req)
- 	blk_mq_end_request(req, status);
- }
-
-+static inline void nvme_failup_req(struct request *req)
-+{
-+	nvme_update_ana(req);
-+
-+	nvme_req(req)->status = NVME_SC_HOST_PATH_ERROR;
-+	nvme_end_req(req);
-+}
-+
- void nvme_complete_rq(struct request *req)
- {
- 	trace_nvme_complete_rq(req);
-@@ -376,6 +389,9 @@ void nvme_complete_rq(struct request *req)
- 	case FAILOVER:
- 		nvme_failover_req(req);
- 		return;
-+	case FAILUP:
-+		nvme_failup_req(req);
-+		return;
- 	}
- }
- EXPORT_SYMBOL_GPL(nvme_complete_rq);
-diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c
-index 2f76969408b2..021a4176b321 100644
---- a/drivers/nvme/host/multipath.c
-+++ b/drivers/nvme/host/multipath.c
-@@ -65,14 +65,10 @@ bool nvme_mpath_set_disk_name(struct nvme_ns *ns, char *disk_name, int *flags)
- 	return true;
- }
-
--void nvme_failover_req(struct request *req)
-+void nvme_update_ana(struct request *req)
- {
- 	struct nvme_ns *ns = req->q->queuedata;
- 	u16 status = nvme_req(req)->status & 0x7ff;
--	unsigned long flags;
--	struct bio *bio;
--
--	nvme_mpath_clear_current_path(ns);
-
- 	/*
- 	 * If we got back an ANA error, we know the controller is alive but not
-@@ -83,6 +79,16 @@ void nvme_failover_req(struct request *req)
- 		set_bit(NVME_NS_ANA_PENDING, &ns->flags);
- 		queue_work(nvme_wq, &ns->ctrl->ana_work);
- 	}
-+}
-+
-+void nvme_failover_req(struct request *req)
-+{
-+	struct nvme_ns *ns = req->q->queuedata;
-+	unsigned long flags;
-+	struct bio *bio;
-+
-+	nvme_mpath_clear_current_path(ns);
-+	nvme_update_ana(req);
-
- 	spin_lock_irqsave(&ns->head->requeue_lock, flags);
- 	for (bio = req->bio; bio; bio = bio->bi_next)
-@@ -813,8 +819,7 @@ int nvme_mpath_init_identify(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id)
- 	int error = 0;
-
- 	/* check if multipath is enabled and we have the capability */
--	if (!multipath || !ctrl->subsys ||
--	    !(ctrl->subsys->cmic & NVME_CTRL_CMIC_ANA))
-+	if (!ctrl->subsys || !(ctrl->subsys->cmic & NVME_CTRL_CMIC_ANA))
- 		return 0;
-
- 	if (!ctrl->max_namespaces ||
-diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
-index ed79a6c7e804..961dc67d7261 100644
---- a/drivers/nvme/host/nvme.h
-+++ b/drivers/nvme/host/nvme.h
-@@ -746,6 +746,7 @@ void nvme_mpath_wait_freeze(struct nvme_subsystem *subsys);
- void nvme_mpath_start_freeze(struct nvme_subsystem *subsys);
- bool nvme_mpath_set_disk_name(struct nvme_ns *ns, char *disk_name, int *flags);
- void nvme_failover_req(struct request *req);
-+void nvme_update_ana(struct request *req);
- void nvme_kick_requeue_lists(struct nvme_ctrl *ctrl);
- int nvme_mpath_alloc_disk(struct nvme_ctrl *ctrl,struct nvme_ns_head *head);
- void nvme_mpath_add_disk(struct nvme_ns *ns, struct nvme_id_ns *id);
-@@ -784,6 +785,9 @@ static inline bool nvme_mpath_set_disk_name(struct nvme_ns *ns, char *disk_name,
- static inline void nvme_failover_req(struct request *req)
- {
- }
-+static inline void nvme_update_ana(struct request *req)
-+{
-+}
- static inline void nvme_kick_requeue_lists(struct nvme_ctrl *ctrl)
- {
- }
-diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
-index 6c957124f84d..28e3040eae66 100644
---- a/drivers/pci/quirks.c
-+++ b/drivers/pci/quirks.c
-@@ -4269,6 +4269,30 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, 0x9000,
- DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, 0x9084,
- 				quirk_bridge_cavm_thrx2_pcie_root);
-
-+/*
-+ * PCI BAR 5 is not setup correctly for the on-board AHCI controller
-+ * on Broadcom's Vulcan processor. Added a quirk to fix BAR 5 by
-+ * using BAR 4's resources which are populated correctly and NOT
-+ * actually used by the AHCI controller.
-+ */
-+static void quirk_fix_vulcan_ahci_bars(struct pci_dev *dev)
-+{
-+	struct resource *r =  &dev->resource[4];
-+
-+	if (!(r->flags & IORESOURCE_MEM) || (r->start == 0))
-+		return;
-+
-+	/* Set BAR5 resource to BAR4 */
-+	dev->resource[5] = *r;
-+
-+	/* Update BAR5 in pci config space */
-+	pci_write_config_dword(dev, PCI_BASE_ADDRESS_5, r->start);
-+
-+	/* Clear BAR4's resource */
-+	memset(r, 0, sizeof(*r));
-+}
-+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, 0x9027, quirk_fix_vulcan_ahci_bars);
-+
- /*
-  * Intersil/Techwell TW686[4589]-based video capture cards have an empty (zero)
-  * class code.  Fix it.
-diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
-index 86658a81d284..5647f4756e97 100644
---- a/drivers/usb/core/hub.c
-+++ b/drivers/usb/core/hub.c
-@@ -5657,6 +5657,13 @@ static void hub_event(struct work_struct *work)
- 			(u16) hub->change_bits[0],
- 			(u16) hub->event_bits[0]);
-
-+	/* Don't disconnect USB-SATA on TrimSlice */
-+	if (strcmp(dev_name(hdev->bus->controller), "tegra-ehci.0") == 0) {
-+		if ((hdev->state == 7) && (hub->change_bits[0] == 0) &&
-+				(hub->event_bits[0] == 0x2))
-+			hub->event_bits[0] = 0;
-+	}
-+
- 	/* Lock the device, then check to see if we were
- 	 * disconnected while waiting for the lock to succeed. */
- 	usb_lock_device(hdev);
-diff --git a/drivers/usb/host/xhci-tegra.c b/drivers/usb/host/xhci-tegra.c
-index 1bf494b649bd..c8af2cd2216d 100644
---- a/drivers/usb/host/xhci-tegra.c
-+++ b/drivers/usb/host/xhci-tegra.c
-@@ -1400,6 +1400,7 @@ static void tegra_xusb_deinit_usb_phy(struct tegra_xusb *tegra)
-
- static int tegra_xusb_probe(struct platform_device *pdev)
- {
-+	struct of_phandle_args args;
- 	struct tegra_xusb *tegra;
- 	struct device_node *np;
- 	struct resource *regs;
-@@ -1454,10 +1455,17 @@ static int tegra_xusb_probe(struct platform_device *pdev)
- 		goto put_padctl;
- 	}
-
--	tegra->padctl_irq = of_irq_get(np, 0);
--	if (tegra->padctl_irq <= 0) {
--		err = (tegra->padctl_irq == 0) ? -ENODEV : tegra->padctl_irq;
--		goto put_padctl;
-+	/* Older device-trees don't have padctrl interrupt */
-+	err = of_irq_parse_one(np, 0, &args);
-+	if (!err) {
-+		tegra->padctl_irq = of_irq_get(np, 0);
-+		if (tegra->padctl_irq <= 0) {
-+			err = (tegra->padctl_irq == 0) ? -ENODEV : tegra->padctl_irq;
-+			goto put_padctl;
-+		}
-+	} else {
-+		dev_dbg(&pdev->dev,
-+			"%pOF is missing an interrupt, disabling PM support\n", np);
- 	}
-
- 	tegra->host_clk = devm_clk_get(&pdev->dev, "xusb_host");
-@@ -1696,11 +1704,15 @@ static int tegra_xusb_probe(struct platform_device *pdev)
- 		goto remove_usb3;
- 	}
-
--	err = devm_request_threaded_irq(&pdev->dev, tegra->padctl_irq, NULL, tegra_xusb_padctl_irq,
--					IRQF_ONESHOT, dev_name(&pdev->dev), tegra);
--	if (err < 0) {
--		dev_err(&pdev->dev, "failed to request padctl IRQ: %d\n", err);
--		goto remove_usb3;
-+	if (tegra->padctl_irq) {
-+		err = devm_request_threaded_irq(&pdev->dev, tegra->padctl_irq,
-+						NULL, tegra_xusb_padctl_irq,
-+						IRQF_ONESHOT, dev_name(&pdev->dev),
-+						tegra);
-+		if (err < 0) {
-+			dev_err(&pdev->dev, "failed to request padctl IRQ: %d\n", err);
-+			goto remove_usb3;
-+		}
- 	}
-
- 	err = tegra_xusb_enable_firmware_messages(tegra);
-@@ -1718,13 +1730,16 @@ static int tegra_xusb_probe(struct platform_device *pdev)
- 	/* Enable wake for both USB 2.0 and USB 3.0 roothubs */
- 	device_init_wakeup(&tegra->hcd->self.root_hub->dev, true);
- 	device_init_wakeup(&xhci->shared_hcd->self.root_hub->dev, true);
--	device_init_wakeup(tegra->dev, true);
-
- 	pm_runtime_use_autosuspend(tegra->dev);
- 	pm_runtime_set_autosuspend_delay(tegra->dev, 2000);
- 	pm_runtime_mark_last_busy(tegra->dev);
- 	pm_runtime_set_active(tegra->dev);
--	pm_runtime_enable(tegra->dev);
-+
-+	if (tegra->padctl_irq) {
-+		device_init_wakeup(tegra->dev, true);
-+		pm_runtime_enable(tegra->dev);
-+	}
-
- 	return 0;
-
-@@ -1772,7 +1787,9 @@ static int tegra_xusb_remove(struct platform_device *pdev)
- 	dma_free_coherent(&pdev->dev, tegra->fw.size, tegra->fw.virt,
- 			  tegra->fw.phys);
-
--	pm_runtime_disable(&pdev->dev);
-+	if (tegra->padctl_irq)
-+		pm_runtime_disable(&pdev->dev);
-+
- 	pm_runtime_put(&pdev->dev);
-
- 	tegra_xusb_powergate_partitions(tegra);
-diff --git a/fs/btrfs/async-thread.c b/fs/btrfs/async-thread.c
-index 309516e6a968..d39af03b456c 100644
---- a/fs/btrfs/async-thread.c
-+++ b/fs/btrfs/async-thread.c
-@@ -234,6 +234,13 @@ static void run_ordered_work(struct __btrfs_workqueue *wq,
- 				  ordered_list);
- 		if (!test_bit(WORK_DONE_BIT, &work->flags))
- 			break;
-+		/*
-+		 * Orders all subsequent loads after reading WORK_DONE_BIT,
-+		 * paired with the smp_mb__before_atomic in btrfs_work_helper
-+		 * this guarantees that the ordered function will see all
-+		 * updates from ordinary work function.
-+		 */
-+		smp_rmb();
-
- 		/*
- 		 * we are going to call the ordered done function, but
-@@ -317,6 +324,13 @@ static void btrfs_work_helper(struct work_struct *normal_work)
- 	thresh_exec_hook(wq);
- 	work->func(work);
- 	if (need_order) {
-+		/*
-+		 * Ensures all memory accesses done in the work function are
-+		 * ordered before setting the WORK_DONE_BIT.Ensuring the thread
-+		 * which is going to executed the ordered work sees them.
-+		 * Pairs with the smp_rmb in run_ordered_work.
-+		 */
-+		smp_mb__before_atomic();
- 		set_bit(WORK_DONE_BIT, &work->flags);
- 		run_ordered_work(wq, work);
- 	} else {
-diff --git a/include/linux/efi.h b/include/linux/efi.h
-index 6b5d36babfcc..fd4a5d66a9d0 100644
---- a/include/linux/efi.h
-+++ b/include/linux/efi.h
-@@ -43,6 +43,8 @@
- #define EFI_ABORTED		(21 | (1UL << (BITS_PER_LONG-1)))
- #define EFI_SECURITY_VIOLATION	(26 | (1UL << (BITS_PER_LONG-1)))
-
-+#define EFI_IS_ERROR(x)		((x) & (1UL << (BITS_PER_LONG-1)))
-+
- typedef unsigned long efi_status_t;
- typedef u8 efi_bool_t;
- typedef u16 efi_char16_t;		/* UNICODE character */
-@@ -782,6 +784,14 @@ extern int __init efi_setup_pcdp_console(char *);
- #define EFI_MEM_ATTR		10	/* Did firmware publish an EFI_MEMORY_ATTRIBUTES table? */
- #define EFI_MEM_NO_SOFT_RESERVE	11	/* Is the kernel configured to ignore soft reservations? */
- #define EFI_PRESERVE_BS_REGIONS	12	/* Are EFI boot-services memory segments available? */
-+#define EFI_SECURE_BOOT		13	/* Are we in Secure Boot mode? */
-+
-+enum efi_secureboot_mode {
-+	efi_secureboot_mode_unset,
-+	efi_secureboot_mode_unknown,
-+	efi_secureboot_mode_disabled,
-+	efi_secureboot_mode_enabled,
-+};
-
- #ifdef CONFIG_EFI
- /*
-@@ -793,6 +803,8 @@ static inline bool efi_enabled(int feature)
- }
- extern void efi_reboot(enum reboot_mode reboot_mode, const char *__unused);
-
-+extern void __init efi_set_secure_boot(enum efi_secureboot_mode mode);
-+
- bool __pure __efi_soft_reserve_enabled(void);
-
- static inline bool __pure efi_soft_reserve_enabled(void)
-@@ -813,6 +825,8 @@ static inline bool efi_enabled(int feature)
- static inline void
- efi_reboot(enum reboot_mode reboot_mode, const char *__unused) {}
-
-+static inline void efi_set_secure_boot(enum efi_secureboot_mode mode) {}
-+
- static inline bool efi_soft_reserve_enabled(void)
- {
- 	return false;
-@@ -825,6 +839,7 @@ static inline bool efi_rt_services_supported(unsigned int mask)
- #endif
-
- extern int efi_status_to_err(efi_status_t status);
-+extern const char *efi_status_to_str(efi_status_t status);
-
- /*
-  * Variable Attributes
-@@ -1077,13 +1092,6 @@ static inline bool efi_runtime_disabled(void) { return true; }
- extern void efi_call_virt_check_flags(unsigned long flags, const char *call);
- extern unsigned long efi_call_virt_save_flags(void);
-
--enum efi_secureboot_mode {
--	efi_secureboot_mode_unset,
--	efi_secureboot_mode_unknown,
--	efi_secureboot_mode_disabled,
--	efi_secureboot_mode_enabled,
--};
--
- static inline
- enum efi_secureboot_mode efi_get_secureboot_mode(efi_get_variable_t *get_var)
- {
-diff --git a/include/linux/lsm_hook_defs.h b/include/linux/lsm_hook_defs.h
-index 61590c1f2d33..4c10750865c2 100644
---- a/include/linux/lsm_hook_defs.h
-+++ b/include/linux/lsm_hook_defs.h
-@@ -394,6 +394,8 @@ LSM_HOOK(void, LSM_RET_VOID, bpf_prog_free_security, struct bpf_prog_aux *aux)
- #endif /* CONFIG_BPF_SYSCALL */
-
- LSM_HOOK(int, 0, locked_down, enum lockdown_reason what)
-+LSM_HOOK(int, 0, lock_kernel_down, const char *where, enum lockdown_reason level)
-+
-
- #ifdef CONFIG_PERF_EVENTS
- LSM_HOOK(int, 0, perf_event_open, struct perf_event_attr *attr, int type)
-diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h
-index 59024618554e..ab9ca4d393da 100644
---- a/include/linux/lsm_hooks.h
-+++ b/include/linux/lsm_hooks.h
-@@ -1545,6 +1545,12 @@
-  *
-  *     @what: kernel feature being accessed
-  *
-+ * @lock_kernel_down
-+ * 	Put the kernel into lock-down mode.
-+ *
-+ * 	@where: Where the lock-down is originating from (e.g. command line option)
-+ * 	@level: The lock-down level (can only increase)
-+ *
-  * Security hooks for perf events
-  *
-  * @perf_event_open:
-diff --git a/include/linux/random.h b/include/linux/random.h
-index f45b8be3e3c4..7ccdec68b789 100644
---- a/include/linux/random.h
-+++ b/include/linux/random.h
-@@ -14,6 +14,11 @@
-
- #include <uapi/linux/random.h>
-
-+struct random_extrng {
-+	ssize_t (*extrng_read)(void __user *buf, size_t buflen);
-+	struct module *owner;
-+};
-+
- struct random_ready_callback {
- 	struct list_head list;
- 	void (*func)(struct random_ready_callback *rdy);
-@@ -44,6 +49,8 @@ extern bool rng_is_initialized(void);
- extern int add_random_ready_callback(struct random_ready_callback *rdy);
- extern void del_random_ready_callback(struct random_ready_callback *rdy);
- extern int __must_check get_random_bytes_arch(void *buf, int nbytes);
-+void random_register_extrng(const struct random_extrng *rng);
-+void random_unregister_extrng(void);
-
- #ifndef MODULE
- extern const struct file_operations random_fops, urandom_fops;
-diff --git a/include/linux/rmi.h b/include/linux/rmi.h
-index ab7eea01ab42..fff7c5f737fc 100644
---- a/include/linux/rmi.h
-+++ b/include/linux/rmi.h
-@@ -364,6 +364,7 @@ struct rmi_driver_data {
-
- 	struct rmi4_attn_data attn_data;
- 	DECLARE_KFIFO(attn_fifo, struct rmi4_attn_data, 16);
-+	struct work_struct attn_work;
- };
-
- int rmi_register_transport_device(struct rmi_transport_dev *xport);
-diff --git a/include/linux/security.h b/include/linux/security.h
-index 46a02ce34d00..37e991a10d70 100644
---- a/include/linux/security.h
-+++ b/include/linux/security.h
-@@ -472,6 +472,7 @@ int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen);
- int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen);
- int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen);
- int security_locked_down(enum lockdown_reason what);
-+int security_lock_kernel_down(const char *where, enum lockdown_reason level);
- #else /* CONFIG_SECURITY */
-
- static inline int call_blocking_lsm_notifier(enum lsm_event event, void *data)
-@@ -1353,6 +1354,10 @@ static inline int security_locked_down(enum lockdown_reason what)
- {
- 	return 0;
- }
-+static inline int security_lock_kernel_down(const char *where, enum lockdown_reason level)
-+{
-+	return 0;
-+}
- #endif	/* CONFIG_SECURITY */
-
- #if defined(CONFIG_SECURITY) && defined(CONFIG_WATCH_QUEUE)
-diff --git a/init/Kconfig b/init/Kconfig
-index 11f8a845f259..9b94cc1b5546 100644
---- a/init/Kconfig
-+++ b/init/Kconfig
-@@ -1648,7 +1648,7 @@ config AIO
- 	  this option saves about 7k.
-
- config IO_URING
--	bool "Enable IO uring support" if EXPERT
-+	bool "Enable IO uring support"
- 	select IO_WQ
- 	default y
- 	help
-diff --git a/kernel/module_signing.c b/kernel/module_signing.c
-index 8723ae70ea1f..fb2d773498c2 100644
---- a/kernel/module_signing.c
-+++ b/kernel/module_signing.c
-@@ -38,8 +38,15 @@ int mod_verify_sig(const void *mod, struct load_info *info)
- 	modlen -= sig_len + sizeof(ms);
- 	info->len = modlen;
-
--	return verify_pkcs7_signature(mod, modlen, mod + modlen, sig_len,
-+	ret = verify_pkcs7_signature(mod, modlen, mod + modlen, sig_len,
- 				      VERIFY_USE_SECONDARY_KEYRING,
- 				      VERIFYING_MODULE_SIGNATURE,
- 				      NULL, NULL);
-+	if (ret == -ENOKEY && IS_ENABLED(CONFIG_INTEGRITY_PLATFORM_KEYRING)) {
-+		ret = verify_pkcs7_signature(mod, modlen, mod + modlen, sig_len,
-+				VERIFY_USE_PLATFORM_KEYRING,
-+				VERIFYING_MODULE_SIGNATURE,
-+				NULL, NULL);
-+	}
-+	return ret;
- }
-diff --git a/scripts/tags.sh b/scripts/tags.sh
-index db8ba411860a..2294fb0f17a9 100755
---- a/scripts/tags.sh
-+++ b/scripts/tags.sh
-@@ -16,6 +16,8 @@ fi
- ignore="$(echo "$RCS_FIND_IGNORE" | sed 's|\\||g' )"
- # tags and cscope files should also ignore MODVERSION *.mod.c files
- ignore="$ignore ( -name *.mod.c ) -prune -o"
-+# RHEL tags and cscope should also ignore redhat/rpm
-+ignore="$ignore ( -path redhat/rpm ) -prune -o"
-
- # Use make KBUILD_ABS_SRCTREE=1 {tags|cscope}
- # to force full paths for a non-O= build
-diff --git a/security/integrity/platform_certs/load_uefi.c b/security/integrity/platform_certs/load_uefi.c
-index f290f78c3f30..d3e7ae04f5be 100644
---- a/security/integrity/platform_certs/load_uefi.c
-+++ b/security/integrity/platform_certs/load_uefi.c
-@@ -46,7 +46,8 @@ static __init void *get_cert_list(efi_char16_t *name, efi_guid_t *guid,
- 		return NULL;
-
- 	if (*status != EFI_BUFFER_TOO_SMALL) {
--		pr_err("Couldn't get size: 0x%lx\n", *status);
-+		pr_err("Couldn't get size: %s (0x%lx)\n",
-+		       efi_status_to_str(*status), *status);
- 		return NULL;
- 	}
-
-@@ -57,7 +58,8 @@ static __init void *get_cert_list(efi_char16_t *name, efi_guid_t *guid,
- 	*status = efi.get_variable(name, guid, NULL, &lsize, db);
- 	if (*status != EFI_SUCCESS) {
- 		kfree(db);
--		pr_err("Error reading db var: 0x%lx\n", *status);
-+		pr_err("Error reading db var: %s (0x%lx)\n",
-+		       efi_status_to_str(*status), *status);
- 		return NULL;
- 	}
-
-diff --git a/security/lockdown/Kconfig b/security/lockdown/Kconfig
-index e84ddf484010..d0501353a4b9 100644
---- a/security/lockdown/Kconfig
-+++ b/security/lockdown/Kconfig
-@@ -16,6 +16,19 @@ config SECURITY_LOCKDOWN_LSM_EARLY
- 	  subsystem is fully initialised. If enabled, lockdown will
- 	  unconditionally be called before any other LSMs.
-
-+config LOCK_DOWN_IN_EFI_SECURE_BOOT
-+	bool "Lock down the kernel in EFI Secure Boot mode"
-+	default n
-+	depends on EFI && SECURITY_LOCKDOWN_LSM_EARLY
-+	help
-+	  UEFI Secure Boot provides a mechanism for ensuring that the firmware
-+	  will only load signed bootloaders and kernels.  Secure boot mode may
-+	  be determined from EFI variables provided by the system firmware if
-+	  not indicated by the boot parameters.
-+
-+	  Enabling this option results in kernel lockdown being triggered if
-+	  EFI Secure Boot is set.
-+
- choice
- 	prompt "Kernel default lockdown mode"
- 	default LOCK_DOWN_KERNEL_FORCE_NONE
-diff --git a/security/lockdown/lockdown.c b/security/lockdown/lockdown.c
-index 87cbdc64d272..18555cf18da7 100644
---- a/security/lockdown/lockdown.c
-+++ b/security/lockdown/lockdown.c
-@@ -73,6 +73,7 @@ static int lockdown_is_locked_down(enum lockdown_reason what)
-
- static struct security_hook_list lockdown_hooks[] __lsm_ro_after_init = {
- 	LSM_HOOK_INIT(locked_down, lockdown_is_locked_down),
-+	LSM_HOOK_INIT(lock_kernel_down, lock_kernel_down),
- };
-
- static int __init lockdown_lsm_init(void)
-diff --git a/security/security.c b/security/security.c
-index 67264cb08fb3..85a0227bfac1 100644
---- a/security/security.c
-+++ b/security/security.c
-@@ -2599,6 +2599,12 @@ int security_locked_down(enum lockdown_reason what)
- }
- EXPORT_SYMBOL(security_locked_down);
-
-+int security_lock_kernel_down(const char *where, enum lockdown_reason level)
-+{
-+	return call_int_hook(lock_kernel_down, 0, where, level);
-+}
-+EXPORT_SYMBOL(security_lock_kernel_down);
-+
- #ifdef CONFIG_PERF_EVENTS
- int security_perf_event_open(struct perf_event_attr *attr, int type)
- {