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-rw-r--r--arch/i386/Kconfig6
-rw-r--r--arch/i386/kernel/acpi/boot.c8
-rw-r--r--arch/i386/kernel/apic.c8
-rw-r--r--arch/i386/kernel/io_apic.c5
-rw-r--r--arch/i386/kernel/mpparse.c12
-rw-r--r--arch/i386/kernel/setup.c2
-rw-r--r--arch/i386/kernel/traps.c4
-rw-r--r--arch/i386/mm/init.c2
-rw-r--r--arch/i386/oprofile/nmi_int.c7
-rw-r--r--arch/i386/power/cpu.c2
10 files changed, 44 insertions, 12 deletions
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index c6fe99e57a0..8dfa3054f10 100644
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -758,10 +758,10 @@ config HOTPLUG_CPU
bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
depends on SMP && HOTPLUG && EXPERIMENTAL && !X86_VOYAGER
---help---
- Say Y here to experiment with turning CPUs off and on. CPUs
- can be controlled through /sys/devices/system/cpu.
+ Say Y here to experiment with turning CPUs off and on, and to
+ enable suspend on SMP systems. CPUs can be controlled through
+ /sys/devices/system/cpu.
- Say N.
endmenu
diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
index 40e5aba3ad3..daee69579b1 100644
--- a/arch/i386/kernel/acpi/boot.c
+++ b/arch/i386/kernel/acpi/boot.c
@@ -1066,6 +1066,14 @@ static struct dmi_system_id __initdata acpi_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 360"),
},
},
+ {
+ .callback = disable_acpi_pci,
+ .ident = "HP xw9300",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP xw9300 Workstation"),
+ },
+ },
{}
};
diff --git a/arch/i386/kernel/apic.c b/arch/i386/kernel/apic.c
index 013b85df18c..3d4b2f3d116 100644
--- a/arch/i386/kernel/apic.c
+++ b/arch/i386/kernel/apic.c
@@ -1341,6 +1341,14 @@ int __init APIC_init_uniprocessor (void)
connect_bsp_APIC();
+ /*
+ * Hack: In case of kdump, after a crash, kernel might be booting
+ * on a cpu with non-zero lapic id. But boot_cpu_physical_apicid
+ * might be zero if read from MP tables. Get it from LAPIC.
+ */
+#ifdef CONFIG_CRASH_DUMP
+ boot_cpu_physical_apicid = GET_APIC_ID(apic_read(APIC_ID));
+#endif
phys_cpu_present_map = physid_mask_of_physid(boot_cpu_physical_apicid);
setup_local_APIC();
diff --git a/arch/i386/kernel/io_apic.c b/arch/i386/kernel/io_apic.c
index f8f132aa547..d70f2ade5cd 100644
--- a/arch/i386/kernel/io_apic.c
+++ b/arch/i386/kernel/io_apic.c
@@ -2238,6 +2238,8 @@ static inline void unlock_ExtINT_logic(void)
spin_unlock_irqrestore(&ioapic_lock, flags);
}
+int timer_uses_ioapic_pin_0;
+
/*
* This code may look a bit paranoid, but it's supposed to cooperate with
* a wide range of boards and BIOS bugs. Fortunately only the timer IRQ
@@ -2274,6 +2276,9 @@ static inline void check_timer(void)
pin2 = ioapic_i8259.pin;
apic2 = ioapic_i8259.apic;
+ if (pin1 == 0)
+ timer_uses_ioapic_pin_0 = 1;
+
printk(KERN_INFO "..TIMER: vector=0x%02X apic1=%d pin1=%d apic2=%d pin2=%d\n",
vector, apic1, pin1, apic2, pin2);
diff --git a/arch/i386/kernel/mpparse.c b/arch/i386/kernel/mpparse.c
index 34d21e21e01..6b1392d33ed 100644
--- a/arch/i386/kernel/mpparse.c
+++ b/arch/i386/kernel/mpparse.c
@@ -1130,7 +1130,17 @@ int mp_register_gsi (u32 gsi, int triggering, int polarity)
*/
int irq = gsi;
if (gsi < MAX_GSI_NUM) {
- if (gsi > 15)
+ /*
+ * Retain the VIA chipset work-around (gsi > 15), but
+ * avoid a problem where the 8254 timer (IRQ0) is setup
+ * via an override (so it's not on pin 0 of the ioapic),
+ * and at the same time, the pin 0 interrupt is a PCI
+ * type. The gsi > 15 test could cause these two pins
+ * to be shared as IRQ0, and they are not shareable.
+ * So test for this condition, and if necessary, avoid
+ * the pin collision.
+ */
+ if (gsi > 15 || (gsi == 0 && !timer_uses_ioapic_pin_0))
gsi = pci_irq++;
/*
* Don't assign IRQ used by ACPI SCI
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index d77e89ac0d5..846e1639ef7 100644
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -1320,6 +1320,8 @@ legacy_init_iomem_resources(struct resource *code_resource, struct resource *dat
probe_roms();
for (i = 0; i < e820.nr_map; i++) {
struct resource *res;
+ if (e820.map[i].addr + e820.map[i].size > 0x100000000ULL)
+ continue;
res = kzalloc(sizeof(struct resource), GFP_ATOMIC);
switch (e820.map[i].type) {
case E820_RAM: res->name = "System RAM"; break;
diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c
index 2d22f5761b1..0e498369f35 100644
--- a/arch/i386/kernel/traps.c
+++ b/arch/i386/kernel/traps.c
@@ -130,9 +130,8 @@ static inline int print_addr_and_symbol(unsigned long addr, char *log_lvl,
print_symbol("%s", addr);
printed = (printed + 1) % CONFIG_STACK_BACKTRACE_COLS;
-
if (printed)
- printk(" ");
+ printk(" ");
else
printk("\n");
@@ -212,7 +211,6 @@ static void show_stack_log_lvl(struct task_struct *task, unsigned long *esp,
}
stack = esp;
- printk(log_lvl);
for(i = 0; i < kstack_depth_to_print; i++) {
if (kstack_end(stack))
break;
diff --git a/arch/i386/mm/init.c b/arch/i386/mm/init.c
index ae6534ad816..3df1371d452 100644
--- a/arch/i386/mm/init.c
+++ b/arch/i386/mm/init.c
@@ -651,7 +651,7 @@ void __init mem_init(void)
* Specifically, in the case of x86, we will always add
* memory to the highmem for now.
*/
-#ifdef CONFIG_HOTPLUG_MEMORY
+#ifdef CONFIG_MEMORY_HOTPLUG
#ifndef CONFIG_NEED_MULTIPLE_NODES
int add_memory(u64 start, u64 size)
{
diff --git a/arch/i386/oprofile/nmi_int.c b/arch/i386/oprofile/nmi_int.c
index 1a2076ce6f6..ec0fd3cfa77 100644
--- a/arch/i386/oprofile/nmi_int.c
+++ b/arch/i386/oprofile/nmi_int.c
@@ -332,10 +332,11 @@ static int __init ppro_init(char ** cpu_type)
{
__u8 cpu_model = boot_cpu_data.x86_model;
- if (cpu_model > 0xd)
+ if (cpu_model == 14)
+ *cpu_type = "i386/core";
+ else if (cpu_model > 0xd)
return 0;
-
- if (cpu_model == 9) {
+ else if (cpu_model == 9) {
*cpu_type = "i386/p6_mobile";
} else if (cpu_model > 5) {
*cpu_type = "i386/piii";
diff --git a/arch/i386/power/cpu.c b/arch/i386/power/cpu.c
index 50a0bef8c85..79b2370c7fa 100644
--- a/arch/i386/power/cpu.c
+++ b/arch/i386/power/cpu.c
@@ -92,7 +92,7 @@ void __restore_processor_state(struct saved_context *ctxt)
write_cr4(ctxt->cr4);
write_cr3(ctxt->cr3);
write_cr2(ctxt->cr2);
- write_cr2(ctxt->cr0);
+ write_cr0(ctxt->cr0);
/*
* now restore the descriptor tables to their proper values
generated by cgit (git 2.34.1) at 2025-01-12 07:48:03 +0000