diff options
| -rw-r--r-- | Makefile.rhelver | 2 | ||||
| -rw-r--r-- | Patchlist.changelog | 3 | ||||
| -rw-r--r-- | kernel-aarch64-debug-rhel.config | 2 | ||||
| -rw-r--r-- | kernel-aarch64-rhel.config | 2 | ||||
| -rw-r--r-- | kernel-ppc64le-debug-rhel.config | 3 | ||||
| -rw-r--r-- | kernel-ppc64le-rhel.config | 3 | ||||
| -rw-r--r-- | kernel-s390x-debug-rhel.config | 3 | ||||
| -rw-r--r-- | kernel-s390x-rhel.config | 3 | ||||
| -rw-r--r-- | kernel-s390x-zfcpdump-rhel.config | 3 | ||||
| -rw-r--r-- | kernel-x86_64-debug-rhel.config | 3 | ||||
| -rw-r--r-- | kernel-x86_64-rhel.config | 3 | ||||
| -rwxr-xr-x | kernel.spec | 37 | ||||
| -rw-r--r-- | patch-5.15-redhat.patch | 1462 | ||||
| -rw-r--r-- | sources | 6 |
14 files changed, 57 insertions, 1478 deletions
diff --git a/Makefile.rhelver b/Makefile.rhelver index f3cc06e59..1b19c680c 100644 --- a/Makefile.rhelver +++ b/Makefile.rhelver @@ -12,7 +12,7 @@ RHEL_MINOR = 99 # # Use this spot to avoid future merge conflicts. # Do not trim this comment. -RHEL_RELEASE = 47 +RHEL_RELEASE = 49 # # Early y+1 numbering diff --git a/Patchlist.changelog b/Patchlist.changelog index 944696432..18aca60d4 100644 --- a/Patchlist.changelog +++ b/Patchlist.changelog @@ -1,3 +1,6 @@ +https://gitlab.com/cki-project/kernel-ark/-/commit/5ad158bfea74aec50281bacc90a21315bd55d447 + 5ad158bfea74aec50281bacc90a21315bd55d447 Revert "bpf, selftests: Disable tests that need clang13" + https://gitlab.com/cki-project/kernel-ark/-/commit/1739846090d60287d56220b3a984603158668acb 1739846090d60287d56220b3a984603158668acb redhat: Add mark_driver_deprecated() diff --git a/kernel-aarch64-debug-rhel.config b/kernel-aarch64-debug-rhel.config index 93f19e09a..ac33916b4 100644 --- a/kernel-aarch64-debug-rhel.config +++ b/kernel-aarch64-debug-rhel.config @@ -2308,7 +2308,7 @@ CONFIG_IMA_READ_POLICY=y CONFIG_IMA_SIG_TEMPLATE=y # CONFIG_IMA_TEMPLATE is not set CONFIG_IMA_TRUSTED_KEYRING=y -# CONFIG_IMA_WRITE_POLICY is not set +CONFIG_IMA_WRITE_POLICY=y CONFIG_IMA=y # CONFIG_IMG_ASCII_LCD is not set # CONFIG_IMX_SC_WDT is not set diff --git a/kernel-aarch64-rhel.config b/kernel-aarch64-rhel.config index 7be848ddc..7c11a9279 100644 --- a/kernel-aarch64-rhel.config +++ b/kernel-aarch64-rhel.config @@ -2292,7 +2292,7 @@ CONFIG_IMA_READ_POLICY=y CONFIG_IMA_SIG_TEMPLATE=y # CONFIG_IMA_TEMPLATE is not set CONFIG_IMA_TRUSTED_KEYRING=y -# CONFIG_IMA_WRITE_POLICY is not set +CONFIG_IMA_WRITE_POLICY=y CONFIG_IMA=y # CONFIG_IMG_ASCII_LCD is not set # CONFIG_IMX_SC_WDT is not set diff --git a/kernel-ppc64le-debug-rhel.config b/kernel-ppc64le-debug-rhel.config index d21439b51..f1cf8cf7a 100644 --- a/kernel-ppc64le-debug-rhel.config +++ b/kernel-ppc64le-debug-rhel.config @@ -2133,7 +2133,7 @@ CONFIG_IMA_SECURE_AND_OR_TRUSTED_BOOT=y CONFIG_IMA_SIG_TEMPLATE=y # CONFIG_IMA_TEMPLATE is not set CONFIG_IMA_TRUSTED_KEYRING=y -# CONFIG_IMA_WRITE_POLICY is not set +CONFIG_IMA_WRITE_POLICY=y CONFIG_IMA=y # CONFIG_IMG_ASCII_LCD is not set # CONFIG_IMX_SC_WDT is not set @@ -4265,7 +4265,6 @@ CONFIG_QCOM_FALKOR_ERRATUM_1009=y CONFIG_QCOM_QDF2400_ERRATUM_0065=y # CONFIG_QCOM_QFPROM is not set # CONFIG_QCOM_RMTFS_MEM is not set -# CONFIG_QCOM_SCM_DOWNLOAD_MODE_DEFAULT is not set # CONFIG_QCOM_SCM is not set # CONFIG_QCOM_SMEM is not set # CONFIG_QCOM_SPMI_IADC is not set diff --git a/kernel-ppc64le-rhel.config b/kernel-ppc64le-rhel.config index 4328ceab2..e471b18cb 100644 --- a/kernel-ppc64le-rhel.config +++ b/kernel-ppc64le-rhel.config @@ -2117,7 +2117,7 @@ CONFIG_IMA_SECURE_AND_OR_TRUSTED_BOOT=y CONFIG_IMA_SIG_TEMPLATE=y # CONFIG_IMA_TEMPLATE is not set CONFIG_IMA_TRUSTED_KEYRING=y -# CONFIG_IMA_WRITE_POLICY is not set +CONFIG_IMA_WRITE_POLICY=y CONFIG_IMA=y # CONFIG_IMG_ASCII_LCD is not set # CONFIG_IMX_SC_WDT is not set @@ -4247,7 +4247,6 @@ CONFIG_QCOM_FALKOR_ERRATUM_1009=y CONFIG_QCOM_QDF2400_ERRATUM_0065=y # CONFIG_QCOM_QFPROM is not set # CONFIG_QCOM_RMTFS_MEM is not set -# CONFIG_QCOM_SCM_DOWNLOAD_MODE_DEFAULT is not set # CONFIG_QCOM_SCM is not set # CONFIG_QCOM_SMEM is not set # CONFIG_QCOM_SPMI_IADC is not set diff --git a/kernel-s390x-debug-rhel.config b/kernel-s390x-debug-rhel.config index 6d8ff9ec9..c499a3d62 100644 --- a/kernel-s390x-debug-rhel.config +++ b/kernel-s390x-debug-rhel.config @@ -2116,7 +2116,7 @@ CONFIG_IMA_READ_POLICY=y CONFIG_IMA_SIG_TEMPLATE=y # CONFIG_IMA_TEMPLATE is not set CONFIG_IMA_TRUSTED_KEYRING=y -# CONFIG_IMA_WRITE_POLICY is not set +CONFIG_IMA_WRITE_POLICY=y CONFIG_IMA=y # CONFIG_IMG_ASCII_LCD is not set # CONFIG_IMX_SC_WDT is not set @@ -4199,7 +4199,6 @@ CONFIG_QCOM_FALKOR_ERRATUM_1009=y CONFIG_QCOM_QDF2400_ERRATUM_0065=y # CONFIG_QCOM_QFPROM is not set # CONFIG_QCOM_RMTFS_MEM is not set -# CONFIG_QCOM_SCM_DOWNLOAD_MODE_DEFAULT is not set # CONFIG_QCOM_SCM is not set # CONFIG_QCOM_SMEM is not set # CONFIG_QCOM_SPMI_IADC is not set diff --git a/kernel-s390x-rhel.config b/kernel-s390x-rhel.config index 8316e359c..c21b88188 100644 --- a/kernel-s390x-rhel.config +++ b/kernel-s390x-rhel.config @@ -2100,7 +2100,7 @@ CONFIG_IMA_READ_POLICY=y CONFIG_IMA_SIG_TEMPLATE=y # CONFIG_IMA_TEMPLATE is not set CONFIG_IMA_TRUSTED_KEYRING=y -# CONFIG_IMA_WRITE_POLICY is not set +CONFIG_IMA_WRITE_POLICY=y CONFIG_IMA=y # CONFIG_IMG_ASCII_LCD is not set # CONFIG_IMX_SC_WDT is not set @@ -4181,7 +4181,6 @@ CONFIG_QCOM_FALKOR_ERRATUM_1009=y CONFIG_QCOM_QDF2400_ERRATUM_0065=y # CONFIG_QCOM_QFPROM is not set # CONFIG_QCOM_RMTFS_MEM is not set -# CONFIG_QCOM_SCM_DOWNLOAD_MODE_DEFAULT is not set # CONFIG_QCOM_SCM is not set # CONFIG_QCOM_SMEM is not set # CONFIG_QCOM_SPMI_IADC is not set diff --git a/kernel-s390x-zfcpdump-rhel.config b/kernel-s390x-zfcpdump-rhel.config index 4a89c5d8b..f1001c7cc 100644 --- a/kernel-s390x-zfcpdump-rhel.config +++ b/kernel-s390x-zfcpdump-rhel.config @@ -2114,7 +2114,7 @@ CONFIG_IMA_READ_POLICY=y CONFIG_IMA_SIG_TEMPLATE=y # CONFIG_IMA_TEMPLATE is not set CONFIG_IMA_TRUSTED_KEYRING=y -# CONFIG_IMA_WRITE_POLICY is not set +CONFIG_IMA_WRITE_POLICY=y CONFIG_IMA=y # CONFIG_IMG_ASCII_LCD is not set # CONFIG_IMX_SC_WDT is not set @@ -4204,7 +4204,6 @@ CONFIG_QCOM_FALKOR_ERRATUM_1009=y CONFIG_QCOM_QDF2400_ERRATUM_0065=y # CONFIG_QCOM_QFPROM is not set # CONFIG_QCOM_RMTFS_MEM is not set -# CONFIG_QCOM_SCM_DOWNLOAD_MODE_DEFAULT is not set # CONFIG_QCOM_SCM is not set # CONFIG_QCOM_SMEM is not set # CONFIG_QCOM_SPMI_IADC is not set diff --git a/kernel-x86_64-debug-rhel.config b/kernel-x86_64-debug-rhel.config index 5400588e6..048252db2 100644 --- a/kernel-x86_64-debug-rhel.config +++ b/kernel-x86_64-debug-rhel.config @@ -2269,7 +2269,7 @@ CONFIG_IMA_SECURE_AND_OR_TRUSTED_BOOT=y CONFIG_IMA_SIG_TEMPLATE=y # CONFIG_IMA_TEMPLATE is not set CONFIG_IMA_TRUSTED_KEYRING=y -# CONFIG_IMA_WRITE_POLICY is not set +CONFIG_IMA_WRITE_POLICY=y CONFIG_IMA=y # CONFIG_IMG_ASCII_LCD is not set # CONFIG_IMX_SC_WDT is not set @@ -4443,7 +4443,6 @@ CONFIG_QCOM_FALKOR_ERRATUM_1009=y CONFIG_QCOM_QDF2400_ERRATUM_0065=y # CONFIG_QCOM_QFPROM is not set # CONFIG_QCOM_RMTFS_MEM is not set -# CONFIG_QCOM_SCM_DOWNLOAD_MODE_DEFAULT is not set # CONFIG_QCOM_SCM is not set # CONFIG_QCOM_SMEM is not set # CONFIG_QCOM_SPMI_IADC is not set diff --git a/kernel-x86_64-rhel.config b/kernel-x86_64-rhel.config index d729996f2..a6db7c070 100644 --- a/kernel-x86_64-rhel.config +++ b/kernel-x86_64-rhel.config @@ -2253,7 +2253,7 @@ CONFIG_IMA_SECURE_AND_OR_TRUSTED_BOOT=y CONFIG_IMA_SIG_TEMPLATE=y # CONFIG_IMA_TEMPLATE is not set CONFIG_IMA_TRUSTED_KEYRING=y -# CONFIG_IMA_WRITE_POLICY is not set +CONFIG_IMA_WRITE_POLICY=y CONFIG_IMA=y # CONFIG_IMG_ASCII_LCD is not set # CONFIG_IMX_SC_WDT is not set @@ -4422,7 +4422,6 @@ CONFIG_QCOM_FALKOR_ERRATUM_1009=y CONFIG_QCOM_QDF2400_ERRATUM_0065=y # CONFIG_QCOM_QFPROM is not set # CONFIG_QCOM_RMTFS_MEM is not set -# CONFIG_QCOM_SCM_DOWNLOAD_MODE_DEFAULT is not set # CONFIG_QCOM_SCM is not set # CONFIG_QCOM_SMEM is not set # CONFIG_QCOM_SPMI_IADC is not set diff --git a/kernel.spec b/kernel.spec index a4a3a9795..0a1074b61 100755 --- a/kernel.spec +++ b/kernel.spec @@ -83,9 +83,9 @@ Summary: The Linux kernel # Set debugbuildsenabled to 0 to not build a separate debug kernel, but # to build the base kernel using the debug configuration. (Specifying # the --with-release option overrides this setting.) -%define debugbuildsenabled 1 +%define debugbuildsenabled 0 -%global distro_build 0.rc6.47 +%global distro_build 0.rc6.20211021git2f111a6fd5b5.49 %if 0%{?fedora} %define secure_boot_arch x86_64 @@ -130,13 +130,13 @@ Summary: The Linux kernel %define rpmversion 5.15.0 %define patchversion 5.15 -%define pkgrelease 0.rc6.47 +%define pkgrelease 0.rc6.20211021git2f111a6fd5b5.49 # This is needed to do merge window version magic %define patchlevel 15 # allow pkg_release to have configurable %%{?dist} tag -%define specrelease 0.rc6.47%{?buildid}%{?dist} +%define specrelease 0.rc6.20211021git2f111a6fd5b5.49%{?buildid}%{?dist} %define pkg_release %{specrelease} @@ -247,9 +247,14 @@ Summary: The Linux kernel %endif %if %{with toolchain_clang} -%global clang_make_opts HOSTCC=clang CC=clang +%ifarch s390x ppc64le +%global llvm_ias 0 +%else +%global llvm_ias 1 +%endif +%global clang_make_opts HOSTCC=clang CC=clang LLVM_IAS=%{llvm_ias} %if %{with clang_lto} -%global clang_make_opts %{clang_make_opts} LD=ld.lld HOSTLD=ld.lld AR=llvm-ar NM=llvm-nm HOSTAR=llvm-ar HOSTNM=llvm-nm LLVM_IAS=1 +%global clang_make_opts %{clang_make_opts} LD=ld.lld HOSTLD=ld.lld AR=llvm-ar NM=llvm-nm HOSTAR=llvm-ar HOSTNM=llvm-nm %endif %global make_opts %{make_opts} %{clang_make_opts} # clang does not support the -fdump-ipa-clones option @@ -433,8 +438,6 @@ Summary: The Linux kernel %define kernel_image vmlinux %define kernel_image_elf 1 %define use_vdso 0 -# Currently very broken for ppc -%define with_selftests 0 %define all_arch_configs kernel-%{version}-ppc64le*.config %endif @@ -679,7 +682,7 @@ BuildRequires: lld # exact git commit you can run # # xzcat -qq ${TARBALL} | git get-tar-commit-id -Source0: linux-5.15-rc6.tar.xz +Source0: linux-5.15-rc6-70-g2f111a6fd5b5.tar.xz Source1: Makefile.rhelver @@ -1370,8 +1373,8 @@ ApplyOptionalPatch() fi } -%setup -q -n kernel-5.15-rc6 -c -mv linux-5.15-rc6 linux-%{KVERREL} +%setup -q -n kernel-5.15-rc6-70-g2f111a6fd5b5 -c +mv linux-5.15-rc6-70-g2f111a6fd5b5 linux-%{KVERREL} cd linux-%{KVERREL} cp -a %{SOURCE1} . @@ -2248,7 +2251,7 @@ popd # in the source tree. We installed them previously to $RPM_BUILD_ROOT/usr # but there's no way to tell the Makefile to take them from there. %{make} %{?_smp_mflags} headers_install -%{make} %{?_smp_mflags} ARCH=$Arch V=1 M=samples/bpf/ +%{make} %{?_smp_mflags} ARCH=$Arch V=1 M=samples/bpf/ || true # Prevent bpf selftests to build bpftool repeatedly: export BPFTOOL=$(pwd)/tools/bpf/bpftool/bpftool @@ -2970,8 +2973,14 @@ fi # # %changelog -* Mon Oct 18 2021 Fedora Kernel Team <kernel-team@fedoraproject.org> [5.15-0.rc6.47] -- Temporarily turn off selftests for bpf on ppc (Justin M. Forbes) +* Thu Oct 21 2021 Fedora Kernel Team <kernel-team@fedoraproject.org> [5.15-0.rc6.20211021git2f111a6fd5b5.49] +- Revert "bpf, selftests: Disable tests that need clang13" (Jiri Olsa) +- spec: Don't fail spec build if ksamples fails (Jiri Olsa) +- Enable CONFIG_QCOM_SCM for arm (Justin M. Forbes) + +* Tue Oct 19 2021 Fedora Kernel Team <kernel-team@fedoraproject.org> [5.15-0.rc6.47] +- redhat: Disable clang's integrated assembler on ppc64le and s390x (Tom Stellard) +- redhat/configs: enable CONFIG_IMA_WRITE_POLICY (Bruno Meneguele) * Fri Oct 15 2021 Fedora Kernel Team <kernel-team@fedoraproject.org> [5.15-0.rc5.20211015gitec681c53f8d2.43] - Fix dist-srpm-gcov (Don Zickus) diff --git a/patch-5.15-redhat.patch b/patch-5.15-redhat.patch index 8375ff322..66ca3fd5b 100644 --- a/patch-5.15-redhat.patch +++ b/patch-5.15-redhat.patch @@ -1,6 +1,6 @@ Documentation/admin-guide/kernel-parameters.txt | 9 + Kconfig | 2 + - Kconfig.redhat | 17 + + Kconfig.redhat | 17 ++ Makefile | 12 +- arch/arm/Kconfig | 4 +- arch/arm64/Kconfig | 3 +- @@ -10,22 +10,22 @@ arch/s390/kernel/ipl.c | 5 + arch/s390/kernel/setup.c | 4 + arch/x86/kernel/cpu/common.c | 1 + - arch/x86/kernel/setup.c | 69 ++- - crypto/rng.c | 73 ++- + arch/x86/kernel/setup.c | 69 ++++- + 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/ata/libahci.c | 18 ++ + drivers/char/ipmi/ipmi_dmi.c | 15 ++ drivers/char/ipmi/ipmi_msghandler.c | 16 +- - drivers/char/random.c | 115 +++++ + 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/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/message/fusion/mptsas.c | 10 + drivers/message/fusion/mptspi.c | 11 + drivers/net/team/team.c | 2 + @@ -34,7 +34,7 @@ drivers/nvme/host/multipath.c | 19 +- drivers/nvme/host/nvme.h | 4 + drivers/pci/pci-driver.c | 29 ++ - drivers/pci/quirks.c | 24 + + drivers/pci/quirks.c | 24 ++ drivers/scsi/aacraid/linit.c | 2 + drivers/scsi/be2iscsi/be_main.c | 2 + drivers/scsi/hpsa.c | 4 + @@ -47,23 +47,23 @@ fs/ext4/super.c | 5 + fs/xfs/xfs_super.c | 5 + include/linux/efi.h | 22 +- - include/linux/kernel.h | 17 + + include/linux/kernel.h | 17 ++ include/linux/lsm_hook_defs.h | 2 + include/linux/lsm_hooks.h | 6 + include/linux/module.h | 1 + include/linux/panic.h | 19 +- include/linux/pci.h | 4 + include/linux/random.h | 7 + - include/linux/rh_kabi.h | 297 +++++++++++ + include/linux/rh_kabi.h | 297 +++++++++++++++++++++ include/linux/rmi.h | 1 + include/linux/security.h | 5 + init/Kconfig | 2 +- kernel/Makefile | 1 + - kernel/bpf/syscall.c | 18 + + kernel/bpf/syscall.c | 18 ++ kernel/module.c | 2 + kernel/module_signing.c | 9 +- kernel/panic.c | 14 + - kernel/rh_taint.c | 109 +++++ + kernel/rh_taint.c | 109 ++++++++ kernel/sysctl.c | 5 + mm/cma.c | 10 + scripts/mod/modpost.c | 8 + @@ -72,20 +72,7 @@ security/lockdown/Kconfig | 13 + security/lockdown/lockdown.c | 1 + security/security.c | 6 + - tools/testing/selftests/bpf/Makefile | 1 - - .../selftests/bpf/prog_tests/linked_funcs.c | 42 -- - .../testing/selftests/bpf/prog_tests/linked_maps.c | 30 -- - .../testing/selftests/bpf/prog_tests/linked_vars.c | 43 -- - tools/testing/selftests/bpf/progs/bpf_cubic.c | 545 --------------------- - tools/testing/selftests/bpf/progs/bpf_dctcp.c | 249 ---------- - .../testing/selftests/bpf/progs/kfunc_call_test.c | 47 -- - .../selftests/bpf/progs/kfunc_call_test_subprog.c | 42 -- - tools/testing/selftests/bpf/progs/linked_funcs1.c | 73 --- - tools/testing/selftests/bpf/progs/linked_funcs2.c | 73 --- - tools/testing/selftests/bpf/progs/linked_maps2.c | 76 --- - tools/testing/selftests/bpf/progs/linked_vars1.c | 54 -- - tools/testing/selftests/bpf/progs/linked_vars2.c | 55 --- - 87 files changed, 1377 insertions(+), 1523 deletions(-) + 74 files changed, 1377 insertions(+), 193 deletions(-) diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 43dc35fe5bc0..ada907ac43ff 100644 @@ -3067,1416 +3054,3 @@ index 9ffa9e9c5c55..36484cc9842d 100644 #ifdef CONFIG_PERF_EVENTS int security_perf_event_open(struct perf_event_attr *attr, int type) { -diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile -index 799b88152e9e..73c687d900c3 100644 ---- a/tools/testing/selftests/bpf/Makefile -+++ b/tools/testing/selftests/bpf/Makefile -@@ -426,7 +426,6 @@ $(TRUNNER_TEST_OBJS): $(TRUNNER_OUTPUT)/%.test.o: \ - $(TRUNNER_BPF_OBJS) \ - $(TRUNNER_BPF_SKELS) \ - $(TRUNNER_BPF_LSKELS) \ -- $(TRUNNER_BPF_SKELS_LINKED) \ - $$(BPFOBJ) | $(TRUNNER_OUTPUT) - $$(call msg,TEST-OBJ,$(TRUNNER_BINARY),$$@) - $(Q)cd $$(@D) && $$(CC) -I. $$(CFLAGS) -c $(CURDIR)/$$< $$(LDLIBS) -o $$(@F) -diff --git a/tools/testing/selftests/bpf/prog_tests/linked_funcs.c b/tools/testing/selftests/bpf/prog_tests/linked_funcs.c -deleted file mode 100644 -index e9916f2817ec..000000000000 ---- a/tools/testing/selftests/bpf/prog_tests/linked_funcs.c -+++ /dev/null -@@ -1,42 +0,0 @@ --// SPDX-License-Identifier: GPL-2.0 --/* Copyright (c) 2021 Facebook */ -- --#include <test_progs.h> --#include <sys/syscall.h> --#include "linked_funcs.skel.h" -- --void test_linked_funcs(void) --{ -- int err; -- struct linked_funcs *skel; -- -- skel = linked_funcs__open(); -- if (!ASSERT_OK_PTR(skel, "skel_open")) -- return; -- -- skel->rodata->my_tid = syscall(SYS_gettid); -- skel->bss->syscall_id = SYS_getpgid; -- -- err = linked_funcs__load(skel); -- if (!ASSERT_OK(err, "skel_load")) -- goto cleanup; -- -- err = linked_funcs__attach(skel); -- if (!ASSERT_OK(err, "skel_attach")) -- goto cleanup; -- -- /* trigger */ -- syscall(SYS_getpgid); -- -- ASSERT_EQ(skel->bss->output_val1, 2000 + 2000, "output_val1"); -- ASSERT_EQ(skel->bss->output_ctx1, SYS_getpgid, "output_ctx1"); -- ASSERT_EQ(skel->bss->output_weak1, 42, "output_weak1"); -- -- ASSERT_EQ(skel->bss->output_val2, 2 * 1000 + 2 * (2 * 1000), "output_val2"); -- ASSERT_EQ(skel->bss->output_ctx2, SYS_getpgid, "output_ctx2"); -- /* output_weak2 should never be updated */ -- ASSERT_EQ(skel->bss->output_weak2, 0, "output_weak2"); -- --cleanup: -- linked_funcs__destroy(skel); --} -diff --git a/tools/testing/selftests/bpf/prog_tests/linked_maps.c b/tools/testing/selftests/bpf/prog_tests/linked_maps.c -deleted file mode 100644 -index 85dcaaaf2775..000000000000 ---- a/tools/testing/selftests/bpf/prog_tests/linked_maps.c -+++ /dev/null -@@ -1,30 +0,0 @@ --// SPDX-License-Identifier: GPL-2.0 --/* Copyright (c) 2021 Facebook */ -- --#include <test_progs.h> --#include <sys/syscall.h> --#include "linked_maps.skel.h" -- --void test_linked_maps(void) --{ -- int err; -- struct linked_maps *skel; -- -- skel = linked_maps__open_and_load(); -- if (!ASSERT_OK_PTR(skel, "skel_open")) -- return; -- -- err = linked_maps__attach(skel); -- if (!ASSERT_OK(err, "skel_attach")) -- goto cleanup; -- -- /* trigger */ -- syscall(SYS_getpgid); -- -- ASSERT_EQ(skel->bss->output_first1, 2000, "output_first1"); -- ASSERT_EQ(skel->bss->output_second1, 2, "output_second1"); -- ASSERT_EQ(skel->bss->output_weak1, 2, "output_weak1"); -- --cleanup: -- linked_maps__destroy(skel); --} -diff --git a/tools/testing/selftests/bpf/prog_tests/linked_vars.c b/tools/testing/selftests/bpf/prog_tests/linked_vars.c -deleted file mode 100644 -index 267166abe4c1..000000000000 ---- a/tools/testing/selftests/bpf/prog_tests/linked_vars.c -+++ /dev/null -@@ -1,43 +0,0 @@ --// SPDX-License-Identifier: GPL-2.0 --/* Copyright (c) 2021 Facebook */ -- --#include <test_progs.h> --#include <sys/syscall.h> --#include "linked_vars.skel.h" -- --void test_linked_vars(void) --{ -- int err; -- struct linked_vars *skel; -- -- skel = linked_vars__open(); -- if (!ASSERT_OK_PTR(skel, "skel_open")) -- return; -- -- skel->bss->input_bss1 = 1000; -- skel->bss->input_bss2 = 2000; -- skel->bss->input_bss_weak = 3000; -- -- err = linked_vars__load(skel); -- if (!ASSERT_OK(err, "skel_load")) -- goto cleanup; -- -- err = linked_vars__attach(skel); -- if (!ASSERT_OK(err, "skel_attach")) -- goto cleanup; -- -- /* trigger */ -- syscall(SYS_getpgid); -- -- ASSERT_EQ(skel->bss->output_bss1, 1000 + 2000 + 3000, "output_bss1"); -- ASSERT_EQ(skel->bss->output_bss2, 1000 + 2000 + 3000, "output_bss2"); -- /* 10 comes from "winner" input_data_weak in first obj file */ -- ASSERT_EQ(skel->bss->output_data1, 1 + 2 + 10, "output_bss1"); -- ASSERT_EQ(skel->bss->output_data2, 1 + 2 + 10, "output_bss2"); -- /* 100 comes from "winner" input_rodata_weak in first obj file */ -- ASSERT_EQ(skel->bss->output_rodata1, 11 + 22 + 100, "output_weak1"); -- ASSERT_EQ(skel->bss->output_rodata2, 11 + 22 + 100, "output_weak2"); -- --cleanup: -- linked_vars__destroy(skel); --} -diff --git a/tools/testing/selftests/bpf/progs/bpf_cubic.c b/tools/testing/selftests/bpf/progs/bpf_cubic.c -deleted file mode 100644 -index f62df4d023f9..000000000000 ---- a/tools/testing/selftests/bpf/progs/bpf_cubic.c -+++ /dev/null -@@ -1,545 +0,0 @@ --// SPDX-License-Identifier: GPL-2.0-only -- --/* WARNING: This implemenation is not necessarily the same -- * as the tcp_cubic.c. The purpose is mainly for testing -- * the kernel BPF logic. -- * -- * Highlights: -- * 1. CONFIG_HZ .kconfig map is used. -- * 2. In bictcp_update(), calculation is changed to use usec -- * resolution (i.e. USEC_PER_JIFFY) instead of using jiffies. -- * Thus, usecs_to_jiffies() is not used in the bpf_cubic.c. -- * 3. In bitctcp_update() [under tcp_friendliness], the original -- * "while (ca->ack_cnt > delta)" loop is changed to the equivalent -- * "ca->ack_cnt / delta" operation. -- */ -- --#include <linux/bpf.h> --#include <linux/stddef.h> --#include <linux/tcp.h> --#include "bpf_tcp_helpers.h" -- --char _license[] SEC("license") = "GPL"; -- --#define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi) -- --#define BICTCP_BETA_SCALE 1024 /* Scale factor beta calculation -- * max_cwnd = snd_cwnd * beta -- */ --#define BICTCP_HZ 10 /* BIC HZ 2^10 = 1024 */ -- --/* Two methods of hybrid slow start */ --#define HYSTART_ACK_TRAIN 0x1 --#define HYSTART_DELAY 0x2 -- --/* Number of delay samples for detecting the increase of delay */ --#define HYSTART_MIN_SAMPLES 8 --#define HYSTART_DELAY_MIN (4000U) /* 4ms */ --#define HYSTART_DELAY_MAX (16000U) /* 16 ms */ --#define HYSTART_DELAY_THRESH(x) clamp(x, HYSTART_DELAY_MIN, HYSTART_DELAY_MAX) -- --static int fast_convergence = 1; --static const int beta = 717; /* = 717/1024 (BICTCP_BETA_SCALE) */ --static int initial_ssthresh; --static const int bic_scale = 41; --static int tcp_friendliness = 1; -- --static int hystart = 1; --static int hystart_detect = HYSTART_ACK_TRAIN | HYSTART_DELAY; --static int hystart_low_window = 16; --static int hystart_ack_delta_us = 2000; -- --static const __u32 cube_rtt_scale = (bic_scale * 10); /* 1024*c/rtt */ --static const __u32 beta_scale = 8*(BICTCP_BETA_SCALE+beta) / 3 -- / (BICTCP_BETA_SCALE - beta); --/* calculate the "K" for (wmax-cwnd) = c/rtt * K^3 -- * so K = cubic_root( (wmax-cwnd)*rtt/c ) -- * the unit of K is bictcp_HZ=2^10, not HZ -- * -- * c = bic_scale >> 10 -- * rtt = 100ms -- * -- * the following code has been designed and tested for -- * cwnd < 1 million packets -- * RTT < 100 seconds -- * HZ < 1,000,00 (corresponding to 10 nano-second) -- */ -- --/* 1/c * 2^2*bictcp_HZ * srtt, 2^40 */ --static const __u64 cube_factor = (__u64)(1ull << (10+3*BICTCP_HZ)) -- / (bic_scale * 10); -- --/* BIC TCP Parameters */ --struct bictcp { -- __u32 cnt; /* increase cwnd by 1 after ACKs */ -- __u32 last_max_cwnd; /* last maximum snd_cwnd */ -- __u32 last_cwnd; /* the last snd_cwnd */ -- __u32 last_time; /* time when updated last_cwnd */ -- __u32 bic_origin_point;/* origin point of bic function */ -- __u32 bic_K; /* time to origin point -- from the beginning of the current epoch */ -- __u32 delay_min; /* min delay (usec) */ -- __u32 epoch_start; /* beginning of an epoch */ -- __u32 ack_cnt; /* number of acks */ -- __u32 tcp_cwnd; /* estimated tcp cwnd */ -- __u16 unused; -- __u8 sample_cnt; /* number of samples to decide curr_rtt */ -- __u8 found; /* the exit point is found? */ -- __u32 round_start; /* beginning of each round */ -- __u32 end_seq; /* end_seq of the round */ -- __u32 last_ack; /* last time when the ACK spacing is close */ -- __u32 curr_rtt; /* the minimum rtt of current round */ --}; -- --static inline void bictcp_reset(struct bictcp *ca) --{ -- ca->cnt = 0; -- ca->last_max_cwnd = 0; -- ca->last_cwnd = 0; -- ca->last_time = 0; -- ca->bic_origin_point = 0; -- ca->bic_K = 0; -- ca->delay_min = 0; -- ca->epoch_start = 0; -- ca->ack_cnt = 0; -- ca->tcp_cwnd = 0; -- ca->found = 0; --} -- --extern unsigned long CONFIG_HZ __kconfig; --#define HZ CONFIG_HZ --#define USEC_PER_MSEC 1000UL --#define USEC_PER_SEC 1000000UL --#define USEC_PER_JIFFY (USEC_PER_SEC / HZ) -- --static __always_inline __u64 div64_u64(__u64 dividend, __u64 divisor) --{ -- return dividend / divisor; --} -- --#define div64_ul div64_u64 -- --#define BITS_PER_U64 (sizeof(__u64) * 8) --static __always_inline int fls64(__u64 x) --{ -- int num = BITS_PER_U64 - 1; -- -- if (x == 0) -- return 0; -- -- if (!(x & (~0ull << (BITS_PER_U64-32)))) { -- num -= 32; -- x <<= 32; -- } -- if (!(x & (~0ull << (BITS_PER_U64-16)))) { -- num -= 16; -- x <<= 16; -- } -- if (!(x & (~0ull << (BITS_PER_U64-8)))) { -- num -= 8; -- x <<= 8; -- } -- if (!(x & (~0ull << (BITS_PER_U64-4)))) { -- num -= 4; -- x <<= 4; -- } -- if (!(x & (~0ull << (BITS_PER_U64-2)))) { -- num -= 2; -- x <<= 2; -- } -- if (!(x & (~0ull << (BITS_PER_U64-1)))) -- num -= 1; -- -- return num + 1; --} -- --static __always_inline __u32 bictcp_clock_us(const struct sock *sk) --{ -- return tcp_sk(sk)->tcp_mstamp; --} -- --static __always_inline void bictcp_hystart_reset(struct sock *sk) --{ -- struct tcp_sock *tp = tcp_sk(sk); -- struct bictcp *ca = inet_csk_ca(sk); -- -- ca->round_start = ca->last_ack = bictcp_clock_us(sk); -- ca->end_seq = tp->snd_nxt; -- ca->curr_rtt = ~0U; -- ca->sample_cnt = 0; --} -- --/* "struct_ops/" prefix is not a requirement -- * It will be recognized as BPF_PROG_TYPE_STRUCT_OPS -- * as long as it is used in one of the func ptr -- * under SEC(".struct_ops"). -- */ --SEC("struct_ops/bpf_cubic_init") --void BPF_PROG(bpf_cubic_init, struct sock *sk) --{ -- struct bictcp *ca = inet_csk_ca(sk); -- -- bictcp_reset(ca); -- -- if (hystart) -- bictcp_hystart_reset(sk); -- -- if (!hystart && initial_ssthresh) -- tcp_sk(sk)->snd_ssthresh = initial_ssthresh; --} -- --/* No prefix in SEC will also work. -- * The remaining tcp-cubic functions have an easier way. -- */ --SEC("no-sec-prefix-bictcp_cwnd_event") --void BPF_PROG(bpf_cubic_cwnd_event, struct sock *sk, enum tcp_ca_event event) --{ -- if (event == CA_EVENT_TX_START) { -- struct bictcp *ca = inet_csk_ca(sk); -- __u32 now = tcp_jiffies32; -- __s32 delta; -- -- delta = now - tcp_sk(sk)->lsndtime; -- -- /* We were application limited (idle) for a while. -- * Shift epoch_start to keep cwnd growth to cubic curve. -- */ -- if (ca->epoch_start && delta > 0) { -- ca->epoch_start += delta; -- if (after(ca->epoch_start, now)) -- ca->epoch_start = now; -- } -- return; -- } --} -- --/* -- * cbrt(x) MSB values for x MSB values in [0..63]. -- * Precomputed then refined by hand - Willy Tarreau -- * -- * For x in [0..63], -- * v = cbrt(x << 18) - 1 -- * cbrt(x) = (v[x] + 10) >> 6 -- */ --static const __u8 v[] = { -- /* 0x00 */ 0, 54, 54, 54, 118, 118, 118, 118, -- /* 0x08 */ 123, 129, 134, 138, 143, 147, 151, 156, -- /* 0x10 */ 157, 161, 164, 168, 170, 173, 176, 179, -- /* 0x18 */ 181, 185, 187, 190, 192, 194, 197, 199, -- /* 0x20 */ 200, 202, 204, 206, 209, 211, 213, 215, -- /* 0x28 */ 217, 219, 221, 222, 224, 225, 227, 229, -- /* 0x30 */ 231, 232, 234, 236, 237, 239, 240, 242, -- /* 0x38 */ 244, 245, 246, 248, 250, 251, 252, 254, --}; -- --/* calculate the cubic root of x using a table lookup followed by one -- * Newton-Raphson iteration. -- * Avg err ~= 0.195% -- */ --static __always_inline __u32 cubic_root(__u64 a) --{ -- __u32 x, b, shift; -- -- if (a < 64) { -- /* a in [0..63] */ -- return ((__u32)v[(__u32)a] + 35) >> 6; -- } -- -- b = fls64(a); -- b = ((b * 84) >> 8) - 1; -- shift = (a >> (b * 3)); -- -- /* it is needed for verifier's bound check on v */ -- if (shift >= 64) -- return 0; -- -- x = ((__u32)(((__u32)v[shift] + 10) << b)) >> 6; -- -- /* -- * Newton-Raphson iteration -- * 2 -- * x = ( 2 * x + a / x ) / 3 -- * k+1 k k -- */ -- x = (2 * x + (__u32)div64_u64(a, (__u64)x * (__u64)(x - 1))); -- x = ((x * 341) >> 10); -- return x; --} -- --/* -- * Compute congestion window to use. -- */ --static __always_inline void bictcp_update(struct bictcp *ca, __u32 cwnd, -- __u32 acked) --{ -- __u32 delta, bic_target, max_cnt; -- __u64 offs, t; -- -- ca->ack_cnt += acked; /* count the number of ACKed packets */ -- -- if (ca->last_cwnd == cwnd && -- (__s32)(tcp_jiffies32 - ca->last_time) <= HZ / 32) -- return; -- -- /* The CUBIC function can update ca->cnt at most once per jiffy. -- * On all cwnd reduction events, ca->epoch_start is set to 0, -- * which will force a recalculation of ca->cnt. -- */ -- if (ca->epoch_start && tcp_jiffies32 == ca->last_time) -- goto tcp_friendliness; -- -- ca->last_cwnd = cwnd; -- ca->last_time = tcp_jiffies32; -- -- if (ca->epoch_start == 0) { -- ca->epoch_start = tcp_jiffies32; /* record beginning */ -- ca->ack_cnt = acked; /* start counting */ -- ca->tcp_cwnd = cwnd; /* syn with cubic */ -- -- if (ca->last_max_cwnd <= cwnd) { -- ca->bic_K = 0; -- ca->bic_origin_point = cwnd; -- } else { -- /* Compute new K based on -- * (wmax-cwnd) * (srtt>>3 / HZ) / c * 2^(3*bictcp_HZ) -- */ -- ca->bic_K = cubic_root(cube_factor -- * (ca->last_max_cwnd - cwnd)); -- ca->bic_origin_point = ca->last_max_cwnd; -- } -- } -- -- /* cubic function - calc*/ -- /* calculate c * time^3 / rtt, -- * while considering overflow in calculation of time^3 -- * (so time^3 is done by using 64 bit) -- * and without the support of division of 64bit numbers -- * (so all divisions are done by using 32 bit) -- * also NOTE the unit of those veriables -- * time = (t - K) / 2^bictcp_HZ -- * c = bic_scale >> 10 -- * rtt = (srtt >> 3) / HZ -- * !!! The following code does not have overflow problems, -- * if the cwnd < 1 million packets !!! -- */ -- -- t = (__s32)(tcp_jiffies32 - ca->epoch_start) * USEC_PER_JIFFY; -- t += ca->delay_min; -- /* change the unit from usec to bictcp_HZ */ -- t <<= BICTCP_HZ; -- t /= USEC_PER_SEC; -- -- if (t < ca->bic_K) /* t - K */ -- offs = ca->bic_K - t; -- else -- offs = t - ca->bic_K; -- -- /* c/rtt * (t-K)^3 */ -- delta = (cube_rtt_scale * offs * offs * offs) >> (10+3*BICTCP_HZ); -- if (t < ca->bic_K) /* below origin*/ -- bic_target = ca->bic_origin_point - delta; -- else /* above origin*/ -- bic_target = ca->bic_origin_point + delta; -- -- /* cubic function - calc bictcp_cnt*/ -- if (bic_target > cwnd) { -- ca->cnt = cwnd / (bic_target - cwnd); -- } else { -- ca->cnt = 100 * cwnd; /* very small increment*/ -- } -- -- /* -- * The initial growth of cubic function may be too conservative -- * when the available bandwidth is still unknown. -- */ -- if (ca->last_max_cwnd == 0 && ca->cnt > 20) -- ca->cnt = 20; /* increase cwnd 5% per RTT */ -- --tcp_friendliness: -- /* TCP Friendly */ -- if (tcp_friendliness) { -- __u32 scale = beta_scale; -- __u32 n; -- -- /* update tcp cwnd */ -- delta = (cwnd * scale) >> 3; -- if (ca->ack_cnt > delta && delta) { -- n = ca->ack_cnt / delta; -- ca->ack_cnt -= n * delta; -- ca->tcp_cwnd += n; -- } -- -- if (ca->tcp_cwnd > cwnd) { /* if bic is slower than tcp */ -- delta = ca->tcp_cwnd - cwnd; -- max_cnt = cwnd / delta; -- if (ca->cnt > max_cnt) -- ca->cnt = max_cnt; -- } -- } -- -- /* The maximum rate of cwnd increase CUBIC allows is 1 packet per -- * 2 packets ACKed, meaning cwnd grows at 1.5x per RTT. -- */ -- ca->cnt = max(ca->cnt, 2U); --} -- --/* Or simply use the BPF_STRUCT_OPS to avoid the SEC boiler plate. */ --void BPF_STRUCT_OPS(bpf_cubic_cong_avoid, struct sock *sk, __u32 ack, __u32 acked) --{ -- struct tcp_sock *tp = tcp_sk(sk); -- struct bictcp *ca = inet_csk_ca(sk); -- -- if (!tcp_is_cwnd_limited(sk)) -- return; -- -- if (tcp_in_slow_start(tp)) { -- if (hystart && after(ack, ca->end_seq)) -- bictcp_hystart_reset(sk); -- acked = tcp_slow_start(tp, acked); -- if (!acked) -- return; -- } -- bictcp_update(ca, tp->snd_cwnd, acked); -- tcp_cong_avoid_ai(tp, ca->cnt, acked); --} -- --__u32 BPF_STRUCT_OPS(bpf_cubic_recalc_ssthresh, struct sock *sk) --{ -- const struct tcp_sock *tp = tcp_sk(sk); -- struct bictcp *ca = inet_csk_ca(sk); -- -- ca->epoch_start = 0; /* end of epoch */ -- -- /* Wmax and fast convergence */ -- if (tp->snd_cwnd < ca->last_max_cwnd && fast_convergence) -- ca->last_max_cwnd = (tp->snd_cwnd * (BICTCP_BETA_SCALE + beta)) -- / (2 * BICTCP_BETA_SCALE); -- else -- ca->last_max_cwnd = tp->snd_cwnd; -- -- return max((tp->snd_cwnd * beta) / BICTCP_BETA_SCALE, 2U); --} -- --void BPF_STRUCT_OPS(bpf_cubic_state, struct sock *sk, __u8 new_state) --{ -- if (new_state == TCP_CA_Loss) { -- bictcp_reset(inet_csk_ca(sk)); -- bictcp_hystart_reset(sk); -- } --} -- --#define GSO_MAX_SIZE 65536 -- --/* Account for TSO/GRO delays. -- * Otherwise short RTT flows could get too small ssthresh, since during -- * slow start we begin with small TSO packets and ca->delay_min would -- * not account for long aggregation delay when TSO packets get bigger. -- * Ideally even with a very small RTT we would like to have at least one -- * TSO packet being sent and received by GRO, and another one in qdisc layer. -- * We apply another 100% factor because @rate is doubled at this point. -- * We cap the cushion to 1ms. -- */ --static __always_inline __u32 hystart_ack_delay(struct sock *sk) --{ -- unsigned long rate; -- -- rate = sk->sk_pacing_rate; -- if (!rate) -- return 0; -- return min((__u64)USEC_PER_MSEC, -- div64_ul((__u64)GSO_MAX_SIZE * 4 * USEC_PER_SEC, rate)); --} -- --static __always_inline void hystart_update(struct sock *sk, __u32 delay) --{ -- struct tcp_sock *tp = tcp_sk(sk); -- struct bictcp *ca = inet_csk_ca(sk); -- __u32 threshold; -- -- if (hystart_detect & HYSTART_ACK_TRAIN) { -- __u32 now = bictcp_clock_us(sk); -- -- /* first detection parameter - ack-train detection */ -- if ((__s32)(now - ca->last_ack) <= hystart_ack_delta_us) { -- ca->last_ack = now; -- -- threshold = ca->delay_min + hystart_ack_delay(sk); -- -- /* Hystart ack train triggers if we get ack past -- * ca->delay_min/2. -- * Pacing might have delayed packets up to RTT/2 -- * during slow start. -- */ -- if (sk->sk_pacing_status == SK_PACING_NONE) -- threshold >>= 1; -- -- if ((__s32)(now - ca->round_start) > threshold) { -- ca->found = 1; -- tp->snd_ssthresh = tp->snd_cwnd; -- } -- } -- } -- -- if (hystart_detect & HYSTART_DELAY) { -- /* obtain the minimum delay of more than sampling packets */ -- if (ca->curr_rtt > delay) -- ca->curr_rtt = delay; -- if (ca->sample_cnt < HYSTART_MIN_SAMPLES) { -- ca->sample_cnt++; -- } else { -- if (ca->curr_rtt > ca->delay_min + -- HYSTART_DELAY_THRESH(ca->delay_min >> 3)) { -- ca->found = 1; -- tp->snd_ssthresh = tp->snd_cwnd; -- } -- } -- } --} -- --void BPF_STRUCT_OPS(bpf_cubic_acked, struct sock *sk, -- const struct ack_sample *sample) --{ -- const struct tcp_sock *tp = tcp_sk(sk); -- struct bictcp *ca = inet_csk_ca(sk); -- __u32 delay; -- -- /* Some calls are for duplicates without timetamps */ -- if (sample->rtt_us < 0) -- return; -- -- /* Discard delay samples right after fast recovery */ -- if (ca->epoch_start && (__s32)(tcp_jiffies32 - ca->epoch_start) < HZ) -- return; -- -- delay = sample->rtt_us; -- if (delay == 0) -- delay = 1; -- -- /* first time call or link delay decreases */ -- if (ca->delay_min == 0 || ca->delay_min > delay) -- ca->delay_min = delay; -- -- /* hystart triggers when cwnd is larger than some threshold */ -- if (!ca->found && tcp_in_slow_start(tp) && hystart && -- tp->snd_cwnd >= hystart_low_window) -- hystart_update(sk, delay); --} -- --extern __u32 tcp_reno_undo_cwnd(struct sock *sk) __ksym; -- --__u32 BPF_STRUCT_OPS(bpf_cubic_undo_cwnd, struct sock *sk) --{ -- return tcp_reno_undo_cwnd(sk); --} -- --SEC(".struct_ops") --struct tcp_congestion_ops cubic = { -- .init = (void *)bpf_cubic_init, -- .ssthresh = (void *)bpf_cubic_recalc_ssthresh, -- .cong_avoid = (void *)bpf_cubic_cong_avoid, -- .set_state = (void *)bpf_cubic_state, -- .undo_cwnd = (void *)bpf_cubic_undo_cwnd, -- .cwnd_event = (void *)bpf_cubic_cwnd_event, -- .pkts_acked = (void *)bpf_cubic_acked, -- .name = "bpf_cubic", --}; -diff --git a/tools/testing/selftests/bpf/progs/bpf_dctcp.c b/tools/testing/selftests/bpf/progs/bpf_dctcp.c -deleted file mode 100644 -index 9573be6122be..000000000000 ---- a/tools/testing/selftests/bpf/progs/bpf_dctcp.c -+++ /dev/null -@@ -1,249 +0,0 @@ --// SPDX-License-Identifier: GPL-2.0 --/* Copyright (c) 2019 Facebook */ -- --/* WARNING: This implemenation is not necessarily the same -- * as the tcp_dctcp.c. The purpose is mainly for testing -- * the kernel BPF logic. -- */ -- --#include <stddef.h> --#include <linux/bpf.h> --#include <linux/types.h> --#include <linux/stddef.h> --#include <linux/tcp.h> --#include <bpf/bpf_helpers.h> --#include <bpf/bpf_tracing.h> --#include "bpf_tcp_helpers.h" -- --char _license[] SEC("license") = "GPL"; -- --volatile const char fallback[TCP_CA_NAME_MAX]; --const char bpf_dctcp[] = "bpf_dctcp"; --const char tcp_cdg[] = "cdg"; --char cc_res[TCP_CA_NAME_MAX]; --int tcp_cdg_res = 0; --int stg_result = 0; -- --struct { -- __uint(type, BPF_MAP_TYPE_SK_STORAGE); -- __uint(map_flags, BPF_F_NO_PREALLOC); -- __type(key, int); -- __type(value, int); --} sk_stg_map SEC(".maps"); -- --#define DCTCP_MAX_ALPHA 1024U -- --struct dctcp { -- __u32 old_delivered; -- __u32 old_delivered_ce; -- __u32 prior_rcv_nxt; -- __u32 dctcp_alpha; -- __u32 next_seq; -- __u32 ce_state; -- __u32 loss_cwnd; --}; -- --static unsigned int dctcp_shift_g = 4; /* g = 1/2^4 */ --static unsigned int dctcp_alpha_on_init = DCTCP_MAX_ALPHA; -- --static __always_inline void dctcp_reset(const struct tcp_sock *tp, -- struct dctcp *ca) --{ -- ca->next_seq = tp->snd_nxt; -- -- ca->old_delivered = tp->delivered; -- ca->old_delivered_ce = tp->delivered_ce; --} -- --SEC("struct_ops/dctcp_init") --void BPF_PROG(dctcp_init, struct sock *sk) --{ -- const struct tcp_sock *tp = tcp_sk(sk); -- struct dctcp *ca = inet_csk_ca(sk); -- int *stg; -- -- if (!(tp->ecn_flags & TCP_ECN_OK) && fallback[0]) { -- /* Switch to fallback */ -- bpf_setsockopt(sk, SOL_TCP, TCP_CONGESTION, -- (void *)fallback, sizeof(fallback)); -- /* Switch back to myself which the bpf trampoline -- * stopped calling dctcp_init recursively. -- */ -- bpf_setsockopt(sk, SOL_TCP, TCP_CONGESTION, -- (void *)bpf_dctcp, sizeof(bpf_dctcp)); -- /* Switch back to fallback */ -- bpf_setsockopt(sk, SOL_TCP, TCP_CONGESTION, -- (void *)fallback, sizeof(fallback)); -- /* Expecting -ENOTSUPP for tcp_cdg_res */ -- tcp_cdg_res = bpf_setsockopt(sk, SOL_TCP, TCP_CONGESTION, -- (void *)tcp_cdg, sizeof(tcp_cdg)); -- bpf_getsockopt(sk, SOL_TCP, TCP_CONGESTION, -- (void *)cc_res, sizeof(cc_res)); -- return; -- } -- -- ca->prior_rcv_nxt = tp->rcv_nxt; -- ca->dctcp_alpha = min(dctcp_alpha_on_init, DCTCP_MAX_ALPHA); -- ca->loss_cwnd = 0; -- ca->ce_state = 0; -- -- stg = bpf_sk_storage_get(&sk_stg_map, (void *)tp, NULL, 0); -- if (stg) { -- stg_result = *stg; -- bpf_sk_storage_delete(&sk_stg_map, (void *)tp); -- } -- dctcp_reset(tp, ca); --} -- --SEC("struct_ops/dctcp_ssthresh") --__u32 BPF_PROG(dctcp_ssthresh, struct sock *sk) --{ -- struct dctcp *ca = inet_csk_ca(sk); -- struct tcp_sock *tp = tcp_sk(sk); -- -- ca->loss_cwnd = tp->snd_cwnd; -- return max(tp->snd_cwnd - ((tp->snd_cwnd * ca->dctcp_alpha) >> 11U), 2U); --} -- --SEC("struct_ops/dctcp_update_alpha") --void BPF_PROG(dctcp_update_alpha, struct sock *sk, __u32 flags) --{ -- const struct tcp_sock *tp = tcp_sk(sk); -- struct dctcp *ca = inet_csk_ca(sk); -- -- /* Expired RTT */ -- if (!before(tp->snd_una, ca->next_seq)) { -- __u32 delivered_ce = tp->delivered_ce - ca->old_delivered_ce; -- __u32 alpha = ca->dctcp_alpha; -- -- /* alpha = (1 - g) * alpha + g * F */ -- -- alpha -= min_not_zero(alpha, alpha >> dctcp_shift_g); -- if (delivered_ce) { -- __u32 delivered = tp->delivered - ca->old_delivered; -- -- /* If dctcp_shift_g == 1, a 32bit value would overflow -- * after 8 M packets. -- */ -- delivered_ce <<= (10 - dctcp_shift_g); -- delivered_ce /= max(1U, delivered); -- -- alpha = min(alpha + delivered_ce, DCTCP_MAX_ALPHA); -- } -- ca->dctcp_alpha = alpha; -- dctcp_reset(tp, ca); -- } --} -- --static __always_inline void dctcp_react_to_loss(struct sock *sk) --{ -- struct dctcp *ca = inet_csk_ca(sk); -- struct tcp_sock *tp = tcp_sk(sk); -- -- ca->loss_cwnd = tp->snd_cwnd; -- tp->snd_ssthresh = max(tp->snd_cwnd >> 1U, 2U); --} -- --SEC("struct_ops/dctcp_state") --void BPF_PROG(dctcp_state, struct sock *sk, __u8 new_state) --{ -- if (new_state == TCP_CA_Recovery && -- new_state != BPF_CORE_READ_BITFIELD(inet_csk(sk), icsk_ca_state)) -- dctcp_react_to_loss(sk); -- /* We handle RTO in dctcp_cwnd_event to ensure that we perform only -- * one loss-adjustment per RTT. -- */ --} -- --static __always_inline void dctcp_ece_ack_cwr(struct sock *sk, __u32 ce_state) --{ -- struct tcp_sock *tp = tcp_sk(sk); -- -- if (ce_state == 1) -- tp->ecn_flags |= TCP_ECN_DEMAND_CWR; -- else -- tp->ecn_flags &= ~TCP_ECN_DEMAND_CWR; --} -- --/* Minimal DCTP CE state machine: -- * -- * S: 0 <- last pkt was non-CE -- * 1 <- last pkt was CE -- */ --static __always_inline --void dctcp_ece_ack_update(struct sock *sk, enum tcp_ca_event evt, -- __u32 *prior_rcv_nxt, __u32 *ce_state) --{ -- __u32 new_ce_state = (evt == CA_EVENT_ECN_IS_CE) ? 1 : 0; -- -- if (*ce_state != new_ce_state) { -- /* CE state has changed, force an immediate ACK to -- * reflect the new CE state. If an ACK was delayed, -- * send that first to reflect the prior CE state. -- */ -- if (inet_csk(sk)->icsk_ack.pending & ICSK_ACK_TIMER) { -- dctcp_ece_ack_cwr(sk, *ce_state); -- bpf_tcp_send_ack(sk, *prior_rcv_nxt); -- } -- inet_csk(sk)->icsk_ack.pending |= ICSK_ACK_NOW; -- } -- *prior_rcv_nxt = tcp_sk(sk)->rcv_nxt; -- *ce_state = new_ce_state; -- dctcp_ece_ack_cwr(sk, new_ce_state); --} -- --SEC("struct_ops/dctcp_cwnd_event") --void BPF_PROG(dctcp_cwnd_event, struct sock *sk, enum tcp_ca_event ev) --{ -- struct dctcp *ca = inet_csk_ca(sk); -- -- switch (ev) { -- case CA_EVENT_ECN_IS_CE: -- case CA_EVENT_ECN_NO_CE: -- dctcp_ece_ack_update(sk, ev, &ca->prior_rcv_nxt, &ca->ce_state); -- break; -- case CA_EVENT_LOSS: -- dctcp_react_to_loss(sk); -- break; -- default: -- /* Don't care for the rest. */ -- break; -- } --} -- --SEC("struct_ops/dctcp_cwnd_undo") --__u32 BPF_PROG(dctcp_cwnd_undo, struct sock *sk) --{ -- const struct dctcp *ca = inet_csk_ca(sk); -- -- return max(tcp_sk(sk)->snd_cwnd, ca->loss_cwnd); --} -- --extern void tcp_reno_cong_avoid(struct sock *sk, __u32 ack, __u32 acked) __ksym; -- --SEC("struct_ops/dctcp_reno_cong_avoid") --void BPF_PROG(dctcp_cong_avoid, struct sock *sk, __u32 ack, __u32 acked) --{ -- tcp_reno_cong_avoid(sk, ack, acked); --} -- --SEC(".struct_ops") --struct tcp_congestion_ops dctcp_nouse = { -- .init = (void *)dctcp_init, -- .set_state = (void *)dctcp_state, -- .flags = TCP_CONG_NEEDS_ECN, -- .name = "bpf_dctcp_nouse", --}; -- --SEC(".struct_ops") --struct tcp_congestion_ops dctcp = { -- .init = (void *)dctcp_init, -- .in_ack_event = (void *)dctcp_update_alpha, -- .cwnd_event = (void *)dctcp_cwnd_event, -- .ssthresh = (void *)dctcp_ssthresh, -- .cong_avoid = (void *)dctcp_cong_avoid, -- .undo_cwnd = (void *)dctcp_cwnd_undo, -- .set_state = (void *)dctcp_state, -- .flags = TCP_CONG_NEEDS_ECN, -- .name = "bpf_dctcp", --}; -diff --git a/tools/testing/selftests/bpf/progs/kfunc_call_test.c b/tools/testing/selftests/bpf/progs/kfunc_call_test.c -deleted file mode 100644 -index 470f8723e463..000000000000 ---- a/tools/testing/selftests/bpf/progs/kfunc_call_test.c -+++ /dev/null -@@ -1,47 +0,0 @@ --// SPDX-License-Identifier: GPL-2.0 --/* Copyright (c) 2021 Facebook */ --#include <linux/bpf.h> --#include <bpf/bpf_helpers.h> --#include "bpf_tcp_helpers.h" -- --extern int bpf_kfunc_call_test2(struct sock *sk, __u32 a, __u32 b) __ksym; --extern __u64 bpf_kfunc_call_test1(struct sock *sk, __u32 a, __u64 b, -- __u32 c, __u64 d) __ksym; -- --SEC("classifier") --int kfunc_call_test2(struct __sk_buff *skb) --{ -- struct bpf_sock *sk = skb->sk; -- -- if (!sk) -- return -1; -- -- sk = bpf_sk_fullsock(sk); -- if (!sk) -- return -1; -- -- return bpf_kfunc_call_test2((struct sock *)sk, 1, 2); --} -- --SEC("classifier") --int kfunc_call_test1(struct __sk_buff *skb) --{ -- struct bpf_sock *sk = skb->sk; -- __u64 a = 1ULL << 32; -- __u32 ret; -- -- if (!sk) -- return -1; -- -- sk = bpf_sk_fullsock(sk); -- if (!sk) -- return -1; -- -- a = bpf_kfunc_call_test1((struct sock *)sk, 1, a | 2, 3, a | 4); -- ret = a >> 32; /* ret should be 2 */ -- ret += (__u32)a; /* ret should be 12 */ -- -- return ret; --} -- --char _license[] SEC("license") = "GPL"; -diff --git a/tools/testing/selftests/bpf/progs/kfunc_call_test_subprog.c b/tools/testing/selftests/bpf/progs/kfunc_call_test_subprog.c -deleted file mode 100644 -index 5fbd9e232d44..000000000000 ---- a/tools/testing/selftests/bpf/progs/kfunc_call_test_subprog.c -+++ /dev/null -@@ -1,42 +0,0 @@ --// SPDX-License-Identifier: GPL-2.0 --/* Copyright (c) 2021 Facebook */ --#include <linux/bpf.h> --#include <bpf/bpf_helpers.h> --#include "bpf_tcp_helpers.h" -- --extern const int bpf_prog_active __ksym; --extern __u64 bpf_kfunc_call_test1(struct sock *sk, __u32 a, __u64 b, -- __u32 c, __u64 d) __ksym; --extern struct sock *bpf_kfunc_call_test3(struct sock *sk) __ksym; --int active_res = -1; --int sk_state_res = -1; -- --int __noinline f1(struct __sk_buff *skb) --{ -- struct bpf_sock *sk = skb->sk; -- int *active; -- -- if (!sk) -- return -1; -- -- sk = bpf_sk_fullsock(sk); -- if (!sk) -- return -1; -- -- active = (int *)bpf_per_cpu_ptr(&bpf_prog_active, -- bpf_get_smp_processor_id()); -- if (active) -- active_res = *active; -- -- sk_state_res = bpf_kfunc_call_test3((struct sock *)sk)->sk_state; -- -- return (__u32)bpf_kfunc_call_test1((struct sock *)sk, 1, 2, 3, 4); --} -- --SEC("classifier") --int kfunc_call_test1(struct __sk_buff *skb) --{ -- return f1(skb); --} -- --char _license[] SEC("license") = "GPL"; -diff --git a/tools/testing/selftests/bpf/progs/linked_funcs1.c b/tools/testing/selftests/bpf/progs/linked_funcs1.c -deleted file mode 100644 -index b964ec1390c2..000000000000 ---- a/tools/testing/selftests/bpf/progs/linked_funcs1.c -+++ /dev/null -@@ -1,73 +0,0 @@ --// SPDX-License-Identifier: GPL-2.0 --/* Copyright (c) 2021 Facebook */ -- --#include "vmlinux.h" --#include <bpf/bpf_helpers.h> --#include <bpf/bpf_tracing.h> -- --/* weak and shared between two files */ --const volatile int my_tid __weak; --long syscall_id __weak; -- --int output_val1; --int output_ctx1; --int output_weak1; -- --/* same "subprog" name in all files, but it's ok because they all are static */ --static __noinline int subprog(int x) --{ -- /* but different formula */ -- return x * 1; --} -- --/* Global functions can't be void */ --int set_output_val1(int x) --{ -- output_val1 = x + subprog(x); -- return x; --} -- --/* This function can't be verified as global, as it assumes raw_tp/sys_enter -- * context and accesses syscall id (second argument). So we mark it as -- * __hidden, so that libbpf will mark it as static in the final object file, -- * right before verifying it in the kernel. -- * -- * But we don't mark it as __hidden here, rather at extern site. __hidden is -- * "contaminating" visibility, so it will get propagated from either extern or -- * actual definition (including from the losing __weak definition). -- */ --void set_output_ctx1(__u64 *ctx) --{ -- output_ctx1 = ctx[1]; /* long id, same as in BPF_PROG below */ --} -- --/* this weak instance should win because it's the first one */ --__weak int set_output_weak(int x) --{ -- output_weak1 = x; -- return x; --} -- --extern int set_output_val2(int x); -- --/* here we'll force set_output_ctx2() to be __hidden in the final obj file */ --__hidden extern void set_output_ctx2(__u64 *ctx); -- --SEC("raw_tp/sys_enter") --int BPF_PROG(handler1, struct pt_regs *regs, long id) --{ -- if (my_tid != (u32)bpf_get_current_pid_tgid() || id != syscall_id) -- return 0; -- -- set_output_val2(1000); -- set_output_ctx2(ctx); /* ctx definition is hidden in BPF_PROG macro */ -- -- /* keep input value the same across both files to avoid dependency on -- * handler call order; differentiate by output_weak1 vs output_weak2. -- */ -- set_output_weak(42); -- -- return 0; --} -- --char LICENSE[] SEC("license") = "GPL"; -diff --git a/tools/testing/selftests/bpf/progs/linked_funcs2.c b/tools/testing/selftests/bpf/progs/linked_funcs2.c -deleted file mode 100644 -index 575e958e60b7..000000000000 ---- a/tools/testing/selftests/bpf/progs/linked_funcs2.c -+++ /dev/null -@@ -1,73 +0,0 @@ --// SPDX-License-Identifier: GPL-2.0 --/* Copyright (c) 2021 Facebook */ -- --#include "vmlinux.h" --#include <bpf/bpf_helpers.h> --#include <bpf/bpf_tracing.h> -- --/* weak and shared between both files */ --const volatile int my_tid __weak; --long syscall_id __weak; -- --int output_val2; --int output_ctx2; --int output_weak2; /* should stay zero */ -- --/* same "subprog" name in all files, but it's ok because they all are static */ --static __noinline int subprog(int x) --{ -- /* but different formula */ -- return x * 2; --} -- --/* Global functions can't be void */ --int set_output_val2(int x) --{ -- output_val2 = 2 * x + 2 * subprog(x); -- return 2 * x; --} -- --/* This function can't be verified as global, as it assumes raw_tp/sys_enter -- * context and accesses syscall id (second argument). So we mark it as -- * __hidden, so that libbpf will mark it as static in the final object file, -- * right before verifying it in the kernel. -- * -- * But we don't mark it as __hidden here, rather at extern site. __hidden is -- * "contaminating" visibility, so it will get propagated from either extern or -- * actual definition (including from the losing __weak definition). -- */ --void set_output_ctx2(__u64 *ctx) --{ -- output_ctx2 = ctx[1]; /* long id, same as in BPF_PROG below */ --} -- --/* this weak instance should lose, because it will be processed second */ --__weak int set_output_weak(int x) --{ -- output_weak2 = x; -- return 2 * x; --} -- --extern int set_output_val1(int x); -- --/* here we'll force set_output_ctx1() to be __hidden in the final obj file */ --__hidden extern void set_output_ctx1(__u64 *ctx); -- --SEC("raw_tp/sys_enter") --int BPF_PROG(handler2, struct pt_regs *regs, long id) --{ -- if (my_tid != (u32)bpf_get_current_pid_tgid() || id != syscall_id) -- return 0; -- -- set_output_val1(2000); -- set_output_ctx1(ctx); /* ctx definition is hidden in BPF_PROG macro */ -- -- /* keep input value the same across both files to avoid dependency on -- * handler call order; differentiate by output_weak1 vs output_weak2. -- */ -- set_output_weak(42); -- -- return 0; --} -- --char LICENSE[] SEC("license") = "GPL"; -diff --git a/tools/testing/selftests/bpf/progs/linked_maps2.c b/tools/testing/selftests/bpf/progs/linked_maps2.c -deleted file mode 100644 -index 0693687474ed..000000000000 ---- a/tools/testing/selftests/bpf/progs/linked_maps2.c -+++ /dev/null -@@ -1,76 +0,0 @@ --// SPDX-License-Identifier: GPL-2.0 --/* Copyright (c) 2021 Facebook */ -- --#include "vmlinux.h" --#include <bpf/bpf_helpers.h> --#include <bpf/bpf_tracing.h> -- --/* modifiers and typedefs are ignored when comparing key/value types */ --typedef struct my_key { long x; } key_type; --typedef struct my_value { long x; } value_type; -- --extern struct { -- __uint(max_entries, 16); -- __type(key, key_type); -- __type(value, value_type); -- __uint(type, BPF_MAP_TYPE_HASH); --} map1 SEC(".maps"); -- --struct { -- __uint(type, BPF_MAP_TYPE_ARRAY); -- __type(key, int); -- __type(value, int); -- __uint(max_entries, 8); --} map2 SEC(".maps"); -- --/* this definition will lose, but it has to exactly match the winner */ --struct { -- __uint(type, BPF_MAP_TYPE_ARRAY); -- __type(key, int); -- __type(value, int); -- __uint(max_entries, 16); --} map_weak __weak SEC(".maps"); -- --int output_first2; --int output_second2; --int output_weak2; -- --SEC("raw_tp/sys_enter") --int BPF_PROG(handler_enter2) --{ -- /* update values with key = 2 */ -- int key = 2, val = 2; -- key_type key_struct = { .x = 2 }; -- value_type val_struct = { .x = 2000 }; -- -- bpf_map_update_elem(&map1, &key_struct, &val_struct, 0); -- bpf_map_update_elem(&map2, &key, &val, 0); -- bpf_map_update_elem(&map_weak, &key, &val, 0); -- -- return 0; --} -- --SEC("raw_tp/sys_exit") --int BPF_PROG(handler_exit2) --{ -- /* lookup values with key = 1, set in another file */ -- int key = 1, *val; -- key_type key_struct = { .x = 1 }; -- value_type *value_struct; -- -- value_struct = bpf_map_lookup_elem(&map1, &key_struct); -- if (value_struct) -- output_first2 = value_struct->x; -- -- val = bpf_map_lookup_elem(&map2, &key); -- if (val) -- output_second2 = *val; -- -- val = bpf_map_lookup_elem(&map_weak, &key); -- if (val) -- output_weak2 = *val; -- -- return 0; --} -- --char LICENSE[] SEC("license") = "GPL"; -diff --git a/tools/testing/selftests/bpf/progs/linked_vars1.c b/tools/testing/selftests/bpf/progs/linked_vars1.c -deleted file mode 100644 -index ef9e9d0bb0ca..000000000000 ---- a/tools/testing/selftests/bpf/progs/linked_vars1.c -+++ /dev/null -@@ -1,54 +0,0 @@ --// SPDX-License-Identifier: GPL-2.0 --/* Copyright (c) 2021 Facebook */ -- --#include "vmlinux.h" --#include <bpf/bpf_helpers.h> --#include <bpf/bpf_tracing.h> -- --extern int LINUX_KERNEL_VERSION __kconfig; --/* this weak extern will be strict due to the other file's strong extern */ --extern bool CONFIG_BPF_SYSCALL __kconfig __weak; --extern const void bpf_link_fops __ksym __weak; -- --int input_bss1; --int input_data1 = 1; --const volatile int input_rodata1 = 11; -- --int input_bss_weak __weak; --/* these two definitions should win */ --int input_data_weak __weak = 10; --const volatile int input_rodata_weak __weak = 100; -- --extern int input_bss2; --extern int input_data2; --extern const int input_rodata2; -- --int output_bss1; --int output_data1; --int output_rodata1; -- --long output_sink1; -- --static __noinline int get_bss_res(void) --{ -- /* just make sure all the relocations work against .text as well */ -- return input_bss1 + input_bss2 + input_bss_weak; --} -- --SEC("raw_tp/sys_enter") --int BPF_PROG(handler1) --{ -- output_bss1 = get_bss_res(); -- output_data1 = input_data1 + input_data2 + input_data_weak; -- output_rodata1 = input_rodata1 + input_rodata2 + input_rodata_weak; -- -- /* make sure we actually use above special externs, otherwise compiler -- * will optimize them out -- */ -- output_sink1 = LINUX_KERNEL_VERSION -- + CONFIG_BPF_SYSCALL -- + (long)&bpf_link_fops; -- return 0; --} -- --char LICENSE[] SEC("license") = "GPL"; -diff --git a/tools/testing/selftests/bpf/progs/linked_vars2.c b/tools/testing/selftests/bpf/progs/linked_vars2.c -deleted file mode 100644 -index e4f5bd388a3c..000000000000 ---- a/tools/testing/selftests/bpf/progs/linked_vars2.c -+++ /dev/null -@@ -1,55 +0,0 @@ --// SPDX-License-Identifier: GPL-2.0 --/* Copyright (c) 2021 Facebook */ -- --#include "vmlinux.h" --#include <bpf/bpf_helpers.h> --#include <bpf/bpf_tracing.h> -- --extern int LINUX_KERNEL_VERSION __kconfig; --/* when an extern is defined as both strong and weak, resulting symbol will be strong */ --extern bool CONFIG_BPF_SYSCALL __kconfig; --extern const void __start_BTF __ksym; -- --int input_bss2; --int input_data2 = 2; --const volatile int input_rodata2 = 22; -- --int input_bss_weak __weak; --/* these two weak variables should lose */ --int input_data_weak __weak = 20; --const volatile int input_rodata_weak __weak = 200; -- --extern int input_bss1; --extern int input_data1; --extern const int input_rodata1; -- --int output_bss2; --int output_data2; --int output_rodata2; -- --int output_sink2; -- --static __noinline int get_data_res(void) --{ -- /* just make sure all the relocations work against .text as well */ -- return input_data1 + input_data2 + input_data_weak; --} -- --SEC("raw_tp/sys_enter") --int BPF_PROG(handler2) --{ -- output_bss2 = input_bss1 + input_bss2 + input_bss_weak; -- output_data2 = get_data_res(); -- output_rodata2 = input_rodata1 + input_rodata2 + input_rodata_weak; -- -- /* make sure we actually use above special externs, otherwise compiler -- * will optimize them out -- */ -- output_sink2 = LINUX_KERNEL_VERSION -- + CONFIG_BPF_SYSCALL -- + (long)&__start_BTF; -- -- return 0; --} -- --char LICENSE[] SEC("license") = "GPL"; @@ -1,3 +1,3 @@ -SHA512 (linux-5.15-rc6.tar.xz) = 04671e42f2a5fc1c3c31a4a7d808b53f99ac9712a753c498a97150ff3b74becba13c75a0b99066f459d84bdda1d3372eb2703d913ce0ac35e48e6bdadecb9f18 -SHA512 (kernel-abi-stablelists-5.15.0-0.rc6.47.tar.bz2) = 01317b052d6024907eed74bc6e4543ad8fe2dc3ccc08097d34eeaa6ccc747ef2d6ac119b8939ab9602826b1081f6b50b3624193d9039d9a73e3f2d56fbb9f973 -SHA512 (kernel-kabi-dw-5.15.0-0.rc6.47.tar.bz2) = b0a77f19a3d9938073300eeec99c7d74be2772860f841b04f8e9c2859c040e4261494450954dd6f6c797530230db8cd2c59151cb321412c72b8f4bb067280c1d +SHA512 (linux-5.15-rc6-70-g2f111a6fd5b5.tar.xz) = 5db7d928723586318dae76872fcf80f613926d1c43e1f11c7710d19606950974305455c37810bd02c2141ac07dccd8ed6781d054425dd46172f8a99b1acb134d +SHA512 (kernel-abi-stablelists-5.15.0-0.rc6.20211021git2f111a6fd5b5.49.tar.bz2) = 114a766191643d9cb774f5b83cfa426245f1919bcddaf368bdfcd65ac9ee4e7b257bfe5285c6276f91f16f9d8f6421b72fe51ca17e02db1437f0541f55522c55 +SHA512 (kernel-kabi-dw-5.15.0-0.rc6.20211021git2f111a6fd5b5.49.tar.bz2) = a7f6181e7bcc54ca257d6ba7673d829497c63e882a046554c66c73e193ca243bc9cdd25c5ab6396a44dc08ad0ef2b11d26127125a013acddce25ed8c546a219a |