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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-05-05 14:26:11 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-05-05 14:26:11 -0700 |
| commit | 13369e831173251e2bc3bc2a78f67c387e8d9609 (patch) | |
| tree | 808ee4905d77f516403baaa9fd461a4b2bcceaf3 /arch | |
| parent | 51987affd626b8e4ce9f4c65e1950cb9159f0f58 (diff) | |
| parent | b51ce3744f115850166f3d6c292b9c8cb849ad4f (diff) | |
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fix from Ingo Molnar:
"Disable function tracing during early SME setup to fix a boot crash on
SME-enabled kernels running distro kernels (some of which have
function tracing enabled)"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm/mem_encrypt: Disable all instrumentation for early SME setup
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/lib/Makefile | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile index 140e61843a07..3cb3af51ec89 100644 --- a/arch/x86/lib/Makefile +++ b/arch/x86/lib/Makefile @@ -6,6 +6,18 @@ # Produces uninteresting flaky coverage. KCOV_INSTRUMENT_delay.o := n +# Early boot use of cmdline; don't instrument it +ifdef CONFIG_AMD_MEM_ENCRYPT +KCOV_INSTRUMENT_cmdline.o := n +KASAN_SANITIZE_cmdline.o := n + +ifdef CONFIG_FUNCTION_TRACER +CFLAGS_REMOVE_cmdline.o = -pg +endif + +CFLAGS_cmdline.o := $(call cc-option, -fno-stack-protector) +endif + inat_tables_script = $(srctree)/arch/x86/tools/gen-insn-attr-x86.awk inat_tables_maps = $(srctree)/arch/x86/lib/x86-opcode-map.txt quiet_cmd_inat_tables = GEN $@ |