diff options
| author | Jiri Slaby <[email protected]> | 2018-05-18 08:47:13 +0200 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2018-06-21 16:34:56 +0200 |
| commit | 6415b38bae2641ab6e173ffa4ff6a453b60ba99b (patch) | |
| tree | 562da27c9fbe235820175a5292100ec7b0196ca0 | |
| parent | d31a580266eeb1f355df90fde8a71f480e30ad70 (diff) | |
x86/stacktrace: Enable HAVE_RELIABLE_STACKTRACE for the ORC unwinder
In SUSE, we need a reliable stack unwinder for kernel live patching, but
we do not want to enable frame pointers for performance reasons. So
after the previous patches to make the ORC reliable, mark ORC as a
reliable stack unwinder on x86.
Signed-off-by: Jiri Slaby <[email protected]>
Acked-by: Josh Poimboeuf <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Brian Gerst <[email protected]>
Cc: Denys Vlasenko <[email protected]>
Cc: H. Peter Anvin <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Link: https://lkml.kernel.org/lkml/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
| -rw-r--r-- | arch/x86/Kconfig | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index f1dbb4ee19d7..c4d64b19acff 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -180,7 +180,7 @@ config X86 select HAVE_PERF_USER_STACK_DUMP select HAVE_RCU_TABLE_FREE select HAVE_REGS_AND_STACK_ACCESS_API - select HAVE_RELIABLE_STACKTRACE if X86_64 && UNWINDER_FRAME_POINTER && STACK_VALIDATION + select HAVE_RELIABLE_STACKTRACE if X86_64 && (UNWINDER_FRAME_POINTER || UNWINDER_ORC) && STACK_VALIDATION select HAVE_STACKPROTECTOR if CC_HAS_SANE_STACKPROTECTOR select HAVE_STACK_VALIDATION if X86_64 select HAVE_RSEQ |