The following commit has been merged into the x86/urgent branch of tip: Commit-ID: b6540de9b5c867b4c8bc31225db181cc017d8cc7 Gitweb: https://git.kernel.org/tip/b6540de9b5c867b4c8bc31225db181cc017d8cc7 Author: Uros Bizjak <ubizjak@xxxxxxxxx> AuthorDate: Mon, 25 Mar 2024 12:01:09 +01:00 Committer: Ingo Molnar <mingo@xxxxxxxxxx> CommitterDate: Mon, 25 Mar 2024 12:17:01 +01:00 x86/percpu: Disable named address spaces for KCSAN -fsanitize=thread (KCSAN) is at the moment incompatible with named address spaces in a similar way as KASAN - see GCC PR sanitizer/111736: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111736 The patch disables named address spaces with KCSAN. Reported-by: kernel test robot <oliver.sang@xxxxxxxxx> Signed-off-by: Uros Bizjak <ubizjak@xxxxxxxxx> Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20240325110128.615933-1-ubizjak@xxxxxxxxx --- arch/x86/Kconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 39886ba..4fff6ed 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -2439,6 +2439,8 @@ config USE_X86_SEG_SUPPORT # with named address spaces - see GCC PR sanitizer/111736. # depends on !KASAN + # -fsanitize=thread (KCSAN) is also incompatible. + depends on !KCSAN config CC_HAS_SLS def_bool $(cc-option,-mharden-sls=all)
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