Commit b6540de9 authored by Uros Bizjak's avatar Uros Bizjak Committed by Ingo Molnar
Browse files

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: default avatarkernel test robot <oliver.sang@intel.com>
Signed-off-by: default avatarUros Bizjak <ubizjak@gmail.com>
Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/20240325110128.615933-1-ubizjak@gmail.com
parent c567f294

arch/x86/Kconfig

+2 −0
Original line number Diff line number Diff line
@@ -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)