locking/refcounts, x86/asm: Enable CONFIG_ARCH_HAS_REFCOUNT

With the section inlining bug fixed for the x86 refcount protection,
we can turn the config back on.

Signed-off-by: Kees Cook <[email protected]>
Cc: Ard Biesheuvel <[email protected]>
Cc: Elena <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Mike Galbraith <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: linux-arch <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Kees Cook 2017-09-02 13:09:46 -07:00 • committed by Ingo Molnar
commit 39208aa7ec

View file

@ -55,7 +55,7 @@ config X86
select ARCH_HAS_KCOV if X86_64
select ARCH_HAS_PMEM_API if X86_64
# Causing hangs/crashes, see the commit that added this change for details.
select ARCH_HAS_REFCOUNT if BROKEN
select ARCH_HAS_REFCOUNT
select ARCH_HAS_UACCESS_FLUSHCACHE if X86_64
select ARCH_HAS_SET_MEMORY
select ARCH_HAS_SG_CHAIN