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Kernel Concurrency Sanitizer (KCSAN) updates for v7.2

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- Silence -Wmaybe-uninitialized when calling __kcsan_check_access()
 
 This change has had 6 weeks of linux-next exposure.
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Merge tag 'kcsan-20260612-v7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/melver/linux

Pull KCSAN update from Marco Elver:

 - Silence -Wmaybe-uninitialized when calling __kcsan_check_access()

* tag 'kcsan-20260612-v7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/melver/linux:
  kcsan: Silence -Wmaybe-uninitialized when calling __kcsan_check_access()
This commit is contained in:
Linus Torvalds 2026-06-15 08:56:31 +05:30
commit 95e56f0f29
1 changed files with 3 additions and 3 deletions
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6
include/linux/kcsan-checks.h
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@ -282,7 +282,7 @@ static inline void __kcsan_disable_current(void) { }
* @size: size of access
*/
#define __kcsan_check_write(ptr, size) \
__kcsan_check_access(ptr, size, KCSAN_ACCESS_WRITE)
__kcsan_check_access(absolute_pointer(ptr), size, KCSAN_ACCESS_WRITE)
/**
* __kcsan_check_read_write - check regular read-write access for races
@ -308,7 +308,7 @@ static inline void __kcsan_disable_current(void) { }
* @size: size of access
*/
#define kcsan_check_write(ptr, size) \
kcsan_check_access(ptr, size, KCSAN_ACCESS_WRITE)
kcsan_check_access(absolute_pointer(ptr), size, KCSAN_ACCESS_WRITE)
/**
* kcsan_check_read_write - check regular read-write access for races
@ -331,7 +331,7 @@ static inline void __kcsan_disable_current(void) { }
#define kcsan_check_atomic_read(ptr, size) \
kcsan_check_access(ptr, size, KCSAN_ACCESS_ATOMIC)
#define kcsan_check_atomic_write(ptr, size) \
kcsan_check_access(ptr, size, KCSAN_ACCESS_ATOMIC | KCSAN_ACCESS_WRITE)
kcsan_check_access(absolute_pointer(ptr), size, KCSAN_ACCESS_ATOMIC | KCSAN_ACCESS_WRITE)
#define kcsan_check_atomic_read_write(ptr, size) \
kcsan_check_access(ptr, size, KCSAN_ACCESS_ATOMIC | KCSAN_ACCESS_WRITE | KCSAN_ACCESS_COMPOUND)
#endif