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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-04-02 14:52:12 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-04-02 14:52:12 -0700 |
| commit | f14a9532ee30c68a56ff502c382860f674cc180c (patch) | |
| tree | f3dffe4eb036db6a0a3d2de77bc00d8fcf63f534 /arch | |
| parent | 7f218319caaaf6f2a43b22d8c82b898f32b4ec70 (diff) | |
| parent | 1651e700664b4597ddf4f8adfe435252a0d11277 (diff) | |
| download | lwn-f14a9532ee30c68a56ff502c382860f674cc180c.tar.gz lwn-f14a9532ee30c68a56ff502c382860f674cc180c.zip | |
Merge tag 'x86-urgent-2020-04-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fix from Ingo Molnar:
"A single fix addressing Sparse warnings. <asm/bitops.h> is changed
non-trivially to avoid the warnings, but generated code is not
supposed to be affected"
* tag 'x86-urgent-2020-04-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86: Fix bitops.h warning with a moved cast
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/include/asm/bitops.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h index 062cdecb2f24..53f246e9df5a 100644 --- a/arch/x86/include/asm/bitops.h +++ b/arch/x86/include/asm/bitops.h @@ -54,7 +54,7 @@ arch_set_bit(long nr, volatile unsigned long *addr) if (__builtin_constant_p(nr)) { asm volatile(LOCK_PREFIX "orb %1,%0" : CONST_MASK_ADDR(nr, addr) - : "iq" ((u8)CONST_MASK(nr)) + : "iq" (CONST_MASK(nr) & 0xff) : "memory"); } else { asm volatile(LOCK_PREFIX __ASM_SIZE(bts) " %1,%0" @@ -74,7 +74,7 @@ arch_clear_bit(long nr, volatile unsigned long *addr) if (__builtin_constant_p(nr)) { asm volatile(LOCK_PREFIX "andb %1,%0" : CONST_MASK_ADDR(nr, addr) - : "iq" ((u8)~CONST_MASK(nr))); + : "iq" (CONST_MASK(nr) ^ 0xff)); } else { asm volatile(LOCK_PREFIX __ASM_SIZE(btr) " %1,%0" : : RLONG_ADDR(addr), "Ir" (nr) : "memory"); |