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author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-10-12 14:46:14 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-10-12 14:46:14 -0700 |
commit | fcb45a28489c981bcdab510a838fcac5c21c07e2 (patch) | |
tree | 773f81c837b86ccaad9333a63ededfc51cd10545 /lib/string.c | |
parent | e9ec3588a9372dfb9b04afcddb199ad9e2be0044 (diff) | |
parent | 8d7c6ac3b2371eb1cbc9925a88f4d10efff374de (diff) | |
download | linux-fcb45a28489c981bcdab510a838fcac5c21c07e2.tar.bz2 |
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
"A handful of fixes: a kexec linking fix, an AMD MWAITX fix, a vmware
guest support fix when built under Clang, and new CPU model number
definitions"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/cpu: Add Comet Lake to the Intel CPU models header
lib/string: Make memzero_explicit() inline instead of external
x86/cpu/vmware: Use the full form of INL in VMWARE_PORT
x86/asm: Fix MWAITX C-state hint value
Diffstat (limited to 'lib/string.c')
-rw-r--r-- | lib/string.c | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/lib/string.c b/lib/string.c index cd7a10c19210..08ec58cc673b 100644 --- a/lib/string.c +++ b/lib/string.c @@ -748,27 +748,6 @@ void *memset(void *s, int c, size_t count) EXPORT_SYMBOL(memset); #endif -/** - * memzero_explicit - Fill a region of memory (e.g. sensitive - * keying data) with 0s. - * @s: Pointer to the start of the area. - * @count: The size of the area. - * - * Note: usually using memset() is just fine (!), but in cases - * where clearing out _local_ data at the end of a scope is - * necessary, memzero_explicit() should be used instead in - * order to prevent the compiler from optimising away zeroing. - * - * memzero_explicit() doesn't need an arch-specific version as - * it just invokes the one of memset() implicitly. - */ -void memzero_explicit(void *s, size_t count) -{ - memset(s, 0, count); - barrier_data(s); -} -EXPORT_SYMBOL(memzero_explicit); - #ifndef __HAVE_ARCH_MEMSET16 /** * memset16() - Fill a memory area with a uint16_t |