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authorLinus Torvalds <torvalds@linux-foundation.org>2019-10-12 14:46:14 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-10-12 14:46:14 -0700
commitfcb45a28489c981bcdab510a838fcac5c21c07e2 (patch)
tree773f81c837b86ccaad9333a63ededfc51cd10545 /lib
parente9ec3588a9372dfb9b04afcddb199ad9e2be0044 (diff)
parent8d7c6ac3b2371eb1cbc9925a88f4d10efff374de (diff)
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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')
-rw-r--r--lib/string.c21
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