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authorLinus Torvalds <torvalds@linux-foundation.org>2019-10-12 23:46:14 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2019-10-12 23:46:14 +0200
commitfcb45a28489c981bcdab510a838fcac5c21c07e2 (patch)
tree773f81c837b86ccaad9333a63ededfc51cd10545 /arch/x86/lib
parentMerge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/ke... (diff)
parentx86/cpu: Add Comet Lake to the Intel CPU models header (diff)
downloadlinux-fcb45a28489c981bcdab510a838fcac5c21c07e2.tar.xz
linux-fcb45a28489c981bcdab510a838fcac5c21c07e2.zip
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 'arch/x86/lib')
-rw-r--r--arch/x86/lib/delay.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/lib/delay.c b/arch/x86/lib/delay.c
index b7375dc6898f..c126571e5e2e 100644
--- a/arch/x86/lib/delay.c
+++ b/arch/x86/lib/delay.c
@@ -113,8 +113,8 @@ static void delay_mwaitx(unsigned long __loops)
__monitorx(raw_cpu_ptr(&cpu_tss_rw), 0, 0);
/*
- * AMD, like Intel, supports the EAX hint and EAX=0xf
- * means, do not enter any deep C-state and we use it
+ * AMD, like Intel's MWAIT version, supports the EAX hint and
+ * EAX=0xf0 means, do not enter any deep C-state and we use it
* here in delay() to minimize wakeup latency.
*/
__mwaitx(MWAITX_DISABLE_CSTATES, delay, MWAITX_ECX_TIMER_ENABLE);