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authorLinus Torvalds <torvalds@linux-foundation.org>2017-02-21 01:37:08 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-21 01:37:08 +0300
commit8a9365a4725a4d6265a416dd63bff937e300308e (patch)
treeaf92e88d6e8d976080674d411850695f48d0f261 /Documentation
parent2891e8e66787a6a5dadad017d1c8a8f23d8658af (diff)
parent3bba73b1b7a88d88c3ea16b7914c13d475e4a87b (diff)
downloadlinux-8a9365a4725a4d6265a416dd63bff937e300308e.tar.xz
Merge branch 'x86-cpufeature-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cpufeature updates from Ingo Molnar: "The main changes in this cycle were related to enable ring-3 MONITOR/MWAIT instructions support on supported CPUs, by Grzegorz Andrejczuk and Piotr Luc" * 'x86-cpufeature-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/cpufeature: Move RING3MWAIT feature to avoid conflicts x86/cpufeature: Enable RING3MWAIT for Knights Mill x86/cpufeature: Enable RING3MWAIT for Knights Landing x86/cpufeature: Add RING3MWAIT to CPU features x86/elf: Add HWCAP2 to expose ring 3 MONITOR/MWAIT x86/msr: Add MSR_MISC_FEATURE_ENABLES and RING3MWAIT bit x86/cpufeature: Add AVX512_VPOPCNTDQ feature
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/admin-guide/kernel-parameters.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 10d86d938a23..635d11135090 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -3561,6 +3561,10 @@
rhash_entries= [KNL,NET]
Set number of hash buckets for route cache
+ ring3mwait=disable
+ [KNL] Disable ring 3 MONITOR/MWAIT feature on supported
+ CPUs.
+
ro [KNL] Mount root device read-only on boot
rodata= [KNL]