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authorJonathan Corbet <corbet@lwn.net>2019-07-22 22:42:10 +0300
committerJonathan Corbet <corbet@lwn.net>2019-07-22 22:42:10 +0300
commite27a24210aa17b8a0cd462865130fe73afd7e001 (patch)
treeb2d7b8311d280244fad3166792e8f447081a8bc9 /Documentation/virtual/kvm/msr.txt
parent224d5fd43d250f850d64fb6d668114aff29d7022 (diff)
parent5f9e832c137075045d15cd6899ab0505cfb2ca4b (diff)
downloadlinux-e27a24210aa17b8a0cd462865130fe73afd7e001.tar.xz
Merge tag 'v5.3-rc1' into docs-next
Pull in all of the massive docs changes from elsewhere.
Diffstat (limited to 'Documentation/virtual/kvm/msr.txt')
-rw-r--r--Documentation/virtual/kvm/msr.txt9
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/virtual/kvm/msr.txt b/Documentation/virtual/kvm/msr.txt
index f3f0d57ced8e..df1f4338b3ca 100644
--- a/Documentation/virtual/kvm/msr.txt
+++ b/Documentation/virtual/kvm/msr.txt
@@ -273,3 +273,12 @@ MSR_KVM_EOI_EN: 0x4b564d04
guest must both read the least significant bit in the memory area and
clear it using a single CPU instruction, such as test and clear, or
compare and exchange.
+
+MSR_KVM_POLL_CONTROL: 0x4b564d05
+ Control host-side polling.
+
+ data: Bit 0 enables (1) or disables (0) host-side HLT polling logic.
+
+ KVM guests can request the host not to poll on HLT, for example if
+ they are performing polling themselves.
+