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| author | Tiejun Chen <tiejun.chen@intel.com> | 2014-10-11 03:19:54 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2014-11-03 12:07:27 +0100 |
| commit | 91690bf32ee12a85caf497ec01cfb47c0b298bac (patch) | |
| tree | 1522322ff6252ece816cce64ee5d01058cd7036c /Documentation/virtual | |
| parent | KVM: vmx: Unavailable DR4/5 is checked before CPL (diff) | |
| download | linux-91690bf32ee12a85caf497ec01cfb47c0b298bac.tar.xz linux-91690bf32ee12a85caf497ec01cfb47c0b298bac.zip | |
Documentation: virtual: kvm: correct one bit description in APF case
When commit 6adba5274206 (KVM: Let host know whether the guest can
handle async PF in non-userspace context.) is introduced, actually
bit 2 still is reserved and should be zero. Instead, bit 1 is 1 to
indicate if asynchronous page faults can be injected when vcpu is
in cpl == 0, and also please see this,
in the file kvm_para.h, #define KVM_ASYNC_PF_SEND_ALWAYS (1 << 1).
Signed-off-by: Tiejun Chen <tiejun.chen@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'Documentation/virtual')
| -rw-r--r-- | Documentation/virtual/kvm/msr.txt | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/virtual/kvm/msr.txt b/Documentation/virtual/kvm/msr.txt index 6d470ae7b073..2a71c8f29f68 100644 --- a/Documentation/virtual/kvm/msr.txt +++ b/Documentation/virtual/kvm/msr.txt @@ -168,7 +168,7 @@ MSR_KVM_ASYNC_PF_EN: 0x4b564d02 64 byte memory area which must be in guest RAM and must be zeroed. Bits 5-2 are reserved and should be zero. Bit 0 is 1 when asynchronous page faults are enabled on the vcpu 0 when - disabled. Bit 2 is 1 if asynchronous page faults can be injected + disabled. Bit 1 is 1 if asynchronous page faults can be injected when vcpu is in cpl == 0. First 4 byte of 64 byte memory location will be written to by |