| Message ID | 1412990394-7948-1-git-send-email-tiejun.chen@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Il 11/10/2014 03:19, Tiejun Chen ha scritto: > 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> > --- > Documentation/virtual/kvm/msr.txt | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/Documentation/virtual/kvm/msr.txt b/Documentation/virtual/kvm/msr.txt > index 6d470ae..2a71c8f 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 > Thanks, applying locally. Paolo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/virtual/kvm/msr.txt b/Documentation/virtual/kvm/msr.txt index 6d470ae..2a71c8f 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
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> --- Documentation/virtual/kvm/msr.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)