Re: [PATCH] KVM: x86: obey KVM_X86_QUIRK_CD_NW_CLEARED in kvm_set_cr0()

2015-11-04 Thread Paolo Bonzini
On 03/11/2015 19:34, Laszlo Ersek wrote: > Commit b18d5431acc7 ("KVM: x86: fix CR0.CD virtualization") was > technically correct, but it broke OVMF guests by slowing down various > parts of the firmware. > > Commit fb279950ba02 ("KVM: vmx: obey KVM_QUIRK_CD_NW_CLEARED") quirked the > first

Re: [PATCH] KVM: x86: obey KVM_X86_QUIRK_CD_NW_CLEARED in kvm_set_cr0()

2015-11-03 Thread Laszlo Ersek
On 11/03/15 19:34, Laszlo Ersek wrote: > Commit b18d5431acc7 ("KVM: x86: fix CR0.CD virtualization") was > technically correct, but it broke OVMF guests by slowing down various > parts of the firmware. > > Commit fb279950ba02 ("KVM: vmx: obey KVM_QUIRK_CD_NW_CLEARED") quirked the > first function

Re: [PATCH] KVM: x86: obey KVM_X86_QUIRK_CD_NW_CLEARED in kvm_set_cr0()

2015-11-03 Thread Janusz Mocek
W dniu 03.11.2015 o 19:57, Laszlo Ersek pisze: > On 11/03/15 19:34, Laszlo Ersek wrote: >> Commit b18d5431acc7 ("KVM: x86: fix CR0.CD virtualization") was >> technically correct, but it broke OVMF guests by slowing down various >> parts of the firmware. >> >> Commit fb279950ba02 ("KVM: vmx: obey

Re: [PATCH] KVM: x86: obey KVM_X86_QUIRK_CD_NW_CLEARED in kvm_set_cr0()

2015-11-03 Thread Xiao Guangrong
On 11/04/2015 02:34 AM, Laszlo Ersek wrote: Commit b18d5431acc7 ("KVM: x86: fix CR0.CD virtualization") was technically correct, but it broke OVMF guests by slowing down various parts of the firmware. Commit fb279950ba02 ("KVM: vmx: obey KVM_QUIRK_CD_NW_CLEARED") quirked the first function