| Message ID | 4DEE2259.7080009@cn.fujitsu.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 06/07/2011 04:06 PM, Xiao Guangrong wrote: > Modify the default value to identify nontrap shadow pte and mmio shadow pte > whill will be introduced in later patch > > Signed-off-by: Xiao Guangrong<xiaoguangrong@cn.fujitsu.com> > --- > arch/x86/kvm/vmx.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c > index 20dbf7f..8c3d343 100644 > --- a/arch/x86/kvm/vmx.c > +++ b/arch/x86/kvm/vmx.c > @@ -7110,7 +7110,7 @@ static int __init vmx_init(void) > kvm_disable_tdp(); > > if (bypass_guest_pf) > - kvm_mmu_set_nonpresent_ptes(~0xffeull, 0ull); > + kvm_mmu_set_nonpresent_ptes(0xfull<< 49 | 1ull, 0ull); > This can break on newer processors (well, so can the original, but the new one will break earlier).
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 20dbf7f..8c3d343 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -7110,7 +7110,7 @@ static int __init vmx_init(void) kvm_disable_tdp(); if (bypass_guest_pf) - kvm_mmu_set_nonpresent_ptes(~0xffeull, 0ull); + kvm_mmu_set_nonpresent_ptes(0xfull << 49 | 1ull, 0ull); return 0;
Modify the default value to identify nontrap shadow pte and mmio shadow pte whill will be introduced in later patch Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> --- arch/x86/kvm/vmx.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)