Re: [Xen-devel] [PATCH 6/9] x86/HVM: relax shadow mode check in hvm_set_cr3()

2019-09-12 Thread Roger Pau Monné
On Wed, Sep 11, 2019 at 05:25:18PM +0200, Jan Beulich wrote: > There's no need to re-obtain a page reference if only bits not affecting > the address change. > > Signed-off-by: Jan Beulich Reviewed-by: Roger Pau Monné Thanks, Roger. ___ Xen-devel ma

[Xen-devel] [PATCH 6/9] x86/HVM: relax shadow mode check in hvm_set_cr3()

2019-09-11 Thread Jan Beulich
There's no need to re-obtain a page reference if only bits not affecting the address change. Signed-off-by: Jan Beulich --- a/xen/arch/x86/hvm/hvm.c +++ b/xen/arch/x86/hvm/hvm.c @@ -2326,7 +2326,7 @@ int hvm_set_cr3(unsigned long value, boo } if ( hvm_paging_enabled(v) && !paging_mod

[Xen-devel] [PATCH 6/9] x86/HVM: relax shadow mode check in hvm_set_cr3()

2019-05-02 Thread Jan Beulich
There's no need to re-obtain a page reference if only bits not affecting the address change. Signed-off-by: Jan Beulich --- a/xen/arch/x86/hvm/hvm.c +++ b/xen/arch/x86/hvm/hvm.c @@ -2320,7 +2320,7 @@ int hvm_set_cr3(unsigned long value, boo } if ( hvm_paging_enabled(v) && !paging_mod