Jan Beulich
2013-Apr-26 13:35 UTC
[PATCH] x86/EFI: fix runtime call status for compat mode Dom0
The top two bits (indicating error/warning classification) need to remain the top two bits. Signed-off-by: Jan Beulich <jbeulich@suse.com> --- a/xen/arch/x86/efi/runtime.c +++ b/xen/arch/x86/efi/runtime.c @@ -531,7 +531,7 @@ int efi_runtime_call(struct xenpf_efi_ru #ifndef COMPAT op->status = status; #else - op->status = (status & 0x3fffffff) | (status >> 62); + op->status = (status & 0x3fffffff) | ((status >> 32) & 0xc0000000); #endif return rc; _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
Keir Fraser
2013-Apr-26 14:16 UTC
Re: [PATCH] x86/EFI: fix runtime call status for compat mode Dom0
On 26/04/2013 14:35, "Jan Beulich" <JBeulich@suse.com> wrote:> The top two bits (indicating error/warning classification) need to > remain the top two bits. > > Signed-off-by: Jan Beulich <jbeulich@suse.com>Acked-by: Keir Fraser <keir@xen.org>> --- a/xen/arch/x86/efi/runtime.c > +++ b/xen/arch/x86/efi/runtime.c > @@ -531,7 +531,7 @@ int efi_runtime_call(struct xenpf_efi_ru > #ifndef COMPAT > op->status = status; > #else > - op->status = (status & 0x3fffffff) | (status >> 62); > + op->status = (status & 0x3fffffff) | ((status >> 32) & 0xc0000000); > #endif > > return rc; > > > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xen.org > http://lists.xen.org/xen-devel