Re: [PATCH 4/7] efi: Convert efi_call_virt to efi_call_virt_pointer

From: Mark Rutland
Date: Mon Jun 27 2016 - 07:23:09 EST


On Mon, Jun 27, 2016 at 01:00:50PM +0200, Ingo Molnar wrote:
>
> * Matt Fleming <matt@xxxxxxxxxxxxxxxxxxx> wrote:
>
> > +#define efi_call_virt_pointer(p, f, args...) \
> > +({ \
> > + efi_status_t __s; \
> > + unsigned long flags; \
> > + \
> > + arch_efi_call_virt_setup(); \
> > + \
> > + local_save_flags(flags); \
> > + __s = arch_efi_call_virt(p, f, args); \
> > + efi_call_virt_check_flags(flags, __stringify(f)); \
> > + \
> > + arch_efi_call_virt_teardown(); \
> > + \
> > + __s; \
> > +})
> > +
> > +#define __efi_call_virt_pointer(p, f, args...) \
> > +({ \
> > + unsigned long flags; \
> > + \
> > + arch_efi_call_virt_setup(); \
> > + \
> > + local_save_flags(flags); \
> > + arch_efi_call_virt(p, f, args); \
> > + efi_call_virt_check_flags(flags, __stringify(f)); \
> > + \
> > + arch_efi_call_virt_teardown(); \
> > +})
>
> Note that while at it I renamed 'flags' to '__flags' because 'flags' is
> a commonly used variable name and the 'efi_status_t __s' variable was
> macro-prefixed already.
>
> Any objections?

FWIW, none from me. I probably should have done that when I wrote the
original {__,}efi_call_virt macros.

Thanks,
Mark.