diff options
Diffstat (limited to 'arch/x86/include')
| -rw-r--r-- | arch/x86/include/asm/efi.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h index e3975597b28..19292e7cae5 100644 --- a/arch/x86/include/asm/efi.h +++ b/arch/x86/include/asm/efi.h @@ -31,9 +31,13 @@ extern unsigned long asmlinkage efi_call_phys(void *, ...); * Wrap all the virtual calls in a way that forces the parameters on the stack. */ +/* Use this macro if your virtual returns a non-void value */ #define efi_call_virt(f, args...) \ ((efi_##f##_t __attribute__((regparm(0)))*)efi.systab->runtime->f)(args) +/* Use this macro if your virtual call does not return any value */ +#define __efi_call_virt(f, args...) efi_call_virt(f, args) + #define efi_ioremap(addr, size, type, attr) ioremap_cache(addr, size) #else /* !CONFIG_X86_32 */ @@ -55,6 +59,12 @@ extern u64 asmlinkage efi_call(void *fp, ...); __s; \ }) +/* + * All X86_64 virt calls return non-void values. Thus, use non-void call for + * virt calls that would be void on X86_32. + */ +#define __efi_call_virt(f, args...) efi_call_virt(f, args) + extern void __iomem *efi_ioremap(unsigned long addr, unsigned long size, u32 type, u64 attribute); |