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x86/realmode: Make set_real_mode_mem() static inline 

Remove the unused @size argument and move it into a header file, so it
can be inlined.

 [ bp: Massage. ]

Signed-off-by: Matteo Croce <mcroce@redhat.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Mukesh Ojha <mojha@codeaurora.org>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: linux-efi <linux-efi@vger.kernel.org>
Cc: platform-driver-x86@vger.kernel.org
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: x86-ml <x86@kernel.org>
Link: https://lkml.kernel.org/r/20190328114233.27835-1-mcroce@redhat.com
This commit is contained in:
Matteo Croce 2019-03-28 12:42:33 +01:00 committed by Borislav Petkov
parent f6027c8109
commit f560bd19d2
3 changed files with 7 additions and 10 deletions
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6
arch/x86/include/asm/realmode.h
View File

@ -77,7 +77,11 @@ static inline size_t real_mode_size_needed(void)
return ALIGN(real_mode_blob_end - real_mode_blob, PAGE_SIZE);
}
void set_real_mode_mem(phys_addr_t mem, size_t size);
static inline void set_real_mode_mem(phys_addr_t mem)
{
real_mode_header = (struct real_mode_header *) __va(mem);
}
void reserve_real_mode(void);
#endif /* __ASSEMBLY__ */

2
arch/x86/platform/efi/quirks.c
View File

@ -449,7 +449,7 @@ void __init efi_free_boot_services(void)
*/
rm_size = real_mode_size_needed();
if (rm_size && (start + rm_size) < (1<<20) && size >= rm_size) {
set_real_mode_mem(start, rm_size);
set_real_mode_mem(start);
start += rm_size;
size -= rm_size;
}

9
arch/x86/realmode/init.c
View File

@ -15,13 +15,6 @@ u32 *trampoline_cr4_features;
/* Hold the pgd entry used on booting additional CPUs */
pgd_t trampoline_pgd_entry;
void __init set_real_mode_mem(phys_addr_t mem, size_t size)
{
void *base = __va(mem);
real_mode_header = (struct real_mode_header *) base;
}
void __init reserve_real_mode(void)
{
phys_addr_t mem;
@ -40,7 +33,7 @@ void __init reserve_real_mode(void)
}
memblock_reserve(mem, size);
set_real_mode_mem(mem, size);
set_real_mode_mem(mem);
}
static void __init setup_real_mode(void)