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

diff --git a/arch/x86/include/asm/realmode.h b/arch/x86/include/asm/realmode.h
index 63b3393..c536823 100644 (file)
--- a/arch/x86/include/asm/realmode.h
+++ b/arch/x86/include/asm/realmode.h
@@ -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__ */

diff --git a/arch/x86/platform/efi/quirks.c b/arch/x86/platform/efi/quirks.c
index 458a0e2..a25a9fd 100644 (file)
--- a/arch/x86/platform/efi/quirks.c
+++ b/arch/x86/platform/efi/quirks.c
@@ -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;
                }

diff --git a/arch/x86/realmode/init.c b/arch/x86/realmode/init.c
index 47d0979..7dce39c 100644 (file)
--- a/arch/x86/realmode/init.c
+++ b/arch/x86/realmode/init.c
@@ -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)