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Commit f137e0b0 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 

Pull x86 fixes from Thomas Gleixner:
 "A small set of x86 fixes:

   - prevent the kernel from using the EFI reboot method when EFI is
     disabled.

   - two patches addressing clang issues"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/boot: Disable the address-of-packed-member compiler warning
  x86/efi: Fix reboot_mode when EFI runtime services are disabled
  x86/boot: #undef memcpy() et al in string.c
parents e4776b8c 20c6c189

arch/x86/boot/compressed/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -34,6 +34,7 @@ KBUILD_CFLAGS += $(cflags-y) 
KBUILD_CFLAGS += -mno-mmx -mno-sse

KBUILD_CFLAGS += $(call cc-option,-ffreestanding)

KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector)

KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member)



KBUILD_AFLAGS  := $(KBUILD_CFLAGS) -D__ASSEMBLY__

GCOV_PROFILE := n

arch/x86/boot/string.c

+9 −0
Original line number Diff line number Diff line
@@ -16,6 +16,15 @@ 
#include "ctype.h"

#include "string.h"



/*

 * Undef these macros so that the functions that we provide

 * here will have the correct names regardless of how string.h

 * may have chosen to #define them.

 */

#undef memcpy

#undef memset

#undef memcmp



int memcmp(const void *s1, const void *s2, size_t len)

{

	bool diff;

arch/x86/kernel/reboot.c

+3 −3
Original line number Diff line number Diff line
@@ -471,12 +471,12 @@ static int __init reboot_init(void) 


	/*

	 * The DMI quirks table takes precedence. If no quirks entry

	 * matches and the ACPI Hardware Reduced bit is set, force EFI

	 * reboot.

	 * matches and the ACPI Hardware Reduced bit is set and EFI

	 * runtime services are enabled, force EFI reboot.

	 */

	rv = dmi_check_system(reboot_dmi_table);



	if (!rv && efi_reboot_required())

	if (!rv && efi_reboot_required() && !efi_runtime_disabled())

		reboot_type = BOOT_EFI;



	return 0;