diff options
Diffstat (limited to 'arch/x86/platform/efi/efi_thunk_64.S')
| -rw-r--r-- | arch/x86/platform/efi/efi_thunk_64.S | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/arch/x86/platform/efi/efi_thunk_64.S b/arch/x86/platform/efi/efi_thunk_64.S index 4e5257a4811b..c4b1144f99f6 100644 --- a/arch/x86/platform/efi/efi_thunk_64.S +++ b/arch/x86/platform/efi/efi_thunk_64.S @@ -23,7 +23,6 @@ #include <linux/objtool.h> #include <asm/page_types.h> #include <asm/segment.h> -#include <asm/nospec-branch.h> .text .code64 @@ -73,10 +72,18 @@ STACK_FRAME_NON_STANDARD __efi64_thunk pushq %rdi /* EFI runtime service address */ lretq + // This return instruction is not needed for correctness, as it will + // never be reached. It only exists to make objtool happy, which will + // otherwise complain about unreachable instructions in the callers. + RET +SYM_FUNC_END(__efi64_thunk) + + .section ".rodata", "a", @progbits + .balign 16 +SYM_DATA_START(__efi64_thunk_ret_tramp) 1: movq 0x20(%rsp), %rsp pop %rbx pop %rbp - ANNOTATE_UNRET_SAFE ret int3 @@ -84,7 +91,7 @@ STACK_FRAME_NON_STANDARD __efi64_thunk 2: pushl $__KERNEL_CS pushl %ebp lret -SYM_FUNC_END(__efi64_thunk) +SYM_DATA_END(__efi64_thunk_ret_tramp) .bss .balign 8 |