diff options
| author |   Peter Zijlstra <peterz@infradead.org> | 2021-12-04 14:43:40 +0100 |
|---|---|---|
| committer |   Borislav Petkov <bp@suse.de> | 2021-12-08 12:25:37 +0100 |
| commit | f94909ceb1ed4bfdb2ada72f93236305e6d6951f (patch) | |
| tree | e7368c974b829530e82f34111f1f5ab183504921 /arch/x86/boot/compressed | |
| parent | x86/lib/atomic64_386_32: Rename things (diff) | |
| download | linux-dev-f94909ceb1ed4bfdb2ada72f93236305e6d6951f.tar.xz linux-dev-f94909ceb1ed4bfdb2ada72f93236305e6d6951f.zip | |
x86: Prepare asm files for straight-line-speculation
Replace all ret/retq instructions with RET in preparation of making
RET a macro. Since AS is case insensitive it's a big no-op without
RET defined.
find arch/x86/ -name \*.S | while read file
do
sed -i 's/\<ret[q]*\>/RET/' $file
done
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20211204134907.905503893@infradead.org
Diffstat (limited to 'arch/x86/boot/compressed')
| -rw-r--r-- | arch/x86/boot/compressed/efi_thunk_64.S | 2 | ||||
| -rw-r--r-- | arch/x86/boot/compressed/head_64.S | 8 | ||||
| -rw-r--r-- | arch/x86/boot/compressed/mem_encrypt.S | 6 |
3 files changed, 8 insertions, 8 deletions
diff --git a/arch/x86/boot/compressed/efi_thunk_64.S b/arch/x86/boot/compressed/efi_thunk_64.S index 8bb92e9f4e97..70052779b235 100644 --- a/arch/x86/boot/compressed/efi_thunk_64.S +++ b/arch/x86/boot/compressed/efi_thunk_64.S @@ -93,7 +93,7 @@ SYM_FUNC_START(__efi64_thunk) pop %rbx pop %rbp - ret + RET SYM_FUNC_END(__efi64_thunk) .code32 diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S index 572c535cf45b..fd9441f40457 100644 --- a/arch/x86/boot/compressed/head_64.S +++ b/arch/x86/boot/compressed/head_64.S @@ -813,7 +813,7 @@ SYM_FUNC_START(efi32_pe_entry) 2: popl %edi // restore callee-save registers popl %ebx leave - ret + RET SYM_FUNC_END(efi32_pe_entry) .section ".rodata" @@ -868,7 +868,7 @@ SYM_FUNC_START(startup32_set_idt_entry) pop %ecx pop %ebx - ret + RET SYM_FUNC_END(startup32_set_idt_entry) #endif @@ -884,7 +884,7 @@ SYM_FUNC_START(startup32_load_idt) movl %eax, rva(boot32_idt_desc+2)(%ebp) lidt rva(boot32_idt_desc)(%ebp) #endif - ret + RET SYM_FUNC_END(startup32_load_idt) /* @@ -954,7 +954,7 @@ SYM_FUNC_START(startup32_check_sev_cbit) popl %ebx popl %eax #endif - ret + RET SYM_FUNC_END(startup32_check_sev_cbit) /* diff --git a/arch/x86/boot/compressed/mem_encrypt.S b/arch/x86/boot/compressed/mem_encrypt.S index c1e81a848b2a..a63424d13627 100644 --- a/arch/x86/boot/compressed/mem_encrypt.S +++ b/arch/x86/boot/compressed/mem_encrypt.S @@ -58,7 +58,7 @@ SYM_FUNC_START(get_sev_encryption_bit) #endif /* CONFIG_AMD_MEM_ENCRYPT */ - ret + RET SYM_FUNC_END(get_sev_encryption_bit) /** @@ -92,7 +92,7 @@ SYM_CODE_START_LOCAL(sev_es_req_cpuid) /* All good - return success */ xorl %eax, %eax 1: - ret + RET 2: movl $-1, %eax jmp 1b @@ -221,7 +221,7 @@ SYM_FUNC_START(set_sev_encryption_mask) #endif xor %rax, %rax - ret + RET SYM_FUNC_END(set_sev_encryption_mask) .data |