diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2021-10-26 15:01:38 +0300 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2021-10-29 00:25:26 +0300 |
| commit | a92ede2d584a2e070def59c7e47e6b6f6341c55c (patch) | |
| tree | 9460060893d7bd3f4d05a66494f25e6f47d01948 | |
| parent | 4fe79e710d9574a14993f8b4e16b7252da72d5e8 (diff) | |
| download | linux-a92ede2d584a2e070def59c7e47e6b6f6341c55c.tar.xz | |
x86/asm: Fix register order
Ensure the register order is correct; this allows for easy translation
between register number and trampoline and vice-versa.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Borislav Petkov <bp@suse.de>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Tested-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/r/20211026120309.978573921@infradead.org
| -rw-r--r-- | arch/x86/include/asm/GEN-for-each-reg.h | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/arch/x86/include/asm/GEN-for-each-reg.h b/arch/x86/include/asm/GEN-for-each-reg.h index 1b07fb102c4e..07949102a08d 100644 --- a/arch/x86/include/asm/GEN-for-each-reg.h +++ b/arch/x86/include/asm/GEN-for-each-reg.h @@ -1,11 +1,16 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * These are in machine order; things rely on that. + */ #ifdef CONFIG_64BIT GEN(rax) -GEN(rbx) GEN(rcx) GEN(rdx) +GEN(rbx) +GEN(rsp) +GEN(rbp) GEN(rsi) GEN(rdi) -GEN(rbp) GEN(r8) GEN(r9) GEN(r10) @@ -16,10 +21,11 @@ GEN(r14) GEN(r15) #else GEN(eax) -GEN(ebx) GEN(ecx) GEN(edx) +GEN(ebx) +GEN(esp) +GEN(ebp) GEN(esi) GEN(edi) -GEN(ebp) #endif |