From: Borislav Petkov Date: Tue, 1 Jun 2021 19:30:56 +0000 (+0200) Subject: x86/alternative: Align insn bytes vertically X-Git-Tag: v5.14-rc1~172^2~6 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=7ee0e638a526b2d1f09c714f86d82dfd7628f322;p=thirdparty%2Flinux.git x86/alternative: Align insn bytes vertically For easier inspection which bytes have changed. For example: feat: 7*32+12, old: (__x86_indirect_thunk_r10+0x0/0x20 (ffffffff81c02480) len: 17), repl: (ffffffff897813aa, len: 17) ffffffff81c02480: old_insn: 41 ff e2 90 90 90 90 90 90 90 90 90 90 90 90 90 90 ffffffff897813aa: rpl_insn: e8 07 00 00 00 f3 90 0f ae e8 eb f9 4c 89 14 24 c3 ffffffff81c02480: final_insn: e8 07 00 00 00 f3 90 0f ae e8 eb f9 4c 89 14 24 c3 No functional changes. Signed-off-by: Borislav Petkov Acked-by: Peter Zijlstra (Intel) Link: https://lkml.kernel.org/r/20210601193713.16190-1-bp@alien8.de --- diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c index 75c752b0628c1..227c4a8b145a3 100644 --- a/arch/x86/kernel/alternative.c +++ b/arch/x86/kernel/alternative.c @@ -273,8 +273,8 @@ void __init_or_module noinline apply_alternatives(struct alt_instr *start, instr, instr, a->instrlen, replacement, a->replacementlen); - DUMP_BYTES(instr, a->instrlen, "%px: old_insn: ", instr); - DUMP_BYTES(replacement, a->replacementlen, "%px: rpl_insn: ", replacement); + DUMP_BYTES(instr, a->instrlen, "%px: old_insn: ", instr); + DUMP_BYTES(replacement, a->replacementlen, "%px: rpl_insn: ", replacement); memcpy(insn_buff, replacement, a->replacementlen); insn_buff_sz = a->replacementlen;