| commit | 4fd4b6e5537cec5b56db0b22546dd439ebb26830 | [log] [tgz] |
|---|---|---|
| author | Borislav Petkov <bp@suse.de> | Sat Jan 10 20:34:07 2015 +0100 |
| committer | Borislav Petkov <bp@suse.de> | Mon Feb 23 13:44:12 2015 +0100 |
| tree | 6a6ba144ac6e23d7fd71a70f4102cf46f7955f6c | |
| parent | 48c7a2509f9e237d8465399d9cdfe487d3212a23 [diff] |
x86/alternatives: Use optimized NOPs for padding Alternatives allow now for an empty old instruction. In this case we go and pad the space with NOPs at assembly time. However, there are the optimal, longer NOPs which should be used. Do that at patching time by adding alt_instr.padlen-sized NOPs at the old instruction address. Cc: Andy Lutomirski <luto@amacapital.net> Signed-off-by: Borislav Petkov <bp@suse.de>