| commit | c6dbd3e5e69cf3ca47a3864115d4cbdd44619243 | [log] [tgz] |
|---|---|---|
| author | Peter Zijlstra <peterz@infradead.org> | Mon Nov 15 17:46:39 2021 +0100 |
| committer | Peter Zijlstra <peterz@infradead.org> | Sat Dec 11 09:09:45 2021 +0100 |
| tree | 1b0c415e73a50ff8f0e036856c325ceccf0db483 | |
| parent | bff8c3848e071d387d8b0784dc91fa49cd563774 [diff] |
x86/mmx_32: Remove X86_USE_3DNOW This code puts an exception table entry on the PREFETCH instruction to overwrite it with a JMP.d8 when it triggers an exception. Except of course, our code is no longer writable, also SMP. Instead of fixing this broken mess, simply take it out. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/YZKQzUmeNuwyvZpk@hirez.programming.kicks-ass.net