x86/alternative: PAUSE is not a NOP

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While chasing ghosts, I did notice that optimize_nops() was replacing
'REP NOP' aka 'PAUSE' with NOP2. This is clearly not right.

Fixes: 6c480f2221 ("x86/alternative: Rewrite optimize_nops() some")
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/linux-next/20230524130104.GR83892@hirez.programming.kicks-ass.net/

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Peter Zijlstra 2023-06-14 16:35:50 +02:00 • committed by Borislav Petkov (AMD)

parent 9350a629e8

commit 2bd4aa9325

1 changed files with 4 additions and 1 deletions

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arch/x86/kernel/alternative.c

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