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e208b3c4a9
Add ALTERNATIVE_TERNARY support for replacing an initial instruction with either of two instructions depending on a feature: ALTERNATIVE_TERNARY "default_instr", FEATURE_NR, "feature_on_instr", "feature_off_instr" which will start with "default_instr" and at patch time will, depending on FEATURE_NR being set or not, patch that with either "feature_on_instr" or "feature_off_instr". [ bp: Add comment ontop. ] Signed-off-by: Juergen Gross <jgross@suse.com> Signed-off-by: Borislav Petkov <bp@suse.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/20210311142319.4723-7-jgross@suse.com |
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uapi/asm |