Messages in this thread | | | Date | Mon, 27 Jul 2020 05:47:32 -0700 | Subject | Re: [PATCH 4/4] x86/cpu: Use SERIALIZE in sync_core() when available | From | hpa@zytor ... |
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On July 27, 2020 1:20:03 AM PDT, peterz@infradead.org wrote: >On Sun, Jul 26, 2020 at 09:31:32PM -0700, Ricardo Neri wrote: >> +static inline void serialize(void) >> +{ >> + asm volatile(".byte 0xf, 0x1, 0xe8"); >> +} > >Can we pretty please have a comment with the binutils version that has >the mnomic? Such that when we increase the required binutils version we >can grep for this.
It also needs : : : "memory" to be a barrier. -- Sent from my Android device with K-9 Mail. Please excuse my brevity.
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