Messages in this thread | | | Date | Mon, 27 Jul 2020 17:36:31 -0700 | From | Ricardo Neri <> | Subject | Re: [PATCH 4/4] x86/cpu: Use SERIALIZE in sync_core() when available |
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On Mon, Jul 27, 2020 at 10:20:03AM +0200, 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.
This is supported since binutils 2.35[1]. I'll add a comment with the clarification.
Thanks and BR, Ricardo
[1]. https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=blob_plain;f=gas/NEWS;;hb=refs/tags/binutils-2_35
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