CVS log for src/common/lib/libc/arch/x86_64/atomic/atomic.S

Up to [cvs.NetBSD.org] / src / common / lib / libc / arch / x86_64 / atomic

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Default branch: MAIN
Current tag: HEAD

Revision 1.29 / (download) - annotate - [select for diffs], Sat Jul 30 14:11:00 2022 UTC (20 months, 3 weeks ago) by riastradh
Branch: MAIN
CVS Tags: thorpej-ifq-base, thorpej-ifq, thorpej-altq-separation-base, thorpej-altq-separation, netbsd-10-base, netbsd-10-0-RELEASE, netbsd-10-0-RC6, netbsd-10-0-RC5, netbsd-10-0-RC4, netbsd-10-0-RC3, netbsd-10-0-RC2, netbsd-10-0-RC1, netbsd-10, HEAD
Changes since 1.28: +13 -23 lines
Diff to previous 1.28 (colored)

x86: Eliminate mfence hotpatch for membar_sync.

The more-compatible  LOCK ADD $0,-N(%rsp)  turns out to be cheaper
than MFENCE anyway.  Let's save some space and maintenance and rip
out the hotpatching for it.

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