Date: Thu, 7 Feb 2019 20:50:40 +0000 (UTC) From: Andrew Turner <andrew@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r343875 - head/sys/arm64/arm64 Message-ID: <201902072050.x17Koeod056178@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: andrew Date: Thu Feb 7 20:50:39 2019 New Revision: 343875 URL: https://svnweb.freebsd.org/changeset/base/343875 Log: Add a missing data barrier to the start of arm64_tlb_flushID. We need to ensure the page table store has happened before the tlbi. Reported by: jchandra Tested by: jchandra Sponsored by: DARPA, AFRL Differential Revision: https://reviews.freebsd.org/D19097 Modified: head/sys/arm64/arm64/cpufunc_asm.S Modified: head/sys/arm64/arm64/cpufunc_asm.S ============================================================================== --- head/sys/arm64/arm64/cpufunc_asm.S Thu Feb 7 18:54:25 2019 (r343874) +++ head/sys/arm64/arm64/cpufunc_asm.S Thu Feb 7 20:50:39 2019 (r343875) @@ -96,6 +96,7 @@ ENTRY(arm64_setttb) END(arm64_setttb) ENTRY(arm64_tlb_flushID) + dsb ishst #ifdef SMP tlbi vmalle1is #else
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201902072050.x17Koeod056178>