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 _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"