Author: kib Date: Sun Nov 24 19:02:13 2019 New Revision: 355060 URL: https://svnweb.freebsd.org/changeset/base/355060
Log: amd64: assert that EARLY_COUNTER does not corrupt memory. Reviewed by: imp Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D22514 Modified: head/sys/amd64/include/counter.h Modified: head/sys/amd64/include/counter.h ============================================================================== --- head/sys/amd64/include/counter.h Sun Nov 24 16:40:54 2019 (r355059) +++ head/sys/amd64/include/counter.h Sun Nov 24 19:02:13 2019 (r355060) @@ -82,6 +82,7 @@ static inline void counter_u64_add(counter_u64_t c, int64_t inc) { + KASSERT(IS_BSP() || c != EARLY_COUNTER, ("EARLY_COUNTER used on AP")); __asm __volatile("addq\t%1,%%gs:(%0)" : : "r" ((char *)c - (char *)&__pcpu[0]), "ri" (inc) _______________________________________________ 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"
