Date: Tue, 17 Oct 2023 13:37:03 GMT From: Mark Johnston <markj@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: e5caed14067b - main - kmsan: Use __builtin_memset to initialize per-thread state Message-ID: <202310171337.39HDb35s095644@gitrepo.freebsd.org>
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The branch main has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=e5caed14067b40f1454d74e99789a28508d0eea3 commit e5caed14067b40f1454d74e99789a28508d0eea3 Author: Mark Johnston <markj@FreeBSD.org> AuthorDate: 2023-10-16 19:37:19 +0000 Commit: Mark Johnston <markj@FreeBSD.org> CommitDate: 2023-10-17 13:05:45 +0000 kmsan: Use __builtin_memset to initialize per-thread state Accesses to KMSAN's TLS block are not instrumented, so there's no need to use kmsan_memset(). No functional change intended. MFC after: 1 week Sponsored by: Klara, Inc. Sponsored by: Juniper Networks, Inc. --- sys/kern/subr_msan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/kern/subr_msan.c b/sys/kern/subr_msan.c index 54948370a14a..f8fdcf478b79 100644 --- a/sys/kern/subr_msan.c +++ b/sys/kern/subr_msan.c @@ -452,7 +452,7 @@ kmsan_thread_alloc(struct thread *td) sizeof(int)); mtd = malloc(sizeof(*mtd), M_KMSAN, M_WAITOK); } - kmsan_memset(mtd, 0, sizeof(*mtd)); + __builtin_memset(mtd, 0, sizeof(*mtd)); mtd->ctx = 0; if (td->td_kstack != 0)
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