From nobody Tue Oct 24 13:38:19 2023 X-Original-To: dev-commits-src-branches@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4SFCn84QS7z4y3hX; Tue, 24 Oct 2023 13:38:20 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4SFCn734Mxz4Z8W; Tue, 24 Oct 2023 13:38:19 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1698154699; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=DtmhFP/B46AKxGNzcEMwR3MJDaM7gfKlb5OGe+44o80=; b=WzKqMv1fLbBlh3jrwZdEszDZz718TH3YgihET1vSCcDXUUBdjEyJh26sInhdFQ0a1YeEP7 mC3Tr5U/l8GuPMm5srwrDJamclNGDVkp34vg84d+jbDthasknYtpr9InwR1q6F+jf60oEX HMPqM+JPP/PYaJBOJur+ZWEOqD3VRa6TqaC3aQbJjRKQaI0H/yJaYVQUbmehSTyVpV9LkK 704sxtVKq0G4YIbYRJzJOeVkZnZYeeu4mL1d9gxIJ+m/B8ghSfCqbfdIcd60uE/QIIbDC3 Hvo8YMfp2+1V66B11E5xb6BV+/5+RCFp3IkZkEK2oNivA0n+K7zFMNgAznNbFQ== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1698154699; a=rsa-sha256; cv=none; b=RHV+wYbq+7aUzWSZz9WirP3aJmu54zEa2utfuk83cm9cAxRZDgkQJAc7SRGHaYF4bIOm46 k4V5YW6btAfkmISWb43zv7RggUmvnm5XITrJQz8DS793AuaQ4WI6HNoYZRTllj5eY8FIlq MUqakDQ5snwba9tdOtYXi/xESjTSfDpuWXcavt/jx+lcK8eW5c5HR+rjTu86aGWRrgETKJ IQA8uTcdlCEGra0m6pfA2qoMtPQ/odR4c5GBDPYiirBowKz7WmclYJXmPE7jo2GYgPqs3f fnS9UbdqymCyzudX4rWIsTJK06dAzRnuaMR+6RVxnlzJL50KNWX0v+tT+Ia5+Q== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1698154699; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=DtmhFP/B46AKxGNzcEMwR3MJDaM7gfKlb5OGe+44o80=; b=N/zo1+7z4VnrdOHSPN7ssYyqagd1iMtR9nCliauzX161jX2SoQW0WxwpYxYejvuiGMqmAz xypahABGTOW0ZolZ6U+6/BzwnTViCtBF82jJ9LqEkl7Wu+B93uIbJ4NFFuBbnPjoYCaZPs KQBmFu5kA1WBwXK0ltjm+SgMl1Rmwr+78g6kNz2tu7S76v+Xpzyyesn3VC0gIZjrROTZEN DWLR2sISNxnbeda/Jv3Hak35+Q4FiDWdYLELA9g8D8iweTzCFiNQ7RZrq1SSpu2YFsJJR3 LFp9XLbwMVdU8zagbvT3AHpl79u4izSnv+bO0mkWjQraaPP2ANo6XaCjNPje2Q== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4SFCn7232Yz9Sw; Tue, 24 Oct 2023 13:38:19 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.17.1/8.17.1) with ESMTP id 39ODcJ8k089123; Tue, 24 Oct 2023 13:38:19 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.17.1/8.17.1/Submit) id 39ODcJZo089120; Tue, 24 Oct 2023 13:38:19 GMT (envelope-from git) Date: Tue, 24 Oct 2023 13:38:19 GMT Message-Id: <202310241338.39ODcJZo089120@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Mark Johnston Subject: git: 688c44068ad9 - stable/14 - kmsan: Use __builtin_memset to initialize per-thread state List-Id: Commits to the stable branches of the FreeBSD src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-branches List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-branches@freebsd.org X-BeenThere: dev-commits-src-branches@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: markj X-Git-Repository: src X-Git-Refname: refs/heads/stable/14 X-Git-Reftype: branch X-Git-Commit: 688c44068ad977e0714ae30e0c52ebe172309d0c Auto-Submitted: auto-generated The branch stable/14 has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=688c44068ad977e0714ae30e0c52ebe172309d0c commit 688c44068ad977e0714ae30e0c52ebe172309d0c Author: Mark Johnston AuthorDate: 2023-10-16 19:37:19 +0000 Commit: Mark Johnston CommitDate: 2023-10-24 13:17:44 +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. (cherry picked from commit e5caed14067b40f1454d74e99789a28508d0eea3) --- 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)