From nobody Mon Apr 22 19:43:56 2024 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 4VNbKS3f4Kz5Hlny; Mon, 22 Apr 2024 19:43:56 +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 4VNbKS1X9Kz4mGV; Mon, 22 Apr 2024 19:43:56 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1713815036; 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=JXlTSrlkq6V3CZ+prXH5FcXLt0Y1ALO4LIYpErzsIZI=; b=mlki8TuOb5zJSjSgE0dFThoAKSggqLij1XWiHHlHh6T92YUMIUXbqNK8Gsr1AnZT7PclI7 PW6Iuq5GFKJ/VllKxhW0t8a6fPdCiwZ5hu8AC4yu4DbA6hy0qWc/4w+NIFKpIQ7CLA5abD F9X5fwiyxvVGDuAZXybi5V0hdrbbjUTUtyjsJrDY7kxupdOZ3+PqxMn8cISthGCKvZr4G0 f1Ft62WZ4W10Z/GLhhHBMga8qJTYVYO3lrVkMYL3b3rGWU8J8aYaV2E7PPR8HOaBHVWtHQ uDDy8+C/I3+udqzziA1rf/09JK0V+d/II5qwEhP/UZhnqhAzeFaavABEGNLEmQ== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1713815036; a=rsa-sha256; cv=none; b=rRcRFaedVQA7oiDqz4O/Uw/onF+jaJ5ONRWwlqrplheFn8Yg/6e4aWYnGDzGG5CqCygJaH vXKauMajaRQK5gffTQbx+w0L9ZSAQwE24BWmk5NyKhZmQxvWOZCrd16dQ0DpqvPYGjueot IGISa6hnWw5jPH+T7TOva5r45e73d3QqWIk3solcXYLDxJ0HFRviaemrHDMXMUH6vzSeZ+ PgLHIHD/rsL30WzI0TqHCSkZlup15O9fkCRQFYbqAqx4XURShgTlF0pZkW9bmlCNaMX06x zOXo33tKpRn0RADDQQkaR16ti55A6h1t1vCdrpZOTThh1PThebRWNH0PrGbzlw== 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=1713815036; 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=JXlTSrlkq6V3CZ+prXH5FcXLt0Y1ALO4LIYpErzsIZI=; b=gb/i8RRfQoCQ0H5kct4ICjugOMoJDzUr6vTKY57HXlni7I5Sf0c4bmcYTgoAvrCJsLlZD1 YShhX63BjHImwoZxZdpECX9gyUBvSKtJIM+9o60MDpnb4IzU24PSaVp7ZG2h1yfG7MQyMN xYnL5SWy6gh2UlUcDi5fXwn5/NL1ubLt0GODlxKhyfV/kEpuDbobMZCZbymapwDR9zYuSw LuNK6U+Tpd34N85CRR2B7PBuGUdy8ku/30FVziIXn7vnjxvgbXj/YS59u3NOp9D0d53PWv vHvMOKWJHompiAbYsEm+fnImRjhOR7rtt/1EtVSzMznj86OLnYEriaas5XN+lQ== 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 4VNbKS15DSz11x0; Mon, 22 Apr 2024 19:43:56 +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 43MJhux5031966; Mon, 22 Apr 2024 19:43:56 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.17.1/8.17.1/Submit) id 43MJhuIs031963; Mon, 22 Apr 2024 19:43:56 GMT (envelope-from git) Date: Mon, 22 Apr 2024 19:43:56 GMT Message-Id: <202404221943.43MJhuIs031963@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: "Bjoern A. Zeeb" Subject: git: 7a52baf2805f - stable/14 - LinuxKPI: implement memzero_explicit() 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: X-BeenThere: dev-commits-src-branches@freebsd.org Sender: owner-dev-commits-src-branches@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: bz X-Git-Repository: src X-Git-Refname: refs/heads/stable/14 X-Git-Reftype: branch X-Git-Commit: 7a52baf2805fbb954a8db98921253a1c288efeb2 Auto-Submitted: auto-generated The branch stable/14 has been updated by bz: URL: https://cgit.FreeBSD.org/src/commit/?id=7a52baf2805fbb954a8db98921253a1c288efeb2 commit 7a52baf2805fbb954a8db98921253a1c288efeb2 Author: Bjoern A. Zeeb AuthorDate: 2024-04-02 09:30:49 +0000 Commit: Bjoern A. Zeeb CommitDate: 2024-04-22 16:59:36 +0000 LinuxKPI: implement memzero_explicit() Sponsored by: The FreeBSD Foundation Reviewed by: emaste Differential Revision: https://reviews.freebsd.org/D44586 (cherry picked from commit 218b2ccf8cc90698487515c681f3e3453b0dcead) --- sys/compat/linuxkpi/common/include/linux/string.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/sys/compat/linuxkpi/common/include/linux/string.h b/sys/compat/linuxkpi/common/include/linux/string.h index f745c2f6d343..06dcdbd97663 100644 --- a/sys/compat/linuxkpi/common/include/linux/string.h +++ b/sys/compat/linuxkpi/common/include/linux/string.h @@ -273,4 +273,11 @@ memcpy_and_pad(void *dst, size_t dstlen, const void *src, size_t len, int ch) memset(_ptr + _o, _c, sizeof(*(ptr)) - _o); \ }) +static inline void +memzero_explicit(void *p, size_t s) +{ + memset(p, 0, s); + __asm__ __volatile__("": :"r"(p) :"memory"); +} + #endif /* _LINUXKPI_LINUX_STRING_H_ */