From nobody Wed Apr 22 18:10:21 2026 X-Original-To: dev-commits-src-main@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 4g16hY3wFWz6b34g for ; Wed, 22 Apr 2026 18:10:21 +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 "R13" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4g16hY1k7bz4Dmc for ; Wed, 22 Apr 2026 18:10:21 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1776881421; 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=4mH4E5oeFlgoDu4kbIRvf3b1G9Ib3wv6fvWsbc+jw5I=; b=PfVrxRVAERFNNS6mvvEcy1i9MX9ttJb9HHiQMegPz/PYx6pMrU5VVjJulXqARli0KbvGNj ORHftBDRAd3eQnwmFITFz4RCRPuAXtr/Pt4/1UHKLWiPlPhyUcbTjkcerlat2ssKRZJVwx fZg/XFTaaOvfXLtWq5FdlduvHc4wjrcoQGV3Axd/QTnnhKEdBvE2TgoCGxKbAKOVy9aFbr zFBeVSBQOd+6ZGnAX62aqZRpDpNLgBx552tHZiFcC8F7WUJCStpQIX1EJd07Ew5znXBs9f dJADsAfQHh87YUzOuKZWy6/u4Nu9YQ69M3VRzkWN5ikXC76FUpNDj0+hyX2k/A== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1776881421; a=rsa-sha256; cv=none; b=bYRH4eth1OuHTy1jSr4WPBs0fyMr9YYqTI1uZ+NlR6BZ9Xy9BEWbQ2uB+iGwvS6nMulMf4 A+UL0IE06e+deiDUbB2AWYFkAKWvnoqwrOeS0Y8KDaKjOXc1yTWpyVo0R9H5O69XpPJdFg 2qwPCPUy5KhbmlJuuSOvdIn9RbNCKvm5nuAnbeZfBznZUPvn11sBbd9/W6CfI3YK42sb2Q cbxM12FQweavVrXJ7lM6MHiXLaVDxvu33FCFM0UssiD4rl4+jmZhdTGhSBezViEU9Oikyj 2usfr5lMKwmySjzXwzZcbZGIeFdkPVU0hAnDB53XHnr7YP5IPXQwBXLKQnm0wg== 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=1776881421; 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=4mH4E5oeFlgoDu4kbIRvf3b1G9Ib3wv6fvWsbc+jw5I=; b=pPdZDg/qsvAdRCfo4S7Qrbsqg+5sitbHXNzh671a6/ytdoXAdqB20j9v2IwEfpRUEbNiV7 +BCb6EqIfiR+p7OIaGIju/PXNytYNzPtt2KS0tg0nCNDE4cWB7FEJkmOF0v9itqCLPoJYi JZyaqkkDqc5Rf8me4EXEV9sFjWMndBSPJJosUZzDH26yxt5qfT/slgAMgj1/m11CBWIv/m B70QeE1m2y1+Edw+1KCg3Cu9rF0RC0YxiT32umQB5Fl5ZaRB1Wwq0nDiog0gfQ/A9/ZgpD 2WJcRwXSmeZ4tnJ2tN3+gWy6LIClfdn9p3Oycou9UcherfFxLEGxtJQgIzzAKg== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4g16hY0f50zhB8 for ; Wed, 22 Apr 2026 18:10:21 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 443ba by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Wed, 22 Apr 2026 18:10:21 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Jean-=?utf-8?Q?S=C3=A9bast?==?utf-8?Q?ien P=C3=A9?=dron Subject: git: ab77c26d3643 - main - linuxkpi: Add `mem_is_zero()` List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-main@freebsd.org Sender: owner-dev-commits-src-main@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: dumbbell X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: ab77c26d3643b88b29d3526d60b939d1cca402f9 Auto-Submitted: auto-generated Date: Wed, 22 Apr 2026 18:10:21 +0000 Message-Id: <69e90f0d.443ba.6e788d9@gitrepo.freebsd.org> The branch main has been updated by dumbbell: URL: https://cgit.FreeBSD.org/src/commit/?id=ab77c26d3643b88b29d3526d60b939d1cca402f9 commit ab77c26d3643b88b29d3526d60b939d1cca402f9 Author: Jean-Sébastien Pédron AuthorDate: 2026-04-12 10:16:55 +0000 Commit: Jean-Sébastien Pédron CommitDate: 2026-04-22 18:09:54 +0000 linuxkpi: Add `mem_is_zero()` The DRM generic code and the i915 DRM driver started to replace the use of `memchr_inv()` by a `mem_is_zero()` in Linux 6.12. We reuse the previous use of `memchr_inv()` to implement `mem_is_zero()`. Reviewed by: bz Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D56442 --- sys/compat/linuxkpi/common/include/linux/string.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/sys/compat/linuxkpi/common/include/linux/string.h b/sys/compat/linuxkpi/common/include/linux/string.h index 0b858e7af623..8ca20df27792 100644 --- a/sys/compat/linuxkpi/common/include/linux/string.h +++ b/sys/compat/linuxkpi/common/include/linux/string.h @@ -198,6 +198,12 @@ memchr_inv(const void *start, int c, size_t length) return (NULL); } +static inline bool +mem_is_zero(const void *start, size_t length) +{ + return (memchr_inv(start, 0, length) == NULL); +} + static inline size_t str_has_prefix(const char *str, const char *prefix) {