From nobody Wed Apr 29 21:42:58 2026 X-Original-To: dev-commits-src-all@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 4g5W4f3jKGz6c10B for ; Wed, 29 Apr 2026 21:42:58 +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 4g5W4f1BNDz3gj1 for ; Wed, 29 Apr 2026 21:42:58 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1777498978; 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=TsQ2ftKIWCZn6F8C+EiPSjYv9iGQTmUk+KOPsPULC2c=; b=K08z0Gb32WPRMLYlBhDr1P5JosFll8DezwlFvM/ya2SPFNSQC5TAyPNoi39yGX2KenjbNO tkgmClZnDrsnrwmEQsqmRbDpNkwEVkoV4daWEnQbeghI6ps7tLTQFxZUYB9elRFXxoJ0s/ QM9obCT3i/em5hibEQE8thh5h/eUGwJInR91qQa0xGg8X9qc74Va7qoU4GWOQ8A2EePrp8 7AMZATez/pr4POftlAWebcJq3cITs4YrtZzpcLF0mHw4QD/XMvIHMjfqGJcOc7onNJMpMR aP/1nGl5xaKu1Qz4uwydXRecfl40GwMIbmauL+xDI48uDzV9PkyQhf4ApsAd7A== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1777498978; a=rsa-sha256; cv=none; b=cVgJJAoHoct17KP+TXX+rr3Xs7z/RqWKTXK+s7s6YC69NeQFo95LXK2UUlQRYHWafE25hV W4AFBMg+j5BHOfnXU4YmQWnKhs/EiWiGuBk8ZixUxAlfEBzfR43dQA9u3DwiqONv81eDNc /DvuTPpZYrsl32lqXLZaJi22Nc8J4FknfBDPk3aGxn6nYXoLQytXcwnAP4xjG2gCpBiOWf joxdKvENl9BxUS40x2/sdwCsV6lqxatsXi/wi7/aW1zirM6liscIalRbMiDymswK+cLGYD 1/D0Ua0dVHWZbQfwsnXWCvgcqoKX5FfNCed352XbLt2ompGGve/4MvMhsoQzPg== 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=1777498978; 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=TsQ2ftKIWCZn6F8C+EiPSjYv9iGQTmUk+KOPsPULC2c=; b=Sb8IZAJuG1M+KMSP+aMMiI4sLBgz0NN6+Iv1M7XH45ZRMp/wAGx7jhnvUOqiXOGHsCA1zj iEdWky3faTYyEF2CVMnX/Y9Tp+eA3PtR9JEDzg1spNcT9Yay1LfJ/T7sAYwFPPtcaZ5NMS hwmr4yAF2w5T5CE1AeDHdyzPJrQ/jbfCb1qMC7qy8j01Y59bExG7uShcFKffrykULTWoA8 Hfl5daGVwMJne6jvmu3TBA44AHXZIjqcAjpI2HKxhfKgnxAY6/jZmTMguxCTUY8QaXGHsx Q/0zY95AjWAMyykAJ+kVvDnx4Hg9rRo/tIp9iYKwYj3p6KHHLb2SvM/m+cBZ0A== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4g5W4f0cJHzyGT for ; Wed, 29 Apr 2026 21:42:58 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 46ff2 by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Wed, 29 Apr 2026 21:42:58 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Jean-=?utf-8?Q?S=C3=A9bast?==?utf-8?Q?ien P=C3=A9?=dron Subject: git: 026509a6bc7a - stable/15 - linuxkpi: Add `mem_is_zero()` List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-all@freebsd.org Sender: owner-dev-commits-src-all@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/stable/15 X-Git-Reftype: branch X-Git-Commit: 026509a6bc7a350cc1b241cf2acb40b5ba8876a8 Auto-Submitted: auto-generated Date: Wed, 29 Apr 2026 21:42:58 +0000 Message-Id: <69f27b62.46ff2.2eee8008@gitrepo.freebsd.org> The branch stable/15 has been updated by dumbbell: URL: https://cgit.FreeBSD.org/src/commit/?id=026509a6bc7a350cc1b241cf2acb40b5ba8876a8 commit 026509a6bc7a350cc1b241cf2acb40b5ba8876a8 Author: Jean-Sébastien Pédron AuthorDate: 2026-04-12 10:16:55 +0000 Commit: Jean-Sébastien Pédron CommitDate: 2026-04-29 21:03:45 +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 (cherry picked from commit ab77c26d3643b88b29d3526d60b939d1cca402f9) --- 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) {