From nobody Mon Feb 9 04:07:38 2026 Received: from out203-205-221-173.mail.qq.com (out203-205-221-173.mail.qq.com [203.205.221.173]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9583C5464D; Fri, 26 Dec 2025 16:10:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=203.205.221.173 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766765444; cv=none; b=hvOa7G7HygauEYLZP81uci4vf0MsDQDK2tzI+DzkLoh5o7VMqX/S9kTdYADq8OA+Dstxaq4E3drfqGqqbtmE9JEqZ/yxC6xEsygJ9ke/LqDXi4nMzys0Uoa7MuMcamLau+nrVF7H38YqtpHJGugI0hmlCTtE7nGmNyc/hFmJzBk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766765444; c=relaxed/simple; bh=npVADthl43s8nFfJiLP/573n5rQCJXK8CQ4e7XYY7ZQ=; h=Message-ID:From:To:Cc:Subject:Date:MIME-Version; b=gaST4cxrVAJe0CRbh4oshwTdI1WUdlr8quPFjnjhwB7NlcmQCvr/UA8BA4SwH+xALxMhEPmOZhNBzWETQDZWEFTsYJ+1GVt86awXLcYSA77/LzXAZ/cJU43/qP6Kr0zuYMhhq1SexRmOL8TjwWiWZhh6X8yw2s8/EdsnTfxlaNQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=qq.com; spf=pass smtp.mailfrom=qq.com; dkim=pass (1024-bit key) header.d=qq.com header.i=@qq.com header.b=MgVpPxOr; arc=none smtp.client-ip=203.205.221.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=qq.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=qq.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=qq.com header.i=@qq.com header.b="MgVpPxOr" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qq.com; s=s201512; t=1766765439; bh=Qjz0v1XIpBCptFDzRlnN/MSpEILFppOzfS9Xb6eODr0=; h=From:To:Cc:Subject:Date; b=MgVpPxOrsnYduPB5+kUXaugZYSi8bAtRWHWnZHQHj5J4qEBpLJfeqpDFBlsRXGWQT +ZpH+b3fWT2VBNt7uDFLE2EL2Z4WDhzYHHNZp6XV71VA9J8iZm8VQKTVQV6h7mHDAy RarPNP0LD4q+rkNWcIITa1kGeaGhwq9X7z1/hj5M= Received: from xh6010.. ([202.120.234.37]) by newxmesmtplogicsvrszb51-1.qq.com (NewEsmtp) with SMTP id 2A63EC8A; Sat, 27 Dec 2025 00:10:38 +0800 X-QQ-mid: xmsmtpt1766765438twsakx3i9 Message-ID: X-QQ-XMAILINFO: MllZffuBkEb5dGRU9c4pcusVbUbUz827diBQv258xL9ZNc0w3475WNdqj5W/EC aJQQ8JxSiihd8pSvJrX56oOJ/XwpqkMRi/Ng2D0hthT3MT9tztv/fo9Rikvc0UwyGAbpzO6+IhkL hkYorcCWLc4vcuobuWQaKZfOhd0a65DpvagQzTWC9+ihQq1UqWPQyC43DrA+Mj5KxxdQFl7RCLRs vYFzsN2gkOzS4IROcx9+wtXF3+lh1fysrlXgR3h5ayMDYYYoRR/ZjxuZ4XfnOGTL0OM1MC6VP0Kc Te4XQa4yQSsFOJ9bRAJlYAIM0F0enLUZCkAe7OqrMrSkEtbMxziZyRiAbWIZqonVpqNOYcYfEkio bJCfbFIjdyctY6raSzaV+tJgljteDR71ZjPN3J2sxZ4KZTr3SDribhWL1mZS71mPjOWunYPhzqtW cGLwv2Aqv3eeJLBVuB0/oMoZBamGouxurnbG3uLN0Nwtak5wFFXZeGOGge7vP6jqKsT41xeM8x3m tu9gmcB4dIEPN08dSyyqsqU0+nLMpnyESJh6KDxQzjk+WtjQCSnmtPH6G+i2TF/prmTLrPnbztzC iZUADWVct4c9dXNzB04Dn7Xnow/6E2wvIJscV/2A6BKh2YSt2k330JYNCb/gdDQrww2nx1eZprNK Gz+JkbCVdr7zuVaOvofBvAVvW2bo6O1ncYt1id6/tEPJu4ZsKQphpd5n/8b5mpvBXSuIR+L57UCR miu4p6D0yXTx4O/BCHIzHNmt0XuGskIID6Z+vY8O4B0LFNxRGKq4772aDkYvUSMhEOZwY9CFQ2Rb h7ntE3jQqupz25il94cvMpGRV1Ze7bfEzunbWYoouoTvGejaNWzM0oWPdxZpWFEa7iSd1i8z4zeD wSegPjk9TyOFGCjQgJuXAR4bh776k42KK2KhDLhG1z1f1ZBlNj7r1TuAeJgNbeyHqLIOouLmgL5+ gbMGaEDnyLI4Y9SLfw0w4hwVu/pvh9tW1YhygeLNTqpcsOf3EBmSZSPxTQKa+JkX1Ipg6mo5PHW+ 9YFYsbQPy8WjHxgRluPkTZyUzyxGhXX/+bcBC1kA2F/VkEcnIV8/7pT0ayUe68kfxvJtdma4pns1 Vzl7O3 X-QQ-XMRINFO: M/715EihBoGS47X28/vv4NpnfpeBLnr4Qg== From: Yilin Chen <1479826151@qq.com> To: Danilo Krummrich , Miguel Ojeda Cc: rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org, Yilin Chen <1479826151@qq.com> Subject: [PATCH] rust: dma: remove incorrect safety documentation Date: Sat, 27 Dec 2025 00:10:27 +0800 X-OQ-MSGID: <20251226161027.1635891-1-1479826151@qq.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Removes a safety requirement that incorrectly states callers must ensure the device does not access memory while the returned slice is live, as this method doesn't return a slice. Signed-off-by: Yilin <1479826151@qq.com> --- rust/kernel/dma.rs | 2 -- 1 file changed, 2 deletions(-) diff --git a/rust/kernel/dma.rs b/rust/kernel/dma.rs index 84d3c67269e8..2ac107d8f7b7 100644 --- a/rust/kernel/dma.rs +++ b/rust/kernel/dma.rs @@ -532,8 +532,6 @@ pub unsafe fn as_slice_mut(&mut self, offset: usize, co= unt: usize) -> Result<&mu /// /// # Safety /// - /// * Callers must ensure that the device does not read/write to/from = memory while the returned - /// slice is live. /// * Callers must ensure that this call does not race with a read or = write to the same region /// that overlaps with this write. /// --=20 2.34.1