From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (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 D67713207 for ; Thu, 24 Jul 2025 01:48:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753321738; cv=none; b=PDAWTGXjfI5JuxK1JC5kSkYbAC+h4izlOxfs3+3KMC6U4mGdlvqQAXmPL2oizlsInqFadxTBj6TRT8XW5luQzCRgTACHrMYNwHU6y/eDOD5qImf1J2W4AxGXQ6lpo1tKuzumKq4iAUy6ECjMi8i5aLNQC2Kw0RTRsxGEtLo47Rs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753321738; c=relaxed/simple; bh=yOckcSAWN3jOQjyFGoNTRs2pUdHiS6imQniYsYlRySI=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=s13vI0eOxCv3YKViUOj4HWOICX26dzEoFOC0bTRZBnJzwG5F+PprXwB+kj5weHOAHskv8z/URu9d8E85FQ+db1f+xMS5X4yCMyjFbw+hq/XhRIKlLGnWAghtYK6pfo303Eqch3hY/EDBp9d3UC0tdHDf9zgfIntn0iWxWSKqsE0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=QErbye8l; arc=none smtp.client-ip=205.220.168.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="QErbye8l" Received: from pps.filterd (m0279867.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 56NMXflN011227 for ; Thu, 24 Jul 2025 01:48:55 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= pONdAv4XuSeyzdXX1wuMYXUvcdht/3V8RKEwqG7m+YQ=; b=QErbye8lY2wArw4u nLa/nxC9JhoJBrDbHVmlNrLz2iPeVfvpHjk2sLHotBBSVHL3ek+B/04oX43Ltbv7 0+tzjX+Q9YebaDDNbbvCwNHi0x3mlu6VrsRxxs1Fd93eeakTkNeMSQbclJLd1FLB qHdgB67vOlhCX94MxY8XAESIeRo7qE1wM3xBg/8lNiM1aIsx3xT7w3KDzD7bVxFR ucuxEch898Czh7RZ0tSOXONw4im7sK4XxoTIP1ct+CJmKIIh4V1rZy4L6WNa6KIR AORgCqkHOsKhwjttNv2I1yv+hFIhi7A6VU8p3qjv49ZH1lCi9tNcD4XqGEmRgHTL w5s20Q== Received: from mail-pf1-f200.google.com (mail-pf1-f200.google.com [209.85.210.200]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 481t6w873b-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Thu, 24 Jul 2025 01:48:55 +0000 (GMT) Received: by mail-pf1-f200.google.com with SMTP id d2e1a72fcca58-75e28bcec3bso807637b3a.1 for ; Wed, 23 Jul 2025 18:48:55 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1753321735; x=1753926535; h=content-transfer-encoding:in-reply-to:content-language:from :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=pONdAv4XuSeyzdXX1wuMYXUvcdht/3V8RKEwqG7m+YQ=; b=HhmGkQ/dA/Z3FGjiuM3ueyRwSbK4ellIFua+5ClIaZ4SGJyF3rrrq1nvB+6xfL64qV ppLbZrDK+7f187SJCi9G5i71Y5wRTmAqgzJAgDqQ1Dr9GJxWOqxZaR74OD+hPi/v8IFf /fr8pG9cTuuIMk19dRvGFsFqVHLtIS7DP1XzECFma9AP0WbufIq9x4iq95wD7LX9cVK9 VE/2cqnVqTXjGN7rFdJ0XoguaTE6NboDr2UG6OCmeg4lc1PZwJSFTTvuUSbkONvQCKgR IU2Q8BFnDDX2Ah+77i4yxX81Uq8U/3JSKUG6pk8NQnVMJ3q7yEXFsBMUBPXcy8OQXrgu 0iSg== X-Forwarded-Encrypted: i=1; AJvYcCUEmRReQWozLWfal2hd3hD7YDRzDDWR2h+W9CDJdzL8d9I7ynlcXAKjEslyTJifXKGmog4hj4Xu07zNkSw=@vger.kernel.org X-Gm-Message-State: AOJu0Yw2A6UsNInRyZfAIfIg9/HLMvGBYcjKfUrPm5pZpqqzRquQ02WL qcISP7WIjiUK87gc1bPuiZqRKrmNVCqwQUHVSZWLS0DeNrSbcthnhcb6DslbWIvEw7Yl8sOhAzd 9COiqWnq0OkJaa4UYjzFAg8A22xZp4NyTHllTOEPkJ6Uo+coA2e2xJ6kaWh/WEfbAd+o= X-Gm-Gg: ASbGncsEqDIc9XjVyL1TKm34ARYkaJvH8kjGlioFKxAU4fiRae+vexKGeSeQzxk86A2 nUeA/JrgukwNPoZ2ZzPInebO+SkXUTeQmuE5BToh/sF8Aynsrkpu0uU4jK2PQ+76cXQikW3WFyt I9ECVpaWyUTf8rl0dp1FIrsChbl/TUXds8zEJJze18C/EGs5fveu6CDF/J4d4MCmQZ2Si6Y52Q/ XXeHZnEYiWYevkLcAjgXu83QvXsG2W/ekaOBFtogLlA5ZcAvEITq4tTSO0jWQHus2H6hZH16Cdh hppfDsO83octtiEEk+0nvKvGbeIYm8q3sbUagoK/1Z3/kdaPQRXdIwxeVC22ijDLCN8Lk+2vRUY x9xf2Bm1AIwXlcsIMA5o5Z9p0z+Se1rGt X-Received: by 2002:a05:6a00:3d4b:b0:75f:9622:4ebb with SMTP id d2e1a72fcca58-76034c4d082mr7493260b3a.7.1753321734689; Wed, 23 Jul 2025 18:48:54 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGNF/FxJN8S9VPMYDlqd+zaDnMBYiYx08UeUD4DYOcM/V096FBP/axlaYw4vfyBR6itOiPHtA== X-Received: by 2002:a05:6a00:3d4b:b0:75f:9622:4ebb with SMTP id d2e1a72fcca58-76034c4d082mr7493236b3a.7.1753321734272; Wed, 23 Jul 2025 18:48:54 -0700 (PDT) Received: from [192.168.1.111] (c-73-202-227-126.hsd1.ca.comcast.net. [73.202.227.126]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-761ae158d4bsm380439b3a.49.2025.07.23.18.48.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 23 Jul 2025 18:48:53 -0700 (PDT) Message-ID: <36da45e3-20e9-4ffd-9ab0-3f3804942eb9@oss.qualcomm.com> Date: Wed, 23 Jul 2025 18:48:52 -0700 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] drm/amdgpu: use kmalloc_array() instead of kmalloc() To: Yunshui Jiang , willy@infradead.org Cc: alexander.deucher@amd.com, chriistian.koenig@amd.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org References: <20250724013754.3429608-1-jiangyunshui@kylinos.cn> From: Jeff Johnson Content-Language: en-US In-Reply-To: <20250724013754.3429608-1-jiangyunshui@kylinos.cn> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=SPpCVPvH c=1 sm=1 tr=0 ts=68819107 cx=c_pps a=mDZGXZTwRPZaeRUbqKGCBw==:117 a=e70TP3dOR9hTogukJ0528Q==:17 a=IkcTkHD0fZMA:10 a=Wb1JkmetP80A:10 a=otUng5Y2uqA8c-M6AFMA:9 a=QEXdDO2ut3YA:10 a=zc0IvFSfCIW2DFIPzwfm:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNzI0MDAwOCBTYWx0ZWRfX4EVjZNoHkQRY wKRHpTRQdccXwvDtH98S9GzPda1btN0LoCXnJaQv6cdjyFXomlv7GmQd/ZH+BFMlq3j/SqwQYJ+ Hw5g12boy4mJmQCs88+dv9+pTgp9DGvEolVYPGeRAQ9ntliyBmPmqWQ8+3kVRqqed9qdQiXI5a5 hMqt76C4cqCLljKQ9R3dcdiWScf8tUddkL/fcr5NF3dVcTWwlxGo/FddzBcTq/Ntd2X3aURmod3 ueapWMcZXfr8pskjaAIsGK7RkWyh8Gg4nsJf7SxYzi319yiUdHKXD1prVMDF7Wmyc16iiPlxSQI HBBjbQmlgRXGITGw2CdDTV5nyTtpQuWjp/o3vfZJ3MRleu00Q2KFSydnrmnnwgk9PM9RiQNiOdd dHK/I3NyIQDwmMzLeSyPNg7r7gM/CuhYcE7MpUSgHqD/FV0rHP30jEdRgzk5e/Ovxzk8VE+b X-Proofpoint-ORIG-GUID: Dooo0PrjkMN5bTLhFcH7XTtYTG3psVHN X-Proofpoint-GUID: Dooo0PrjkMN5bTLhFcH7XTtYTG3psVHN X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-07-23_03,2025-07-23_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 adultscore=0 phishscore=0 malwarescore=0 mlxscore=0 bulkscore=0 clxscore=1015 priorityscore=1501 impostorscore=0 lowpriorityscore=0 mlxlogscore=621 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2507240008 On 7/23/2025 6:37 PM, Yunshui Jiang wrote: > Use kmalloc_array() instead of kmalloc() with multiplication. > kmalloc_array() is a safer way because of its multiply overflow check. > > Signed-off-by: Yunshui Jiang > --- 1) When you post a new version, you should add a revision history "after the cut" so that folks know what changed 2) The new version should be sent as a separate thread; don't make the new version In-Reply-To the previous version