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J . Bottomley" , "Martin K . Petersen" , Ming Lei , Hannes Reinecke , Christoph Hellwig , Paolo Bonzini , linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, Aditya Kali , tytso@mit.edu, Guenter Roeck , maze@google.com Subject: Re: [PATCH] scsi: sd: Contribute to randomness when running rotational device From: "Martin K. Petersen" Organization: Oracle Corporation References: <20180906203719.209399-1-xueweiz@google.com> Date: Mon, 17 Sep 2018 02:58:16 -0400 In-Reply-To: <20180906203719.209399-1-xueweiz@google.com> (Xuewei Zhang's message of "Thu, 6 Sep 2018 13:37:19 -0700") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9018 signatures=668708 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=568 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1807170000 definitions=main-1809170074 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Xuewei, > Currently a scsi device won't contribute to kernel randomness when it > uses blk-mq. Since we commonly use scsi on rotational device with > blk-mq, it make sense to keep contributing to kernel randomness in these > cases. This is especially important for virtual machines. Applied to 4.19/scsi-fixes, thank you! -- Martin K. Petersen Oracle Linux Engineering