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Fri, 31 Jul 2026 13:30:00 +0000 (GMT) Received: from p1lg14885.dc01.its.hpecorp.net (unknown [10.119.18.236]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by p1lg14879.it.hpe.com (Postfix) with ESMTPS id 9643112EA9; Fri, 31 Jul 2026 13:30:00 +0000 (UTC) Received: from hpe.com (unknown [16.231.227.36]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (2048 bits) server-digest SHA256) (Client did not present a certificate) by p1lg14885.dc01.its.hpecorp.net (Postfix) with ESMTPS id 5ABA7800EF4; Fri, 31 Jul 2026 13:29:59 +0000 (UTC) Date: Fri, 31 Jul 2026 08:29:57 -0500 From: Dimitri Sivanich To: Greg Kroah-Hartman Cc: Muhammad Usama Anjum , Dimitri Sivanich , Arnd Bergmann , linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/3] misc: sgi-gru: Remove broken page-table walks Message-ID: References: <20260730111316.3672672-1-usama.anjum@arm.com> <2026073117-rounding-professed-1c2b@gregkh> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2026073117-rounding-professed-1c2b@gregkh> X-Authority-Analysis: v=2.4 cv=FNErAeos c=1 sm=1 tr=0 ts=6a6ca358 cx=c_pps a=5jkVtQsCUlC8zk5UhkBgHg==:117 a=5jkVtQsCUlC8zk5UhkBgHg==:17 a=kj9zAlcOel0A:10 a=RAioF0-LDSMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=gQcMVamqm3wCPoSYhaRC:22 a=ay80y3fxfMS_JZZz1qJy:22 a=C9-LygDhdLCVJ_Gw0uQA:9 a=CjuIK1q_8ugA:10 a=ZXulRonScM0A:10 X-Proofpoint-ORIG-GUID: eMuEW4OJoYbrXkXis8p9dSAAM1FUe4Mo X-Proofpoint-GUID: eMuEW4OJoYbrXkXis8p9dSAAM1FUe4Mo X-Proofpoint-Spam-Info: AW1haW4tMjYwNzMxMDEwMiBTYWx0ZWRfX33f05oy8S9D9 IRxuscH/5CmlTkMAG3jDfCZjYxFaHgj/sCHyVj3OfJIWivqyNwW878Qswo9U5bgWtIvCrZR/yVK PKMeKmkOz3KEtK9fiLICHGD7seP5smM= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzMxMDEwMiBTYWx0ZWRfX7T8v4S7j0d4U lrxqRx1za3ObcCMioODnydirhwQk0GTUnpvkSkTpzyV2g2dc3hz3u5WpcgGIW3HKyanVm9zZlm3 VEhbbTOwRSLXMpdDP9KosaS+fEzS6WQ21e4VRBD5xX20DaiT5nmPQRY/wNEzK/beboIM8hHEmd0 KAPyQJcNIyHD6LFE3BxjxSbJWbFM6UcEQNyznDlJkNV+FSMSwgrc3hvc4ahu6kpD2PbzoNzth2h ceHeiarbuqAhtw5a6ln1g51ZSQmj3yglZu5eSNzbei+Y189jbpU1rIo57h2ew+Tvz4eq7/pN9Gv 0SR819hScbhOfw44ly1cYe2V4LT2Yl8Pr78SJF3YeqGI3n4AY0HW93gyt6HdiKDiGbZGgT7aNdr spx8M4ONiVTRk03ZGHuUE22hyNDY++v07i3ZzMQQN7TBYF+1y+vj3+vE8RrnEtYc+CZptO5olVa d5j8Wt66KK+FEW6q3Vg== X-HPE-SCL: -1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-31_04,2026-07-30_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 suspectscore=0 malwarescore=0 spamscore=0 impostorscore=0 clxscore=1015 phishscore=0 bulkscore=0 priorityscore=1501 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607310102 On Fri, Jul 31, 2026 at 01:32:48PM +0200, Greg Kroah-Hartman wrote: > On Thu, Jul 30, 2026 at 07:22:18AM -0500, Dimitri Sivanich wrote: > > Muhammad, > > > > I should let you know that we're currently and actively working on a > > forthcoming patch to remove the sgi-gru driver, due to security concerns. We > > hope to submit this patch soon. > > A patch to "delete the driver" should be quite simple. > > But until that shows up, I'll queue these up as they fix the obvious > problems in the code today. > Greg, The patchset will involve two drivers. The sgi-xp driver makes heavy use of sgi-gru. The decision has been made to remove both.