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Wed, 8 Apr 2026 04:28:21 +0000 (GMT) From: Madhavan Srinivasan To: Michael Ellerman , Nicholas Piggin , "Christophe Leroy (CS GROUP)" Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Subject: Re: [PATCH] powerpc/align: Convert emulate_spe() to scoped user access Date: Wed, 8 Apr 2026 09:58:21 +0530 Message-ID: <177562236432.1381144.11990579475809342693.b4-ty@linux.ibm.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <4ff83cb240da4e2d0c34e2bce4b8b6ef19a33777.1773136880.git.chleroy@kernel.org> References: <4ff83cb240da4e2d0c34e2bce4b8b6ef19a33777.1773136880.git.chleroy@kernel.org> 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="utf-8" Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDA4MDAzNiBTYWx0ZWRfX6vy2qaSCH6FV lgX3wczUbPp8C4+MzpsDeQanIZxHo6OqEGCx3GHY/WJIgOh9UJWqCZ02UPKMNALwwAgQ1Oh+rn2 gixH/rhZ0zFICLAnebFU7FsnkhL1a3Vtk80WtzFHRpGfFb4YoRkkypB0nIihMq/gufwqdaOU7vi by6OYwNCAPLOKrzw6Kl7dapCiOOVZvOmtl0yEgGu8+xEfDxD/ek4f0/xeYtWwc1ph6e0X4QwN2C PgA4Xiv5EUINW2EmtFGX+Gh51eG91/VJNO9axEwHeM04lcId8GDOi9GNmHHbDa7p4GhiRGK7IEg LwUSOwC+wtA7ZvpFxn5vSN8H0MeTuNmfSL+alAJCM1nvEwL3xjaM10WWIJaCj2JybbwZb/ru9pU IsFXkYVuPJRhuPJPklGsfSovaUBPsE3XDUQsUAO3SVUx/UjzlptLixsD7Qs74daYImpoF2xVt/L 6E0buSEyLCXVf5YdtlQ== X-Proofpoint-GUID: JEP8lBCCTqhjJb8kEe_9wU8XL3sWFKjM X-Authority-Analysis: v=2.4 cv=a/wAM0SF c=1 sm=1 tr=0 ts=69d5d96a cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=V8glGbnc2Ofi9Qvn3v5h:22 a=VwQbUJbxAAAA:8 a=Xnn0j8UZnTOuyrh_SIYA:9 a=QEXdDO2ut3YA:10 a=zZCYzV9kfG8A:10 X-Proofpoint-ORIG-GUID: 4wPuqsSczx8-76iqI99YRsYa4axC4KDa X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-08_02,2026-04-07_05,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 clxscore=1015 spamscore=0 impostorscore=0 priorityscore=1501 phishscore=0 lowpriorityscore=0 adultscore=0 malwarescore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604010000 definitions=main-2604080036 On Tue, 10 Mar 2026 11:01:31 +0100, Christophe Leroy (CS GROUP) wrote: > Commit 861574d51bbd ("powerpc/uaccess: Implement masked user access") > provides optimised user access by avoiding the cost of access_ok(). > > Convert emulate_spe() to scoped user access to benefit from masked > user access. > > Scoped user access also make the code simpler. > > [...] Applied to powerpc/next. [1/1] powerpc/align: Convert emulate_spe() to scoped user access https://git.kernel.org/powerpc/c/bf53ede0038fe2a7b02cad85f337aba43ced572a cheers