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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-69acd1d32c6sm1861799a12.31.2026.07.09.04.20.43 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 09 Jul 2026 04:20:46 -0700 (PDT) Message-ID: <73b82749-2df3-4c12-bc2a-ff7628dc8292@oss.qualcomm.com> Date: Thu, 9 Jul 2026 13:20:43 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [patch 10/18] entry: Use syscall number instead of rereading it Content-Language: en-US To: Thomas Gleixner , LKML Cc: Peter Zijlstra , Michael Ellerman , Shrikanth Hegde , linuxppc-dev@lists.ozlabs.org, Kees Cook , Huacai Chen , loongarch@lists.linux.dev, Paul Walmsley , Palmer Dabbelt , linux-riscv@lists.infradead.org, Sven Schnelle , linux-s390@vger.kernel.org, x86@kernel.org, Mark Rutland , Jinjie Ruan , Andy Lutomirski , Oleg Nesterov , Richard Henderson , Russell King , Catalin Marinas , Guo Ren , Geert Uytterhoeven , Thomas Bogendoerfer , Helge Deller , Yoshinori Sato , Richard Weinberger , Chris Zankel , linux-arm-kernel@lists.infradead.org, linux-alpha@vger.kernel.org, linux-csky@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linux-sh@vger.kernel.org, linux-um@lists.infradead.org, Arnd Bergmann , Vineet Gupta , Will Deacon , Brian Cain , Michal Simek , Dinh Nguyen , "David S. Miller" , Andreas Larsson , linux-snps-arc@lists.infradead.org, linux-hexagon@vger.kernel.org, linux-openrisc@vger.kernel.org, sparclinux@vger.kernel.org, linux-arch@vger.kernel.org, =?UTF-8?Q?Michal_Such=C3=A1nek?= , Jonathan Corbet , linux-doc@vger.kernel.org References: <20260707181957.433213175@kernel.org> <20260707190254.181086755@kernel.org> From: =?UTF-8?Q?Philippe_Mathieu-Daud=C3=A9?= In-Reply-To: <20260707190254.181086755@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: 5i-QWvhzvwqWBcLSVNfpWf4T2D6fVTRI X-Proofpoint-GUID: 5i-QWvhzvwqWBcLSVNfpWf4T2D6fVTRI X-Authority-Analysis: v=2.4 cv=TPh1jVla c=1 sm=1 tr=0 ts=6a4f8410 cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=4s3hRJSeHn4rkQlkrse1kQ==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=M51BFTxLslgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=VwQbUJbxAAAA:8 a=uucGcSui7XbmpEV0VHgA:9 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzA5MDEwOCBTYWx0ZWRfX8/PpB0EZoWqu aiyhuqyTcCc+QKSuFDfKIhYWR53jPHTOq7YJBD0zR2ks/wp41uyMWTN3ruEW6yx+o1g09DqsfbA Z+4DZ8wxoRHXUC2h24iJOiYuRbkTylo= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzA5MDEwOCBTYWx0ZWRfX2MSCKGMzTGO6 kIm6qDkKkokIViuUlAyxZjGWfGRlzJu4Kn1HvHKqxC1/+jfq/NEo3wBY2REgwFk8Hjp7i8qlcSA YQwHbiSYvL1lGe8dIENvu221PtKs8tZL55QjZ43moDzSm/QVRbwUeKvi8TKzQnShJXmkfivtzBw gbr6ZUsQWkqfNDuD1vTN5S4p5Sln5AiL0lV0Y8tX3Xp8sfyfxmbA0oDpPwOEb7cchH7epYa8+nj COOCavvOpjGe2a5r9XY1E8OymcytNTyZFFybzp6bEEhiaqH+NlVxqFT209gjkKDZWp71vDZ+WXv zSm4GRor9cP+KTV/I+NkqvlwbiWkXRcp4BG2s2EPr8+I5iq13uPrksTYH0vKmO1y251Tl0oOIgU 685vRHhoZpRKN+M8IyJ7KP9vJ1b3FoKKzhdpMa1HLjKZTqB7DG7zOIIgTVFoW49KWSCt0IbrELt rcVur6/0OyUbgpLc+vw== 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=2026-07-09_02,2026-07-09_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 impostorscore=0 adultscore=0 bulkscore=0 phishscore=0 lowpriorityscore=0 clxscore=1015 malwarescore=0 spamscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607090108 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260709_122052_155405_08673654 X-CRM114-Status: GOOD ( 12.40 ) X-BeenThere: linux-um@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-um" Errors-To: linux-um-bounces+linux-um=archiver.kernel.org@lists.infradead.org On 7/7/26 21:06, Thomas Gleixner wrote: > rseq_syscall_enter_work() is invoked before the syscall number can be > modified. So there is no point in rereading it from pt_regs. > > Signed-off-by: Thomas Gleixner > --- > include/linux/entry-common.h | 9 +++++---- > 1 file changed, 5 insertions(+), 4 deletions(-)