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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 Precedence: bulk X-Mailing-List: linux-arch@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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-Spam-Info: AW1haW4tMjYwNzA5MDEwOCBTYWx0ZWRfX9sFA4NbpfJxq KKE65/A4eJK/muPZbZ8rgw8dEozTt/PE23tHAF26mGPyPd8s0T5YsRO4lLne6McAuKup4ePaSsS /NGvpBePrF0T2jZSzX/F49MPB5hQA+E= X-Proofpoint-ORIG-GUID: CnISKOy3eI7rh0UvApM68n90eBamYS0R X-Authority-Analysis: v=2.4 cv=cOLQdFeN c=1 sm=1 tr=0 ts=6a4f8410 cx=c_pps a=EVbN6Ke/fEF3bsl7X48z0g==: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=_K5XuSEh1TEqbUxoQ0s3:22 a=VwQbUJbxAAAA:8 a=uucGcSui7XbmpEV0VHgA:9 a=QEXdDO2ut3YA:10 a=a_PwQJl-kcHnX1M80qC6:22 X-Proofpoint-GUID: CnISKOy3eI7rh0UvApM68n90eBamYS0R X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzA5MDEwOCBTYWx0ZWRfX7zpgR3GIU3jr hw3qN0/mttfgRRPnc6JgBa3id5P0OXWR5qiQHfIRtuKgpWX/YW8Ddg/97ProtaZYdxG3N8SSh8V jBimLUQXl1ut3avHkCcoX54Tp1/y4Hznj2yfj7PYrKuagyla8Rheq1cB7BuMU1tFGcb2YhtK0dX 2ZYpHVS+6XvLhRd0cJZlxFoGA1W3vzV6nVBEVNXnt66Rb4qyjST1vfpEHBS/ukAcnok8O6fHvWE mejB/UshnM8Z/qkyp8vCWJ7ulf4hcMOxim5Xqgx0T1t12gkclPyOH04qsZC9tMJewXGQOCPJ8lo yMFAqt1AD61JdyiMDxT/AOJlyRDi4uluVaYxoxDJxBGFh3M9kP9J+VWnIM66JX3NhqbvaZnGsFy znE1e7BqMtoGoGFx82+wGTWLCAUDnTZN6oiajCdXPSK6WZmswolBfTYsMvnEpDUaY2IdT27IrIP ARVrGBvLehnwmZ2drng== 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 malwarescore=0 clxscore=1015 priorityscore=1501 bulkscore=0 spamscore=0 lowpriorityscore=0 phishscore=0 suspectscore=0 impostorscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607090108 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(-)