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Bottomley" , Helge Deller , Huacai Chen , WANG Xuerui , linux-alpha@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 6/8] sh/mm: Stop using [p4d|pud|pmd]_ERROR() Message-Id: <20260831185315.ec745606e7eeae6d1116b7d1@linux-foundation.org> In-Reply-To: <20260831054331.625505-7-anshuman.khandual@arm.com> References: <20260831054331.625505-1-anshuman.khandual@arm.com> <20260831054331.625505-7-anshuman.khandual@arm.com> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspam-User: X-Stat-Signature: 5redsmtpp1nuquzw5o3ggafibn7k4f1c X-Rspamd-Queue-Id: CC5DF14000B X-Rspamd-Server: rspam06 X-HE-Tag: 1788227598-460498 X-HE-Meta: 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 sbyhtVfA ZM75q4NHO/RmMLAKn5IxDYZ409r0Idc4/+i6WIn2+mlr/dLX0gAXx08TVy0OT1z/gUaGRgPKVwDFDpfdAmCAMjYW3RTFM1mpIwzxd7BkZkfeMsnLZRnXA4Ashgir6O1ZQeBdMp6LiO8Ft0evgkd6BiJcCcF2IdWOR1Kt4nquWkRjRybPD3/A8P0uh8sLeeVZzp/bM57Z5cJXZqSLVwUktHzP6GO+7HwikWBUYxBT+5x5NEgbJ0mUMhaowb1FV1lmSruqQPENfAUEX+HXYf2ORnrcC3zyzgUiyZlTtiTBuYqsUcK4E+KYS8csYGs3T5z7OxTExzIXi1XIoy9Ty444MikDmskCO+PsVHCWJqNg3CrRNVGZJqazBn5lAlRT+yQsSc9wDZyXeS2o35XSwv7ekrjCXaDGi56A/R5sQdzvDBborpX62kjU+ZWd2BWvon6IURkC9LKYy0yvmO3vLVBEH9SUqMifncPpbA6+VriKD1f8/ncw= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, 31 Aug 2026 11:13:28 +0530 Anshuman Khandual wrote: > Stop using [p4d|pud|pmd]_ERROR() in __get_pte_phys() as the pgtable entries > are known to be NULL and hence could not really be accessed. A note to the sh maintainers: Sashiko might have found a couple of bugs in __get_pte_phys(): https://sashiko.dev/#/patchset/20260831054331.625505-1-anshuman.khandual@arm.com