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[70.31.27.79]) by smtp.gmail.com with ESMTPSA id bj9-20020a05620a190900b006b95b0a714esm14931361qkb.17.2022.12.06.08.21.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Dec 2022 08:21:55 -0800 (PST) Date: Tue, 6 Dec 2022 11:21:53 -0500 From: Peter Xu To: kernel test robot Cc: David Hildenbrand , oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Ives van Hoorne , stable@vger.kernel.org, Andrew Morton , Hugh Dickins , Alistair Popple , Mike Rapoport , Nadav Amit , Andrea Arcangeli Subject: Re: [PATCH] mm/uffd: Always wr-protect pte in pte_mkuffd_wp() Message-ID: References: <202212060801.yenOQCHL-lkp@intel.com> MIME-Version: 1.0 In-Reply-To: <202212060801.yenOQCHL-lkp@intel.com> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline X-Rspam-User: X-Spamd-Result: default: False [2.26 / 9.00]; BAYES_HAM(-3.84)[94.56%]; SORBS_IRL_BL(3.00)[209.85.160.197:received]; SUSPICIOUS_RECIPS(1.50)[]; SUBJECT_HAS_UNDERSCORES(1.00)[]; MID_RHS_NOT_FQDN(0.50)[]; RCVD_NO_TLS_LAST(0.10)[]; MIME_GOOD(-0.10)[text/plain]; BAD_REP_POLICIES(0.10)[]; PREVIOUSLY_DELIVERED(0.00)[linux-mm@kvack.org]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_TWELVE(0.00)[13]; ARC_NA(0.00)[]; R_DKIM_ALLOW(0.00)[redhat.com:s=mimecast20190719]; MIME_TRACE(0.00)[0:+]; TAGGED_RCPT(0.00)[]; DMARC_POLICY_ALLOW(0.00)[redhat.com,none]; TO_MATCH_ENVRCPT_SOME(0.00)[]; ARC_SIGNED(0.00)[hostedemail.com:s=arc-20220608:i=1]; DKIM_TRACE(0.00)[redhat.com:+]; R_SPF_ALLOW(0.00)[+ip4:170.10.129.0/24]; RCVD_COUNT_THREE(0.00)[4]; TO_DN_SOME(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[] X-Rspamd-Queue-Id: DA1291C0016 X-Rspamd-Server: rspam01 X-Stat-Signature: 84fh36f6coo44xwhxz1wkugwp6xzbp4s X-HE-Tag: 1670343719-672762 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue, Dec 06, 2022 at 08:46:17AM +0800, kernel test robot wrote: > vim +316 arch/x86/include/asm/pgtable.h > > 313 > 314 static inline pte_t pte_mkuffd_wp(pte_t pte) > 315 { > > 316 return pte_wrprotect(pte_set_flags(pte, _PAGE_UFFD_WP)); > 317 } It's interesting to know the bot will test any patch I attach in an mail reply, which is very nice... I'll send a formal patch for this one soon. -- Peter Xu