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[71.184.117.43]) by smtp.gmail.com with ESMTPSA id t9sm1262482qkt.112.2019.12.05.06.38.17 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 05 Dec 2019 06:38:18 -0800 (PST) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 13.0 \(3601.0.10\)) Subject: Re: [PATCH v15 00/23] Generic page walk and ptdump From: Qian Cai In-Reply-To: Date: Thu, 5 Dec 2019 09:38:17 -0500 Cc: "Steven.Price@arm.com" , "linux-kernel@vger.kernel.org" , "peterz@infradead.org" , "ard.biesheuvel@linaro.org" , "linux-mm@kvack.org" , "tglx@linutronix.de" , "david@redhat.com" , "dave.hansen@linux.intel.com" , "James.Morse@arm.com" , "x86@kernel.org" , "akpm@linux-foundation.org" , "Mark.Rutland@arm.com" , "jglisse@redhat.com" , "catalin.marinas@arm.com" , "mingo@redhat.com" , "luto@kernel.org" , "bp@alien8.de" , "linux-arm-kernel@lists.infradead.org" , "hpa@zytor.com" , "arnd@arndb.de" , "kan.liang@linux.intel.com" , "will@kernel.org" Content-Transfer-Encoding: quoted-printable Message-Id: References: <20191204163235.GA1597@arm.com> To: Thomas Hellstrom X-Mailer: Apple Mail (2.3601.0.10) 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 Dec 5, 2019, at 9:32 AM, Thomas Hellstrom = wrote: >=20 > On Thu, 2019-12-05 at 08:15 -0500, Qian Cai wrote: >>> On Dec 4, 2019, at 11:32 AM, Steven Price >>> wrote: >>>=20 >>> I've bisected this problem and it's a merge conflict with: >>>=20 >>> ace88f1018b8 ("mm: pagewalk: Take the pagetable lock in >>> walk_pte_range()") >>=20 >> Sigh, how does that commit end up merging in the mainline without >> going through Andrew=E2=80=99s tree and missed all the linux-next = testing? It >> was merged into the mainline Oct 4th? >=20 > It was acked by Andrew to be merged through a drm tree, since it was > part of a graphics driver functionality. It was preceded by a fairly > lenghty discussion on linux-mm / linux-kernel. >=20 > It was merged into drm-next on 19-11-28, I think that's when it > normally is seen by linux-next. Merged into mainline 19-11-30. = Andrew's > tree got merged 19-12-05. Ah, that was the problem. Merged into the mainline after only a day or = two showed up in the linux-next. There isn=E2=80=99t enough time for = integration testing. >=20 > linux-next signaled a merge conflict from one of the patches in this > series (not this one) resolved manually with the akpm tree on = 19-12-02. >=20 > Thomas >=20 >=20 >=20 >=20 >=20 >=20