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[92.26.98.202]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4366127c508sm468771585e9.33.2025.01.02.18.06.10 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 02 Jan 2025 18:06:12 -0800 (PST) Message-ID: Date: Fri, 3 Jan 2025 02:06:10 +0000 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: lorenzo.stoakes@oracle.com Cc: akpm@linux-foundation.org, anton.ivanov@cambridgegreys.com, bp@alien8.de, brendan.higgins@linux.dev, da.gomez@samsung.com, danielt@kernel.org, dave.hansen@linux.intel.com, davidgow@google.com, dianders@chromium.org, hpa@zytor.com, jason.wessel@windriver.com, jikos@kernel.org, joe.lawrence@redhat.com, johannes@sipsolutions.net, jpoimboe@kernel.org, kgdb-bugreport@lists.sourceforge.net, kirill.shutemov@linux.intel.com, kunit-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org, linux-modules@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-um@lists.infradead.org, live-patching@vger.kernel.org, luto@kernel.org, mark.rutland@arm.com, mbenes@suse.cz, mcgrof@kernel.org, mhiramat@kernel.org, mingo@redhat.com, peterz@infradead.org, petr.pavlu@suse.com, pmladek@suse.com, richard@nod.at, rmoar@google.com, rostedt@goodmis.org, rppt@kernel.org, samitolvanen@google.com, shuah@kernel.org, song@kernel.org, tglx@linutronix.de, x86@kernel.org, Juergen Gross , =?UTF-8?Q?Marek_Marczykowski-G=C3=B3recki?= References: <86eba318-464b-4b9b-a79e-64039b17be34@lucifer.local> Subject: Re: [PATCH 6/8] modules: switch to execmem API for remapping as RW and restoring ROX Content-Language: en-GB From: Andrew Cooper Autocrypt: addr=andrew.cooper3@citrix.com; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 6084320002 X-Stat-Signature: ypm5ex1n98i9wzsgqwakaq8of4at3kwk X-Rspam-User: X-HE-Tag: 1735869925-866888 X-HE-Meta: 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 k2Kriw8e 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000002, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: > Hi Mike, > > This commit is making my intel box not boot in mm-unstable :>) I bisected it to > this commit. For what it's worth, we've found the same under Xen too. There's one concrete bug in the series, failing to cope with the absence of superpages (fix in https://lore.kernel.org/xen-devel/6bb03333-74ca-4c2c-85a8-72549b85a5b4@suse.com/ but not formally posted yet AFAICT). The rest of the thread then found a crash looking to be the same as reported here, but you've made better progress narrowing it down than we have. ~Andrew