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b=aQZpAR0mwD+9uME8jJKLdIKsDsBBNx7RFftbrdOt2Z9ezUhGkaSxQYeWN3B5a5lXK swbw4eAbHvBcyBGp53eUADLv9enJyd7F1VABGcwP2T6kkfI7+ZcsM5B7c9YUKvQsve 5gOb9teUK9gxiG0ELqADgwYPpQaTpTwlUT6BuhO0= Date: Thu, 2 Jan 2025 21:57:14 -0800 From: Andrew Morton To: Andrew Cooper Cc: lorenzo.stoakes@oracle.com, 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 , Marek =?ISO-8859-1?Q?Marczykowski-G=F3recki?= Subject: Re: [PATCH 6/8] modules: switch to execmem API for remapping as RW and restoring ROX Message-Id: <20250102215714.a37e828cf073ea6a14d30559@linux-foundation.org> In-Reply-To: References: <86eba318-464b-4b9b-a79e-64039b17be34@lucifer.local> X-Mailer: Sylpheed 3.7.0 (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-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: B3FEE20009 X-Stat-Signature: ysunx8fpss5cqes7ktkptbgsnz6q5je8 X-Rspam-User: X-HE-Tag: 1735883789-188852 X-HE-Meta: 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 OQwzENAJ ebcU2qnwcQxC0qla+oN+cs0LA4A5GSHAfdhq0lhbBEvcBYTg5CtGp2uf8X28nlJZnCA1StvRbm9koLbiCZ2Ok5wf8E4paveKbOq2M+FcknPgU30yML54xIdQI1M4RLWBcxY6foMjsUOXEKH8epL+QNNBgp9LUTGvnkJ+HSoIyvtlvg6c3PGBohxJE/IlUfr1Lnzu2ZZCLLoSW9ixE+aAbR0+liUhIyQg4wxbYd0RjNV8SB+bEaOrpXrQNZkki2wzoQ9OnNFb43goLLMiGucMALYGUGOV23svMAjjSpinxeYEGzylRf/I2yvqc238tuk6Lqz643O69CV1PdxakAt+e7lbRoLpJJNoqjsPuzP4opUlTGiM= 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: List-Subscribe: List-Unsubscribe: On Fri, 3 Jan 2025 02:06:10 +0000 Andrew Cooper wrote: > > 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. > Thanks. I removed this series from mm.git while this is worked on.