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Fri, 3 Jan 2025 05:57:27 -0500 (EST) Date: Fri, 3 Jan 2025 11:57:25 +0100 From: Marek =?utf-8?Q?Marczykowski-G=C3=B3recki?= To: Andrew Morton Cc: Andrew Cooper , 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 Subject: Re: [PATCH 6/8] modules: switch to execmem API for remapping as RW and restoring ROX Message-ID: References: <86eba318-464b-4b9b-a79e-64039b17be34@lucifer.local> <20250102215714.a37e828cf073ea6a14d30559@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; x-action=pgp-signed Content-Transfer-Encoding: 8bit In-Reply-To: <20250102215714.a37e828cf073ea6a14d30559@linux-foundation.org> X-Rspamd-Queue-Id: C64184000A X-Rspam-User: X-Rspamd-Server: rspam07 X-Stat-Signature: fdto81dqet6g44yntjtry8qj6t86fx9k X-HE-Tag: 1735901818-433772 X-HE-Meta: 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 T8c4AlST 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 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: -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 On Thu, Jan 02, 2025 at 09:57:14PM -0800, Andrew Morton wrote: > 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. The issue under Xen that Andrew linked happens on 6.13-rc5 which AFAICT doesn't this series yet. So, it's probably a different issue. - -- Best Regards, Marek Marczykowski-Górecki Invisible Things Lab -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEhrpukzGPukRmQqkK24/THMrX1ywFAmd3wpUACgkQ24/THMrX 1yzmigf/XurIB/pN9J44SKwSeCWCQMVu3ZjFfeQ7XiAl3IpiALExuGFtEiAX8sY/ BqA3MWs9AKpBz7qfUQGU3+tRUbEVQz/rHh8FBo3OBwZQJuxntlT291E4/FzIHUzN JZ0b6AAgU9MaSdOC0A0XGwFDbhTPbbqbHanyaVyCf+2QVCEW4OFcgnlUVBdIs6sW tXzKWNr70Jkq/XguvrWVBHgg5C3E/SfXZzoRIFCKfMuXfpqVVpa35X/Zf3+V8my/ n0Di7xZXQaXMSv72tQayI+/y2dT4PbLqTE+lhLf2UCXDn15WBHpmyppX9Nn3huEG L0NRHVLneeo25kRQuzGj04vWFem6MQ== =0Iqv -----END PGP SIGNATURE-----