From: "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
To: Jiri Slaby <jirislaby@kernel.org>
Cc: linux-kernel@vger.kernel.org, linux-tip-commits@vger.kernel.org,
Steffen Dirkwinkel <lists@steffen.cc>,
Pedro Falcato <pfalcato@suse.de>,
"Mike Rapoport (Microsoft)" <rppt@kernel.org>,
Dave Hansen <dave.hansen@linux.intel.com>,
Atish Patra <atishp@meta.com>,
Nikunj A Dadhania <nikunj@amd.com>,
stable@vger.kernel.org, x86@kernel.org
Subject: Re: [tip: x86/urgent] x86/alternative: Exclude text poking against change_page_attr()
Date: Tue, 1 Sep 2026 08:24:44 +0100 [thread overview]
Message-ID: <apZ9aKI35SsApV7U@gremlin> (raw)
In-Reply-To: <386cbf7e-1734-4b56-ab7c-711d4f8ca48e@kernel.org>
On Tue, Sep 01, 2026 at 09:22:09AM +0200, Jiri Slaby wrote:
> On 01. 09. 26, 9:18, Lorenzo Stoakes (ARM) wrote:
> > On Tue, Sep 01, 2026 at 08:16:28AM +0200, Jiri Slaby wrote:
> > > On 01. 09. 26, 0:27, tip-bot2 for Pedro Falcato wrote:
> > > > The following commit has been merged into the x86/urgent branch of tip:
> > > >
> > > > Commit-ID: 1c4d1c070d734b241728378c0f79950c23a10883
> > > > Gitweb: https://git.kernel.org/tip/1c4d1c070d734b241728378c0f79950c23a10883
> > >
> > > Was it dropped in the meantime? Gitweb says:
> > > Object 1c4d1c070d734b241728378c0f79950c23a10883 is not reachable from any
> > > reference in this repository
> > >
> > > $ git rev-parse tip/x86/urgent
> > > 477cf5cd1f698053df7426b7b8d9339e85e00946
> > > $ git branch -r --contains 1c4d1c070d734b241728378c0f79950c23a10883
> > > $
> > >
> > > Despite I managed to download it at some point though:
> > > $ git show --oneline -s 1c4d1c070d734b241728378c0f79950c23a10883
> > > 1c4d1c070d73 x86/alternative: Exclude text poking against change_page_attr()
> > >
> > > What's going on with tip today?
> >
> > Yup, I can't see this commit _at all_ in x86/urgent. Something's very
> > broken here.
>
> FTR, I dug out the logs:
> + 096edb090797...4a0e6473921a master -> tip/master (forced update)
> + 096edb090797...4a0e6473921a tip/urgent -> tip/tip/urgent (forced update)
> + 34cd1c931a36...477cf5cd1f69 x86/urgent -> tip/x86/urgent (forced update)
>
> The original x86/urgent's HEAD (34cd1c931a36) indeed contains the commit
> (1c4d1c070d7).
I mean 'forced updated' gives me hope at least that these patches can be rebased
back to sanity :)
>
> > > > Author: Pedro Falcato <pfalcato@suse.de>
> > > > AuthorDate: Thu, 13 Aug 2026 12:01:26 +03:00
> > > > Committer: Dave Hansen <dave.hansen@linux.intel.com>
> > > > CommitterDate: Mon, 31 Aug 2026 15:17:35 -07:00
> > > >
> > > > x86/alternative: Exclude text poking against change_page_attr()
> > > thanks,
> > > --
> > > js
> > > suse labs
> >
> > --
> > Cheers, Lorenzo
>
>
> --
> js
> suse labs
--
Cheers, Lorenzo
next prev parent reply other threads:[~2026-09-01 7:24 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-13 9:01 [PATCH v2 0/5] x86/mm/pat: CPA fixes Mike Rapoport
2026-08-13 9:01 ` [PATCH v2 1/5] x86/mm/pat: acquire init_mm write lock on collapse to avoid UAF Mike Rapoport
2026-08-31 22:27 ` [tip: x86/urgent] x86/mm/pat: Acquire " tip-bot2 for Lorenzo Stoakes (ARM)
2026-09-01 6:03 ` Jiri Slaby
2026-09-01 7:10 ` Lorenzo Stoakes (ARM)
2026-09-01 23:36 ` Dave Hansen
2026-09-02 6:53 ` Lorenzo Stoakes (ARM)
2026-09-08 9:32 ` Mike Rapoport
2026-09-08 10:12 ` Lorenzo Stoakes (ARM)
2026-09-08 13:58 ` Dave Hansen
2026-09-08 15:14 ` Dave Hansen
2026-09-08 15:17 ` Vlastimil Babka (SUSE)
2026-09-08 19:59 ` Dave Hansen
2026-09-08 23:00 ` Update on CPA fixes, x86/urgent and x86/mm Dave Hansen
2026-09-09 6:40 ` Ingo Molnar
2026-09-09 6:45 ` Ingo Molnar
2026-09-02 18:33 ` [tip: x86/urgent] x86/mm/pat: Acquire init_mm write lock on collapse to avoid UAF tip-bot2 for Lorenzo Stoakes (ARM)
2026-09-08 7:21 ` [tip: x86/mm] " tip-bot2 for Lorenzo Stoakes (ARM)
2026-09-08 22:51 ` [tip: x86/urgent] " tip-bot2 for Lorenzo Stoakes (ARM)
2026-09-09 6:44 ` tip-bot2 for Lorenzo Stoakes (ARM)
2026-08-13 9:01 ` [PATCH v2 2/5] x86/mm/pat: acquire init_mm read lock on attribute change " Mike Rapoport
2026-08-31 22:27 ` [tip: x86/urgent] x86/mm/pat: Acquire " tip-bot2 for Lorenzo Stoakes (ARM)
2026-09-01 6:05 ` Jiri Slaby
2026-09-01 7:20 ` Lorenzo Stoakes (ARM)
2026-09-01 13:46 ` Dave Hansen
2026-09-02 18:33 ` tip-bot2 for Lorenzo Stoakes (ARM)
2026-09-08 7:21 ` [tip: x86/mm] x86/mm/pat: Acquire init_mm read lock on attribute changes " tip-bot2 for Lorenzo Stoakes (ARM)
2026-09-08 22:51 ` [tip: x86/urgent] " tip-bot2 for Lorenzo Stoakes (ARM)
2026-09-09 6:44 ` tip-bot2 for Lorenzo Stoakes (ARM)
2026-08-13 9:01 ` [PATCH v2 3/5] x86/alternative: exclude text poking against change_page_attr() Mike Rapoport
2026-08-25 9:37 ` Jiri Slaby
2026-08-31 22:27 ` [tip: x86/urgent] x86/alternative: Exclude " tip-bot2 for Pedro Falcato
2026-09-01 6:16 ` Jiri Slaby
2026-09-01 7:18 ` Lorenzo Stoakes (ARM)
2026-09-01 7:22 ` Jiri Slaby
2026-09-01 7:24 ` Lorenzo Stoakes (ARM) [this message]
2026-09-02 18:33 ` tip-bot2 for Pedro Falcato
2026-09-08 7:21 ` [tip: x86/mm] x86/alternatives: " tip-bot2 for Pedro Falcato
2026-09-08 22:51 ` [tip: x86/urgent] " tip-bot2 for Pedro Falcato
2026-09-09 6:44 ` tip-bot2 for Pedro Falcato
2026-08-13 9:01 ` [PATCH v2 4/5] x86/mm/pat: allocate split page tables as kernel page tables Mike Rapoport
2026-08-31 22:27 ` [tip: x86/urgent] x86/mm/pat: Allocate " tip-bot2 for Lorenzo Stoakes (ARM)
2026-09-02 18:33 ` tip-bot2 for Lorenzo Stoakes (ARM)
2026-09-08 7:21 ` [tip: x86/mm] " tip-bot2 for Lorenzo Stoakes (ARM)
2026-09-08 22:51 ` [tip: x86/urgent] " tip-bot2 for Lorenzo Stoakes (ARM)
2026-09-09 6:44 ` tip-bot2 for Lorenzo Stoakes (ARM)
2026-08-13 9:01 ` [PATCH v2 5/5] x86/mm/pat: fix effective RW computation in lookup_address_in_pgd_attr() Mike Rapoport (Microsoft)
2026-08-13 9:45 ` Lorenzo Stoakes (ARM)
2026-08-31 22:27 ` [tip: x86/urgent] x86/mm/pat: Fix " tip-bot2 for Mike Rapoport (Microsoft)
2026-09-02 18:33 ` tip-bot2 for Mike Rapoport (Microsoft)
2026-09-05 4:42 ` Nathan Chancellor
2026-09-06 14:50 ` Dave Hansen
2026-09-06 18:12 ` Nathan Chancellor
2026-09-06 19:12 ` Dave Hansen
2026-09-06 19:52 ` Mike Rapoport
2026-09-07 6:46 ` Mike Rapoport
2026-09-07 22:28 ` Nathan Chancellor
2026-09-08 9:29 ` Mike Rapoport
2026-09-08 22:52 ` [tip: x86/mm] " tip-bot2 for Mike Rapoport (Microsoft)
2026-08-13 15:05 ` [PATCH v2 0/5] x86/mm/pat: CPA fixes Nikunj A. Dadhania
2026-08-13 15:07 ` Lorenzo Stoakes (ARM)
2026-08-13 15:23 ` Pedro Falcato
2026-08-13 17:13 ` Andrew Morton
2026-08-25 7:12 ` Atish Patra
2026-08-25 7:31 ` Lorenzo Stoakes (ARM)
2026-08-25 20:05 ` Atish Patra
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