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From: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
To: Jeff Xu <jeffxu@chromium.org>
Cc: "Andrew Morton" <akpm@linux-foundation.org>,
	"Kees Cook" <keescook@chromium.org>,
	"Jann Horn" <jannh@google.com>,
	"Linus Torvalds" <torvalds@linux-foundation.org>,
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	<linux-hardening@vger.kernel.org>,
	linux-mm@kvack.org, "Jorge Lucangeli Obes" <jorgelo@chromium.org>,
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	"hch@lst.de" <hch@lst.de>, "ojeda@kernel.org" <ojeda@kernel.org>,
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	"Helge Deller" <deller@gmx.de>,
	"Randy Dunlap" <rdunlap@infradead.org>,
	"davem@davemloft.net" <davem@davemloft.net>,
	"Peter Xu" <peterx@redhat.com>,
	"f.fainelli@gmail.com" <f.fainelli@gmail.com>,
	"gerg@kernel.org" <gerg@kernel.org>,
	"dave.hansen@linux.intel.com" <dave.hansen@linux.intel.com>,
	"Ingo Molnar" <mingo@kernel.org>,
	"ardb@kernel.org" <ardb@kernel.org>,
	"mhocko@suse.com" <mhocko@suse.com>,
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	"peterz@infradead.org" <peterz@infradead.org>,
	"ardb@google.com" <ardb@google.com>,
	"Elliott Hughes" <enh@google.com>,
	"rientjes@google.com" <rientjes@google.com>,
	"Guenter Roeck" <groeck@chromium.org>,
	"Michael Ellerman" <mpe@ellerman.id.au>,
	"Alexander Mikhalitsyn" <aleksandr.mikhalitsyn@canonical.com>,
	"Mike Rapoport" <mike.rapoport@gmail.com>
Subject: Re: your mail
Date: Fri, 28 Feb 2025 17:30:09 +0000	[thread overview]
Message-ID: <a05e6abc-f767-4b29-96fd-1ce055ce8a51@lucifer.local> (raw)
In-Reply-To: <CABi2SkX8QM7W0uCUBPFhjrC3psr1HDHLe2i-9hzh81UyKsBuQA@mail.gmail.com>

On Fri, Feb 28, 2025 at 09:24:11AM -0800, Jeff Xu wrote:

[snip]

> > >
> > > When the vdso is marked with "sl", mremap() will fail, that's part of
> > > the mseal() business logic and belongs in mseal_test. The mseal_test
> > > already covers the mseal, and this series doesn't change mseal.
> > >
> > > As for the "sl", as I responded in the "refactor mseal_test" [1] , it
> > > will be part of the verifying step:
> > >
> > > [1] https://lore.kernel.org/all/CABi2SkUv_1gsuGh86AON-xRLAggCvDqJMHxT17mGy-XutSTAwg@mail.gmail.com/
> >
> > OK cool thanks. I will look at this when I can, I'm just snowed under
> > pre-LSF and have been sick so backlog, backlog as discussed off-list. But
> > it's not been forgotten (whiteboard etc. etc.)
> >
> Ya, no worry about that review, please take time to recover, I will wait.
> And appreciate your time and take priority for reviewing this series.

Thanks :)

[snip]

> > >
> > > Option two is to create a new path:
> > > tools/testing/selftests/sealsysmap. Then, add
> > > CONFIG_SEAL_SYSTEM_MAPPING=y to the config file and add a selftest to
> > > this path. This seems to be the preferred way by selftest, but we need
> > > a new dir for that.
> >
> > OK I like option 2 let's do this.
> >
> > But let's call it mseal_system_mappings (yes I"m being nitty again :) I
> > really want to try to _explicitly_ say 'mseal' because we have other forms
> > of sealing.
> >
> Sure.

Thanks!

>
> If long path names aren't a problem, I will use mseal_system_mappings,
> otherwise mseal_sysmap.

I think long form is fine.

[snip]

> > >
> > > In any case, I think the risk is low, and the code changes are quite
> > > simple, and fully tested.
> >
> > Yeah indeed, but I'd really like _something_ if possible. If option 2 is
> > relatively quick let's get that sorted out!
> >
> Great ! I will work on option 2.

Perfect cheers!

>
> Thanks
> -Jeff


  reply	other threads:[~2025-02-28 17:30 UTC|newest]

Thread overview: 122+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-24 22:52 [PATCH v7 0/7] mseal system mappings jeffxu
2025-02-24 22:52 ` [PATCH v7 1/7] mseal, system mappings: kernel config and header change jeffxu
2025-02-25  6:05   ` Lorenzo Stoakes
2025-02-26  1:33     ` Jeff Xu
2025-02-26  6:04       ` Lorenzo Stoakes
2025-02-28  0:04         ` Jeff Xu
2025-02-28 10:32           ` Lorenzo Stoakes
2025-02-25 15:22   ` Liam R. Howlett
2025-02-25 15:37     ` Lorenzo Stoakes
2025-02-26  0:04     ` Jeff Xu
2025-02-24 22:52 ` [PATCH v7 2/7] selftests: x86: test_mremap_vdso: skip if vdso is msealed jeffxu
2025-02-25  6:15   ` Lorenzo Stoakes
2025-02-25 22:37     ` Jeff Xu
2025-02-26  5:58       ` Lorenzo Stoakes
2025-02-24 22:52 ` [PATCH v7 3/7] mseal, system mappings: enable x86-64 jeffxu
2025-02-25  1:03   ` Kees Cook
2025-02-26  0:21     ` Jeff Xu
2025-02-25  8:08   ` Thomas Weißschuh
2025-02-26  0:48     ` Jeff Xu
2025-02-26  7:35       ` Thomas Weißschuh
2025-02-27 21:44         ` Jeff Xu
2025-02-24 22:52 ` [PATCH v7 4/7] mseal, system mappings: enable arm64 jeffxu
2025-02-25  6:20   ` Lorenzo Stoakes
2025-02-25 22:26     ` Jeff Xu
2025-02-26  5:25       ` Lorenzo Stoakes
2025-02-26 17:11         ` Liam R. Howlett
2025-02-26 17:17           ` Jeff Xu
2025-02-26 17:43             ` Lorenzo Stoakes
2025-02-26 18:14               ` Lorenzo Stoakes
2025-02-28  0:48               ` Jeff Xu
2025-02-28 10:31                 ` Lorenzo Stoakes
2025-02-24 22:52 ` [PATCH v7 5/7] mseal, system mappings: enable uml architecture jeffxu
2025-02-25  6:22   ` Lorenzo Stoakes
2025-02-25  8:45     ` Berg, Benjamin
2025-02-25 10:37       ` Lorenzo Stoakes
2025-02-25 12:24         ` Benjamin Berg
2025-02-25 13:41           ` Lorenzo Stoakes
2025-02-25 13:59             ` Johannes Berg
2025-02-25 15:06         ` Kees Cook
2025-02-25 15:31           ` Lorenzo Stoakes
2025-02-25 18:38             ` Kees Cook
2025-02-26  0:00               ` Jeff Xu
2025-02-24 22:52 ` [PATCH v7 6/7] mseal, system mappings: uprobe mapping jeffxu
2025-02-25  6:24   ` Lorenzo Stoakes
2025-02-26  0:06     ` Jeff Xu
2025-02-26  5:57       ` Lorenzo Stoakes
2025-02-26 16:26   ` Oleg Nesterov
2025-02-26 16:33     ` Oleg Nesterov
2025-02-26 16:45     ` Lorenzo Stoakes
2025-02-26 18:01       ` Oleg Nesterov
2025-02-26 18:06         ` Lorenzo Stoakes
2025-02-26 18:19           ` Liam R. Howlett
2025-02-26 18:20           ` Oleg Nesterov
2025-02-26 18:25             ` Lorenzo Stoakes
2025-02-27 23:38               ` Jeff Xu
2025-02-28 10:39                 ` Lorenzo Stoakes
2025-02-27 21:48             ` Jeff Xu
2025-02-24 22:52 ` [PATCH v7 7/7] mseal, system mappings: update mseal.rst jeffxu
2025-02-24 23:03 ` [PATCH v7 0/7] mseal system mappings Pedro Falcato
2025-02-24 23:07   ` Jeff Xu
2025-02-25  6:09     ` Lorenzo Stoakes
2025-02-25 10:32 ` Lorenzo Stoakes
2025-02-26  0:17   ` Jeff Xu
2025-02-26  6:00     ` Lorenzo Stoakes
2025-02-27 23:43       ` Jeff Xu
2025-02-28 10:32         ` Lorenzo Stoakes
2025-02-25 15:18 ` Lorenzo Stoakes
2025-02-26  0:12   ` Jeff Xu
2025-02-26  5:42     ` your mail Lorenzo Stoakes
2025-02-28  0:55       ` Jeff Xu
2025-02-28  9:35         ` Lorenzo Stoakes
2025-02-28 17:24           ` Jeff Xu
2025-02-28 17:30             ` Lorenzo Stoakes [this message]
  -- strict thread matches above, loose matches on Subject: below --
2023-05-10 19:01 [PATCH] maple_tree: Fix a few documentation issues, Thomas Gleixner
2023-05-15 19:27 ` your mail Liam R. Howlett
2023-05-15 21:16   ` Thomas Gleixner
2023-05-16 22:47   ` Thomas Gleixner
2023-05-23 13:46     ` Liam R. Howlett
     [not found] <20190225201635.4648-1-hannes@cmpxchg.org>
2019-02-26 23:49 ` Roman Gushchin
2017-04-10 11:03 [PATCH -v2 0/9] mm: make movable onlining suck less Michal Hocko
2017-04-15 12:17 ` Michal Hocko
2017-04-17  5:47   ` your mail Joonsoo Kim
2017-04-17  8:15     ` Michal Hocko
2017-04-20  1:27       ` Joonsoo Kim
2017-04-20  7:28         ` Michal Hocko
2017-04-20  8:49           ` Michal Hocko
2017-04-20 11:56             ` Vlastimil Babka
2017-04-20 12:13               ` Michal Hocko
2017-04-21  4:38           ` Joonsoo Kim
2017-04-21  7:16             ` Michal Hocko
2017-04-24  1:44               ` Joonsoo Kim
2017-04-24  7:53                 ` Michal Hocko
2017-04-25  2:50                   ` Joonsoo Kim
2017-04-26  9:19                     ` Michal Hocko
2017-04-27  2:08                       ` Joonsoo Kim
2017-04-27 15:10                         ` Michal Hocko
2012-10-04 16:50 Andrea Arcangeli
2012-10-04 18:17 ` your mail Christoph Lameter
2010-06-16 16:33 Jan Kara
2010-06-16 22:15 ` your mail Dave Chinner
2010-06-22  2:59 ` Wu Fengguang
2010-06-22 13:54   ` Jan Kara
2010-06-22 14:12     ` Wu Fengguang
     [not found] <1131.86.55.168.2.1170690089.squirrel@mail.thinknet.ro>
2007-02-05 12:36 ` Joerg Roedel
2003-01-24  5:54 Anoop J.
2003-01-24  6:28 ` David Lang
2003-01-24  8:51   ` Anoop J.
2003-01-24  8:48     ` David Lang
2003-01-24  9:49       ` Anoop J.
2003-01-24 19:14         ` David Lang
2003-01-24 19:40           ` Maciej W. Rozycki
2003-01-24  5:08 (unknown), Anoop J.
2003-01-24  5:11 ` your mail David Lang
2003-01-24  6:06   ` John Alvord
2003-01-25  2:29     ` Jason Papadopoulos
2003-01-25  2:26       ` Larry McVoy
2003-01-25 17:47         ` Eric W. Biederman
2003-01-25 23:10           ` Larry McVoy
2003-01-26  8:12             ` David S. Miller
2002-04-21 14:54 raciel
2002-04-21 19:12 ` your mail William Lee Irwin III
2002-01-02 14:20 mehul radheshyam choube
2002-01-03 16:40 ` your mail Rik van Riel
2001-08-04 11:10 Mahmoud Taghizadeh
2001-08-04 13:18 ` your mail Francois Romieu
2001-06-08  1:36 jnn
2001-06-08 13:16 ` your mail Ralf Baechle
2000-09-04 12:01 Sahil
2000-09-04 15:35 ` your mail Rik van Riel
2000-03-28  8:19 pnilesh
2000-03-28 13:26 ` Stephen C. Tweedie
1998-02-25 22:15 Rik van Riel
1998-02-25 22:48 ` your mail Linus Torvalds
1998-02-25 23:26   ` Rik van Riel

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