From: mark.rutland@arm.com (Mark Rutland)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 00/10] arm64: move thread_info off of the task stack
Date: Mon, 24 Oct 2016 18:48:40 +0100 [thread overview]
Message-ID: <20161024174840.GR15620@leverpostej> (raw)
In-Reply-To: <10401f46-cabc-23ec-a448-c377dbce7911@redhat.com>
On Mon, Oct 24, 2016 at 10:38:59AM -0700, Laura Abbott wrote:
> On 10/19/2016 12:10 PM, Mark Rutland wrote:
> >Hi all,
> >
> >Building atop of Andy's work on x86 and generic code, these patches move
> >arm64's thread_info off of the stack and into task_struct. This protects
> >thread_info from corruption in the face of stack overflow, and serves as
> >a step towards fully robust stack overflow handling, which will be
> >addressed by subsequent patches.
> >
> >These patches are based atop of a preparatory series [1] (itself based
> >on v4.9-rc1) that's also necessary for s390. I've placed those patches
> >in a branch [2] on my kernel.org repo, along with this series [3]. I'm
> >hoping that the prep work will be able to become a stable branch/tag
> >soon.
> >
> >I've given the series some light testing on a couple of SMP arm64
> >platforms, but this has yet to see a thorough beating; please do try to
> >make this fall over!
> >
> >Since RFC [4]:
> >* Rely on prior patches to make thread_info arch-specific
> >* Make smp_processor_id() use a per-cpu variable
> >* Split out current_stack_pointer
> >* Make SMP actually work
> >
> >[1] http://lkml.kernel.org/r/1476901693-8492-1-git-send-email-mark.rutland at arm.com
> >[2] https://git.kernel.org/cgit/linux/kernel/git/mark/linux.git/log/?h=core/ti-stack-split
> >[3] https://git.kernel.org/cgit/linux/kernel/git/mark/linux.git/log/?h=arm64/ti-stack-split
> >[4] http://lkml.kernel.org/r/1473947349-14521-1-git-send-email-mark.rutland at arm.com
> I pulled the arm64/ti-stack-split branch on top of a Fedora
> tree and ran back-to-back kernel RPM builds for a long weekend.
> It's still going as of this morning so you can take that as a
>
> Tested-by: Laura Abbott <labbott@redhat.com>
Thanks! That's much appreciated!
Just to check, did you grab the version with entry.S fixes rolled in
(where the head is 657f54256c427fec)?
Thanks,
Mark.
next prev parent reply other threads:[~2016-10-24 17:48 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-19 19:10 [PATCH 00/10] arm64: move thread_info off of the task stack Mark Rutland
2016-10-19 19:10 ` [PATCH 01/10] arm64: thread_info remove stale items Mark Rutland
2016-10-19 19:10 ` [PATCH 02/10] arm64: asm-offsets: remove unused definitions Mark Rutland
2016-10-19 19:10 ` [PATCH 03/10] arm64: factor out current_stack_pointer Mark Rutland
2016-10-19 19:10 ` [PATCH 04/10] arm64: traps: simplify die() and __die() Mark Rutland
2016-10-19 19:10 ` [PATCH 05/10] arm64: prep stack walkers for THREAD_INFO_IN_TASK Mark Rutland
2016-10-19 19:10 ` [PATCH 06/10] arm64: move sp_el0 and tpidr_el1 into cpu_suspend_ctx Mark Rutland
2016-10-19 19:10 ` [PATCH 07/10] arm64: smp: prepare for smp_processor_id() rework Mark Rutland
2016-10-19 19:10 ` [PATCH 08/10] arm64: make cpu number a percpu variable Mark Rutland
2016-10-19 19:10 ` [PATCH 09/10] arm64: assembler: introduce ldr_this_cpu Mark Rutland
2016-10-19 19:10 ` [PATCH 10/10] arm64: split thread_info from task stack Mark Rutland
2016-10-21 14:50 ` James Morse
2016-10-21 15:59 ` Mark Rutland
2016-10-21 17:27 ` Mark Rutland
2016-10-21 16:20 ` Mark Rutland
2016-10-24 17:38 ` [PATCH 00/10] arm64: move thread_info off of the " Laura Abbott
2016-10-24 17:48 ` Mark Rutland [this message]
2016-10-24 17:58 ` Laura Abbott
2016-10-24 18:09 ` Mark Rutland
2016-10-24 18:15 ` Mark Rutland
2016-10-24 18:18 ` Kees Cook
2016-10-25 10:05 ` Mark Rutland
2016-10-26 0:46 ` Laura Abbott
2016-10-26 9:55 ` Mark Rutland
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20161024174840.GR15620@leverpostej \
--to=mark.rutland@arm.com \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.