From: Kees Cook <keescook@chromium.org>
To: "Russell King (Oracle)" <linux@armlinux.org.uk>
Cc: Ard Biesheuvel <ardb@kernel.org>,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
Keith Packard <keithpac@amazon.com>,
Arnd Bergmann <arnd@arndb.de>,
Amit Daniel Kachhap <amit.kachhap@arm.com>,
Linus Walleij <linus.walleij@linaro.org>
Subject: Re: [GIT PULL] ARM: support THREAD_INFO_IN_TASK
Date: Thu, 14 Oct 2021 09:24:53 -0700 [thread overview]
Message-ID: <202110140924.CDCEB90@keescook> (raw)
In-Reply-To: <YWhRDk3Z10j99sRe@shell.armlinux.org.uk>
On Thu, Oct 14, 2021 at 04:47:26PM +0100, Russell King (Oracle) wrote:
> On Sun, Oct 10, 2021 at 09:50:52AM +0200, Ard Biesheuvel wrote:
> > On Mon, 27 Sept 2021 at 17:06, Ard Biesheuvel <ardb@kernel.org> wrote:
> > >
> > > The following changes since commit 6880fa6c56601bb8ed59df6c30fd390cc5f6dd8f:
> > >
> > > Linux 5.15-rc1 (2021-09-12 16:28:37 -0700)
> > >
> > > are available in the Git repository at:
> > >
> > > git://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git tags/pr-arm32-ti-in-task
> > >
> > > for you to fetch changes up to 18ed1c01a7dd3d7c780b06a49124da237a4c1790:
> > >
> > > ARM: smp: Enable THREAD_INFO_IN_TASK (2021-09-27 16:54:02 +0200)
> > >
> > > ----------------------------------------------------------------
> > > ARM: support THREAD_INFO_IN_TASK
> > >
> > > Move thread_info off the stack and into the task struct, as is done by
> > > many other architectures. This requires a method to find the task struct
> > > of the task currently running on the CPU, which is provided in this case
> > > by the user space TLS (Thread Local Storage) register. This implies that
> > > the feature is only supported on CPUs that implement this register,
> > > i.e., ARM v6k or later.
> > >
> > > Kindly tested by Amit and reviewed by Linus. The first patch is against
> > > the GCC plugins subsystem, but was reviewed by the maintainer and can be
> > > taken through the ARM tree.
> > >
> > > ----------------------------------------------------------------
> > >
> >
> > Ping?
>
> I haven't forgotten about it, I just haven't really opened my tree for
> new material yet... which I need to do this week, if I have time after
> catching up.
Thanks! Getting this into -next would help with the irq series and vmap
stack series too.
--
Kees Cook
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
prev parent reply other threads:[~2021-10-14 16:26 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-27 15:04 [GIT PULL] ARM: support THREAD_INFO_IN_TASK Ard Biesheuvel
2021-10-10 7:50 ` Ard Biesheuvel
2021-10-11 17:22 ` Kees Cook
2021-10-14 15:47 ` Russell King (Oracle)
2021-10-14 16:24 ` Kees Cook [this message]
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=202110140924.CDCEB90@keescook \
--to=keescook@chromium.org \
--cc=amit.kachhap@arm.com \
--cc=ardb@kernel.org \
--cc=arnd@arndb.de \
--cc=keithpac@amazon.com \
--cc=linus.walleij@linaro.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux@armlinux.org.uk \
/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.