From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Ard Biesheuvel <ardb@kernel.org>
Cc: Linux ARM <linux-arm-kernel@lists.infradead.org>,
Keith Packard <keithpac@amazon.com>,
Kees Cook <keescook@chromium.org>, 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 16:47:26 +0100 [thread overview]
Message-ID: <YWhRDk3Z10j99sRe@shell.armlinux.org.uk> (raw)
In-Reply-To: <CAMj1kXEEBkE9Vm7krO_yypcEK=UTTd4jEn6kpa79a66uhy1j2w@mail.gmail.com>
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.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!
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next prev parent reply other threads:[~2021-10-14 15:49 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) [this message]
2021-10-14 16:24 ` Kees Cook
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