From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Kees Cook <keescook@chromium.org>, Jann Horn <jannh@google.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
vcaputo@pengaru.com, Ingo Molnar <mingo@redhat.com>,
Juri Lelli <juri.lelli@redhat.com>,
Vincent Guittot <vincent.guittot@linaro.org>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Steven Rostedt <rostedt@goodmis.org>,
Ben Segall <bsegall@google.com>, Mel Gorman <mgorman@suse.de>,
Daniel Bristot de Oliveira <bristot@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
Christian Brauner <christian.brauner@ubuntu.com>,
amistry@google.com, Kenta.Tada@sony.com, legion@kernel.org,
michael.weiss@aisec.fraunhofer.de, Michal Hocko <mhocko@suse.com>,
Helge Deller <deller@gmx.de>,
zhengqi.arch@bytedance.com, "Tobin C. Harding" <me@tobin.cc>,
Tycho Andersen <tycho@tycho.pizza>,
Thomas Gleixner <tglx@linutronix.de>,
Borislav Petkov <bp@alien8.de>, "H. Peter Anvin" <hpa@zytor.com>,
Mark Rutland <mark.rutland@arm.com>, Jens Axboe <axboe@kernel.dk>,
metze@samba.org, laijs@linux.alibaba.com,
Andy Lutomirski <luto@kernel.org>,
Dave Hansen <dave.hansen@linux.intel.com>,
"Eric W. Biederman" <ebiederm@xmission.com>,
ohoono.kwon@samsung.com, kaleshsingh@google.com,
YiFei Zhu <yifeifz2@illinois.edu>,
Josh Poimboeuf <jpoimboe@redhat.com>,
linux-hardening@vger.kernel.org,
Linux-Arch <linux-arch@vger.kernel.org>,
Vineet Gupta <vgupta@kernel.org>,
Russell King <linux@armlinux.org.uk>,
Will Deacon <will@kernel.org>, Guo Ren <guoren@kernel.org>,
Brian Cain <bcain@codeaurora.org>,
Michal Simek <monstr@monstr.eu>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Nick Hu <nickhu@andestech.com>, Jonas Bonn <jonas@southpole.se>,
Michael Ellerman <mpe@ellerman.id.au>,
Paul Walmsley <paul.walmsley@sifive.com>,
Heiko Carstens <hca@linux.ibm.com>,
Yoshinori Sato <ysato@users.sourceforge.jp>,
"David S. Miller" <davem@davemloft.net>,
Chris Zankel <chris@zankel.net>
Subject: Re: [PATCH 5/7] sched: Add wrapper for get_wchan() to keep task blocked
Date: Fri, 8 Oct 2021 13:26:24 +0200 [thread overview]
Message-ID: <CAMuHMdUzQXPtfYDzytFeXNig7dQo+16+wRqud1AeF8GoLJMgNA@mail.gmail.com> (raw)
In-Reply-To: <20211008111626.332092234@infradead.org>
On Fri, Oct 8, 2021 at 1:20 PM Peter Zijlstra <peterz@infradead.org> wrote:
> From: Kees Cook <keescook@chromium.org>
>
> Having a stable wchan means the process must be blocked and for it to
> stay that way while performing stack unwinding.
>
> Suggested-by: Peter Zijlstra <peterz@infradead.org>
> Signed-off-by: Kees Cook <keescook@chromium.org>
> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
> arch/m68k/include/asm/processor.h | 2 +-
> arch/m68k/kernel/process.c | 4 +---
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
next prev parent reply other threads:[~2021-10-08 11:26 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-08 11:15 [PATCH 0/7] wchan: Fix wchan support Peter Zijlstra
2021-10-08 11:15 ` [PATCH 1/7] Revert "proc/wchan: use printk format instead of lookup_symbol_name()" Peter Zijlstra
2021-10-08 11:15 ` [PATCH 2/7] leaking_addresses: Always print a trailing newline Peter Zijlstra
2021-10-08 11:15 ` [PATCH 3/7] proc: Use task_is_running() for wchan in /proc/$pid/stat Peter Zijlstra
2021-10-08 11:15 ` [PATCH 4/7] x86: Fix get_wchan() to support the ORC unwinder Peter Zijlstra
2021-10-08 11:15 ` [PATCH 5/7] sched: Add wrapper for get_wchan() to keep task blocked Peter Zijlstra
2021-10-08 11:26 ` Geert Uytterhoeven [this message]
2021-10-08 12:45 ` Mark Rutland
2021-10-14 10:46 ` Russell King (Oracle)
2021-10-08 11:15 ` [PATCH 6/7] arch: __get_wchan || STACKTRACE_SUPPORT Peter Zijlstra
2021-10-08 12:40 ` Mark Rutland
2021-10-08 13:45 ` Peter Zijlstra
2021-10-08 16:17 ` Josh Poimboeuf
2021-10-14 18:07 ` Mark Rutland
2021-10-14 18:41 ` Josh Poimboeuf
2021-10-14 18:03 ` Mark Rutland
2021-10-14 18:48 ` Josh Poimboeuf
2021-10-14 11:07 ` Russell King (Oracle)
2021-10-08 11:15 ` [PATCH 7/7] arch: Fix STACKTRACE_SUPPORT Peter Zijlstra
2021-10-08 12:52 ` Mark Rutland
2021-10-09 9:36 ` Guo Ren
2021-10-14 12:02 ` [PATCH 0/7] wchan: Fix wchan support Russell King (Oracle)
2021-10-14 13:38 ` Russell King (Oracle)
2021-10-14 19:51 ` Josh Poimboeuf
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=CAMuHMdUzQXPtfYDzytFeXNig7dQo+16+wRqud1AeF8GoLJMgNA@mail.gmail.com \
--to=geert@linux-m68k.org \
--cc=Kenta.Tada@sony.com \
--cc=akpm@linux-foundation.org \
--cc=amistry@google.com \
--cc=axboe@kernel.dk \
--cc=bcain@codeaurora.org \
--cc=bp@alien8.de \
--cc=bristot@redhat.com \
--cc=bsegall@google.com \
--cc=chris@zankel.net \
--cc=christian.brauner@ubuntu.com \
--cc=dave.hansen@linux.intel.com \
--cc=davem@davemloft.net \
--cc=deller@gmx.de \
--cc=dietmar.eggemann@arm.com \
--cc=ebiederm@xmission.com \
--cc=guoren@kernel.org \
--cc=hca@linux.ibm.com \
--cc=hpa@zytor.com \
--cc=jannh@google.com \
--cc=jonas@southpole.se \
--cc=jpoimboe@redhat.com \
--cc=juri.lelli@redhat.com \
--cc=kaleshsingh@google.com \
--cc=keescook@chromium.org \
--cc=laijs@linux.alibaba.com \
--cc=legion@kernel.org \
--cc=linux-arch@vger.kernel.org \
--cc=linux-hardening@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux@armlinux.org.uk \
--cc=luto@kernel.org \
--cc=mark.rutland@arm.com \
--cc=me@tobin.cc \
--cc=metze@samba.org \
--cc=mgorman@suse.de \
--cc=mhocko@suse.com \
--cc=michael.weiss@aisec.fraunhofer.de \
--cc=mingo@redhat.com \
--cc=monstr@monstr.eu \
--cc=mpe@ellerman.id.au \
--cc=nickhu@andestech.com \
--cc=ohoono.kwon@samsung.com \
--cc=paul.walmsley@sifive.com \
--cc=peterz@infradead.org \
--cc=rostedt@goodmis.org \
--cc=tglx@linutronix.de \
--cc=tsbogend@alpha.franken.de \
--cc=tycho@tycho.pizza \
--cc=vcaputo@pengaru.com \
--cc=vgupta@kernel.org \
--cc=vincent.guittot@linaro.org \
--cc=will@kernel.org \
--cc=yifeifz2@illinois.edu \
--cc=ysato@users.sourceforge.jp \
--cc=zhengqi.arch@bytedance.com \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).