From: Greg KH <gregkh@linuxfoundation.org>
To: Will Deacon <will@kernel.org>
Cc: linux-kernel@vger.kernel.org, Will Deacon <will.deacon@arm.com>,
"# 4 . 9+" <stable@vger.kernel.org>,
Aurelien Jarno <aurelien@aurel32.net>,
Arnd Bergmann <arnd@arndb.de>,
Dominik Brodowski <linux@dominikbrodowski.net>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Andrew Morton <akpm@linux-foundation.org>,
Al Viro <viro@zeniv.linux.org.uk>,
Oleg Nesterov <oleg@redhat.com>,
Catalin Marinas <catalin.marinas@arm.com>
Subject: Re: [PATCH] arm64: compat: Provide definition for COMPAT_SIGMINSTKSZ
Date: Tue, 30 Jul 2019 11:42:26 +0200 [thread overview]
Message-ID: <20190730094226.GA16071@kroah.com> (raw)
In-Reply-To: <20190730093938.bimxbvhd3alo3u37@willie-the-truck>
On Tue, Jul 30, 2019 at 10:39:38AM +0100, Will Deacon wrote:
> On Tue, Jul 30, 2019 at 11:37:13AM +0200, Greg KH wrote:
> > On Tue, Jul 30, 2019 at 10:25:47AM +0100, Will Deacon wrote:
> > > From: Will Deacon <will.deacon@arm.com>
> > >
> > > [ Upstream commit 24951465cbd279f60b1fdc2421b3694405bcff42 ]
> > >
> > > arch/arm/ defines a SIGMINSTKSZ of 2k, so we should use the same value
> > > for compat tasks.
> > >
> > > Cc: <stable@vger.kernel.org> # 4.9+
> > > Cc: Aurelien Jarno <aurelien@aurel32.net>
> > > Cc: Arnd Bergmann <arnd@arndb.de>
> > > Cc: Dominik Brodowski <linux@dominikbrodowski.net>
> > > Cc: "Eric W. Biederman" <ebiederm@xmission.com>
> > > Cc: Andrew Morton <akpm@linux-foundation.org>
> > > Cc: Al Viro <viro@zeniv.linux.org.uk>
> > > Cc: Oleg Nesterov <oleg@redhat.com>
> > > Reviewed-by: Dave Martin <Dave.Martin@arm.com>
> > > Reported-by: Steve McIntyre <steve.mcintyre@arm.com>
> > > Tested-by: Steve McIntyre <93sam@debian.org>
> > > Signed-off-by: Will Deacon <will.deacon@arm.com>
> > > Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
> > > ---
> > >
> > > Aurelien points out that this didn't get selected for -stable despite its
> > > counterpart (22839869f21a ("signal: Introduce COMPAT_SIGMINSTKSZ for use
> > > in compat_sys_sigaltstack")) being backported to 4.9. Oops.
> >
> > So this needs to go into 4.9.y, 4.14.y, and 4.19.y?
>
> Yes, please.
Thanks, will do after this next round of kernels goes out.
greg k-h
next prev parent reply other threads:[~2019-07-30 9:42 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-30 9:25 [PATCH] arm64: compat: Provide definition for COMPAT_SIGMINSTKSZ Will Deacon
2019-07-30 9:37 ` Greg KH
2019-07-30 9:39 ` Will Deacon
2019-07-30 9:42 ` Greg KH [this message]
2019-07-31 9:47 ` Greg KH
2019-07-31 10:00 ` Aurelien Jarno
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