Re: [PATCH][AARCH64][BZ #16850]Increase MINSIGSTKSZ & SIGSTKSZ

[Renlin Li <renlin dot li at arm dot com>]

On 14/11/14 10:20, Will Newton wrote:
> On 14 November 2014 10:15, Renlin Li <renlin.li@arm.com> wrote:
> > Hi all,
> >
> > This patch duplicates sysdeps/unix/sysv/linux/bits/sigstack.h into
> > sysdeps/unix/sysv/linux/aarch64/bits/sigstack.h and modifies only SIGSTCKSZ
> > and MINSIGSTKSZ.
> >
> > The ucontext_t is 4560 bytes, siginfo_t is 128 bytes. The required sigframe
> > is far larger than the current default MINSIGSTKSZ (which is 2048). Thus, I
> > increase MINSIGSTKSZ to 8192, and adjust SIGSTCKSZ accordingly.
> >
> > Glibc has been build and test on the model, no new issues.
> >
> > Okay to commit?
> >
> > ChangeLog:
> >
> > 2014-11-14  Renlin Li  <Renlin.Li@arm.com>
> >      [BZ #16850]
> >      * sysdeps/unix/sysv/linux/aarch64/bits/sigstack.h: New.
> I believe this should be synchronized with the value of this constant
> in the kernel.
I got some information from this page. Alan Modra holds the option that 
those two values in glibc could differ from kernel.

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1267062

Any suggestion?