----- Mail original -----
> De: "Greg KH" <gregkh@linuxfoundation.org>
> À: linux-kernel@vger.kernel.org, "Andrew Morton" <akpm@linux-foundation.org>, torvalds@linux-foundation.org,
> stable@vger.kernel.org
> Cc: lwn@lwn.net, "Jiri Slaby" <jslaby@suse.cz>
> Envoyé: Lundi 3 Décembre 2012 22:54:12
> Objet: Linux 3.4.21
> 
> I'm announcing the release of the 3.4.21 kernel.
> 
> All users of the 3.4 kernel series must upgrade.
> 
> The updated 3.4.y git tree can be found at:
>         git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git
>         linux-3.4.y
> and can be browsed at the normal kernel.org git web browser:
>         http://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=summary
> 
> thanks,
> 
> greg k-h
> 
...
> 
> Robert Richter (1):
>       x86-32: Fix invalid stack address while in softirq
> 
...


My build on x86-32 fail with the attached config, should be related to the patch above

  LD      arch/x86/boot/setup.elf
  OBJCOPY arch/x86/boot/setup.bin
  OBJCOPY arch/x86/boot/vmlinux.bin
  HOSTCC  arch/x86/boot/tools/build
  BUILD   arch/x86/boot/bzImage
Setup is 15168 bytes (padded to 15360 bytes).
System is 2433 kB
CRC 9ae47931
Kernel: arch/x86/boot/bzImage is ready  (#1)
  Building modules, stage 2.
  MODPOST 714 modules
ERROR: "kernel_stack_pointer" [arch/x86/oprofile/oprofile.ko] undefined!
make[1]: *** [__modpost] Erreur 1
make: *** [modules] Erreur 2

Compilation was ok with previous 3.4 kernels.

Gilles