[Acked/cmt] [CVE-2014-9090] x86_64, traps: Stop using IST for #SS

[Andy Whitcroft]

On Fri, Dec 05, 2014 at 01:47:56PM +0000, Luis Henriques wrote:
> Following this email I am sending for review the CVE-2014-9090 fix
> backports for both Lucid (2.6.32) and Precise (3.2.0).
> 
> I'm also CC'ing Debian mailing-lists, Moritz, Ben and Willy as these
> backports could be of interest both to Debian and to the 2.6.32 and
> 3.2 stable kernels.
> 
> Andy Lutomirski (1):
>   x86_64, traps: Stop using IST for #SS
> 
>  arch/x86/include/asm/page_32_types.h |  1 -
>  arch/x86/include/asm/page_64_types.h | 11 +++++------
>  arch/x86/kernel/dumpstack_64.c       |  1 -
>  arch/x86/kernel/entry_64.S           |  2 +-
>  arch/x86/kernel/traps.c              | 13 +------------
>  5 files changed, 7 insertions(+), 21 deletions(-)

These look ok as far as one can tell.  I believe we have test code to go
with them, so assuming that says yay:

Acked-by: Andy Whitcroft <apw at canonical.com>

-apw