Re: [backports for 3.x, 4.x] x86/iopl/64: Properly context-switch IOPL on Xen PV

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On Tue, Apr 05, 2016 at 12:24:21PM -0700, Kamal Mostafa wrote:
> Here is a backport of this stable patch for pre-4.4 kernels (before the
> advent of X86_FEATURE_XENPV):
> 
>   b7a58459 x86/iopl/64: Properly context-switch IOPL on Xen PV
> 
> Supplied backports:
> 
>   - [3.2 backport]
>   - [3.x backport] (for 3.4 through 3.19)
>   - [4.x backport] (for 4.1 and 4.2)
>

Thanks Kamal, I'm queuing this for the 3.16 kernel.

Cheers,
--
Luís

>  -Kamal
> 
> ----------
> 
> Andy Lutomirski (1):
>   x86/iopl/64: Properly context-switch IOPL on Xen PV
> 
>  arch/x86/include/asm/xen/hypervisor.h |  2 ++
>  arch/x86/kernel/process_64.c          | 12 ++++++++++++
>  arch/x86/xen/enlighten.c              |  2 +-
>  3 files changed, 15 insertions(+), 1 deletion(-)
> 
> -- 
> 2.7.4
> 
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