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Subject: Re: [backports for 3.x, 4.x] x86/iopl/64: Properly context-switch
 IOPL on Xen PV
To: Kamal Mostafa <kamal@canonical.com>, <stable@vger.kernel.org>,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	Sasha Levin <sasha.levin@oracle.com>,
	Luis Henriques <luis.henriques@canonical.com>,
	"Jiri Slaby" <jslaby@suse.cz>, Ben Hutchings <ben@decadent.org.uk>
References: <1459884264-3694-1-git-send-email-kamal@canonical.com>
CC: Andy Lutomirski <luto@amacapital.net>
From: Zefan Li <lizefan@huawei.com>
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Date: Mon, 11 Apr 2016 18:57:35 +0800
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On 2016/4/6 3:24, 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)

I'll queue it up for 3.4.y. Thanks!

>   - [4.x backport] (for 4.1 and 4.2)
> 
>  -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(-)
>