Subject: [RFT PATCH v2 1/4] arm64: fix possible invalid FPSIMD initialization state

From: [email-masked] (Jiang Liu)
Date: Mon, 14 Oct 2013 21:58:36 +0800

On 10/14/2013 09:54 PM, Catalin Marinas wrote:
> On Sun, Oct 13, 2013 at 03:20:17PM +0100, Jiang Liu wrote:
>> From: Jiang Liu <[email-masked]>
>>
>> If context switching happens during executing fpsimd_flush_thread(),
>> stale value in FPSIMD registers will be saved into current thread's
>> fpsimd_state by fpsimd_thread_switch(). That may cause invalid
>> initialization state for the new process, so disable preemption
>> when executing fpsimd_flush_thread().
>>
>> Signed-off-by: Jiang Liu <[email-masked]>
>> Cc: Jiang Liu <[email-masked]>
> 
> That's already in mainline (3.12-rc4).
> 

Hi Catalin,
	I haven't noticed that yet, sorry for the noise:)
Thanks!
Gerry