I submitted that exact patch (David's more minimal version) in December
2010 (and I did test it). Did it not take? See the thread "SMTC
support status in latest git head". The patch went out on December 24
(why I was spending my Christmas Eve fixing MIPS Linux is another
question... :op )
Kevin K.
On 08/29/11 16:45, David Daney wrote:
> On 08/29/2011 04:20 PM, Edgar E. Iglesias wrote:
>> Hi,
>>
>> Commit 362e696428590f7d0a5d0971a2d04b0372a761b8
>> reorders a bunch of insns to improve the flow of the pipeline but
>> for MT_SMTC kernels, AFAICT, the saving of CP0_STATUS seems wrong.
>
> Indeed.
>
>>
>> Am I missing something?
>>
>
> It does look like in the MIPS_MT_SMTC case we are clobbering the value
> in v1.
>
>> If not here is a patch, tested with qemu.
>>
>
> How about the attached completely untested one instead?
>
> David Daney
