y, May 27, 2013 12:49 PM
> To: Jain Priyanka-B32167
> Cc: linuxppc-dev@lists.ozlabs.org; Wood Scott-B07421
> Subject: Re: [PATCH] powerpc/32bit,PREEMPT:Load TI_FLAGS to check
> NEED_RESCHED
>
> On 05/27/2013 02:55 PM, Jain Priyanka-B32167 wrote:
> >
> > If we go some more
On 05/27/2013 02:55 PM, Jain Priyanka-B32167 wrote:
If we go some more lines up in the same file, the code is
resume_kernel:
/* check current_thread_info, _TIF_EMULATE_STACK_STORE */
CURRENT_THREAD_INFO(r9, r1)
lwz r8,TI_FLAGS(r9)
andis. r8,r8,_TIF_EMULA
On Mon, 2013-05-27 at 11:57 +0530, Priyanka Jain wrote:
> Add instruction to load TI_FLAGS in r8
>
> While returning from exception handling in case of PREEMPT enabled,
> _TIF_NEED_RESCHED bit is checked in TI_FLAGS (thread_info flag) of
> current
> task. Only if this bit is set, it should con
ppropriate
value.
Regards
Priyanka
> -Original Message-
> From: tiejun.chen [mailto:tiejun.c...@windriver.com]
> Sent: Monday, May 27, 2013 12:15 PM
> To: Jain Priyanka-B32167
> Cc: linuxppc-dev@lists.ozlabs.org; Wood Scott-B07421
> Subject: Re: [PATCH] powerpc/32bit,PR
On 05/27/2013 02:27 PM, Priyanka Jain wrote:
Add instruction to load TI_FLAGS in r8
While returning from exception handling in case of PREEMPT enabled,
_TIF_NEED_RESCHED bit is checked in TI_FLAGS (thread_info flag) of current
task. Only if this bit is set, it should continue with the process of
Add instruction to load TI_FLAGS in r8
While returning from exception handling in case of PREEMPT enabled,
_TIF_NEED_RESCHED bit is checked in TI_FLAGS (thread_info flag) of current
task. Only if this bit is set, it should continue with the process of
calling preempt_schedule_irq() to schedule
