Re: [PATCH 4/8] sched: powerpc: Remove unused TASK_SIZE_OF

2021-12-22 Thread Guo Ren
Got it. Thx

On Wed, Dec 22, 2021 at 3:27 PM Christophe Leroy
 wrote:
>
>
>
> Le 22/12/2021 à 04:02, Guo Ren a écrit :
> > On Wed, Dec 22, 2021 at 2:43 AM Christophe Leroy
> >  wrote:
> >>
> >>
> >>
> >> Le 21/12/2021 à 18:00, guo...@kernel.org a écrit :
> >>> From: Guo Ren 
> >>>
> >>> This macro isn't used in Linux sched, now. Delete in
> >>> include/linux/sched.h and arch's include/asm.
> >>>
> >>> Signed-off-by: Guo Ren 
> >>> ---
> >>>arch/powerpc/include/asm/task_size_64.h | 6 ++
> >>>1 file changed, 2 insertions(+), 4 deletions(-)
> >>>
> >>> diff --git a/arch/powerpc/include/asm/task_size_64.h 
> >>> b/arch/powerpc/include/asm/task_size_64.h
> >>> index c993482237ed..7e2eca4fac4d 100644
> >>> --- a/arch/powerpc/include/asm/task_size_64.h
> >>> +++ b/arch/powerpc/include/asm/task_size_64.h
> >>> @@ -44,12 +44,10 @@
> >>> */
> >>>#define TASK_SIZE_USER32 (0x0001UL - (1 * PAGE_SIZE))
> >>>
> >>> -#define TASK_SIZE_OF(tsk)\
> >>> - (test_tsk_thread_flag(tsk, TIF_32BIT) ? TASK_SIZE_USER32 :  \
> >>> +#define TASK_SIZE\
> >>> + (test_tsk_thread_flag(current, TIF_32BIT) ? TASK_SIZE_USER32 :  \
> >>>TASK_SIZE_USER64)
> >>
> >> I think you should use test_thread_flag() instead.
> >>
> >> Or even better: use is_32bit_task() and bring back this macro as a
> >> single line, something like:
> >>
> >> #define TASK_SIZE (is_32bit_task() ? TASK_SIZE_USER32 : TASK_SIZE_USER64)
> > Okay, looks better. I would fix it in the next version.
>
> Note that is_32bit_task() exists on powerpc, parisc and sparc.
>
> For other ones you can still use test_thread_flag() instead of
> test_tsk_thread_flag(current)



-- 
Best Regards
 Guo Ren

ML: https://lore.kernel.org/linux-csky/


Re: [PATCH 4/8] sched: powerpc: Remove unused TASK_SIZE_OF

2021-12-21 Thread Christophe Leroy


Le 22/12/2021 à 04:02, Guo Ren a écrit :
> On Wed, Dec 22, 2021 at 2:43 AM Christophe Leroy
>  wrote:
>>
>>
>>
>> Le 21/12/2021 à 18:00, guo...@kernel.org a écrit :
>>> From: Guo Ren 
>>>
>>> This macro isn't used in Linux sched, now. Delete in
>>> include/linux/sched.h and arch's include/asm.
>>>
>>> Signed-off-by: Guo Ren 
>>> ---
>>>arch/powerpc/include/asm/task_size_64.h | 6 ++
>>>1 file changed, 2 insertions(+), 4 deletions(-)
>>>
>>> diff --git a/arch/powerpc/include/asm/task_size_64.h 
>>> b/arch/powerpc/include/asm/task_size_64.h
>>> index c993482237ed..7e2eca4fac4d 100644
>>> --- a/arch/powerpc/include/asm/task_size_64.h
>>> +++ b/arch/powerpc/include/asm/task_size_64.h
>>> @@ -44,12 +44,10 @@
>>> */
>>>#define TASK_SIZE_USER32 (0x0001UL - (1 * PAGE_SIZE))
>>>
>>> -#define TASK_SIZE_OF(tsk)\
>>> - (test_tsk_thread_flag(tsk, TIF_32BIT) ? TASK_SIZE_USER32 :  \
>>> +#define TASK_SIZE\
>>> + (test_tsk_thread_flag(current, TIF_32BIT) ? TASK_SIZE_USER32 :  \
>>>TASK_SIZE_USER64)
>>
>> I think you should use test_thread_flag() instead.
>>
>> Or even better: use is_32bit_task() and bring back this macro as a
>> single line, something like:
>>
>> #define TASK_SIZE (is_32bit_task() ? TASK_SIZE_USER32 : TASK_SIZE_USER64)
> Okay, looks better. I would fix it in the next version.

Note that is_32bit_task() exists on powerpc, parisc and sparc.

For other ones you can still use test_thread_flag() instead of 
test_tsk_thread_flag(current)

Re: [PATCH 4/8] sched: powerpc: Remove unused TASK_SIZE_OF

2021-12-21 Thread Guo Ren
On Wed, Dec 22, 2021 at 2:43 AM Christophe Leroy
 wrote:
>
>
>
> Le 21/12/2021 à 18:00, guo...@kernel.org a écrit :
> > From: Guo Ren 
> >
> > This macro isn't used in Linux sched, now. Delete in
> > include/linux/sched.h and arch's include/asm.
> >
> > Signed-off-by: Guo Ren 
> > ---
> >   arch/powerpc/include/asm/task_size_64.h | 6 ++
> >   1 file changed, 2 insertions(+), 4 deletions(-)
> >
> > diff --git a/arch/powerpc/include/asm/task_size_64.h 
> > b/arch/powerpc/include/asm/task_size_64.h
> > index c993482237ed..7e2eca4fac4d 100644
> > --- a/arch/powerpc/include/asm/task_size_64.h
> > +++ b/arch/powerpc/include/asm/task_size_64.h
> > @@ -44,12 +44,10 @@
> >*/
> >   #define TASK_SIZE_USER32 (0x0001UL - (1 * PAGE_SIZE))
> >
> > -#define TASK_SIZE_OF(tsk)\
> > - (test_tsk_thread_flag(tsk, TIF_32BIT) ? TASK_SIZE_USER32 :  \
> > +#define TASK_SIZE\
> > + (test_tsk_thread_flag(current, TIF_32BIT) ? TASK_SIZE_USER32 :  \
> >   TASK_SIZE_USER64)
>
> I think you should use test_thread_flag() instead.
>
> Or even better: use is_32bit_task() and bring back this macro as a
> single line, something like:
>
> #define TASK_SIZE (is_32bit_task() ? TASK_SIZE_USER32 : TASK_SIZE_USER64)
Okay, looks better. I would fix it in the next version.

>
> >
> > -#define TASK_SIZE TASK_SIZE_OF(current)
> > -
> >   #define TASK_UNMAPPED_BASE_USER32 (PAGE_ALIGN(TASK_SIZE_USER32 / 4))
> >   #define TASK_UNMAPPED_BASE_USER64 (PAGE_ALIGN(DEFAULT_MAP_WINDOW_USER64 / 
> > 4))
> >
> >



-- 
Best Regards
 Guo Ren

ML: https://lore.kernel.org/linux-csky/


Re: [PATCH 4/8] sched: powerpc: Remove unused TASK_SIZE_OF

2021-12-21 Thread Christophe Leroy


Le 21/12/2021 à 18:00, guo...@kernel.org a écrit :
> From: Guo Ren 
> 
> This macro isn't used in Linux sched, now. Delete in
> include/linux/sched.h and arch's include/asm.
> 
> Signed-off-by: Guo Ren 
> ---
>   arch/powerpc/include/asm/task_size_64.h | 6 ++
>   1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/powerpc/include/asm/task_size_64.h 
> b/arch/powerpc/include/asm/task_size_64.h
> index c993482237ed..7e2eca4fac4d 100644
> --- a/arch/powerpc/include/asm/task_size_64.h
> +++ b/arch/powerpc/include/asm/task_size_64.h
> @@ -44,12 +44,10 @@
>*/
>   #define TASK_SIZE_USER32 (0x0001UL - (1 * PAGE_SIZE))
>   
> -#define TASK_SIZE_OF(tsk)\
> - (test_tsk_thread_flag(tsk, TIF_32BIT) ? TASK_SIZE_USER32 :  \
> +#define TASK_SIZE\
> + (test_tsk_thread_flag(current, TIF_32BIT) ? TASK_SIZE_USER32 :  \
>   TASK_SIZE_USER64)

I think you should use test_thread_flag() instead.

Or even better: use is_32bit_task() and bring back this macro as a 
single line, something like:

#define TASK_SIZE (is_32bit_task() ? TASK_SIZE_USER32 : TASK_SIZE_USER64)

>   
> -#define TASK_SIZE TASK_SIZE_OF(current)
> -
>   #define TASK_UNMAPPED_BASE_USER32 (PAGE_ALIGN(TASK_SIZE_USER32 / 4))
>   #define TASK_UNMAPPED_BASE_USER64 (PAGE_ALIGN(DEFAULT_MAP_WINDOW_USER64 / 
> 4))
>   
> 

[PATCH 4/8] sched: powerpc: Remove unused TASK_SIZE_OF

2021-12-21 Thread guoren
From: Guo Ren 

This macro isn't used in Linux sched, now. Delete in
include/linux/sched.h and arch's include/asm.

Signed-off-by: Guo Ren 
---
 arch/powerpc/include/asm/task_size_64.h | 6 ++
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/powerpc/include/asm/task_size_64.h 
b/arch/powerpc/include/asm/task_size_64.h
index c993482237ed..7e2eca4fac4d 100644
--- a/arch/powerpc/include/asm/task_size_64.h
+++ b/arch/powerpc/include/asm/task_size_64.h
@@ -44,12 +44,10 @@
  */
 #define TASK_SIZE_USER32 (0x0001UL - (1 * PAGE_SIZE))
 
-#define TASK_SIZE_OF(tsk)  \
-   (test_tsk_thread_flag(tsk, TIF_32BIT) ? TASK_SIZE_USER32 :  \
+#define TASK_SIZE  \
+   (test_tsk_thread_flag(current, TIF_32BIT) ? TASK_SIZE_USER32 :  \
TASK_SIZE_USER64)
 
-#define TASK_SIZE TASK_SIZE_OF(current)
-
 #define TASK_UNMAPPED_BASE_USER32 (PAGE_ALIGN(TASK_SIZE_USER32 / 4))
 #define TASK_UNMAPPED_BASE_USER64 (PAGE_ALIGN(DEFAULT_MAP_WINDOW_USER64 / 4))
 
-- 
2.25.1