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