Messages in this thread | | | From | Christophe Leroy <> | Subject | Re: [PATCH 4/8] sched: powerpc: Remove unused TASK_SIZE_OF | Date | Wed, 22 Dec 2021 07:27:27 +0000 |
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Le 22/12/2021 à 04:02, Guo Ren a écrit : > On Wed, Dec 22, 2021 at 2:43 AM Christophe Leroy > <christophe.leroy@csgroup.eu> wrote: >> >> >> >> Le 21/12/2021 à 18:00, guoren@kernel.org a écrit : >>> From: Guo Ren <guoren@linux.alibaba.com> >>> >>> 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 <guoren@linux.alibaba.com> >>> --- >>> 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 (0x0000000100000000UL - (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)
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