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| author |   Peter Zijlstra <peterz@infradead.org> | 2021-06-11 10:28:17 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2021-06-18 11:43:09 +0200 |
| commit | 2f064a59a11ff9bc22e52e9678bc601404c7cb34 (patch) | |
| tree | acc246021cd9f158016247f00f238668963daed7 /arch/powerpc/xmon/xmon.c | |
| parent | sched,arch: Remove unused TASK_STATE offsets (diff) | |
| download | linux-dev-2f064a59a11ff9bc22e52e9678bc601404c7cb34.tar.xz linux-dev-2f064a59a11ff9bc22e52e9678bc601404c7cb34.zip | |
sched: Change task_struct::state
Change the type and name of task_struct::state. Drop the volatile and
shrink it to an 'unsigned int'. Rename it in order to find all uses
such that we can use READ_ONCE/WRITE_ONCE as appropriate.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Daniel Bristot de Oliveira <bristot@redhat.com>
Acked-by: Will Deacon <will@kernel.org>
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Link: https://lore.kernel.org/r/20210611082838.550736351@infradead.org
Diffstat (limited to 'arch/powerpc/xmon/xmon.c')
| -rw-r--r-- | arch/powerpc/xmon/xmon.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index c8173e92f19d..84de2d7c2f40 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -3162,6 +3162,7 @@ memzcan(void) static void show_task(struct task_struct *tsk) { + unsigned int p_state = READ_ONCE(tsk->__state); char state; /* @@ -3169,14 +3170,14 @@ static void show_task(struct task_struct *tsk) * appropriate for calling from xmon. This could be moved * to a common, generic, routine used by both. */ - state = (tsk->state == 0) ? 'R' : - (tsk->state < 0) ? 'U' : - (tsk->state & TASK_UNINTERRUPTIBLE) ? 'D' : - (tsk->state & TASK_STOPPED) ? 'T' : - (tsk->state & TASK_TRACED) ? 'C' : + state = (p_state == 0) ? 'R' : + (p_state < 0) ? 'U' : + (p_state & TASK_UNINTERRUPTIBLE) ? 'D' : + (p_state & TASK_STOPPED) ? 'T' : + (p_state & TASK_TRACED) ? 'C' : (tsk->exit_state & EXIT_ZOMBIE) ? 'Z' : (tsk->exit_state & EXIT_DEAD) ? 'E' : - (tsk->state & TASK_INTERRUPTIBLE) ? 'S' : '?'; + (p_state & TASK_INTERRUPTIBLE) ? 'S' : '?'; printf("%16px %16lx %16px %6d %6d %c %2d %s\n", tsk, tsk->thread.ksp, tsk->thread.regs, |