On Wed, 24 Oct 2007 08:24:55 -0400
Matthew Wilcox <[email protected]> wrote:
> Abstracting away direct uses of TASK_ flags allows us to change the
> definitions of the task flags more easily.
>
> Also restructure do_wait() a little
>
> ...
>
> diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
> index 59169bf..c2ca724 100644
> --- a/arch/ia64/kernel/perfmon.c
> +++ b/arch/ia64/kernel/perfmon.c
> @@ -2631,7 +2631,7 @@ pfm_task_incompatible(pfm_context_t *ctx, struct task_struct *task)
> */
> if (task == current) return 0;
>
> - if ((task->state != TASK_STOPPED) && (task->state != TASK_TRACED)) {
> + if (!is_task_stopped_or_traced(task)) {
> DPRINT(("cannot attach to non-stopped task [%d] state=%ld\n", task_pid_nr(task), task->state));
> return -EBUSY;
> }
> @@ -4792,7 +4792,7 @@ recheck:
> * the task must be stopped.
> */
> if (PFM_CMD_STOPPED(cmd)) {
> - if ((task->state != TASK_STOPPED) && (task->state != TASK_TRACED)) {
> + if (!is_task_stopped_or_traced(task)) {
> DPRINT(("[%d] task not in stopped state\n", task_pid_nr(task)));
> return -EBUSY;
> }
I have dropped this hunk because the file which it is patching is removed
by the (newly-added-to-mm) git-perfmon.patch. I can't immediately find any
corresponding code which was readded in a different place by git-perfmon so
it looks like this code was simply zapped.
Of course, if git-perfmon doesn't merge in 2.6.25 then I'll end up merging
your patch but accidentally leaving 2.6.25's arch/ia64/kernel/perfmon.c
unpatched. It looks like that'll be non-fatal.
This isn't going to go very well and I might end up having to drop this
whole patch series and ask for a refactored one. We'll see.
-
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