On Sat, 6 Jul 2002 oleg@tv-sign.ru wrote:
> Hello.
>
> I beleive this patch against entry.S should be sufficient:
>
> --- entry.S~ Sat Jul 6 21:01:16 2002
> +++ entry.S Sat Jul 6 21:06:14 2002
> @@ -255,7 +255,7 @@
> testb $_TIF_NEED_RESCHED, %cl
> jz work_notifysig
> work_resched:
> - call schedule
> + call schedule_userspace
> cli # make sure we don't miss an
> interrupt
> # setting need_resched or
> sigpending
> # between sampling and the iret
>
> Both calls to schedule() at resume_kernel: and work_pending:
> have clear kernel/user return path.
agreed, good catch. This greatly simplifies things.
> And users of __KERNEL_SYSCALLS__ and kernel_thread() should not
> have policy == SCHED_BATCH.
yep. And even if they do they should be aware of the consequences.
Ingo
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This archive was generated by hypermail 2b29 : Mon Jul 15 2002 - 22:00:16 EST