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From: oleg@tv-sign.ru
To: linux-kernel@vger.kernel.org
Cc: mingo@elte.hu
Subject: Re: [patch] sched-2.5.24-D3, batch/idle priority scheduling, SCHED_BATCH
Date: Sat, 06 Jul 2002 22:18:36 +0400	[thread overview]
Message-ID: <3D27347C.29DC9014@tv-sign.ru> (raw)

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.

And users of __KERNEL_SYSCALLS__ and kernel_thread() should not
have policy == SCHED_BATCH.

No?

             reply	other threads:[~2002-07-06 18:13 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-07-06 18:18 oleg [this message]
2002-07-10 19:38 ` Ingo Molnar
2002-07-10 19:46   ` Ingo Molnar
2002-07-11  7:15     ` Ingo Molnar
2002-07-14 12:29       ` Pavel Machek
2002-07-15 16:31         ` Robert Love
2002-07-18  6:46         ` Ingo Molnar
  -- strict thread matches above, loose matches on Subject: below --
2002-07-10 22:34 Oleg Nesterov
2002-07-01  9:45 Ingo Molnar

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