From: Ingo Molnar <mingo@elte.hu>
To: Daniel Walker <dwalker@mvista.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH -rt] scheduling while atomic in fs/file.c
Date: Wed, 3 May 2006 22:45:04 +0200 [thread overview]
Message-ID: <20060503204504.GA15965@elte.hu> (raw)
In-Reply-To: <200604221503.k3MF3Ws8021873@dwalker1.mvista.com>
* Daniel Walker <dwalker@mvista.com> wrote:
> - fddef = &get_cpu_var(fdtable_defer_list);
> + fddef = &__get_cpu_var(fdtable_defer_list);
ok, the bug you found is real - but i dont like the fix: now we will be
using smp_processor_id() in preemptible code, which will trip up under
DEBUG_PREEMPT. Since in this particular case any CPU is fine,
per_cpu(...,raw_smp_processor_id()) ought to do the trick. Mind to
update the patch?
Ingo
next prev parent reply other threads:[~2006-05-03 20:40 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-22 15:03 Daniel Walker
2006-05-03 20:45 ` Ingo Molnar [this message]
2006-05-03 20:43 ` Daniel Walker
2006-05-14 15:45 Daniel Walker
2006-05-14 16:44 ` Steven Rostedt
2006-05-14 17:32 ` Daniel Walker
2006-05-15 6:43 ` Steven Rostedt
2006-05-15 7:04 ` Steven Rostedt
2006-05-15 13:37 ` Daniel Walker
2006-05-15 14:03 ` Steven Rostedt
2006-05-15 13:51 ` Daniel Walker
2006-05-15 14:05 ` Steven Rostedt
2006-05-16 16:28 Daniel Walker
2006-05-18 7:55 ` Ingo Molnar
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