From: Ingo Molnar <mingo@elte.hu>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-kernel@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>,
Peter Zijlstra <peterz@infradead.org>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Mathieu Desnoyers <compudj@krystal.dyndns.org>,
Steven Rostedt <srostedt@redhat.com>
Subject: Re: [PATCH 2/6] Unified trace buffer
Date: Tue, 30 Sep 2008 11:45:16 +0200 [thread overview]
Message-ID: <20080930094516.GA1276@elte.hu> (raw)
In-Reply-To: <20080930030652.100327014@goodmis.org>
* Steven Rostedt <rostedt@goodmis.org> wrote:
> +void ring_buffer_lock(struct ring_buffer *buffer, unsigned long *flags)
> +{
> + struct ring_buffer_per_cpu *cpu_buffer;
> + int cpu;
> +
> + local_irq_save(*flags);
> +
> + for_each_buffer_cpu(buffer, cpu) {
> + cpu_buffer = buffer->buffers[cpu];
> + spin_lock(&cpu_buffer->lock);
> + }
> +}
hm, that's rather unintelligent and needs to be fixed.
Ingo
next prev parent reply other threads:[~2008-09-30 9:45 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-30 3:02 [PATCH 0/6] ftrace: port to the new ring_buffer Steven Rostedt
2008-09-30 3:02 ` [PATCH 1/6] ftrace: give time for wakeup test to run Steven Rostedt
2008-09-30 3:02 ` [PATCH 2/6] Unified trace buffer Steven Rostedt
2008-09-30 9:45 ` Ingo Molnar [this message]
2008-09-30 11:53 ` Ingo Molnar
2008-09-30 12:06 ` Steven Rostedt
2008-09-30 3:02 ` [PATCH 3/6] ring_buffer: add paranoid check for buffer page Steven Rostedt
2008-09-30 3:02 ` [PATCH 4/6] ring_buffer: reset buffer page when freeing Steven Rostedt
2008-09-30 3:02 ` [PATCH 5/6] ftrace: make work with new ring buffer Steven Rostedt
2008-09-30 3:02 ` [PATCH 6/6] ftrace: take advantage of variable length entries Steven Rostedt
2008-09-30 17:33 ` Pekka Paalanen
2008-09-30 17:45 ` Steven Rostedt
2008-10-01 4:42 ` Steven Rostedt
2008-10-01 7:54 ` Ingo Molnar
2008-10-01 14:52 ` Steven Rostedt
2008-10-01 14:52 ` [PATCH] ftrace: type cast verifier Steven Rostedt
2008-10-01 17:42 ` Ingo Molnar
2008-10-01 17:47 ` Ingo Molnar
2008-09-30 7:45 ` [PATCH 0/6] ftrace: port to the new ring_buffer Ingo Molnar
2008-09-30 8:23 ` Ingo Molnar
2008-09-30 8:30 ` Ingo Molnar
2008-09-30 9:13 ` Ingo Molnar
2008-09-30 12:04 ` Steven Rostedt
2008-09-30 12:04 ` Steven Rostedt
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