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From: Steven Rostedt <rostedt@goodmis.org>
To: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: linux-kernel@vger.kernel.org,
	Masami Hiramatsu <mhiramat@kernel.org>,
	linux-trace-kernel@vger.kernel.org
Subject: Re: [RFC PATCH] ring-buffer: Fix and comment ring buffer rb_time functions on 32-bit
Date: Mon, 11 Dec 2023 18:13:52 -0500	[thread overview]
Message-ID: <20231211181352.088aeef5@gandalf.local.home> (raw)
In-Reply-To: <20231211175904.29e01e8b@gandalf.local.home>

On Mon, 11 Dec 2023 17:59:04 -0500
Steven Rostedt <rostedt@goodmis.org> wrote:

> > 
> > - A cmpxchg interrupted by 4 writes or cmpxchg overflows the counter
> >   and produces corrupted time stamps. This is _not_ fixed by this patch.  
> 
> Except that it's not 4 bits that is compared, but 32 bits.

That should be "not 2 bits", as in "shave and a hair cut!" ;-)

-- Steve

  reply	other threads:[~2023-12-11 23:13 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-11 20:13 Mathieu Desnoyers
2023-12-11 22:59 ` Steven Rostedt
2023-12-11 23:13   ` Steven Rostedt [this message]
2023-12-12  3:51   ` Mathieu Desnoyers
2023-12-12  4:38     ` Steven Rostedt
2023-12-12 16:49       ` Mathieu Desnoyers
2023-12-12 17:26         ` Steven Rostedt

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