linux-kernel - Re: [PATCH 1/1] hv: Use only one txf buffer per channel and kmalloc on initialize

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Message-ID: <20101213220333.GA1636@ioremap.net>
Date:	Tue, 14 Dec 2010 01:03:33 +0300
From:	Evgeniy Polyakov <zbr@...emap.net>
To:	Hank Janssen <hjanssen@...rosoft.com>
Cc:	gregkh@...e.de, linux-kernel@...r.kernel.org,
	devel@...uxdriverproject.org, virtualization@...ts.osdl.org,
	Haiyang Zhang <haiyangz@...rosoft.com>,
	Jesper Juhl <jj@...osbits.net>,
	Ky Srinivasan <ksrinivasan@...ell.com>
Subject: Re: [PATCH 1/1] hv: Use only one txf buffer per channel and
 kmalloc on initialize

On Mon, Dec 13, 2010 at 01:14:21PM -0800, Hank Janssen (hjanssen@...rosoft.com) wrote:
> +static u8 *shut_txf_buf;
> +static u8 *time_txf_buf;
> +static u8 *hbeat_txf_buf;

Those are accessed without any kind of synchronization. I do not know
exact context, but are you sure it is single-threaded?

-- 
	Evgeniy Polyakov
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