linux-kernel - Re: [PATCH v2] vhost: replace % with & on data path

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Message-ID: <20151204201901.GB19430@google.com>
Date:	Fri, 4 Dec 2015 12:19:01 -0800
From:	Venkatesh Srinivas <venkateshs@...gle.com>
To:	"Michael S. Tsirkin" <mst@...hat.com>
Cc:	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org
Subject: Re: [PATCH v2] vhost: replace % with & on data path

On Mon, Nov 30, 2015 at 11:15:23AM +0200, Michael S. Tsirkin wrote:
> We know vring num is a power of 2, so use &
> to mask the high bits.
> 
> Signed-off-by: Michael S. Tsirkin <mst@...hat.com>
> ---

The generated code switches from DIV -> masking, source is clearer as well.

Tested-by: Venkatesh Srinivas <venkateshs@...gle.com>

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