Re: [PATCHv2 vringh 1/3] remoteproc: Add support for vringh (Host vrings)

From: Ohad Ben-Cohen
Date: Thu Feb 21 2013 - 12:55:41 EST

Hi Sjur,

On Thu, Feb 21, 2013 at 7:28 PM, Sjur Brændeland <sjurbren@xxxxxxxxx> wrote:
> The motivation for using vringh was to avoid copying buffers
> when sending data from the modem to the host.

I may be missing something here, but why do you need vringh for that?

With rpmsg (which uses two regular vrings) both ends send huge amount
of data without copying it - we just send the pointers across.

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