Re: [PATCH v7 15/18] xen/pvcalls: implement the ioworker functions
From: Juergen Gross
Date: Thu Jul 06 2017 - 03:27:58 EST
On 05/07/17 23:50, Stefano Stabellini wrote:
> We have one ioworker per socket. Each ioworker goes through the list of
> outstanding read/write requests. Once all requests have been dealt with,
> it returns.
> We use one atomic counter per socket for "read" operations and one
> for "write" operations to keep track of the reads/writes to do.
> We also use one atomic counter ("io") per ioworker to keep track of how
> many outstanding requests we have in total assigned to the ioworker. The
> ioworker finishes when there are none.
> Signed-off-by: Stefano Stabellini <stefano@xxxxxxxxxxx>
> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
Reviewed-by: Juergen Gross <jgross@xxxxxxxx>