Re: [PATCH 06/17] xen-blkfront: remove IRQF_SAMPLE_RANDOM which isnow a no-op

From: Konrad Rzeszutek Wilk
Date: Thu Jul 19 2012 - 15:53:38 EST


On Tue, Jul 17, 2012 at 05:32:25PM -0400, Theodore Ts'o wrote:
> With the changes in the random tree, IRQF_SAMPLE_RANDOM is now a
> no-op; interrupt randomness is now collected unconditionally in a very
> low-overhead fashion; see commit 775f4b297b. The IRQF_SAMPLE_RANDOM
> flag was scheduled to be removed in 2009 on the
> feature-removal-schedule, so this patch is preparation for the final
> removal of this flag.
>
> Signed-off-by: "Theodore Ts'o" <tytso@xxxxxxx>
> Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>

Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
> Cc: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
> ---
> drivers/block/xen-blkfront.c | 5 ++---
> 1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
> index 60eed4b..8f7a071 100644
> --- a/drivers/block/xen-blkfront.c
> +++ b/drivers/block/xen-blkfront.c
> @@ -854,9 +854,8 @@ static int setup_blkring(struct xenbus_device *dev,
> if (err)
> goto fail;
>
> - err = bind_evtchn_to_irqhandler(info->evtchn,
> - blkif_interrupt,
> - IRQF_SAMPLE_RANDOM, "blkif", info);
> + err = bind_evtchn_to_irqhandler(info->evtchn, blkif_interrupt, 0,
> + "blkif", info);
> if (err <= 0) {
> xenbus_dev_fatal(dev, err,
> "bind_evtchn_to_irqhandler failed");
> --
> 1.7.11.1.108.gb129051
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