RE: [PATCH] ahci: Changing two module params with static and__read_mostly

From: Liu, Chuansheng
Date: Tue Sep 17 2013 - 22:52:32 EST




> -----Original Message-----
> From: Joe Perches [mailto:joe@xxxxxxxxxxx]
> Sent: Wednesday, September 18, 2013 12:24 AM
> To: Liu, Chuansheng
> Cc: tj@xxxxxxxxxx; linux-ide@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx
> Subject: Re: [PATCH] ahci: Changing two module params with static and
> __read_mostly
>
> On Wed, 2013-09-18 at 00:48 +0800, Chuansheng Liu wrote:
> > Here module parameters ahci_em_messages and devslp_idle_timeout can
> > be set as static and __read_mostly.
> >
> > Signed-off-by: Liu, Chuansheng <chuansheng.liu@xxxxxxxxx>
> > ---
> > drivers/ata/libahci.c | 5 +++--
> > 1 file changed, 3 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
> []
> > @@ -189,14 +189,15 @@ struct ata_port_operations
> ahci_pmp_retry_srst_ops = {
> > };
> > EXPORT_SYMBOL_GPL(ahci_pmp_retry_srst_ops);
> >
> > -int ahci_em_messages = 1;
> > +static int ahci_em_messages __read_mostly = 1;
>
> This one could also be converted to
> static bool ahci_em_messages __read_mostly = true;
>
Thanks, will update one new patch.
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