Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1303700

Re: [Openipmi-developer] [PATCH] ipmi: pass timeout as HZ independent value

From Nicholas Mc Guire <der.herr@hofr.at>
Newsgroups linux.kernel
Subject Re: [Openipmi-developer] [PATCH] ipmi: pass timeout as HZ independent value
Date 2016-01-07 17:00 +0100
Message-ID <qOl8L-1I5-41@gated-at.bofh.it> (permalink)
References <qOjgC-om-7@gated-at.bofh.it> <qOkPo-1zT-13@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


On Thu, Jan 07, 2016 at 07:37:29AM -0800, Nish Aravamudan wrote:
> On 07.01.2016 [14:52:37 +0100], Nicholas Mc Guire wrote:
> > schedule_timeout_* takes a timeout in jiffies but the code currently is
> > passing in a constant which makes this timeout HZ dependent, so pass it
> > through msecs_to_jiffies() to fix this up.
> > 
> > Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
> > ---
> > patch was compile tested with x86_64_defconfig + CONFIG_IPMI_HANDLER=m
> > 
> > Patch is against 4.4-rc8 (localversion-next is -next-20160107)
> > 
> >  drivers/char/ipmi/ipmi_si_intf.c | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> > 
> > diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
> > index 9fda22e..251d546 100644
> > --- a/drivers/char/ipmi/ipmi_si_intf.c
> > +++ b/drivers/char/ipmi/ipmi_si_intf.c
> > @@ -1099,7 +1099,8 @@ static int ipmi_thread(void *data)
> >  			schedule();
> >  		else if (smi_result == SI_SM_IDLE) {
> >  			if (atomic_read(&smi_info->need_watch)) {
> > -				schedule_timeout_interruptible(100);
> > +				schedule_timeout_interruptible(
> > +							msecs_to_jiffies(100));
> 
> I believe you can use msleep_interruptible() for this.
>
yup - should be the same as its just a wrapper to 
schedule_timeout_interruptible() probably msleep_interruptible()
would be more readable than having the msecs_to_jiffies()
visible here.

thx!
hofrat
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | NextPrevious in thread | Find similar | Unroll thread


Thread

[PATCH] ipmi: pass timeout as HZ independent value Nicholas Mc Guire <hofrat@osadl.org> - 2016-01-07 15:00 +0100
  Re: [Openipmi-developer] [PATCH] ipmi: pass timeout as HZ  independent value Nish Aravamudan <nish.aravamudan@canonical.com> - 2016-01-07 16:40 +0100
    Re: [Openipmi-developer] [PATCH] ipmi: pass timeout as HZ  independent value Nicholas Mc Guire <der.herr@hofr.at> - 2016-01-07 17:00 +0100

csiph-web