[PATCH 2/3] tpm: reduce poll sleep time between send() and recv() in tpm_transmit()
Jarkko Sakkinen
jarkko.sakkinen at linux.intel.com
Mon Mar 5 18:01:44 UTC 2018
On Mon, Mar 05, 2018 at 12:56:33PM +0200, Jarkko Sakkinen wrote:
> On Fri, Mar 02, 2018 at 12:26:35AM +0530, Nayna Jain wrote:
> >
> >
> > On 03/01/2018 02:52 PM, Jarkko Sakkinen wrote:
> > > On Wed, Feb 28, 2018 at 02:18:27PM -0500, Nayna Jain wrote:
> > > > In tpm_transmit, after send(), the code checks for status in a loop
> > > Maybe cutting hairs now but please just use the actual function name
> > > instead of send(). Just makes the commit log more useful asset.
> > Sure, will do.
> > >
> > > > - tpm_msleep(TPM_TIMEOUT);
> > > > + tpm_msleep(TPM_TIMEOUT_POLL);
> > > What about just calling schedule()?
> > I'm not sure what you mean by "schedule()". Are you suggesting instead of
> > using usleep_range(), using something with an even finer grain construct?
> >
> > Thanks & Regards,
> > - Nayna
>
> kernel/sched/core.c
The question I'm trying ask to is: is it better to sleep such a short
time or just ask scheduler to schedule something else after each
iteration?
/Jarkko
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