Re: [PATCH v2 6/6] serial: Consolidate BOTH_EMPTY use

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, Jun 23, 2022 at 10:24 AM Jiri Slaby <jirislaby@xxxxxxxxxx> wrote:
> On 23. 06. 22, 10:11, Andy Shevchenko wrote:
> >     * prom_putchar_wait() should be implemented using
> >        read_poll_timeout_atomic(), incl. failure/timeout handling.
> >
> > Not sure since it is an early stage and scheduler might not work as
> > expected. Conversions to iopoll.h macros bitten us a few times already.
>
> Except _atomic does not use scheduler :).

Sorry for a bit misleading comment, but I chased it down, so this what
I had in mind when commenting:
be24c6a71ecf ("soc: qcom: rpmh-rsc: Don't use ktime for timeout in
write_tcs_reg_sync()")

(Yes, it's about _atomic variant)

Means we need to use those macros with care.

-- 
With Best Regards,
Andy Shevchenko



[Index of Archives]     [Kernel Newbies]     [Security]     [Netfilter]     [Bugtraq]     [Linux PPP]     [Linux FS]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Video 4 Linux]     [Linmodem]     [Device Mapper]     [Linux Kernel for ARM]

  Powered by Linux