Re: [PATCH] 8250: option 'force_polling' for buggy IRQs

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

 



> Serial consoles are already polled for output.  So nothing should
> care until userspace starts, and the full serial driver initializes.

At which point it hangs

> So I suspect either "irqfixup" or "irqpoll" would handle this for you.
> If not I am certain a small tweak to some of that code would work.

irqfixup won't usually help but irqpoll with HZ=1000 ought to, although
it has its own set of problems because not all devices with non shared
IRQ lines take kindly to irqpoll.

Alan
--
To unsubscribe from this list: send the line "unsubscribe linux-serial" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[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