Re: [PATCH v4 09/29] staging: unisys: visorinput: remove unnecessary locking

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

 



On Wed, 8 Jun 2016, David Kershner wrote:
> +	/*
> +	 * If we're not paused, really enable interrupts.
> +	 * Regardless of whether we are paused, set a flag indicating
> +	 * interrupts should be enabled so when we resume, interrupts
> +	 * will really be enabled.
> +	 */
> +	down_write(&devdata->lock_visor_dev);

I think I asked this before, but I might have missed the answer.

Why is this a rw_sempahore? It's never taken with down_read and looking at the
usage sites it's simply a mutex, right?

Thanks,

	tglx
--
To unsubscribe from this list: send the line "unsubscribe linux-doc" 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 FS]     [Yosemite Forum]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Video 4 Linux]     [Device Mapper]     [Linux Resources]

  Powered by Linux