Am Mittwoch, den 17.07.2019, 12:06 +0100 schrieb Mark Brown: > On Wed, Jul 17, 2019 at 12:51:56PM +0200, Lucas Stach wrote: > > > The regmap is only ever used to access MMIO registers, so it's fair > > to say that register access is fast. > > Are you sure there's no caches that try to do allocations at > runtime? The main thing fast_io does is change the locking to > spinlocks which means we shouldn't do any allocations under lock, > such as when updating the cache. This driver is using REGCACHE_FLAT, which does its sole allocation on init and none at reg access time AFAICS. So this should be okay. Regards, Lucas _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx https://mailman.alsa-project.org/mailman/listinfo/alsa-devel
