On Wed, Apr 17, 2013 at 1:47 AM, Alexandre Ratchov <[email protected]> wrote: > On Mon, Apr 08, 2013 at 12:09:15PM +0200, Alexandre Ratchov wrote: >> This diff is to add audio-specific locking in order to stop taking >> the global kernel lock in audio interrupt code paths. With this, >> audio drivers don't have to wait until other kernel calls complete >> (including heavy syscalls) to process interrupts. Basically this >> will fix certain sndiod hangs or permanent distortion specific to >> MP kernels. Note that this doesn't improve usb devices, since the >> usb subsystem still takes the global kernel lock. >> >> I'm interrested in any regressions (crashes or performance >> degradation), including in non-audio devices involving lots of >> interrupts. > > Many thanks to all who tested. I got a lot of reports about working > audio and no regressions :) > > I'm still interrested in tests on i386 or amd64 MP boxes involving > a lot of interrupts, like sustained heavy network traffic or disk > i/o. No need to involve audio/midi.
No issues for me on my amd64 MP box ( heavy network IO whilst building chromium ). > > -- Alexandre >
