Messages in this thread | | | Subject | Re: [PATCH 1/3] printk: Release console_sem after logbuf_lock | From | Peter Zijlstra <> | Date | Fri, 10 Jun 2011 13:28:31 +0200 |
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On Thu, 2011-06-09 at 16:57 -0700, Hugh Dickins wrote: > > All console-related activity curently happens under spin_lock_irqsave(&console_lock). > This causes interrutps to be blocked for 1-2 milliseconds with vgacon, and for > hundreds of milliseconds with fbdevs. This results in network overruns, audio > dropouts, dropped characters on serial ports and other such nice things.
Hmm, with these proposed patches we're actually back to that. I wonder if fbdev is still that crappy..
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