Messages in this thread | | | Date | Mon, 9 Apr 2001 15:05:43 +0400 | From | Ivan Kokshaysky <> | Subject | Re: [Linux-fbdev-devel] Re: fbcon slowness [was NTP on 2.4.2?] |
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On Mon, Apr 09, 2001 at 12:02:54PM +0200, Maciej W. Rozycki wrote: > I think you need an mb here. To force sychronization with other CPUs. > Unless you know you are UP or there is no possibility another CPU may > access the relevant device.
Yes - in most cases you need synchronization at a higher level. For instance, you don't want other CPUs accessing the device while you are sending command sequences to it.
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