Messages in this thread | | | From | (H. Peter Anvin) | Subject | Re: Dropped frames in video capture process | Date | 13 Nov 1998 02:13:46 GMT |
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Followup to: <19981113115139.A32481@caffeine.ix.net.nz> By author: Chris Wedgwood <chris@cybernet.co.nz> In newsgroup: linux.dev.kernel > > On Thu, Nov 12, 1998 at 11:25:47PM +0000, Alan Cox wrote: > > > Intel SMP runs lockstep off the same clock, and we actually rely on > > that in kernel right now > > so both clocks are always in sync? Normally I would assume they are, > but we can trivially make them far apart (set the lower 32-bits of > the current tsc to ~0 or somesuch). > > still, if we play those games and things break, we only have > ourselves to blame... >
Right. Note that only the kernel can write to the TSC anyway; and has no reason to do so.
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