Messages in this thread | | | Date | Sat, 3 May 2008 21:37:01 +0200 | From | Ingo Molnar <> | Subject | Re: 'global' rq->clock |
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* David Miller <davem@davemloft.net> wrote:
> From: Ingo Molnar <mingo@elte.hu> > Date: Sat, 3 May 2008 12:10:16 +0200 > > > ( although please note that the growing generalization that goes on > > _did_ find a subtle nohz problem on sparc64 early in the merge > > window, so it's not like these changes are totally useless to you. > > ) > > Note that this bug theoretically exists on every platform, even x86, > and only sparc64 is fixed at the moment by adding the > irq_{entry,exit}() guards around all of it's IPI handlers. > > Just a reminder.
yeah, indeed - it's masked on x86 by the suckiness of most clockevents hw timers. We dont get unlimited sleep time like sparc64 does :-/
Ingo
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