Thanks for the update...interesting bug... -Eric
John Levon wrote: > On Fri, Sep 05, 2008 at 06:07:30PM +0100, John Levon wrote: > > >> Slightly more tricky here. The reason it uses cli/sti at all is because >> kpreempt_enable() will indeed trigger a pre-emption, which is verboten >> here (since we may have come in via a fast-trap, and we don't have any >> of the RUPDATE_PENDING fun). So it really needs to be: >> >> curthread->t_preempt++; >> ... >> curthread->t_preempt--; >> >> like in xpv_timestamp.c. Unless I've got it totally wrong, of course :) >> > > Which of course I have. See this bug: > > 6740460 Dom0 hangs while running libsched - no resources to continue > > So I should be ignored, you can't directly use ->t_preempt like this at > all. Not sure if you made that change but I thought I'd admit liability > :) > > regards > john > _______________________________________________ > tesla-dev mailing list > tesla-dev at opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/tesla-dev >
