[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] RE: [Xen-devel] x86 HPET MSI IRQs vs resume from S3
Hi Jan, PRC are in Chinese New Year holiday, we will work on it after that. Thanks! -Xin > -----Original Message----- > From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx > [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Jan Beulich > Sent: Friday, January 28, 2011 5:24 PM > To: xen-devel@xxxxxxxxxxxxxxxxxxx > Subject: [Xen-devel] x86 HPET MSI IRQs vs resume from S3 > > Going through hpet_broadcast_init(), I see that hpet_setup_msi_irq() > gets called during resume, thus causing setup_irq() to be called. I'm > failing to spot the corresponding release_irq(), and hence I can't see > how this whole code path is supposed to work during resume (other > than always falling back to using legacy_hpet_event). Instead I'm > wondering whether in the resume case only msi_compose_msg()/ > hpet_msi_write() should be called for each IRQ used rather than the > whole hpet_broadcast_init(). > > Thanks for any hints or pointers, > Jan > > > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxxxxxxxx > http://lists.xensource.com/xen-devel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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