On 07/05/2012 08:16 PM, Bhushan Bharat-R65777 wrote: > > >> -----Original Message----- >> From: Wood Scott-B07421 >> Sent: Friday, July 06, 2012 6:30 AM >> To: Bhushan Bharat-R65777 >> Cc: Wood Scott-B07421; qemu-ppc@xxxxxxxxxx; kvm-ppc@xxxxxxxxxxxxxxx; >> agraf@xxxxxxx >> Subject: Re: [PATCH 3/4] Watchdog exit handling support >> >> On 07/05/2012 07:43 PM, Bhushan Bharat-R65777 wrote: >>> Your initial comment was "We should probably call this function before >>> returning to KVM". Which suggest that ioctls calls made by QEMU to >>> enter KVM. I am a bit confused, now you want to avoid long delays in >>> QEMU? This suggest whenever we exit to qemu, right? >> >> Whenever we exit to QEMU is one possibility, though it's probably too aggressive >> (if the guest gets stuck in a loop that contains a QEMU exit, the watchdog won't >> catch it). Another option is to reset the state machine only when the guest >> resumes from a debug halt. > > Ok. > > Resetting the state machine does not disable watchdog, it will just > ensure the longest time for debug halt etc. Is that ok ? I'm talking about TSR, not TCR. It's not about disabling the watchdog or changing the period, but clearing any event that has happened when leaving debug halt. -Scott -- To unsubscribe from this list: send the line "unsubscribe kvm-ppc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
