Re: [PATCH 4/5] KVM: PPC: BOOKE: Clear guest dbsr in userspace exit KVM_EXIT_DEBUG

2014-08-04 Thread Scott Wood
rg; Yoder > > Stuart- > > B08248 > > Subject: Re: [PATCH 4/5] KVM: PPC: BOOKE: Clear guest dbsr in userspace exit > > KVM_EXIT_DEBUG > > > > FWIW, I think dbsr should be visible to userspace in general (regardless of > > whether it's cleared here), bec

RE: [PATCH 4/5] KVM: PPC: BOOKE: Clear guest dbsr in userspace exit KVM_EXIT_DEBUG

2014-08-04 Thread bharat.bhus...@freescale.com
> -Original Message- > From: Wood Scott-B07421 > Sent: Tuesday, August 05, 2014 4:17 AM > To: Bhushan Bharat-R65777 > Cc: ag...@suse.de; kvm-...@vger.kernel.org; kvm@vger.kernel.org; Yoder Stuart- > B08248 > Subject: Re: [PATCH 4/5] KVM: PPC: BOOKE: Clear guest d

Re: [PATCH 4/5] KVM: PPC: BOOKE: Clear guest dbsr in userspace exit KVM_EXIT_DEBUG

2014-08-04 Thread Scott Wood
On Mon, 2014-08-04 at 13:22 +0530, Bharat Bhushan wrote: > Dbsr is not visible to userspace and we do not think any need to > expose this to userspace because: > Userspace cannot inject debug interrupt to guest (as this > does not know guest ability to handle debug interrupt), so > userspace

[PATCH 4/5] KVM: PPC: BOOKE: Clear guest dbsr in userspace exit KVM_EXIT_DEBUG

2014-08-04 Thread Bharat Bhushan
Dbsr is not visible to userspace and we do not think any need to expose this to userspace because: Userspace cannot inject debug interrupt to guest (as this does not know guest ability to handle debug interrupt), so userspace will always clear DBSR. Now if userspace has to always clear DBSR