RE: [PATCH] kvm/powerpc/e500mc: fix tlb invalidation on cpu migration

2013-04-25 Thread Caraman Mihai Claudiu-B02008
> On 08.03.2013, at 21:25, Scott Wood wrote: > > > The existing check handles the case where we've migrated to a different > > core than we last ran on, but it doesn't handle the case where we're > > still on the same cpu we last ran on, but some other vcpu has run on > > this cpu in the meantime.

Re: [PATCH] kvm/powerpc/e500mc: fix tlb invalidation on cpu migration

2013-03-08 Thread Alexander Graf
On 08.03.2013, at 21:25, Scott Wood wrote: > The existing check handles the case where we've migrated to a different > core than we last ran on, but it doesn't handle the case where we're > still on the same cpu we last ran on, but some other vcpu has run on > this cpu in the meantime. > > Witho

[PATCH] kvm/powerpc/e500mc: fix tlb invalidation on cpu migration

2013-03-08 Thread Scott Wood
The existing check handles the case where we've migrated to a different core than we last ran on, but it doesn't handle the case where we're still on the same cpu we last ran on, but some other vcpu has run on this cpu in the meantime. Without this, guest segfaults (and other misbehavior) have bee

Re: [PATCH] kvm/powerpc/e500mc: fix tlb invalidation on cpu migration

2013-03-08 Thread Alexander Graf
On 19.02.2013, at 05:13, Scott Wood wrote: > The existing check handles the case where we've migrated to a different > core than we last ran on, but it doesn't handle the case where we're > still on the same cpu we last ran on, but some other vcpu has run on > this cpu in the meantime. > > Signe

[PATCH] kvm/powerpc/e500mc: fix tlb invalidation on cpu migration

2013-02-18 Thread Scott Wood
The existing check handles the case where we've migrated to a different core than we last ran on, but it doesn't handle the case where we're still on the same cpu we last ran on, but some other vcpu has run on this cpu in the meantime. Signed-off-by: Scott Wood --- This seems to have been the cau