Re: [Xen-devel] [PATCH 0/3] x86: XSA-109/110 follow-up (to be considered for 4.5)

2014-11-24 Thread Konrad Rzeszutek Wilk
On Mon, Nov 24, 2014 at 11:49:24AM +, Jan Beulich wrote: > >>> On 20.11.14 at 11:04, wrote: > > 1: tighten page table owner checking in do_mmu_update() > > 2: don't ignore foreigndom input on various MMUEXT ops > > 3: HVM: don't crash guest upon problems occurring in user mode > > > > Reason

Re: [Xen-devel] [PATCH 0/3] x86: XSA-109/110 follow-up (to be considered for 4.5)

2014-11-24 Thread Jan Beulich
>>> On 20.11.14 at 11:04, wrote: > 1: tighten page table owner checking in do_mmu_update() > 2: don't ignore foreigndom input on various MMUEXT ops > 3: HVM: don't crash guest upon problems occurring in user mode > > Reason to request considering this for 4.5: Tightened argument > checking (as do

[Xen-devel] [PATCH 0/3] x86: XSA-109/110 follow-up (to be considered for 4.5)

2014-11-20 Thread Jan Beulich
1: tighten page table owner checking in do_mmu_update() 2: don't ignore foreigndom input on various MMUEXT ops 3: HVM: don't crash guest upon problems occurring in user mode Reason to request considering this for 4.5: Tightened argument checking (as done in the first two patches) reduces the chanc