Re: [Qemu-devel] [PATCH] pseries: Allow TCG h_enter to work with hotplugged memory

2016-01-21 Thread Paolo Bonzini
On 21/01/2016 04:50, David Gibson wrote: > On Thu, Jan 21, 2016 at 12:48:46PM +1100, Alexey Kardashevskiy > wrote: >> On 01/21/2016 12:41 PM, David Gibson wrote: >>> The implementation of the H_ENTER hypercall for PAPR guests >>> needs to enforce correct access attributes on the inserted >>>

[Qemu-devel] [PATCH] pseries: Allow TCG h_enter to work with hotplugged memory

2016-01-20 Thread David Gibson
The implementation of the H_ENTER hypercall for PAPR guests needs to enforce correct access attributes on the inserted HPTE. This means determining if the HPTE's real address is a regular RAM address (which requires attributes for coherent access) or an IO address (which requires attributes for

Re: [Qemu-devel] [PATCH] pseries: Allow TCG h_enter to work with hotplugged memory

2016-01-20 Thread Alexey Kardashevskiy
On 01/21/2016 12:41 PM, David Gibson wrote: The implementation of the H_ENTER hypercall for PAPR guests needs to enforce correct access attributes on the inserted HPTE. This means determining if the HPTE's real address is a regular RAM address (which requires attributes for coherent access) or

Re: [Qemu-devel] [PATCH] pseries: Allow TCG h_enter to work with hotplugged memory

2016-01-20 Thread David Gibson
On Thu, Jan 21, 2016 at 12:48:46PM +1100, Alexey Kardashevskiy wrote: > On 01/21/2016 12:41 PM, David Gibson wrote: > >The implementation of the H_ENTER hypercall for PAPR guests needs to > >enforce correct access attributes on the inserted HPTE. This means > >determining if the HPTE's real