Re: [Xen-devel] [PATCH v6 2/2] add a new p2m type - p2m_mmio_write_dm

2014-12-11 Thread Jan Beulich
>>> On 11.12.14 at 13:04, wrote: > At 11:55 +0800 on 06 Dec (1417863337), Yu Zhang wrote: >> From: Yu Zhang >> >> A new p2m type, p2m_mmio_write_dm, is added to trap and emulate >> the write operations on GPU's page tables. Handling of this new >> p2m type are similar with existing p2m_ram_ro in

Re: [Xen-devel] [PATCH v6 2/2] add a new p2m type - p2m_mmio_write_dm

2014-12-11 Thread Tim Deegan
At 11:55 +0800 on 06 Dec (1417863337), Yu Zhang wrote: > From: Yu Zhang > > A new p2m type, p2m_mmio_write_dm, is added to trap and emulate > the write operations on GPU's page tables. Handling of this new > p2m type are similar with existing p2m_ram_ro in most condition > checks, with only diffe

Re: [Xen-devel] [PATCH v6 2/2] add a new p2m type - p2m_mmio_write_dm

2014-12-08 Thread Jan Beulich
>>> On 06.12.14 at 04:55, wrote: > From: Yu Zhang > > A new p2m type, p2m_mmio_write_dm, is added to trap and emulate > the write operations on GPU's page tables. Handling of this new > p2m type are similar with existing p2m_ram_ro in most condition > checks, with only difference on final policy

[Xen-devel] [PATCH v6 2/2] add a new p2m type - p2m_mmio_write_dm

2014-12-05 Thread Yu Zhang
From: Yu Zhang A new p2m type, p2m_mmio_write_dm, is added to trap and emulate the write operations on GPU's page tables. Handling of this new p2m type are similar with existing p2m_ram_ro in most condition checks, with only difference on final policy of emulation vs. drop. For p2m_ram_ro types,