On Fri, Jan 09, 2015 at 12:02:51PM +1100, Alexey Kardashevskiy wrote:
Instead of tweaking a TCE table device by adding there a bypass flag,
let's add an alias to RAM and IOMMU memory region, and enable/disable
those according to the selected bypass mode.
This way IOMMU memory region can have
On Fri, Jan 09, 2015 at 01:59:25PM +0100, Paolo Bonzini wrote:
On 09/01/2015 13:53, Alexey Kardashevskiy wrote:
I think the minimum version should be 2 as well, because migrating from
version 1 will not set the bypass field correctly.
This why the patch is RFC :)
I can keep the
On 09/01/2015 02:02, Alexey Kardashevskiy wrote:
@@ -100,7 +98,7 @@ static const VMStateDescription vmstate_spapr_tce_table = {
VMSTATE_UINT32_EQUAL(nb_table, sPAPRTCETable),
/* IOMMU state */
-VMSTATE_BOOL(bypass, sPAPRTCETable),
+
On 09/01/2015 13:53, Alexey Kardashevskiy wrote:
I think the minimum version should be 2 as well, because migrating from
version 1 will not set the bypass field correctly.
This why the patch is RFC :)
I can keep the flag in TCETable which would be a bit ugly but won't break
migration.
On 01/09/2015 09:05 PM, Paolo Bonzini wrote:
On 09/01/2015 02:02, Alexey Kardashevskiy wrote:
@@ -100,7 +98,7 @@ static const VMStateDescription vmstate_spapr_tce_table =
{
VMSTATE_UINT32_EQUAL(nb_table, sPAPRTCETable),
/* IOMMU state */
-
Instead of tweaking a TCE table device by adding there a bypass flag,
let's add an alias to RAM and IOMMU memory region, and enable/disable
those according to the selected bypass mode.
This way IOMMU memory region can have size of the actual window rather
than ram_size which is essential for
