On 06.09.2021 16:05, Andrew Cooper wrote:
> On 26/08/2021 11:09, Jan Beulich wrote:
>> By default all guests are permitted to have up to 1024 maptrack frames,
>> which on 64-bit means an 8k frame table. Yet except for driver domains
>> guests normally don't make use of grant mappings. Defer allocat
On 26/08/2021 11:09, Jan Beulich wrote:
> By default all guests are permitted to have up to 1024 maptrack frames,
> which on 64-bit means an 8k frame table. Yet except for driver domains
> guests normally don't make use of grant mappings. Defer allocating the
> table until a map track handle is fir
On 06.09.2021 15:33, Julien Grall wrote:
> On 06/09/2021 14:29, Jan Beulich wrote:
>> On 06.09.2021 15:13, Julien Grall wrote:
>>> On 26/08/2021 11:09, Jan Beulich wrote:
--- a/xen/common/grant_table.c
+++ b/xen/common/grant_table.c
@@ -633,6 +633,34 @@ get_maptrack_handle(
Hi Jan,
On 06/09/2021 14:29, Jan Beulich wrote:
On 06.09.2021 15:13, Julien Grall wrote:
On 26/08/2021 11:09, Jan Beulich wrote:
--- a/xen/common/grant_table.c
+++ b/xen/common/grant_table.c
@@ -633,6 +633,34 @@ get_maptrack_handle(
if ( likely(handle != INVALID_MAPTRACK_HANDLE) )
On 06.09.2021 15:13, Julien Grall wrote:
> On 26/08/2021 11:09, Jan Beulich wrote:
>> --- a/xen/common/grant_table.c
>> +++ b/xen/common/grant_table.c
>> @@ -633,6 +633,34 @@ get_maptrack_handle(
>> if ( likely(handle != INVALID_MAPTRACK_HANDLE) )
>> return handle;
>>
>> +if
Hi Jan,
On 26/08/2021 11:09, Jan Beulich wrote:
By default all guests are permitted to have up to 1024 maptrack frames,
which on 64-bit means an 8k frame table. Yet except for driver domains
guests normally don't make use of grant mappings. Defer allocating the
table until a map track handle is
By default all guests are permitted to have up to 1024 maptrack frames,
which on 64-bit means an 8k frame table. Yet except for driver domains
guests normally don't make use of grant mappings. Defer allocating the
table until a map track handle is first requested.
Signed-off-by: Jan Beulich
---
I
