On 19/04/2021 17:00, Jan Beulich wrote:
> On 19.04.2021 17:57, Andrew Cooper wrote:
>> On 19/04/2021 16:55, Jan Beulich wrote:
>>> On 19.04.2021 16:45, Andrew Cooper wrote:
Factor out a compat boolean to remove the lfence overhead from multiple
is_pv_32bit_domain() calls.
For a
On 19.04.2021 17:57, Andrew Cooper wrote:
> On 19/04/2021 16:55, Jan Beulich wrote:
>> On 19.04.2021 16:45, Andrew Cooper wrote:
>>> Factor out a compat boolean to remove the lfence overhead from multiple
>>> is_pv_32bit_domain() calls.
>>>
>>> For a compat guest, the upper 32 bits of rdx are zero,
On 19/04/2021 16:55, Jan Beulich wrote:
> On 19.04.2021 16:45, Andrew Cooper wrote:
>> Factor out a compat boolean to remove the lfence overhead from multiple
>> is_pv_32bit_domain() calls.
>>
>> For a compat guest, the upper 32 bits of rdx are zero, so there is no need to
>> have any conditional l
On 19.04.2021 16:45, Andrew Cooper wrote:
> Factor out a compat boolean to remove the lfence overhead from multiple
> is_pv_32bit_domain() calls.
>
> For a compat guest, the upper 32 bits of rdx are zero, so there is no need to
> have any conditional logic at all when mapping the start info page.
Factor out a compat boolean to remove the lfence overhead from multiple
is_pv_32bit_domain() calls.
For a compat guest, the upper 32 bits of rdx are zero, so there is no need to
have any conditional logic at all when mapping the start info page.
Signed-off-by: Andrew Cooper
---
CC: Jan Beulich
