On 2020/5/27 11:27, Tian, Kevin wrote:
>> From: Xiang Zheng
>> Sent: Monday, May 25, 2020 7:34 PM
>>
>> [+cc Kirti, Yan, Alex]
>>
>> On 2020/5/23 1:14, Jean-Philippe Brucker wrote:
>>> Hi,
>>>
>>> On Tue, May 19, 2020 at 05:42:55P
[+cc Kirti, Yan, Alex]
On 2020/5/23 1:14, Jean-Philippe Brucker wrote:
> Hi,
>
> On Tue, May 19, 2020 at 05:42:55PM +0800, Xiang Zheng wrote:
>> Hi all,
>>
>> Is there any plan for enabling SMMU HTTU?
>
> Not outside of SVA, as far as I know.
>
>>
Hi all,
Is there any plan for enabling SMMU HTTU?
I have seen the patch locates in the SVA series patch, which adds
support for HTTU:
https://www.spinics.net/lists/arm-kernel/msg798694.html
HTTU reduces the number of access faults on SMMU fault queue
(permission faults also benifit from
On 2019/5/22 0:44, Andrew Murray wrote:
> On Sun, May 19, 2019 at 06:05:59PM +0800, Xiang Zheng wrote:
>> Guest will adjust the sample period and set PMU counter value when
>> it takes a long time to handle the PMU interrupts.
>>
>> However, we don't have a correspo
will get hang for
handling these interrupts.
So update the sample_period of perf event if the counter value is
changed to avoid this case.
Signed-off-by: Xiang Zheng
---
virt/kvm/arm/pmu.c | 54 +-
1 file changed, 45 insertions(+), 9 deletions
