On Wed, 19 Apr 2023 at 03:38, Duan, Zhenzhong wrote:
> >> The documentation for the replay method of IOMMUMemoryRegionClass
> >> says:
> >> * The default implementation of memory_region_iommu_replay() is to
> >> * call the IOMMU translate method for every page in the address space
> >>
edua...@habkost.net; da...@redhat.com;
>phi...@linaro.org
>Subject: Re: [PATCH v3] memory: Optimize replay of guest mapping
>
>On Tue, Apr 18, 2023 at 11:13:57AM +0100, Peter Maydell wrote:
>> On Thu, 13 Apr 2023 at 12:12, Zhenzhong Duan
> wrote:
>> >
>> >
On Tue, Apr 18, 2023 at 11:13:57AM +0100, Peter Maydell wrote:
> On Thu, 13 Apr 2023 at 12:12, Zhenzhong Duan wrote:
> >
> > On x86, there are two notifiers registered due to vtd-ir memory
> > region splitting the entire address space. During replay of the
> > address space for each notifier, the
On Thu, 13 Apr 2023 at 12:12, Zhenzhong Duan wrote:
>
> On x86, there are two notifiers registered due to vtd-ir memory
> region splitting the entire address space. During replay of the
> address space for each notifier, the whole address space is
> scanned which is unnecessary. We only need to sc
On Thu, Apr 13, 2023 at 07:00:19PM +0800, Zhenzhong Duan wrote:
> On x86, there are two notifiers registered due to vtd-ir memory
> region splitting the entire address space. During replay of the
> address space for each notifier, the whole address space is
> scanned which is unnecessary. We only n
On x86, there are two notifiers registered due to vtd-ir memory
region splitting the entire address space. During replay of the
address space for each notifier, the whole address space is
scanned which is unnecessary. We only need to scan the space
belong to notifier monitored space.
While on x86
