Re: [PATCH v4] arm/kvm: Enable support for KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE

[Peter Maydell]

On Tue, 5 Sept 2023 at 10:13, Shameer Kolothum
<shameerali.kolothum.thodi@huawei.com> wrote:
>
> Now that we have Eager Page Split support added for ARM in the kernel,
> enable it in Qemu. This adds,
>  -eager-split-size to -accel sub-options to set the eager page split chunk 
> size.
>  -enable KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE.
>
> The chunk size specifies how many pages to break at a time, using a
> single allocation. Bigger the chunk size, more pages need to be
> allocated ahead of time.
>
> Reviewed-by: Gavin Shan <gshan@redhat.com>
> Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
> ---
> Changes:
> v3: 
> https://lore.kernel.org/qemu-devel/20230830114818.641-1-shameerali.kolothum.thodi@huawei.com/
>    -Added R-by by Gavin and replaced kvm_arm_eager_split_size_valid()
>     with a direct check.
> v2: 
> https://lore.kernel.org/qemu-devel/20230815092709.1290-1-shameerali.kolothum.thodi@huawei.com/
>    -Addressed commenst from Gavin.
> RFC v1: 
> https://lore.kernel.org/qemu-devel/20230725150002.621-1-shameerali.kolothum.thodi@huawei.com/
>   -Updated qemu-options.hx with description
>   -Addressed review comments from Peter and Gavin(Thanks).



Applied to target-arm.next, thanks.

-- PMM