Re: [PATCH] Revert "KVM: Check the allocation of pv cpu mask"

[Haiwei Li]

On 20/9/16 17:03, Vitaly Kuznetsov wrote:
> The commit 0f990222108d ("KVM: Check the allocation of pv cpu mask") we
> have in 5.9-rc5 has two issue:
> 1) Compilation fails for !CONFIG_SMP, see:
>     https://bugzilla.kernel.org/show_bug.cgi?id=209285
>
> 2) This commit completely disables PV TLB flush, see
>     https://lore.kernel.org/kvm/87y2lrnnyf.fsf@xxxxxxxxxxxxxxxxxxxx/
>
> The allocation problem is likely a theoretical one, if we don't
> have memory that early in boot process we're likely doomed anyway.
> Let's solve it properly later.

Hi, i have sent a patchset to fix this commit.

https://lore.kernel.org/kvm/20200914091148.95654-1-lihaiwei.kernel@xxxxxxxxx/T/#m6c27184012ee5438e5d91c09b1ba1b6a3ee30ee4

What do you think?

Haiwei Li