From: Haiwei Li <lihaiwei.kernel@gmail.com>
To: Vitaly Kuznetsov <vkuznets@redhat.com>,
kvm@vger.kernel.org, Paolo Bonzini <pbonzini@redhat.com>
Cc: Sean Christopherson <sean.j.christopherson@intel.com>,
Wanpeng Li <wanpengli@tencent.com>,
Jim Mattson <jmattson@google.com>,
Haiwei Li <lihaiwei@tencent.com>,
linux-kernel@vger.kernel.org, x86@kernel.org
Subject: Re: [PATCH] Revert "KVM: Check the allocation of pv cpu mask"
Date: Wed, 16 Sep 2020 17:29:59 +0800 [thread overview]
Message-ID: <6c2204ad-590b-025d-f728-0e6e67bf24ba@gmail.com> (raw)
In-Reply-To: <20200916090342.748452-1-vkuznets@redhat.com>
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@vitty.brq.redhat.com/
>
> 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@gmail.com/T/#m6c27184012ee5438e5d91c09b1ba1b6a3ee30ee4
What do you think?
Haiwei Li
next prev parent reply other threads:[~2020-09-16 9:30 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-16 9:03 Vitaly Kuznetsov
2020-09-16 9:29 ` Haiwei Li [this message]
2020-09-16 11:04 ` Vitaly Kuznetsov
2020-09-16 11:25 ` Haiwei Li
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