From: Paolo Bonzini <pbonzini@redhat.com>
To: Vitaly Kuznetsov <vkuznets@redhat.com>,
Xiaoyao Li <xiaoyao.li@intel.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
"Radim Krčmář" <rkrcmar@redhat.com>,
"Sean Christopherson" <sean.j.christopherson@intel.com>,
"Jim Mattson" <jmattson@google.com>
Subject: Re: [PATCH] KVM: X86: Make fpu allocation a common function
Date: Tue, 15 Oct 2019 11:28:38 +0200 [thread overview]
Message-ID: <d14d22e2-d74c-ed73-b5bb-3ed5eb087deb@redhat.com> (raw)
In-Reply-To: <87y2xn462e.fsf@vitty.brq.redhat.com>
On 14/10/19 18:58, Vitaly Kuznetsov wrote:
> Xiaoyao Li <xiaoyao.li@intel.com> writes:
>
>> They are duplicated codes to create vcpu.arch.{user,guest}_fpu in VMX
>> and SVM. Make them common functions.
>>
>> No functional change intended.
> Would it rather make sense to move this code to
> kvm_arch_vcpu_create()/kvm_arch_vcpu_destroy() instead?
>
user_fpu could be made percpu too... That would save a bit of memory
for each vCPU. I'm holding on Xiaoyao's patch because a lot of the code
he's touching would go away then.
Paolo
next prev parent reply other threads:[~2019-10-15 9:28 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-14 16:22 [PATCH] KVM: X86: Make fpu allocation a common function Xiaoyao Li
2019-10-14 16:58 ` Vitaly Kuznetsov
2019-10-14 18:37 ` Sean Christopherson
2019-10-15 0:48 ` Xiaoyao Li
2019-10-15 10:53 ` Vitaly Kuznetsov
2019-10-15 14:27 ` Paolo Bonzini
2019-10-15 14:36 ` Vitaly Kuznetsov
2019-10-15 16:14 ` Sean Christopherson
2019-10-15 16:36 ` Paolo Bonzini
2019-10-15 9:28 ` Paolo Bonzini [this message]
2019-10-16 1:52 ` Xiaoyao Li
2019-10-16 7:35 ` Paolo Bonzini
2019-10-16 7:48 ` Xiaoyao Li
2019-10-16 9:41 ` Paolo Bonzini
2019-10-17 16:05 ` Sean Christopherson
2019-10-21 13:09 ` Paolo Bonzini
2019-10-22 0:57 ` Xiaoyao Li
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