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From: Siddharth Chandrasekaran <sidcha@amazon.de>
To: Vitaly Kuznetsov <vkuznets@redhat.com>
Cc: <kvm@vger.kernel.org>, Paolo Bonzini <pbonzini@redhat.com>,
	Sean Christopherson <seanjc@google.com>,
	Wanpeng Li <wanpengli@tencent.com>,
	Jim Mattson <jmattson@google.com>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/4] KVM: x86: hyper-v: Check access to hypercall before reading XMM registers
Date: Fri, 30 Jul 2021 16:29:34 +0200	[thread overview]
Message-ID: <20210730142933.GA20232@u366d62d47e3651.ant.amazon.com> (raw)
In-Reply-To: <20210730122625.112848-2-vkuznets@redhat.com>

On Fri, Jul 30, 2021 at 02:26:22PM +0200, Vitaly Kuznetsov wrote:
> In case guest doesn't have access to the particular hypercall we can avoid
> reading XMM registers.
> 
> Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>

Reviewed-by: Siddharth Chandrasekaran <sidcha@amazon.de>



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  reply	other threads:[~2021-07-30 14:29 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-30 12:26 [PATCH 0/4] KVM: x86: hyper-v: Check if guest is allowed to use XMM registers for hypercall input Vitaly Kuznetsov
2021-07-30 12:26 ` [PATCH 1/4] KVM: x86: hyper-v: Check access to hypercall before reading XMM registers Vitaly Kuznetsov
2021-07-30 14:29   ` Siddharth Chandrasekaran [this message]
2021-07-30 12:26 ` [PATCH 2/4] KVM: x86: Introduce trace_kvm_hv_hypercall_done() Vitaly Kuznetsov
2021-07-30 14:30   ` Siddharth Chandrasekaran
2021-07-30 12:26 ` [PATCH 3/4] KVM: x86: hyper-v: Check if guest is allowed to use XMM registers for hypercall input Vitaly Kuznetsov
2021-07-30 14:30   ` Siddharth Chandrasekaran
2021-07-30 12:26 ` [PATCH 4/4] KVM: selftests: Test access to XMM fast hypercalls Vitaly Kuznetsov
2021-07-30 14:35   ` Siddharth Chandrasekaran
2021-07-30 14:50     ` Vitaly Kuznetsov
2021-07-30 15:01       ` Siddharth Chandrasekaran
2021-08-03 10:10       ` Paolo Bonzini
2021-08-03 10:10 ` [PATCH 0/4] KVM: x86: hyper-v: Check if guest is allowed to use XMM registers for hypercall input Paolo Bonzini
2021-08-03 10:17 ` Paolo Bonzini

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