From: Maxim Levitsky <mlevitsk@redhat.com>
To: Paolo Bonzini <pbonzini@redhat.com>,
linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Cc: fwilhelm@google.com, seanjc@google.com, oupton@google.com,
stable@vger.kernel.org
Subject: Re: [PATCH 7/8] KVM: SEV-ES: keep INS functions together
Date: Fri, 22 Oct 2021 02:14:49 +0300 [thread overview]
Message-ID: <33411fb1d0a98057249ae27a86909b03be21c8e2.camel@redhat.com> (raw)
In-Reply-To: <20211013165616.19846-8-pbonzini@redhat.com>
On Wed, 2021-10-13 at 12:56 -0400, Paolo Bonzini wrote:
> Make the diff a little nicer when we actually get to fixing
> the bug. No functional change intended.
>
> Cc: stable@vger.kernel.org
> Fixes: 7ed9abfe8e9f ("KVM: SVM: Support string IO operations for an SEV-ES guest")
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
> arch/x86/kvm/x86.c | 18 +++++++++---------
> 1 file changed, 9 insertions(+), 9 deletions(-)
>
> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> index ef4d6a0de4d8..a485e185ad00 100644
> --- a/arch/x86/kvm/x86.c
> +++ b/arch/x86/kvm/x86.c
> @@ -12377,15 +12377,6 @@ int kvm_sev_es_mmio_read(struct kvm_vcpu *vcpu, gpa_t gpa, unsigned int bytes,
> }
> EXPORT_SYMBOL_GPL(kvm_sev_es_mmio_read);
>
> -static int complete_sev_es_emulated_ins(struct kvm_vcpu *vcpu)
> -{
> - memcpy(vcpu->arch.sev_pio_data, vcpu->arch.pio_data,
> - vcpu->arch.pio.count * vcpu->arch.pio.size);
> - vcpu->arch.pio.count = 0;
> -
> - return 1;
> -}
> -
> static int kvm_sev_es_outs(struct kvm_vcpu *vcpu, unsigned int size,
> unsigned int port, unsigned int count)
> {
> @@ -12401,6 +12392,15 @@ static int kvm_sev_es_outs(struct kvm_vcpu *vcpu, unsigned int size,
> return 0;
> }
>
> +static int complete_sev_es_emulated_ins(struct kvm_vcpu *vcpu)
> +{
> + memcpy(vcpu->arch.sev_pio_data, vcpu->arch.pio_data,
> + vcpu->arch.pio.count * vcpu->arch.pio.size);
> + vcpu->arch.pio.count = 0;
> +
> + return 1;
> +}
> +
> static int kvm_sev_es_ins(struct kvm_vcpu *vcpu, unsigned int size,
> unsigned int port, unsigned int count)
> {
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Best regards,
Maxim Levitsky
next prev parent reply other threads:[~2021-10-21 23:15 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-13 16:56 [PATCH 0/8] KVM: SEV-ES: fixes for string I/O emulation Paolo Bonzini
2021-10-13 16:56 ` [PATCH 1/8] KVM: SEV-ES: fix length of string I/O Paolo Bonzini
2021-10-14 20:13 ` Tom Lendacky
2021-10-21 23:10 ` Maxim Levitsky
2021-10-25 1:31 ` Marc Orr
2021-10-25 8:59 ` Paolo Bonzini
2021-10-13 16:56 ` [PATCH 2/8] KVM: SEV-ES: rename guest_ins_data to sev_pio_data Paolo Bonzini
2021-10-21 23:12 ` Maxim Levitsky
2021-10-13 16:56 ` [PATCH 3/8] KVM: x86: leave vcpu->arch.pio.count alone in emulator_pio_in_out Paolo Bonzini
2021-10-21 23:12 ` Maxim Levitsky
2021-10-13 16:56 ` [PATCH 4/8] KVM: SEV-ES: clean up kvm_sev_es_ins/outs Paolo Bonzini
2021-10-21 23:14 ` Maxim Levitsky
2021-10-22 16:31 ` Paolo Bonzini
2021-10-13 16:56 ` [PATCH 5/8] KVM: x86: split the two parts of emulator_pio_in Paolo Bonzini
2021-10-21 23:14 ` Maxim Levitsky
2021-10-13 16:56 ` [PATCH 6/8] KVM: x86: remove unnecessary arguments from complete_emulator_pio_in Paolo Bonzini
2021-10-21 23:14 ` Maxim Levitsky
2021-10-13 16:56 ` [PATCH 7/8] KVM: SEV-ES: keep INS functions together Paolo Bonzini
2021-10-21 23:14 ` Maxim Levitsky [this message]
2021-10-13 16:56 ` [PATCH 8/8] KVM: SEV-ES: go over the sev_pio_data buffer in multiple passes if needed Paolo Bonzini
2021-10-21 23:15 ` Maxim Levitsky
2021-10-21 17:47 ` [PATCH 0/8] KVM: SEV-ES: fixes for string I/O emulation Paolo Bonzini
2021-10-21 20:04 ` Sean Christopherson
2021-10-21 23:49 ` Sean Christopherson
2021-10-22 13:33 ` Paolo Bonzini
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