From: Avi Kivity <avi@redhat.com>
To: Glauber Costa <glommer@redhat.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
"H. Peter Anvin" <hpa@zytor.com>, Gleb Natapov <gleb@redhat.com>
Subject: Re: [PATCH 1/2] replace drop_interrupt_shadow by set_interrupt_shadow
Date: Tue, 12 May 2009 21:11:24 +0300 [thread overview]
Message-ID: <4A09BBCC.80801@redhat.com> (raw)
In-Reply-To: <1242141230-22514-2-git-send-email-glommer@redhat.com>
Glauber Costa wrote:
> This patch replaces drop_interrupt_shadow with the more
> general set_interrupt_shadow, that can either drop or raise
> it, depending on its parameter.
>
> }
>
> +static u32 svm_get_interrupt_shadow(struct kvm_vcpu *vcpu, int mask)
> +{
> + struct vcpu_svm *svm = to_svm(vcpu);
> + u32 ret = 0;
> +
> + if (svm->vmcb->control.int_state & SVM_INTERRUPT_SHADOW_MASK)
> + ret |= X86_SHADOW_INT_STI && X86_SHADOW_INT_MOV_SS;
> + return ret & mask;
> +}
>
&& -> |.
> +
> +static void vmx_set_interrupt_shadow(struct kvm_vcpu *vcpu, int mask)
> +{
> + u32 interruptibility_old = vmcs_read32(GUEST_INTERRUPTIBILITY_INFO);
> + u32 interruptibility = interruptibility_old;
> +
> + interruptibility &= ~((GUEST_INTR_STATE_STI | GUEST_INTR_STATE_MOV_SS));
>
May drop one layer of parentheses.
--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.
next prev parent reply other threads:[~2009-05-12 18:11 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-12 15:13 [PATCH 0/2] Deal with shadow interrupts after emulated instructions Glauber Costa
2009-05-12 15:13 ` [PATCH 1/2] replace drop_interrupt_shadow by set_interrupt_shadow Glauber Costa
2009-05-12 15:13 ` [PATCH 2/2] deal with interrupt shadow state for emulated instruction Glauber Costa
2009-05-12 18:14 ` Avi Kivity
2009-05-12 18:11 ` Avi Kivity [this message]
-- strict thread matches above, loose matches on Subject: below --
2009-05-12 20:21 [PATCH 0/2] Deal with shadow interrupts after emulated instructions Glauber Costa
2009-05-12 20:21 ` [PATCH 1/2] replace drop_interrupt_shadow by set_interrupt_shadow Glauber Costa
2009-05-08 20:23 [PATCH 0/2] Deal with shadow interrupts after emulated instructions Glauber Costa
2009-05-08 20:23 ` [PATCH 1/2] replace drop_interrupt_shadow by set_interrupt_shadow Glauber Costa
2009-05-10 13:07 ` Avi Kivity
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