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From: David Hildenbrand <david@redhat.com>
To: Paolo Bonzini <pbonzini@redhat.com>, Quan Xu <quan.xu0@gmail.com>,
	kvm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, rkrcmar@redhat.com, jmattson@google.com
Subject: Re: [PATCH v2] KVM: VMX: drop I/O permission bitmaps
Date: Tue, 12 Dec 2017 17:10:25 +0100	[thread overview]
Message-ID: <047e9125-ca0a-ae0f-f71c-05255c556d32@redhat.com> (raw)
In-Reply-To: <73c19457-52ec-3807-940a-4a38defd6849@redhat.com>


>  	/*
> -	 * Merging of IO bitmap not currently supported.
> -	 * Rather, exit every time.
> +	 * A vmexit (to either L1 hypervisor or L0 userspace) is always needed
> +	 * for I/O port accesses.
>  	 */
>  	exec_control &= ~CPU_BASED_USE_IO_BITMAPS;
>  	exec_control |= CPU_BASED_UNCOND_IO_EXITING;
> 
> Thanks,
> 
> Paolo
> 

Reviewed-by: David Hildenbrand <david@redhat.com>

-- 

Thanks,

David / dhildenb

      reply	other threads:[~2017-12-12 16:10 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-12  8:44 Quan Xu
2017-12-12 16:02 ` Paolo Bonzini
2017-12-12 16:10   ` David Hildenbrand [this message]

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