linux-kernel - Re: [PATCH 11/12] KVM: extend kvm_range_has_memory_attributes() to check subset of attributes

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Message-ID: <20240717223218.nmgpx5u3asjdmqbj@amd.com>
Date: Wed, 17 Jul 2024 17:32:18 -0500
From: Michael Roth <michael.roth@....com>
To: Paolo Bonzini <pbonzini@...hat.com>
CC: <linux-kernel@...r.kernel.org>, <kvm@...r.kernel.org>, <seanjc@...gle.com>
Subject: Re: [PATCH 11/12] KVM: extend kvm_range_has_memory_attributes() to
 check subset of attributes

On Thu, Jul 11, 2024 at 06:27:54PM -0400, Paolo Bonzini wrote:
> While currently there is no other attribute than KVM_MEMORY_ATTRIBUTE_PRIVATE,
> KVM code such as kvm_mem_is_private() is written to expect their existence.
> Allow using kvm_range_has_memory_attributes() as a multi-page version of
> kvm_mem_is_private(), without it breaking later when more attributes are
> introduced.
> 
> Signed-off-by: Paolo Bonzini <pbonzini@...hat.com>

Reviewed-by: Michael Roth <michael.roth@....com>