linux-kernel - Re: [PATCH 01/34] KVM: Tweak kvm_hva_range and hva_handler

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Message-ID: <53be446a44f2755325c44d38f987a9ea4207ac62.camel@intel.com>
Date:   Mon, 6 Nov 2023 09:28:19 +0000
From:   "Huang, Kai" <kai.huang@...el.com>
To:     "viro@...iv.linux.org.uk" <viro@...iv.linux.org.uk>,
        "Christopherson,, Sean" <seanjc@...gle.com>,
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CC:     "Li, Xiaoyao" <xiaoyao.li@...el.com>,
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        "Wang, Wei W" <wei.w.wang@...el.com>
Subject: Re: [PATCH 01/34] KVM: Tweak kvm_hva_range and hva_handler_t to allow
 reusing for gfn ranges

On Sun, 2023-11-05 at 17:30 +0100, Paolo Bonzini wrote:
> From: Sean Christopherson <seanjc@...gle.com>
> 
> Rework and rename "struct kvm_hva_range" into "kvm_mmu_notifier_range" so
> that the structure can be used to handle notifications that operate on gfn
> context, i.e. that aren't tied to a host virtual address.  Rename the
> handler typedef too (arguably it should always have been gfn_handler_t).
> 
> Practically speaking, this is a nop for 64-bit kernels as the only
> meaningful change is to store start+end as u64s instead of unsigned longs.
> 
> Reviewed-by: Paolo Bonzini <pbonzini@...hat.com>
> Reviewed-by: Xiaoyao Li <xiaoyao.li@...el.com>
> Signed-off-by: Sean Christopherson <seanjc@...gle.com>
> Reviewed-by: Fuad Tabba <tabba@...gle.com>
> Tested-by: Fuad Tabba <tabba@...gle.com>
> Message-Id: <20231027182217.3615211-2-seanjc@...gle.com>
> Signed-off-by: Paolo Bonzini <pbonzini@...hat.com>
> 

Reviewed-by: Kai Huang <kai.huang@...el.com>