From: Paolo Bonzini <pbonzini@redhat.com>
To: kvm@vger.kernel.org, x86@kernel.org,
linux-kernel@vger.kernel.org, rkrcmar@redhat.com,
Xiao Guangrong <xiaoguangrong.eric@gmail.com>,
Dan Williams <dan.j.williams@intel.com>,
ivan.d.cuevas.escareno@intel.com, karthik.kumar@intel.com,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Olif Chapman <olif.chapman@oracle.com>,
Mikulas Patocka <mpatocka@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
Borislav Petkov <bp@suse.de>,
Tom Lendacky <thomas.lendacky@amd.com>
Subject: Re: [PATCH v5 1/2] x86/mm: add a function to check if a pfn is UC/UC-
Date: Tue, 19 Dec 2017 11:42:20 +0100 [thread overview]
Message-ID: <6541e56d-a5d8-641e-99e8-cbc7bce6da3a@redhat.com> (raw)
In-Reply-To: <20171219024053.b5ckuwevnm2ydzef@hz-desktop>
On 19/12/2017 03:40, Haozhong Zhang wrote:
>> As discussed in the reply to v2, this should include WC too. The
>> function name could become something like pat_pfn_downgraded_by_uc_mtrr.
>
> Or shall we just expose lookup_memtype(), and keep all other logic in
> KVM? The function name still looks strange somehow, and the check of
> memory type makes more sense and would be easier to understand in the
> context of KVM.
I agree that it's a bit strange, but I don't want to go against the
suggestions of the x86 maintainer.
Paolo
next prev parent reply other threads:[~2017-12-19 10:42 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-08 7:56 [PATCH v5 0/2] KVM: MMU: fix kvm_is_mmio_pfn() Haozhong Zhang
2017-11-08 7:56 ` [PATCH v5 1/2] x86/mm: add a function to check if a pfn is UC/UC- Haozhong Zhang
2017-11-15 10:44 ` David Hildenbrand
2017-11-16 7:08 ` Haozhong Zhang
2017-11-15 15:17 ` Dan Williams
2017-11-16 6:13 ` Haozhong Zhang
2017-12-18 12:55 ` Paolo Bonzini
2017-12-19 2:40 ` Haozhong Zhang
2017-12-19 10:42 ` Paolo Bonzini [this message]
2017-11-08 7:56 ` [PATCH v5 2/2] KVM: MMU: consider host cache mode in MMIO page check Haozhong Zhang
2017-12-15 9:14 ` Paolo Bonzini
2017-11-08 9:19 ` [PATCH v5 0/2] KVM: MMU: fix kvm_is_mmio_pfn() Xiao Guangrong
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