From: Gerd Hoffmann <kraxel@redhat.com>
To: Peter Xu <peterx@redhat.com>
Cc: Vitaly Kuznetsov <vkuznets@redhat.com>,
kvm@vger.kernel.org, Paolo Bonzini <pbonzini@redhat.com>,
Sean Christopherson <sean.j.christopherson@intel.com>,
Wanpeng Li <wanpengli@tencent.com>,
Jim Mattson <jmattson@google.com>,
Michael Tsirkin <mst@redhat.com>,
Julia Suvorova <jsuvorov@redhat.com>,
Andy Lutomirski <luto@kernel.org>,
Andrew Jones <drjones@redhat.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 0/3] KVM: x86: KVM_MEM_PCI_HOLE memory
Date: Fri, 4 Sep 2020 09:20:56 +0200 [thread overview]
Message-ID: <20200904072056.qy3yse7jarwgunu7@sirius.home.kraxel.org> (raw)
In-Reply-To: <20200825212526.GC8235@xz-x1>
Hi,
> attached. Though those should be far less than 8000+, and those should also be
> pio rather than mmio.
Well, seabios 1.14 (qemu 5.1) added mmio support (to speed up boot a
little bit, mmio is one and pio is two vmexits).
Depends on q35 obviously, and a few pio accesses remain b/c seabios has
to first setup mmconfig.
take care,
Gerd
prev parent reply other threads:[~2020-09-04 7:21 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-07 14:12 [PATCH v2 0/3] KVM: x86: KVM_MEM_PCI_HOLE memory Vitaly Kuznetsov
2020-08-07 14:12 ` [PATCH v2 1/3] KVM: x86: move kvm_vcpu_gfn_to_memslot() out of try_async_pf() Vitaly Kuznetsov
2020-08-14 1:40 ` Sean Christopherson
2020-09-01 14:15 ` Vitaly Kuznetsov
2020-09-04 3:47 ` Sean Christopherson
2020-08-07 14:12 ` [PATCH v2 2/3] KVM: x86: introduce KVM_MEM_PCI_HOLE memory Vitaly Kuznetsov
2020-08-14 2:31 ` Sean Christopherson
2020-08-14 14:30 ` Michael S. Tsirkin
2020-08-17 16:32 ` Sean Christopherson
2020-08-21 1:46 ` Michael S. Tsirkin
2020-08-22 3:19 ` Sean Christopherson
2020-09-01 14:39 ` Vitaly Kuznetsov
2020-09-03 9:35 ` Michael S. Tsirkin
2020-08-07 14:12 ` [PATCH v2 3/3] KVM: selftests: add KVM_MEM_PCI_HOLE test Vitaly Kuznetsov
2020-08-25 21:25 ` [PATCH v2 0/3] KVM: x86: KVM_MEM_PCI_HOLE memory Peter Xu
2020-09-01 14:43 ` Vitaly Kuznetsov
2020-09-01 20:00 ` Peter Xu
2020-09-02 8:59 ` Vitaly Kuznetsov
2020-09-04 6:12 ` Sean Christopherson
2020-09-04 7:29 ` Gerd Hoffmann
2020-09-04 16:00 ` Sean Christopherson
2020-09-07 8:37 ` Vitaly Kuznetsov
2020-09-07 11:32 ` Michael S. Tsirkin
2020-09-11 17:00 ` Sean Christopherson
2020-09-18 12:34 ` Michael S. Tsirkin
2020-09-21 17:21 ` Sean Christopherson
2020-09-07 10:52 ` Michael S. Tsirkin
2020-09-18 9:33 ` Gerd Hoffmann
2020-09-07 10:54 ` Michael S. Tsirkin
2020-09-18 8:49 ` Gerd Hoffmann
2020-09-04 7:20 ` Gerd Hoffmann [this message]
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