From: Paolo Bonzini <pbonzini@redhat.com>
To: Jim Mattson <jmattson@google.com>
Cc: Mohammed Gamal <mgamal@redhat.com>,
joro@8bytes.org, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org, sean.j.christopherson@intel.com,
vkuznets@redhat.com, wanpengli@tencent.com
Subject: Re: [PATCH] KVM: x86: VMX: Make smaller physical guest address space support user-configurable
Date: Wed, 23 Sep 2020 17:19:46 +0200 [thread overview]
Message-ID: <79277092-a5b8-ebb0-8a9f-e41d094ed05b@redhat.com> (raw)
In-Reply-To: <CALMp9eTHbhwfdq4Be=XcUG9z82KK8AapQeVmsdH=mGdQ_Yt2ug@mail.gmail.com>
On 23/09/20 16:32, Jim Mattson wrote:
> You don’t buy my argument that this should be per-VM, then? I’d bet that
> we have very close to 0 customers who care about emulating the reserved
> bits properly for 46-but wide VMs, but there may be someone out there
> using shadow paging in a nested kvm.
>
I do buy it but I prefer not to have a released version of Linux where
this is enabled by default. I procrastinated hoping to cobble something
together but I didn't have time.
Paolo
next prev parent reply other threads:[~2020-09-23 15:19 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-03 14:11 Mohammed Gamal
2020-09-03 17:57 ` Jim Mattson
2020-09-03 18:03 ` Paolo Bonzini
2020-09-03 18:32 ` Jim Mattson
2020-09-03 20:02 ` Paolo Bonzini
2020-09-03 21:26 ` Jim Mattson
2020-09-23 13:45 ` Paolo Bonzini
[not found] ` <CALMp9eTHbhwfdq4Be=XcUG9z82KK8AapQeVmsdH=mGdQ_Yt2ug@mail.gmail.com>
2020-09-23 15:19 ` Paolo Bonzini [this message]
2020-09-28 15:34 ` Qian Cai
2020-09-29 11:59 ` Qian Cai
2020-09-29 12:26 ` Paolo Bonzini
2020-09-29 13:39 ` Qian Cai
2020-09-29 14:47 ` Paolo Bonzini
2020-10-02 17:28 ` Naresh Kamboju
2020-10-02 17:30 ` Paolo Bonzini
2021-01-16 0:08 ` Jim Mattson
2021-01-18 10:18 ` Mohammed Gamal
2021-06-21 18:01 ` Jim Mattson
2021-06-22 12:59 ` Mohammed Gamal
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