From: Sean Christopherson <seanjc@google.com>
To: Chao Gao <chao.gao@intel.com>
Cc: Maxim Levitsky <mlevitsk@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Zeng Guang <guang.zeng@intel.com>,
Vitaly Kuznetsov <vkuznets@redhat.com>,
Wanpeng Li <wanpengli@tencent.com>,
Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
Dave Hansen <dave.hansen@linux.intel.com>,
"Luck, Tony" <tony.luck@intel.com>,
Kan Liang <kan.liang@linux.intel.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Kim Phillips <kim.phillips@amd.com>,
Jarkko Sakkinen <jarkko@kernel.org>,
Jethro Beekman <jethro@fortanix.com>,
"Huang, Kai" <kai.huang@intel.com>,
"x86@kernel.org" <x86@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"Hu, Robert" <robert.hu@intel.com>
Subject: Re: [PATCH v9 0/9] IPI virtualization support for VM
Date: Thu, 19 May 2022 23:41:22 +0000 [thread overview]
Message-ID: <YobVotf9CJ6dk9zw@google.com> (raw)
In-Reply-To: <20220519092906.GA3234@gao-cwp>
On Thu, May 19, 2022, Chao Gao wrote:
> On Tue, May 17, 2022 at 10:02:23PM +0800, Chao Gao wrote:
> >+ Maxim
> >
> >On Tue, May 17, 2022 at 09:53:26PM +0800, Chao Gao wrote:
> >>On Mon, May 16, 2022 at 08:49:52PM +0000, Sean Christopherson wrote:
> >>>Shouldn't we have a solution for the read-only APIC_ID mess before this is merged?
>
> Paolo & Sean,
>
> If a solution for read-only APIC ID mess is needed before merging IPIv
> series, do you think the Maxim's patch [1] after some improvement will
> suffice? Let us know if there is any gap.
Yep, inhibiting APICv if APIC ID is changed should do the trick, and it's nice and
simple. I can't think of any gaps.
> [1]: https://lore.kernel.org/all/20220427200314.276673-3-mlevitsk@redhat.com/
prev parent reply other threads:[~2022-05-19 23:41 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-19 15:31 [PATCH v9 0/9] IPI virtualization support for VM Zeng Guang
2022-04-26 15:30 ` Zeng Guang
2022-05-02 16:18 ` Paolo Bonzini
[not found] ` <cf178428-8c98-e7b3-4317-8282938976fd@intel.com>
2022-05-03 9:39 ` Paolo Bonzini
2022-05-16 20:49 ` Sean Christopherson
2022-05-17 13:53 ` Chao Gao
2022-05-17 14:02 ` Chao Gao
2022-05-19 9:29 ` Chao Gao
2022-05-19 23:41 ` Sean Christopherson [this message]
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