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From: "Roger Pau Monné" <roger.pau@citrix.com>
To: Alejandro Vallejo <alejandro.vallejo@cloud.com>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>,
	Xen-devel <xen-devel@lists.xenproject.org>,
	Jan Beulich <jbeulich@suse.com>
Subject: Re: [PATCH v3 2/6] xen/x86: Add initial x2APIC ID to the per-vLAPIC save area
Date: Thu, 30 May 2024 17:47:58 +0200	[thread overview]
Message-ID: <Zlifrqp5NfKu8xTw@macbook> (raw)
In-Reply-To: <e6b9fc65-365b-4a38-8181-a76d576939e4@cloud.com>

On Thu, May 30, 2024 at 02:48:10PM +0100, Alejandro Vallejo wrote:
> I'll try to do that soon-ish. I suspect the pain points are going to be
> making it work nicely as well on 1vCPU systems with no APIC (are
> those expected to work?).

We do not allow creation of PVH/HVM domains without an emulated local
APIC, and I don't think we ever want to allow doing so (see
emulation_flags_ok()).

Thanks, Roger.


  reply	other threads:[~2024-05-30 15:48 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-29 14:32 [PATCH v3 0/6] x86: Expose consistent topology to guests Alejandro Vallejo
2024-05-29 14:32 ` [PATCH v3 1/6] x86/vlapic: Move lapic migration checks to the check hooks Alejandro Vallejo
2024-05-30 10:07   ` Roger Pau Monné
2024-05-29 14:32 ` [PATCH v3 2/6] xen/x86: Add initial x2APIC ID to the per-vLAPIC save area Alejandro Vallejo
2024-05-30 10:14   ` Roger Pau Monné
2024-05-30 11:08   ` Andrew Cooper
2024-05-30 13:48     ` Alejandro Vallejo
2024-05-30 15:47       ` Roger Pau Monné [this message]
2024-05-31 10:31     ` Roger Pau Monné
2024-05-29 14:32 ` [PATCH v3 3/6] tools/hvmloader: Retrieve (x2)APIC IDs from the APs themselves Alejandro Vallejo
2024-05-29 16:16   ` Alejandro Vallejo
2024-05-29 16:42     ` Alejandro Vallejo
2024-05-29 14:32 ` [PATCH v3 4/6] xen/lib: Add topology generator for x86 Alejandro Vallejo
2024-05-29 14:32 ` [PATCH v3 5/6] xen/x86: Derive topologically correct x2APIC IDs from the policy Alejandro Vallejo
2024-05-29 14:32 ` [PATCH v3 6/6] xen/x86: Synthesise domain topologies Alejandro Vallejo

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