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Re: [PATCH for-4.15] x86/boot: Drop 'noapic' suggestion from check_timer()

To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
From: Jan Beulich <jbeulich@xxxxxxxx>
Date: Thu, 28 Jan 2021 11:16:20 +0100
Cc: Roger Pau Monné <roger.pau@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Ian Jackson <iwj@xxxxxxxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
Delivery-date: Thu, 28 Jan 2021 10:16:25 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 27.01.2021 20:49, Andrew Cooper wrote:
> In practice, there is no such thing as a real 64bit system without
> APICs.  (PVH style virtual environments, sure, but they don't end up here).
> 
> The suggestion to try and use noapic only makes a bad situation worse.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Acked-by: Jan Beulich <jbeulich@xxxxxxxx>

Follow-Ups:
- Re: [PATCH for-4.15] x86/boot: Drop 'noapic' suggestion from check_timer()
  - From: Ian Jackson

References:
- [PATCH for-4.15] x86/boot: Drop 'noapic' suggestion from check_timer()
  - From: Andrew Cooper

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