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Re: [PATCH 3/3] x86/tsx: Deprecate vpmu=rtm-abort and use tsx=<bool> instead

To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
From: Jan Beulich <jbeulich@xxxxxxxx>
Date: Thu, 27 May 2021 17:11:18 +0200
Cc: Roger Pau Monné <roger.pau@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
Delivery-date: Thu, 27 May 2021 15:11:30 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 27.05.2021 15:25, Andrew Cooper wrote:
> This reuses the rtm_disable infrastructure, so CPUID derivation works properly
> when TSX is disabled in favour of working PCR3.
> 
> vpmu= is not a supported feature, and having this functionality under tsx=
> centralises all TSX handling.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Acked-by: Jan Beulich <jbeulich@xxxxxxxx>

References:
- [PATCH 0/3] x86: Fixes to TSX handling
  - From: Andrew Cooper
- [PATCH 3/3] x86/tsx: Deprecate vpmu=rtm-abort and use tsx=<bool> instead
  - From: Andrew Cooper

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