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Re: [PATCH v4 5/6] x86/paravirt: remove set_pte_at pv-op

To: Juergen Gross <jgross@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, x86@xxxxxxxxxx, virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
From: boris.ostrovsky@xxxxxxxxxx
Date: Sun, 16 Aug 2020 14:44:49 -0400
Cc: Deep Shah <sdeep@xxxxxxxxxx>, "VMware, Inc." <pv-drivers@xxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Steven Rostedt <rostedt@xxxxxxxxxxx>
Delivery-date: Sun, 16 Aug 2020 18:47:36 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 8/15/20 6:06 AM, Juergen Gross wrote:
> On x86 set_pte_at() is now always falling back to set_pte(). So instead
> of having this fallback after the paravirt maze just drop the
> set_pte_at paravirt operation and let set_pte_at() use the set_pte()
> function directly.
>
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>


Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>

References:
- [PATCH v4 0/6] x86/paravirt: cleanup after 32-bit PV removal
  - From: Juergen Gross
- [PATCH v4 5/6] x86/paravirt: remove set_pte_at pv-op
  - From: Juergen Gross

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