linux-kernel - Re: [PATCH] xen: Remove support for PV ACPI cpu/memory hotplug

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Date:   Fri, 23 Apr 2021 10:05:34 +0200
From:   Juergen Gross <jgross@...e.com>
To:     Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        xen-devel@...ts.xenproject.org
Cc:     sstabellini@...nel.org, rafael@...nel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] xen: Remove support for PV ACPI cpu/memory hotplug

On 13.04.21 19:52, Boris Ostrovsky wrote:
> Commit 76fc253723ad ("xen/acpi-stub: Disable it b/c the acpi_processor_add
> is no longer called.") declared as BROKEN support for Xen ACPI stub (which
> is required for xen-acpi-{cpu|memory}-hotplug) and suggested that this
> is temporary and will be soon fixed. This was in March 2013.
> 
> Further, commit cfafae940381 ("xen: rename dom0_op to platform_op")
> renamed an interface used by memory hotplug code without updating that
> code (as it was BROKEN and therefore not compiled). This was
> in November 2015 and has gone unnoticed for over 5 year.
> 
> It is now clear that this code is of no interest to anyone and therefore
> should be removed.
> 
> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@...cle.com>

Pushed to xen/tip.git for-linus-5.13


Juergen


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