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Subject: Re: [PATCH] xen: Remove support for PV ACPI cpu/memory hotplug
To:     Boris Ostrovsky <boris.ostrovsky@oracle.com>,
        xen-devel@lists.xenproject.org
Cc:     sstabellini@kernel.org, rafael@kernel.org,
        linux-kernel@vger.kernel.org
References: <1618336344-3162-1-git-send-email-boris.ostrovsky@oracle.com>
From:   Juergen Gross <jgross@suse.com>
Message-ID: <bc87249e-9ca7-8746-0acb-c74290a49910@suse.com>
Date:   Fri, 23 Apr 2021 10:05:34 +0200
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From: Juergen Gross <jgross@suse.com>
To: Boris Ostrovsky <boris.ostrovsky@oracle.com>,
 xen-devel@lists.xenproject.org
Cc: sstabellini@kernel.org, rafael@kernel.org, linux-kernel@vger.kernel.org
Message-ID: <bc87249e-9ca7-8746-0acb-c74290a49910@suse.com>
Subject: Re: [PATCH] xen: Remove support for PV ACPI cpu/memory hotplug
References: <1618336344-3162-1-git-send-email-boris.ostrovsky@oracle.com>
In-Reply-To: <1618336344-3162-1-git-send-email-boris.ostrovsky@oracle.com>

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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 (wh=
ich
> is required for xen-acpi-{cpu|memory}-hotplug) and suggested that this
> is temporary and will be soon fixed. This was in March 2013.
>=20
> 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.
>=20
> It is now clear that this code is of no interest to anyone and therefor=
e
> should be removed.
>=20
> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>

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


Juergen


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