From: Juergen Gross <jgross@suse.com>
To: Roger Pau Monne <roger.pau@citrix.com>, linux-kernel@vger.kernel.org
Cc: Gabriel Ercarug <bercarug@amazon.com>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
xen-devel@lists.xenproject.org
Subject: Re: [PATCH] xen/balloon: fix balloon initialization for PVH Dom0
Date: Wed, 8 Aug 2018 13:51:15 +0200 [thread overview]
Message-ID: <44c992ed-f2bb-b4e9-d657-9f0b032ece5e@suse.com> (raw)
In-Reply-To: <20180808114641.20854-1-roger.pau@citrix.com>
On 08/08/18 13:46, Roger Pau Monne wrote:
> The current balloon code tries to calculate a delta factor for the
> balloon target when running in HVM mode in order to account for memory
> used by the firmware.
>
> This workaround for memory accounting doesn't work properly on a PVH
> Dom0, that has a static-max value different from the target value even
> at startup. Note that this is not a problem for DomUs because guests are
> started with a static-max value that matches the amount of RAM in the
> memory map.
>
> Fix this by forcefully setting target_diff for Dom0, regardless of
> it's mode.
>
> Reported-by: Gabriel Bercarug <bercarug@amazon.com>
> Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Juergen
next prev parent reply other threads:[~2018-08-08 11:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-08 11:46 Roger Pau Monne
2018-08-08 11:51 ` Juergen Gross [this message]
2018-08-08 17:01 ` Boris Ostrovsky
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