From: julien.grall@arm.com (Julien Grall)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] xen/arm: register clocks used by the hypervisor
Date: Thu, 30 Jun 2016 10:19:34 +0100 [thread overview]
Message-ID: <5774E426.3030600@arm.com> (raw)
In-Reply-To: <143393c4-739a-6e29-cbfa-128fdfcb1ed0@de.bosch.com>
Hi Dirk,
On 29/06/16 16:49, Dirk Behme wrote:
> On 22.06.2016 17:26, Julien Grall wrote:
>> On 21/06/16 11:16, Dirk Behme wrote:
>> Would it be possible to use the flags CLK_IGNORE_UNUSED instead? So the
>> clock will be ignored by clk_disable_unused_subtree.
>
>
> Yes, using CLK_IGNORE_UNUSED is an option. But ;)
>
> But we can't set it directly in enlighten.c as we can't access the flags
> part of the clock structs from outside the core clock code.
Maybe we can introduce a new function in the kernel to set the flags?
Anyway, I am not very familiar with the clock subsystem. So, as
suggested by Mark, I would recommend you to start a discussion with with
the clock maintainers to see what would be the best way to avoid DOM0 to
disable any clock used by Xen or a guest.
Regards,
--
Julien Grall
next prev parent reply other threads:[~2016-06-30 9:19 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-21 10:16 [PATCH] xen/arm: register clocks used by the hypervisor Dirk Behme
2016-06-21 10:16 ` Dirk Behme
2016-06-21 10:22 ` Dirk Behme
2016-06-21 10:22 ` Dirk Behme
2016-06-22 15:26 ` Julien Grall
2016-06-22 15:46 ` Mark Rutland
2016-06-22 15:46 ` Mark Rutland
2016-06-29 15:49 ` Dirk Behme
2016-06-29 15:49 ` Dirk Behme
2016-06-30 9:19 ` Julien Grall [this message]
2016-06-30 9:19 ` Julien Grall
2016-06-22 15:26 ` Julien Grall
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