From: Julien Grall <julien.grall@arm.com>
To: Stefano Stabellini <sstabellini@kernel.org>
Cc: Andre Przywara <andre.przywara@arm.com>,
Shanker Donthineni <shankerd@codeaurora.org>,
Vijay Kilari <vijay.kilari@gmail.com>,
xen-devel@lists.xenproject.org
Subject: Re: [PATCH v2 02/27] ARM: GICv3: allocate LPI pending and property table
Date: Thu, 23 Mar 2017 17:49:58 +0000 [thread overview]
Message-ID: <60636044-9c6b-ad92-4e17-70734bc84417@arm.com> (raw)
In-Reply-To: <alpine.DEB.2.10.1703231044200.8001@sstabellini-ThinkPad-X260>
Hi Stefano,
On 23/03/17 17:45, Stefano Stabellini wrote:
> On Thu, 23 Mar 2017, Julien Grall wrote:
>>> So as I mentioned before, I am happy to loose the Kconfig option, but
>>> then we need some sensible default value. In our case we could be cheeky
>>> here for now and just use the Linux value, because a Linux Dom0 would be
>>> the only user. But that doesn't sound very future proof, though this may
>>> not matter for 4.9.
>>
>> I don't think we need a sensible default value and IHMO there is none. I would
>> left the user to decide the exact number.
>
> In that case, the command line parameter becomes mandatory: we need to
> force the user to specify it as we do for dom0_mem today.
Not really. We should use the hardware value by default. If a user
thinks the number allocated is too big for his use case, then it can
limit using the command line.
Anyway, I will not oppose to make this command option mandatory when ITS
is in use.
Cheers,
--
Julien Grall
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next prev parent reply other threads:[~2017-03-23 17:50 UTC|newest]
Thread overview: 119+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-16 11:20 [PATCH v2 00/27] arm64: Dom0 ITS emulation Andre Przywara
2017-03-16 11:20 ` [PATCH v2 01/27] ARM: GICv3 ITS: parse and store ITS subnodes from hardware DT Andre Przywara
2017-03-21 20:17 ` Julien Grall
2017-03-23 10:57 ` Andre Przywara
2017-03-23 17:32 ` Julien Grall
2017-03-16 11:20 ` [PATCH v2 02/27] ARM: GICv3: allocate LPI pending and property table Andre Przywara
2017-03-21 21:23 ` Julien Grall
2017-03-23 14:40 ` Andre Przywara
2017-03-23 17:42 ` Julien Grall
2017-03-23 17:45 ` Stefano Stabellini
2017-03-23 17:49 ` Julien Grall [this message]
2017-03-23 18:01 ` Stefano Stabellini
2017-03-23 18:21 ` Andre Przywara
2017-03-24 11:45 ` Julien Grall
2017-03-24 17:22 ` Stefano Stabellini
2017-03-21 22:57 ` Stefano Stabellini
2017-03-21 23:08 ` André Przywara
2017-03-21 23:27 ` Stefano Stabellini
2017-03-23 10:50 ` Andre Przywara
2017-03-23 17:47 ` Julien Grall
2017-03-16 11:20 ` [PATCH v2 03/27] ARM: GICv3 ITS: allocate device and collection table Andre Przywara
2017-03-21 23:29 ` Stefano Stabellini
2017-03-22 13:52 ` Julien Grall
2017-03-22 16:08 ` André Przywara
2017-03-22 16:33 ` Julien Grall
2017-03-29 13:58 ` Andre Przywara
2017-03-16 11:20 ` [PATCH v2 04/27] ARM: GICv3 ITS: map ITS command buffer Andre Przywara
2017-03-21 23:48 ` Stefano Stabellini
2017-03-22 15:23 ` Julien Grall
2017-03-22 16:31 ` André Przywara
2017-03-22 16:41 ` Julien Grall
2017-03-16 11:20 ` [PATCH v2 05/27] ARM: GICv3 ITS: introduce ITS command handling Andre Przywara
2017-03-16 15:05 ` Shanker Donthineni
2017-03-16 15:18 ` Andre Przywara
2017-03-22 0:02 ` Stefano Stabellini
2017-03-22 15:59 ` Julien Grall
2017-04-03 10:58 ` Andre Przywara
2017-04-03 11:23 ` Julien Grall
2017-03-16 11:20 ` [PATCH v2 06/27] ARM: GICv3 ITS: introduce device mapping Andre Przywara
2017-03-22 17:29 ` Julien Grall
2017-04-03 20:08 ` Andre Przywara
2017-04-03 20:41 ` Julien Grall
2017-04-04 9:57 ` Andre Przywara
2017-03-22 22:45 ` Stefano Stabellini
2017-04-03 19:45 ` Andre Przywara
2017-03-30 11:17 ` Vijay Kilari
2017-03-16 11:20 ` [PATCH v2 07/27] ARM: arm64: activate atomic 64-bit accessors Andre Przywara
2017-03-22 17:30 ` Julien Grall
2017-03-22 22:49 ` Stefano Stabellini
2017-03-16 11:20 ` [PATCH v2 08/27] ARM: GICv3 ITS: introduce host LPI array Andre Przywara
2017-03-22 23:38 ` Stefano Stabellini
2017-03-23 8:48 ` Julien Grall
2017-03-23 10:21 ` Andre Przywara
2017-03-23 17:52 ` Stefano Stabellini
2017-03-24 11:54 ` Julien Grall
2017-03-23 19:08 ` Julien Grall
2017-04-03 19:30 ` Andre Przywara
2017-04-03 20:13 ` Julien Grall
2017-03-16 11:20 ` [PATCH v2 09/27] ARM: GICv3: introduce separate pending_irq structs for LPIs Andre Przywara
2017-03-22 23:44 ` Stefano Stabellini
2017-03-23 20:08 ` André Przywara
2017-03-24 10:59 ` Julien Grall
2017-03-24 11:40 ` Julien Grall
2017-03-24 15:50 ` Andre Przywara
2017-03-24 16:19 ` Julien Grall
2017-03-24 17:26 ` Stefano Stabellini
2017-03-27 9:02 ` Andre Przywara
2017-03-27 14:01 ` Julien Grall
2017-03-27 17:44 ` Stefano Stabellini
2017-03-27 17:49 ` Julien Grall
2017-03-27 18:39 ` Stefano Stabellini
2017-03-27 21:24 ` Julien Grall
2017-03-28 7:58 ` Jan Beulich
2017-03-28 13:12 ` Julien Grall
2017-03-28 13:34 ` Jan Beulich
2017-03-16 11:20 ` [PATCH v2 10/27] ARM: GICv3: forward pending LPIs to guests Andre Przywara
2017-03-24 12:03 ` Julien Grall
2017-04-03 14:18 ` Andre Przywara
2017-04-04 11:49 ` Julien Grall
2017-04-04 12:51 ` Andre Przywara
2017-04-04 12:50 ` Julien Grall
2017-03-16 11:20 ` [PATCH v2 11/27] ARM: GICv3: enable ITS and LPIs on the host Andre Przywara
2017-03-16 11:20 ` [PATCH v2 12/27] ARM: vGICv3: handle virtual LPI pending and property tables Andre Przywara
2017-03-24 12:09 ` Julien Grall
2017-03-16 11:20 ` [PATCH v2 13/27] ARM: vGICv3: Handle disabled LPIs Andre Przywara
2017-03-24 12:20 ` Julien Grall
2017-03-16 11:20 ` [PATCH v2 14/27] ARM: vGICv3: introduce basic ITS emulation bits Andre Przywara
2017-03-16 16:25 ` Shanker Donthineni
2017-03-20 12:17 ` Vijay Kilari
2017-03-24 12:41 ` Julien Grall
2017-03-16 11:20 ` [PATCH v2 15/27] ARM: vITS: introduce translation table walks Andre Przywara
2017-03-24 13:00 ` Julien Grall
2017-04-03 18:25 ` Andre Przywara
2017-04-04 15:59 ` Julien Grall
2017-03-16 11:20 ` [PATCH v2 16/27] ARM: vITS: handle CLEAR command Andre Przywara
2017-03-24 14:27 ` Julien Grall
2017-03-24 15:53 ` Andre Przywara
2017-03-24 17:17 ` Stefano Stabellini
2017-03-27 8:44 ` Andre Przywara
2017-03-27 14:12 ` Julien Grall
2017-03-16 11:20 ` [PATCH v2 17/27] ARM: vITS: handle INT command Andre Przywara
2017-03-24 14:38 ` Julien Grall
2017-03-16 11:20 ` [PATCH v2 18/27] ARM: vITS: handle MAPC command Andre Przywara
2017-03-16 11:20 ` [PATCH v2 19/27] ARM: vITS: handle MAPD command Andre Przywara
2017-03-24 14:41 ` Julien Grall
2017-03-16 11:20 ` [PATCH v2 20/27] ARM: vITS: handle MAPTI command Andre Przywara
2017-03-24 14:54 ` Julien Grall
2017-04-03 18:47 ` Andre Przywara
2017-03-16 11:20 ` [PATCH v2 21/27] ARM: vITS: handle MOVI command Andre Przywara
2017-03-24 15:00 ` Julien Grall
2017-03-16 11:20 ` [PATCH v2 22/27] ARM: vITS: handle DISCARD command Andre Przywara
2017-03-16 11:20 ` [PATCH v2 23/27] ARM: vITS: handle INV command Andre Przywara
2017-03-16 11:20 ` [PATCH v2 24/27] ARM: vITS: handle INVALL command Andre Przywara
2017-03-24 15:12 ` Julien Grall
2017-03-16 11:20 ` [PATCH v2 25/27] ARM: vITS: create and initialize virtual ITSes for Dom0 Andre Przywara
2017-03-24 15:18 ` Julien Grall
2017-03-16 11:20 ` [PATCH v2 26/27] ARM: vITS: create ITS subnodes for Dom0 DT Andre Przywara
2017-03-16 11:20 ` [PATCH v2 27/27] ARM: vGIC: advertise LPI support Andre Przywara
2017-03-24 15:25 ` Julien Grall
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