From: Eric Auger <eric.auger@linaro.org>
To: Arnd Bergmann <arnd@arndb.de>, linux-arm-kernel@lists.infradead.org
Cc: eric.auger@st.com, alex.williamson@redhat.com,
b.reynal@virtualopensystems.com, kvmarm@lists.cs.columbia.edu,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
christoffer.dall@linaro.org, patches@linaro.org
Subject: Re: [PATCH v3 6/7] vfio: platform: use list of registered reset function
Date: Fri, 23 Oct 2015 16:11:08 +0200 [thread overview]
Message-ID: <562A3FFC.4050504@linaro.org> (raw)
In-Reply-To: <4934120.DeNtNjTIFs@wuerfel>
Hi Arnd,
On 10/23/2015 03:12 PM, Arnd Bergmann wrote:
> On Friday 23 October 2015 14:37:14 Eric Auger wrote:
>> Remove the static lookup table and use the dynamic list of registered
>> reset functions instead. Also load the reset module through its alias.
>> The reset struct module pointer is stored in vfio_platform_device.
>>
>> We also remove the useless struct device pointer parameter in
>> vfio_platform_get_reset.
>>
>> This patch fixes the issue related to the usage of __symbol_get, which
>> besides from being moot, prevented compilation with CONFIG_MODULES
>> disabled.
>>
>> Also usage of MODULE_ALIAS makes possible to add a new reset module
>> without needing to update the framework. This was suggested by Arnd.
>>
>> Signed-off-by: Eric Auger <eric.auger@linaro.org>
>> Reported-by: Arnd Bergmann <arnd@arndb.de>
>>
>>
> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
>
> but doesn't this need to come before patch 4/7?
Well I don't think so. In [4] we introduce the dynamic registration
method but until this patch we still use the old lookup method in the
static table. I tested and the reset lookup still works in [4].
If we put this one before the registration, the functionality will be
lost here.
Eric
> Arnd
>
WARNING: multiple messages have this Message-ID (diff)
From: eric.auger@linaro.org (Eric Auger)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 6/7] vfio: platform: use list of registered reset function
Date: Fri, 23 Oct 2015 16:11:08 +0200 [thread overview]
Message-ID: <562A3FFC.4050504@linaro.org> (raw)
In-Reply-To: <4934120.DeNtNjTIFs@wuerfel>
Hi Arnd,
On 10/23/2015 03:12 PM, Arnd Bergmann wrote:
> On Friday 23 October 2015 14:37:14 Eric Auger wrote:
>> Remove the static lookup table and use the dynamic list of registered
>> reset functions instead. Also load the reset module through its alias.
>> The reset struct module pointer is stored in vfio_platform_device.
>>
>> We also remove the useless struct device pointer parameter in
>> vfio_platform_get_reset.
>>
>> This patch fixes the issue related to the usage of __symbol_get, which
>> besides from being moot, prevented compilation with CONFIG_MODULES
>> disabled.
>>
>> Also usage of MODULE_ALIAS makes possible to add a new reset module
>> without needing to update the framework. This was suggested by Arnd.
>>
>> Signed-off-by: Eric Auger <eric.auger@linaro.org>
>> Reported-by: Arnd Bergmann <arnd@arndb.de>
>>
>>
> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
>
> but doesn't this need to come before patch 4/7?
Well I don't think so. In [4] we introduce the dynamic registration
method but until this patch we still use the old lookup method in the
static table. I tested and the reset lookup still works in [4].
If we put this one before the registration, the functionality will be
lost here.
Eric
> Arnd
>
next prev parent reply other threads:[~2015-10-23 14:11 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-23 12:37 [PATCH v3 0/7] VFIO platform reset module rework Eric Auger
2015-10-23 12:37 ` Eric Auger
2015-10-23 12:37 ` Eric Auger
2015-10-23 12:37 ` [PATCH v3 1/7] vfio: platform: introduce vfio-platform-base module Eric Auger
2015-10-23 12:37 ` Eric Auger
2015-10-23 12:37 ` Eric Auger
2015-10-23 13:04 ` Arnd Bergmann
2015-10-23 13:04 ` Arnd Bergmann
2015-10-23 12:37 ` [PATCH v3 2/7] vfio: platform: add capability to register a reset function Eric Auger
2015-10-23 12:37 ` Eric Auger
2015-10-23 12:37 ` Eric Auger
2015-10-23 13:07 ` Arnd Bergmann
2015-10-23 13:07 ` Arnd Bergmann
2015-10-23 13:07 ` Arnd Bergmann
2015-10-23 14:15 ` Eric Auger
2015-10-23 14:15 ` Eric Auger
2015-10-23 14:15 ` Eric Auger
2015-10-23 12:37 ` [PATCH v3 3/7] vfio: platform: introduce module_vfio_reset_handler macro Eric Auger
2015-10-23 12:37 ` Eric Auger
2015-10-23 12:37 ` Eric Auger
2015-10-23 13:09 ` Arnd Bergmann
2015-10-23 13:09 ` Arnd Bergmann
2015-10-23 13:09 ` Arnd Bergmann
2015-10-23 14:10 ` Eric Auger
2015-10-23 14:10 ` Eric Auger
2015-10-23 14:10 ` Eric Auger
2015-10-23 12:37 ` [PATCH v3 4/7] vfio: platform: reset: calxedaxgmac: add reset function registration Eric Auger
2015-10-23 12:37 ` Eric Auger
2015-10-23 12:37 ` Eric Auger
2015-10-23 13:09 ` Arnd Bergmann
2015-10-23 13:09 ` Arnd Bergmann
2015-10-23 13:09 ` Arnd Bergmann
2015-10-23 12:37 ` [PATCH v3 5/7] vfio: platform: add compat in vfio_platform_device Eric Auger
2015-10-23 12:37 ` Eric Auger
2015-10-23 12:37 ` [PATCH v3 6/7] vfio: platform: use list of registered reset function Eric Auger
2015-10-23 12:37 ` Eric Auger
2015-10-23 12:37 ` Eric Auger
2015-10-23 13:12 ` Arnd Bergmann
2015-10-23 13:12 ` Arnd Bergmann
2015-10-23 14:11 ` Eric Auger [this message]
2015-10-23 14:11 ` Eric Auger
2015-10-23 14:23 ` Arnd Bergmann
2015-10-23 14:23 ` Arnd Bergmann
2015-10-23 15:15 ` Eric Auger
2015-10-23 15:15 ` Eric Auger
2015-10-23 15:15 ` Eric Auger
2015-10-23 12:37 ` [PATCH v3 7/7] vfio: platform: add dev_info on device reset Eric Auger
2015-10-23 12:37 ` Eric Auger
2015-10-23 12:37 ` Eric Auger
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