[PATCH v4 0/7] VFIO platform reset module rework
Eric Auger
eric.auger at linaro.org
Fri Oct 23 08:51:12 PDT 2015
On 10/23/2015 05:47 PM, Eric Auger wrote:
> This series fixes the current implementation by getting rid of the
> usage of __symbol_get which caused a compilation issue with
> CONFIG_MODULES disabled. On top of this, the usage of MODULE_ALIAS makes
> possible to add a new reset module without being obliged to update the
> framework. The new implementation relies on the reset module registering
> its reset function to the vfio-platform driver.
>
> The series is available at
>
> https://git.linaro.org/people/eric.auger/linux.git/shortlog/refs/heads/v4.3-rc6-rework-v3
argh,
https://git.linaro.org/people/eric.auger/linux.git/shortlog/refs/heads/v4.3-rc6-rework-v4
But scatterbrained as I am, I am pretty sure I will do a new respin.
Thanks for your patience :-(
Eric
>
> Best Regards
>
> Eric
>
> v3 -> v4:
> - Remove the EXPORT_SYMBOL_GPL(vfio_platform_calxedaxgmac_reset) later
> in [6/7], to keep the functionality working all along the series
> - Add Arnd R-b (I dared to keep them despite the above change)
> - vfio_platform_unregister_reset gets the reset function to do a double
> check on the compat and the function pointer too
> - __vfio_platform_register_reset turned to 'void'
>
> v2 -> v3:
> - use driver_mutex instead of reset_mutex
> - style fixes: single mutex_unlock
> - use static nodes; vfio_platform_register_reset now is a macro
> - vfio_platform_reset_private.h removed since reset_module_(un)register
> disappear. No use of symbol_get anymore.
> - new patch introducing vfio-platform-base
> - reset look-up moved back at vfio-platform probe time
> - new patch featuring dev_info/dev_warn
>
> v1 -> v2:
> * in vfio_platform_common.c:
> - move reset lookup at load time and put reset at release: this is to
> prevent a race between the 2 load module loads
> - reset_list becomes static
> - vfio_platform_register/unregister_reset take a const char * as compat
> - fix node link
> - remove old combo struct and cleanup proto of vfio_platform_get_reset
> - add mutex to protect the reset list
> * in calxeda xgmac reset module
> - introduce vfio_platform_reset_private.h
> - use module_vfio_reset_handler macro
> - do not export vfio_platform_calxedaxgmac_reset symbol anymore
> - add a pr_info to show the device is reset by vfio reset module
>
>
>
> Eric Auger (7):
> vfio: platform: introduce vfio-platform-base module
> vfio: platform: add capability to register a reset function
> vfio: platform: introduce module_vfio_reset_handler macro
> vfio: platform: reset: calxedaxgmac: add reset function registration
> vfio: platform: add compat in vfio_platform_device
> vfio: platform: use list of registered reset function
> vfio: platform: add dev_info on device reset
>
> drivers/vfio/platform/Makefile | 6 +-
> .../platform/reset/vfio_platform_calxedaxgmac.c | 5 +-
> drivers/vfio/platform/vfio_amba.c | 1 +
> drivers/vfio/platform/vfio_platform.c | 1 +
> drivers/vfio/platform/vfio_platform_common.c | 119 +++++++++++++++------
> drivers/vfio/platform/vfio_platform_private.h | 40 ++++++-
> 6 files changed, 130 insertions(+), 42 deletions(-)
>
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