Messages in this thread | | | From | Parav Pandit <> | Subject | [PATCH 0/2] Simplify mtty driver and mdev core | Date | Fri, 2 Aug 2019 01:59:03 -0500 |
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Currently mtty sample driver uses mdev state and UUID in convoluated way to generate an interrupt. It uses several translations from mdev_state to mdev_device to mdev uuid. After which it does linear search of long uuid comparision to find out mdev_state in mtty_trigger_interrupt(). mdev_state is already available while generating interrupt from which all such translations are done to reach back to mdev_state.
This translations are done during interrupt generation path. This is unnecessary and reduandant.
Hence, Patch-1 simplifies mtty sample driver to directly use mdev_state.
Patch-2, Since no production driver uses mdev_uuid(), and mdev's name is already available using core kernel dev_name(), simplifies and removes redandant mdev_uuid() exported symbol.
Parav Pandit (2): vfio-mdev/mtty: Simplify interrupt generation vfio/mdev: Removed unused and redundant API for mdev name
drivers/vfio/mdev/mdev_core.c | 6 ------ include/linux/mdev.h | 1 - samples/vfio-mdev/mtty.c | 39 +++++++---------------------------- 3 files changed, 8 insertions(+), 38 deletions(-)
-- 2.21.0.777.g83232e3864
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