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zdev: Trigger generic_ccw devices on any kernel module loads.

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Generic CCW device can use any driver, and the value of the driver is
not known ahead of time. To avoid the race between loading and binding
a kernel module, and devices added - retrigger generic-ccw devices on
any kernel module load.

Fixes: https://github.com/ibm-s390-tools/s390-tools/issues/37
Link: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1794308
Closes: https://github.com/ibm-s390-tools/s390-tools/pull/45

Signed-off-by: Dimitri John Ledkov <xnox@ubuntu.com>
Acked-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Dimitri John Ledkov
2018-10-16 10:15:02 +01:00
committed by Jan Höppner
parent 35348c302b
commit 07b11982e3
3 changed files with 4 additions and 1 deletions
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zdev/src/generic_ccw.c
+1
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@@ -29,6 +29,7 @@
static struct ccw_subtype_data generic_ccw_data = {
.ccwdrv = NULL,
.mod = NULL,
.any_driver = true,
};
/* Check if there is a non-generic subtype in the CCW namespace that uses the