Messages in this thread Patch in this message | | | From | vincent.donnefort@arm ... | Subject | [PATCH v2 1/3] cpu/hotplug: Allowing to reset fail injection | Date | Tue, 16 Feb 2021 10:35:04 +0000 |
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From: Vincent Donnefort <vincent.donnefort@arm.com>
Currently, the only way of resetting the fail injection is to trigger a hotplug, hotunplug or both. This is rather annoying for testing and, as the default value for this file is -1, it seems pretty natural to let a user write it.
Signed-off-by: Vincent Donnefort <vincent.donnefort@arm.com>
diff --git a/kernel/cpu.c b/kernel/cpu.c index 4e11e91010e1..093f96fb0824 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -2200,6 +2200,11 @@ static ssize_t write_cpuhp_fail(struct device *dev, if (ret) return ret; + if (fail == CPUHP_INVALID) { + st->fail = fail; + return count; + } + if (fail < CPUHP_OFFLINE || fail > CPUHP_ONLINE) return -EINVAL; -- 2.25.1
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