From: Vincent Donnefort <[email protected]> Currently, the only way of resetting this file is to actually try to run a hotplug, hotunplug or both. This is quite annoying for testing and, as the default value for this file is -1, it seems quite natural to let a user write it.
Signed-off-by: Vincent Donnefort <[email protected]> --- kernel/cpu.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/kernel/cpu.c b/kernel/cpu.c index 1b6302e..9121edf 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -2207,6 +2207,11 @@ 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; -- 2.7.4

