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![]() Add a helper that waits for a pid and stores the status in the passed in kernel pointer. Use it to fix the usage of kernel_wait4 in call_usermodehelper_exec_sync that only happens to work due to the implicit set_fs(KERNEL_DS) for kernel threads. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Luis Chamberlain <mcgrof@kernel.org> Link: http://lkml.kernel.org/r/20200721130449.5008-1-hch@lst.de Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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autogroup.h | ||
clock.h | ||
coredump.h | ||
cpufreq.h | ||
cputime.h | ||
deadline.h | ||
debug.h | ||
hotplug.h | ||
idle.h | ||
init.h | ||
isolation.h | ||
jobctl.h | ||
loadavg.h | ||
mm.h | ||
nohz.h | ||
numa_balancing.h | ||
prio.h | ||
rt.h | ||
signal.h | ||
smt.h | ||
stat.h | ||
sysctl.h | ||
task.h | ||
task_stack.h | ||
topology.h | ||
types.h | ||
user.h | ||
wake_q.h | ||
xacct.h |