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author | Anton Vorontsov <anton.vorontsov@linaro.org> | 2012-02-07 10:49:51 +0400 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-02-09 21:03:30 +0400 |
commit | d3a532a9c617106a0169232d40164ee35d0440b5 (patch) | |
tree | 4204ef5560c353f91cd275fb8303d799869dd97c /kernel/spinlock.c | |
parent | e502babe0a85226f2417b60a8710cf8192879180 (diff) | |
download | linux-d3a532a9c617106a0169232d40164ee35d0440b5.tar.xz |
sysrq: Properly check for kernel threads
There's a real possibility of killing kernel threads that might
have issued use_mm(), so kthread's mm might become non-NULL.
This patch fixes the issue by checking for PF_KTHREAD (just as
get_task_mm()).
Suggested-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/spinlock.c')
0 files changed, 0 insertions, 0 deletions