Hello all,
Is the following code valid ???
foo() {
...........
spin_lock(lock);
ptr = kzalloc(size, GFP_KERNEL);
spin_unlock(lock);
.....
}
I guess the answer is no, but would like to confirm. Detailed/all
possible reasons for not doing so are welcome. IIRC, I was getting a
kernel crash with similar code with error message as "spinlock bug :
unlocked on wrong CPU" which looked like it was getting locked on one
cpu and due to memory allocation was getting unlocked from another
cpu.
--
Thanks -
Manish
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