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| author | James Chapman <jchapman@katalix.com> | 2008-03-06 03:39:08 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-03-06 03:39:08 +0100 |
| commit | cf3752e2d203bbbfc88d29e362e6938cef4339b3 (patch) | |
| tree | f48f87708423899ca04590e0a004b3c4913443f9 /include/asm-blackfin | |
| parent | atm: replace remaining __FUNCTION__ occurrences (diff) | |
| download | linux-cf3752e2d203bbbfc88d29e362e6938cef4339b3.tar.xz linux-cf3752e2d203bbbfc88d29e362e6938cef4339b3.zip | |
[PPPOL2TP]: Make locking calls softirq-safe
Fix locking issues in the pppol2tp driver which can cause a kernel
crash on SMP boxes. There were two problems:-
1. The driver was violating read_lock() and write_lock() scheduling
rules because it wasn't using softirq-safe locks in softirq
contexts. So we now consistently use the _bh variants of the lock
functions.
2. The driver was calling sk_dst_get() in pppol2tp_xmit() which was
taking sk_dst_lock in softirq context. We now call __sk_dst_get().
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/asm-blackfin')
0 files changed, 0 insertions, 0 deletions