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| author | Stephen Hemminger <shemminger@osdl.org> | 2005-10-14 15:26:34 -0700 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@mandriva.com> | 2005-10-26 00:03:12 -0200 |
| commit | b7c8921bf1a8a9c1907b1eeb029d3f167be226f3 (patch) | |
| tree | 8b3fcc1f10d297ddde054f8be887cd09129e0320 | |
| parent | 670c02c2bfd2c8a305a90f5285409a7b0a8fd630 (diff) | |
| download | linux-3.10-b7c8921bf1a8a9c1907b1eeb029d3f167be226f3.tar.gz linux-3.10-b7c8921bf1a8a9c1907b1eeb029d3f167be226f3.tar.bz2 linux-3.10-b7c8921bf1a8a9c1907b1eeb029d3f167be226f3.zip | |
[PKTGEN]: Sleeping function called under lock
pktgen is calling kmalloc GFP_KERNEL and vmalloc with lock held.
The simplest fix is to turn the lock into a semaphore, since the
thread lock is only used for admin control from user context.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Robert Olsson <robert.olsson@its.uu.se>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
| -rw-r--r-- | net/core/pktgen.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/net/core/pktgen.c b/net/core/pktgen.c index 00116d8b3b2..8a90bf79261 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -177,8 +177,8 @@ #define T_REMDEV (1<<3) /* Remove all devs */ /* Locks */ -#define thread_lock() spin_lock(&_thread_lock) -#define thread_unlock() spin_unlock(&_thread_lock) +#define thread_lock() down(&pktgen_sem) +#define thread_unlock() up(&pktgen_sem) /* If lock -- can be removed after some work */ #define if_lock(t) spin_lock(&(t->if_lock)); @@ -503,7 +503,7 @@ static int pg_delay_d = 0; static int pg_clone_skb_d = 0; static int debug = 0; -static DEFINE_SPINLOCK(_thread_lock); +static DECLARE_MUTEX(pktgen_sem); static struct pktgen_thread *pktgen_threads = NULL; static char module_fname[128]; |