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authorStephen Hemminger <shemminger@osdl.org>2005-10-14 22:26:34 (GMT)
committerArnaldo Carvalho de Melo <acme@mandriva.com>2005-10-26 02:03:12 (GMT)
commitb7c8921bf1a8a9c1907b1eeb029d3f167be226f3 (patch)
tree8b3fcc1f10d297ddde054f8be887cd09129e0320 /net
parent670c02c2bfd2c8a305a90f5285409a7b0a8fd630 (diff)
downloadlinux-fsl-qoriq-b7c8921bf1a8a9c1907b1eeb029d3f167be226f3.tar.xz
[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>
Diffstat (limited to 'net')
-rw-r--r--net/core/pktgen.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 00116d8..8a90bf7 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];