[PATCH] uml: stack consumption reduction
Fix some stack abuse in the sysrq t path.
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/um/drivers/mconsole_user.c b/arch/um/drivers/mconsole_user.c
index 5b2f5fe..17068eb 100644
--- a/arch/um/drivers/mconsole_user.c
+++ b/arch/um/drivers/mconsole_user.c
@@ -131,6 +131,10 @@
int mconsole_reply_len(struct mc_request *req, const char *str, int total,
int err, int more)
{
+ /* XXX This is a stack consumption problem. It'd be nice to
+ * make it global and serialize access to it, but there are a
+ * ton of callers to this function.
+ */
struct mconsole_reply reply;
int len, n;