Linus,
please pull the latest core-printk-for-linus git tree from:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
core-printk-for-linus
A single lock ordering fix in the printk code.
Thanks,
tglx
------------------>
Bu, Yitian (1):
printk: Fix rq->lock vs logbuf_lock unlock lock inversion
kernel/printk.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/printk.c b/kernel/printk.c
index 267ce78..e698e80 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -1358,9 +1358,9 @@ static int console_trylock_for_printk(unsigned int cpu)
}
}
logbuf_cpu = UINT_MAX;
+ raw_spin_unlock(&logbuf_lock);
if (wake)
up(&console_sem);
- raw_spin_unlock(&logbuf_lock);
return retval;
}
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