kpatch/test/integration/centos-7/smp-locks-section.patch

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diff -Nupr src.orig/drivers/tty/tty_buffer.c src/drivers/tty/tty_buffer.c
--- src.orig/drivers/tty/tty_buffer.c 2016-11-30 20:10:24.201178250 +0000
+++ src/drivers/tty/tty_buffer.c 2016-11-30 20:45:50.356178250 +0000
@@ -217,6 +217,10 @@ int tty_buffer_request_room(struct tty_p
/* OPTIMISATION: We could keep a per tty "zero" sized buffer to
remove this conditional if its worth it. This would be invisible
to the callers */
+
+ if (!size)
+ printk("kpatch-test: testing .smp_locks section changes\n");
+
b = buf->tail;
if (b != NULL)
left = b->size - b->used;