[S390] IRQs too early enabled.

setup_lowcore() calls ctl_set_bit() which returns withs interrupts
enabled. The setup arch code is not supposed to enable interrupts that
early. Therefore use the __ctl_set_bit() variant.
This fixes the not working lock dependency validator on non 64 bit
systems.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index a31abdd..2aa13e8 100644 (file)
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -450,7 +450,7 @@ setup_lowcore(void)
                lc->extended_save_area_addr = (__u32)
                        __alloc_bootmem(PAGE_SIZE, PAGE_SIZE, 0);
                /* enable extended save area */
-               ctl_set_bit(14, 29);
+               __ctl_set_bit(14, 29);
        }
 #endif
        set_prefix((u32)(unsigned long) lc);