Merge tag 'tegra-for-3.17-defconfig' of git://git.kernel.org/pub/scm/linux/kernel...

[cascardo/linux.git] / arch / arc / kernel / head.S

diff --git a/arch/arc/kernel/head.S b/arch/arc/kernel/head.S
index 07a58f2..4d2481b 100644 (file)
--- a/arch/arc/kernel/head.S
+++ b/arch/arc/kernel/head.S
@@ -77,10 +77,11 @@ stext:
        ; Clear BSS before updating any globals
        ; XXX: use ZOL here
        mov     r5, __bss_start
-       mov     r6, __bss_stop
+       sub     r6, __bss_stop, r5
+       lsr.f   lp_count, r6, 2
+       lpnz    1f
+       st.ab   0, [r5, 4]
 1:
-       st.ab   0, [r5,4]
-       brlt    r5, r6, 1b
 
        ; Uboot - kernel ABI
        ;    r0 = [0] No uboot interaction, [1] cmdline in r2, [2] DTB in r2