From: zijun_hu <zijun...@htc.com>
macro branch_if_master checks master CPU via (Aff3 & (Aff2:Aff1:Aff0))
it is simple but a little obscure.
fix by checking Affx fields within MPIDR_EL1 directly.
Signed-off-by: zijun_hu <zijun...@htc.com>
---
arch/arm/include/asm/macro.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm/include/asm/macro.h b/arch/arm/include/asm/macro.h
index e1916f7..0c8652a 100644
--- a/arch/arm/include/asm/macro.h
+++ b/arch/arm/include/asm/macro.h
@@ -131,6 +131,7 @@ lr .req x30
/* NOTE: MPIDR handling will be erroneous on multi-cluster machines */
mrs \xreg1, mpidr_el1
lsr \xreg2, \xreg1, #32
+ lsl \xreg2, \xreg2, #32
lsl \xreg1, \xreg1, #40
lsr \xreg1, \xreg1, #40
orr \xreg1, \xreg1, \xreg2
--
1.9.1
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