From 1236cd2bad8bc9038af90830cf017c770fdba03c Mon Sep 17 00:00:00 2001 From: Shaokun Zhang Date: Sat, 29 Dec 2018 09:43:17 +0800 Subject: [PATCH] arm64: smp: Fix compilation error For arm64: updates for 4.21, there is a compilation error: arch/arm64/kernel/head.S: Assembler messages: arch/arm64/kernel/head.S:824: Error: missing ')' arch/arm64/kernel/head.S:824: Error: missing ')' arch/arm64/kernel/head.S:824: Error: missing ')' arch/arm64/kernel/head.S:824: Error: unexpected characters following instruction at operand 2 -- `mov x2,#(2)|(2U<<(8))' scripts/Makefile.build:391: recipe for target 'arch/arm64/kernel/head.o' failed make[1]: *** [arch/arm64/kernel/head.o] Error 1 GCC version is gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.10) 5.4.0 20160609 Let's fix it using the UL() macro. Fixes: 66f16a24512f ("arm64: smp: Rework early feature mismatched detection") Cc: Catalin Marinas Cc: Will Deacon Tested-by: John Stultz Signed-off-by: Shaokun Zhang [will: consistent use of UL() for all shifts in asm constants] Signed-off-by: Will Deacon --- arch/arm64/include/asm/smp.h | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/arch/arm64/include/asm/smp.h b/arch/arm64/include/asm/smp.h index 1895561839a9..18553f399e08 100644 --- a/arch/arm64/include/asm/smp.h +++ b/arch/arm64/include/asm/smp.h @@ -16,9 +16,11 @@ #ifndef __ASM_SMP_H #define __ASM_SMP_H +#include + /* Values for secondary_data.status */ #define CPU_STUCK_REASON_SHIFT (8) -#define CPU_BOOT_STATUS_MASK ((1U << CPU_STUCK_REASON_SHIFT) - 1) +#define CPU_BOOT_STATUS_MASK ((UL(1) << CPU_STUCK_REASON_SHIFT) - 1) #define CPU_MMU_OFF (-1) #define CPU_BOOT_SUCCESS (0) @@ -29,8 +31,8 @@ /* Fatal system error detected by secondary CPU, crash the system */ #define CPU_PANIC_KERNEL (3) -#define CPU_STUCK_REASON_52_BIT_VA (1U << CPU_STUCK_REASON_SHIFT) -#define CPU_STUCK_REASON_NO_GRAN (2U << CPU_STUCK_REASON_SHIFT) +#define CPU_STUCK_REASON_52_BIT_VA (UL(1) << CPU_STUCK_REASON_SHIFT) +#define CPU_STUCK_REASON_NO_GRAN (UL(2) << CPU_STUCK_REASON_SHIFT) #ifndef __ASSEMBLY__ -- 2.11.0