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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: 66f16a2451 ("arm64: smp: Rework early feature mismatched detection")
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Tested-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
[will: consistent use of UL() for all shifts in asm constants]
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Shaokun Zhang 2018-12-29 09:43:17 +08:00 committed by Will Deacon
parent 12f799c8c7
commit 1236cd2bad
1 changed files with 5 additions and 3 deletions
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8
arch/arm64/include/asm/smp.h
View File

@ -16,9 +16,11 @@
#ifndef __ASM_SMP_H
#define __ASM_SMP_H
#include <linux/const.h>
/* 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__