Kernel/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-01-15 17:43:59 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

arm64: Fix !CONFIG_SMP kernel build

Browse Source 
Commit fb4a96029c8a (arm64: kernel: fix per-cpu offset restore on
resume) uses per_cpu_offset() unconditionally during CPU wakeup,
however, this is only defined for the SMP case.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Reported-by: Dave P Martin <Dave.Martin@arm.com>
This commit is contained in:
Catalin Marinas 2014-02-28 16:12:25 +00:00
parent 84fe6826c2
commit b57fc9e806
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
arch/arm64/include/asm/percpu.h
View File

@ -16,6 +16,8 @@
#ifndef __ASM_PERCPU_H
#define __ASM_PERCPU_H
#ifdef CONFIG_SMP
static inline void set_my_cpu_offset(unsigned long off)
{
asm volatile("msr tpidr_el1, %0" :: "r" (off) : "memory");
@ -36,6 +38,12 @@ static inline unsigned long __my_cpu_offset(void)
}
#define __my_cpu_offset __my_cpu_offset()
#else /* !CONFIG_SMP */
#define set_my_cpu_offset(x) do { } while (0)
#endif /* CONFIG_SMP */
#include <asm-generic/percpu.h>
#endif /* __ASM_PERCPU_H */