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ARM: percpu.h: fix build error

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commit aa54ea903abb02303bf55855fb51e3fcee135d70 upstream.

Fix build error for the case:
  defined(CONFIG_SMP) && !defined(CONFIG_CPU_V6)

config: keystone_defconfig

  CC      arch/arm/kernel/signal.o
  In file included from ../include/linux/random.h:14,
                    from ../arch/arm/kernel/signal.c:8:
  ../arch/arm/include/asm/percpu.h: In function ‘__my_cpu_offset’:
  ../arch/arm/include/asm/percpu.h:29:34: error: ‘current_stack_pointer’ undeclared (first use in this function); did you mean ‘user_stack_pointer’?
      : "Q" (*(const unsigned long *)current_stack_pointer));
                                     ^~~~~~~~~~~~~~~~~~~~~
                                     user_stack_pointer

Fixes: f227e3ec3b5c ("random32: update the net random state on interrupt and activity")
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Grygorii Strashko 2020-07-30 22:05:01 +03:00 • committed by Greg Kroah-Hartman
parent 40713057d1
commit 7dc6f83d3d
1 changed files with 2 additions and 0 deletions
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arch/arm/include/asm/percpu.h
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@ -16,6 +16,8 @@
#ifndef _ASM_ARM_PERCPU_H_ #ifndef _ASM_ARM_PERCPU_H_
#define _ASM_ARM_PERCPU_H_ #define _ASM_ARM_PERCPU_H_
#include <asm/thread_info.h>
/* /*
* Same as asm-generic/percpu.h, except that we store the per cpu offset * Same as asm-generic/percpu.h, except that we store the per cpu offset
* in the TPIDRPRW. TPIDRPRW only exists on V6K and V7 * in the TPIDRPRW. TPIDRPRW only exists on V6K and V7