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arm64: do not include ptrace.h from compat.h

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including ptrace.h brings a definition of BITS_PER_PAGE into device
drivers and cause a build warning in allmodconfig builds:

drivers/block/drbd/drbd_bitmap.c:482:0: warning: "BITS_PER_PAGE" redefined
 #define BITS_PER_PAGE  (1UL << (PAGE_SHIFT + 3))

This uses a slightly different way to express current_pt_regs()
that avoids the use of the header and gets away with the already
included asm/ptrace.h.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Arnd Bergmann 2015-11-16 17:32:15 +01:00 committed by Catalin Marinas
parent 1dccb598df
commit adc235aff6
1 changed files with 1 additions and 2 deletions
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3
arch/arm64/include/asm/compat.h
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@ -23,7 +23,6 @@
*/
#include <linux/types.h>
#include <linux/sched.h>
#include <linux/ptrace.h>
#define COMPAT_USER_HZ 100
#ifdef __AARCH64EB__
@ -234,7 +233,7 @@ static inline compat_uptr_t ptr_to_compat(void __user *uptr)
return (u32)(unsigned long)uptr;
}
#define compat_user_stack_pointer() (user_stack_pointer(current_pt_regs()))
#define compat_user_stack_pointer() (user_stack_pointer(task_pt_regs(current)))
static inline void __user *arch_compat_alloc_user_space(long len)
{