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Commit a628b684 authored by H. Peter Anvin's avatar H. Peter Anvin
Browse files

x32: Provide separate is_ia32_task() and is_x32_task() predicates 



The is_compat_task() test is composed of two predicates already, so
make each of them available separately.

Signed-off-by: default avatarH. Peter Anvin <hpa@zytor.com>
Cc: H. J. Lu <hjl.tools@gmail.com>
Link: http://lkml.kernel.org/r/1329696488-16970-1-git-send-email-hpa@zytor.com
parent b263b31e

arch/x86/include/asm/compat.h

+11 −1
Original line number Diff line number Diff line
@@ -235,12 +235,17 @@ static inline void __user *arch_compat_alloc_user_space(long len) 
	return (void __user *)round_down(sp - len, 16);

}



static inline bool is_compat_task(void)

static inline bool is_ia32_task(void)

{

#ifdef CONFIG_IA32_EMULATION

	if (current_thread_info()->status & TS_COMPAT)

		return true;

#endif

	return false;

}



static inline bool is_x32_task(void)

{

#ifdef CONFIG_X86_X32_ABI

	if (task_pt_regs(current)->orig_ax & __X32_SYSCALL_BIT)

		return true;
@@ -248,4 +253,9 @@ static inline bool is_compat_task(void) 
	return false;

}



static inline bool is_compat_task(void)

{

	return is_ia32_task() || is_x32_task();

}



#endif /* _ASM_X86_COMPAT_H */