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Commit da594e3f authored by Russell King's avatar Russell King
Browse files

ARM: obtain thread info structure later 



Obtain the thread info structure later in the syscall processing, so
that we free up a register for earlier code.

Signed-off-by: default avatarRussell King <rmk+kernel@armlinux.org.uk>
parent 309ee042

arch/arm/kernel/entry-common.S

+2 −1
Original line number Diff line number Diff line
@@ -152,7 +152,6 @@ ENTRY(vector_swi) 
	alignment_trap r10, ip, __cr_alignment

	enable_irq

	ct_user_exit

	get_thread_info tsk



	/*

	 * Get the system call number.
@@ -209,6 +208,7 @@ ENTRY(vector_swi) 
	bic	scno, scno, #0xff000000		@ mask off SWI op-code

	eor	scno, scno, #__NR_SYSCALL_BASE	@ check OS number

#endif

	get_thread_info tsk



local_restart:

	ldr	r10, [tsk, #TI_FLAGS]		@ check for syscall tracing
@@ -240,6 +240,7 @@ local_restart: 
9001:

	sub	lr, saved_pc, #4

	str	lr, [sp, #S_PC]

	get_thread_info tsk

	b	ret_fast_syscall

#endif

ENDPROC(vector_swi)