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: Russell King <rmk+kernel@armlinux.org.uk>

1 files changed, 2 insertions, 1 deletions

diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
index 9abe47a206d9..374c28723547 100644
--- a/arch/arm/kernel/entry-common.S
+++ b/arch/arm/kernel/entry-common.S
@@ -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)