X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=arch%2Fsparc%2Fkernel%2Fsyscalls.S;h=1d7e274f3f2b42bfac80354f1745c7ad48cd9e27;hb=6d5e93c2aa1248b25f9de0eaca1dca038e31d79d;hp=dc4a458f74dcc590a9cbe391dbc14a7b8302353c;hpb=a4ad68d57e4dc4138304df23d1817eb094149389;p=mv-sheeva.git

diff --git a/arch/sparc/kernel/syscalls.S b/arch/sparc/kernel/syscalls.S
index dc4a458f74d..1d7e274f3f2 100644
--- a/arch/sparc/kernel/syscalls.S
+++ b/arch/sparc/kernel/syscalls.S
@@ -110,31 +110,12 @@ sys_clone:
 
 	.globl	ret_from_syscall
 ret_from_syscall:
-	/* Clear current_thread_info()->new_child, and
-	 * check performance counter stuff too.
-	 */
+	/* Clear current_thread_info()->new_child. */
 	stb	%g0, [%g6 + TI_NEW_CHILD]
 	ldx	[%g6 + TI_FLAGS], %l0
 	call	schedule_tail
 	 mov	%g7, %o0
-	andcc	%l0, _TIF_PERFCTR, %g0
-	be,pt	%icc, 1f
-	 nop
-	ldx	[%g6 + TI_PCR], %o7
-	wr	%g0, %o7, %pcr
-
-	/* Blackbird errata workaround.  See commentary in
-	 * smp.c:smp_percpu_timer_interrupt() for more
-	 * information.
-	 */
-	ba,pt	%xcc, 99f
-	 nop
-
-	.align	64
-99:	wr	%g0, %g0, %pic
-	rd	%pic, %g0
-
-1:	ba,pt	%xcc, ret_sys_call
+	ba,pt	%xcc, ret_sys_call
 	 ldx	[%sp + PTREGS_OFF + PT_V9_I0], %o0
 
 	.globl	sparc_exit