Revert r223479. It is unnecessary and served only to slightly ameliorate

some manifestations of the bug actually fixed in r223485.
2011-06-26 15:08:14 +00:00 · 2011-06-26 15:08:14 +00:00 · a7d1798120
commit a7d1798120
parent 19f06d0344
2 changed files with 0 additions and 4 deletions
--- a/sys/powerpc/aim/trap_subr32.S
+++ b/sys/powerpc/aim/trap_subr32.S
@ -754,8 +754,6 @@ k_trap:
 /* Call C interrupt dispatcher: */
 trapagain:
 	addi	%r3,%r1,8
-	addi	%r4,%r1,-4		/* Clear any existing reservations */
-	stwcx.	%r3,0,%r4		
 	bl	CNAME(powerpc_interrupt)
 	.globl	CNAME(trapexit)		/* backtrace code sentinel */
 CNAME(trapexit):
--- a/sys/powerpc/aim/trap_subr64.S
+++ b/sys/powerpc/aim/trap_subr64.S
@ -514,8 +514,6 @@ trapagain:
 	lis	%r3,tocbase@ha
 	ld	%r2,tocbase@l(%r3)
 	addi	%r3,%r1,48
-	addi	%r4,%r1,-8		/* Clear any existing reservations */
-	stdcx.	%r3,0,%r4		
 	bl	CNAME(powerpc_interrupt)
 	nop