sh: GUSA atomic rollback support.

[linux-2.6-omap-h63xx.git] / arch / sh / kernel / entry-common.S

diff --git a/arch/sh/kernel/entry-common.S b/arch/sh/kernel/entry-common.S
index 397ac71d97f1ada251c6c030ad39b4e795f3f480..926b2e7b11c13a602fcce925c07439e1cdb09229 100644 (file)
--- a/arch/sh/kernel/entry-common.S
+++ b/arch/sh/kernel/entry-common.S
@@ -176,25 +176,6 @@ work_notifysig:
        jmp     @r1
         lds    r0, pr
 work_resched:
-#if defined(CONFIG_GUSA) && !defined(CONFIG_PREEMPT)
-       ! gUSA handling
-       mov.l   @(OFF_SP,r15), r0       ! get user space stack pointer
-       mov     r0, r1
-       shll    r0
-       bf/s    1f
-        shll   r0
-       bf/s    1f
-        mov    #OFF_PC, r0
-       !                                 SP >= 0xc0000000 : gUSA mark
-       mov.l   @(r0,r15), r2           ! get user space PC (program counter)
-       mov.l   @(OFF_R0,r15), r3       ! end point
-       cmp/hs  r3, r2                  ! r2 >= r3? 
-       bt      1f
-       add     r3, r1                  ! rewind point #2
-       mov.l   r1, @(r0,r15)           ! reset PC to rewind point #2
-       !
-1:
-#endif
        mov.l   1f, r1
        jsr     @r1                             ! schedule
         nop