Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc

[linux-imx.git] / arch / powerpc / kernel / tm.S

diff --git a/arch/powerpc/kernel/tm.S b/arch/powerpc/kernel/tm.S
index 51be8fb2480313610b5971b6ef70a89f58f794a2..0554d1f6d70dae8eeb964806ccd869b9e2a5e89f 100644 (file)
--- a/arch/powerpc/kernel/tm.S
+++ b/arch/powerpc/kernel/tm.S
@@ -233,6 +233,16 @@ dont_backup_fp:
        std     r5, _CCR(r7)
        std     r6, _XER(r7)
 
+
+       /* ******************** TAR, PPR, DSCR ********** */
+       mfspr   r3, SPRN_TAR
+       mfspr   r4, SPRN_PPR
+       mfspr   r5, SPRN_DSCR
+
+       std     r3, THREAD_TM_TAR(r12)
+       std     r4, THREAD_TM_PPR(r12)
+       std     r5, THREAD_TM_DSCR(r12)
+
        /* MSR and flags:  We don't change CRs, and we don't need to alter
         * MSR.
         */
@@ -347,6 +357,16 @@ dont_restore_fp:
        mtmsr   r6                              /* FP/Vec off again! */
 
 restore_gprs:
+
+       /* ******************** TAR, PPR, DSCR ********** */
+       ld      r4, THREAD_TM_TAR(r3)
+       ld      r5, THREAD_TM_PPR(r3)
+       ld      r6, THREAD_TM_DSCR(r3)
+
+       mtspr   SPRN_TAR,       r4
+       mtspr   SPRN_PPR,       r5
+       mtspr   SPRN_DSCR,      r6
+
        /* ******************** CR,LR,CCR,MSR ********** */
        ld      r3, _CTR(r7)
        ld      r4, _LINK(r7)