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-rw-r--r--arch/powerpc/kernel/entry_32.S12
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
index 5207d5a405e..ead5016b02d 100644
--- a/arch/powerpc/kernel/entry_32.S
+++ b/arch/powerpc/kernel/entry_32.S
@@ -89,10 +89,14 @@ crit_transfer_to_handler:
89 mfspr r0,SPRN_SRR1 89 mfspr r0,SPRN_SRR1
90 stw r0,_SRR1(r11) 90 stw r0,_SRR1(r11)
91 91
92 /* set the stack limit to the current stack
93 * and set the limit to protect the thread_info
94 * struct
95 */
92 mfspr r8,SPRN_SPRG_THREAD 96 mfspr r8,SPRN_SPRG_THREAD
93 lwz r0,KSP_LIMIT(r8) 97 lwz r0,KSP_LIMIT(r8)
94 stw r0,SAVED_KSP_LIMIT(r11) 98 stw r0,SAVED_KSP_LIMIT(r11)
95 CURRENT_THREAD_INFO(r0, r1) 99 rlwimi r0,r1,0,0,(31-THREAD_SHIFT)
96 stw r0,KSP_LIMIT(r8) 100 stw r0,KSP_LIMIT(r8)
97 /* fall through */ 101 /* fall through */
98#endif 102#endif
@@ -109,10 +113,14 @@ crit_transfer_to_handler:
109 mfspr r0,SPRN_SRR1 113 mfspr r0,SPRN_SRR1
110 stw r0,crit_srr1@l(0) 114 stw r0,crit_srr1@l(0)
111 115
116 /* set the stack limit to the current stack
117 * and set the limit to protect the thread_info
118 * struct
119 */
112 mfspr r8,SPRN_SPRG_THREAD 120 mfspr r8,SPRN_SPRG_THREAD
113 lwz r0,KSP_LIMIT(r8) 121 lwz r0,KSP_LIMIT(r8)
114 stw r0,saved_ksp_limit@l(0) 122 stw r0,saved_ksp_limit@l(0)
115 CURRENT_THREAD_INFO(r0, r1) 123 rlwimi r0,r1,0,0,(31-THREAD_SHIFT)
116 stw r0,KSP_LIMIT(r8) 124 stw r0,KSP_LIMIT(r8)
117 /* fall through */ 125 /* fall through */
118#endif 126#endif