diff options
Diffstat (limited to 'arch/powerpc/kernel/entry_32.S')
| -rw-r--r-- | arch/powerpc/kernel/entry_32.S | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S index 5207d5a405e2..ead5016b02d0 100644 --- a/arch/powerpc/kernel/entry_32.S +++ b/arch/powerpc/kernel/entry_32.S @@ -89,10 +89,14 @@ crit_transfer_to_handler: mfspr r0,SPRN_SRR1 stw r0,_SRR1(r11) + /* set the stack limit to the current stack + * and set the limit to protect the thread_info + * struct + */ mfspr r8,SPRN_SPRG_THREAD lwz r0,KSP_LIMIT(r8) stw r0,SAVED_KSP_LIMIT(r11) - CURRENT_THREAD_INFO(r0, r1) + rlwimi r0,r1,0,0,(31-THREAD_SHIFT) stw r0,KSP_LIMIT(r8) /* fall through */ #endif @@ -109,10 +113,14 @@ crit_transfer_to_handler: mfspr r0,SPRN_SRR1 stw r0,crit_srr1@l(0) + /* set the stack limit to the current stack + * and set the limit to protect the thread_info + * struct + */ mfspr r8,SPRN_SPRG_THREAD lwz r0,KSP_LIMIT(r8) stw r0,saved_ksp_limit@l(0) - CURRENT_THREAD_INFO(r0, r1) + rlwimi r0,r1,0,0,(31-THREAD_SHIFT) stw r0,KSP_LIMIT(r8) /* fall through */ #endif |