diff options
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/exceptions-64e.S | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S index 316465a32a9c..5c43063d2506 100644 --- a/arch/powerpc/kernel/exceptions-64e.S +++ b/arch/powerpc/kernel/exceptions-64e.S | |||
| @@ -191,6 +191,12 @@ exc_##n##_bad_stack: \ | |||
| 191 | sth r1,PACA_TRAP_SAVE(r13); /* store trap */ \ | 191 | sth r1,PACA_TRAP_SAVE(r13); /* store trap */ \ |
| 192 | b bad_stack_book3e; /* bad stack error */ | 192 | b bad_stack_book3e; /* bad stack error */ |
| 193 | 193 | ||
| 194 | /* WARNING: If you change the layout of this stub, make sure you chcek | ||
| 195 | * the debug exception handler which handles single stepping | ||
| 196 | * into exceptions from userspace, and the MM code in | ||
| 197 | * arch/powerpc/mm/tlb_nohash.c which patches the branch here | ||
| 198 | * and would need to be updated if that branch is moved | ||
| 199 | */ | ||
| 194 | #define EXCEPTION_STUB(loc, label) \ | 200 | #define EXCEPTION_STUB(loc, label) \ |
| 195 | . = interrupt_base_book3e + loc; \ | 201 | . = interrupt_base_book3e + loc; \ |
| 196 | nop; /* To make debug interrupts happy */ \ | 202 | nop; /* To make debug interrupts happy */ \ |