diff options
Diffstat (limited to 'arch/powerpc/kernel/entry_32.S')
| -rw-r--r-- | arch/powerpc/kernel/entry_32.S | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S index 8f6617cf2689..7e5a1722e4f2 100644 --- a/arch/powerpc/kernel/entry_32.S +++ b/arch/powerpc/kernel/entry_32.S @@ -182,9 +182,11 @@ transfer_to_handler: */ kuap_save_and_lock r11, r12, r9, r2, r0 addi r2, r12, -THREAD +#ifndef CONFIG_VMAP_STACK lwz r9,KSP_LIMIT(r12) cmplw r1,r9 /* if r1 <= ksp_limit */ ble- stack_ovf /* then the kernel stack overflowed */ +#endif 5: #if defined(CONFIG_PPC_BOOK3S_32) || defined(CONFIG_E500) lwz r12,TI_LOCAL_FLAGS(r2) @@ -289,6 +291,7 @@ reenable_mmu: b fast_exception_return #endif +#ifndef CONFIG_VMAP_STACK /* * On kernel stack overflow, load up an initial stack pointer * and call StackOverflow(regs), which should not return. @@ -314,6 +317,7 @@ stack_ovf: mtspr SPRN_SRR1,r10 SYNC RFI +#endif #ifdef CONFIG_TRACE_IRQFLAGS trace_syscall_entry_irq_off: |