diff options
Diffstat (limited to 'arch/powerpc/mm/8xx_mmu.c')
| -rw-r--r-- | arch/powerpc/mm/8xx_mmu.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/powerpc/mm/8xx_mmu.c b/arch/powerpc/mm/8xx_mmu.c index fe1f6443d57f..e257a0c9bd08 100644 --- a/arch/powerpc/mm/8xx_mmu.c +++ b/arch/powerpc/mm/8xx_mmu.c @@ -213,3 +213,15 @@ void flush_instruction_cache(void) mtspr(SPRN_IC_CST, IDC_INVALL); isync(); } + +#ifdef CONFIG_PPC_KUEP +void __init setup_kuep(bool disabled) +{ + if (disabled) + return; + + pr_info("Activating Kernel Userspace Execution Prevention\n"); + + mtspr(SPRN_MI_AP, MI_APG_KUEP); +} +#endif |