diff options
Diffstat (limited to 'arch/arm/mm/fault.c')
| -rw-r--r-- | arch/arm/mm/fault.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c index 9820ad4b80c0..f18f94006fea 100644 --- a/arch/arm/mm/fault.c +++ b/arch/arm/mm/fault.c @@ -20,6 +20,7 @@ #include <linux/highmem.h> #include <linux/perf_event.h> +#include <asm/cp15.h> #include <asm/exception.h> #include <asm/pgtable.h> #include <asm/system_misc.h> @@ -393,12 +394,30 @@ no_context: __do_kernel_fault(mm, addr, fsr, regs); return 0; } + +static int __maybe_unused +do_pabt_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs) +{ +#ifdef CONFIG_HARDEN_BRANCH_PREDICTOR + if (addr > TASK_SIZE) { + switch (read_cpuid_part_number()) { + } + } +#endif + return do_page_fault(addr, fsr, regs); +} #else /* CONFIG_MMU */ static int do_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs) { return 0; } + +static int +do_pabt_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs) +{ + return 0; +} #endif /* CONFIG_MMU */ /* |