diff options
Diffstat (limited to 'arch/powerpc/kernel/process.c')
| -rw-r--r-- | arch/powerpc/kernel/process.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 72be0c32e902..2fd01c9045ba 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -42,6 +42,7 @@ #include <linux/hw_breakpoint.h> #include <linux/uaccess.h> #include <linux/elf-randomize.h> +#include <linux/pkeys.h> #include <asm/pgtable.h> #include <asm/io.h> @@ -57,6 +58,7 @@ #include <asm/debug.h> #ifdef CONFIG_PPC64 #include <asm/firmware.h> +#include <asm/hw_irq.h> #endif #include <asm/code-patching.h> #include <asm/exec.h> @@ -1102,6 +1104,8 @@ static inline void save_sprs(struct thread_struct *t) t->tar = mfspr(SPRN_TAR); } #endif + + thread_pkey_regs_save(t); } static inline void restore_sprs(struct thread_struct *old_thread, @@ -1141,6 +1145,8 @@ static inline void restore_sprs(struct thread_struct *old_thread, old_thread->tidr != new_thread->tidr) mtspr(SPRN_TIDR, new_thread->tidr); #endif + + thread_pkey_regs_restore(new_thread, old_thread); } #ifdef CONFIG_PPC_BOOK3S_64 @@ -1409,7 +1415,7 @@ void show_regs(struct pt_regs * regs) print_msr_bits(regs->msr); pr_cont(" CR: %08lx XER: %08lx\n", regs->ccr, regs->xer); trap = TRAP(regs); - if ((regs->trap != 0xc00) && cpu_has_feature(CPU_FTR_CFAR)) + if ((TRAP(regs) != 0xc00) && cpu_has_feature(CPU_FTR_CFAR)) pr_cont("CFAR: "REG" ", regs->orig_gpr3); if (trap == 0x200 || trap == 0x300 || trap == 0x600) #if defined(CONFIG_4xx) || defined(CONFIG_BOOKE) @@ -1589,6 +1595,7 @@ int set_thread_tidr(struct task_struct *t) return 0; } +EXPORT_SYMBOL_GPL(set_thread_tidr); #endif /* CONFIG_PPC64 */ @@ -1674,7 +1681,7 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, childregs->gpr[14] = ppc_function_entry((void *)usp); #ifdef CONFIG_PPC64 clear_tsk_thread_flag(p, TIF_32BIT); - childregs->softe = 1; + childregs->softe = IRQS_ENABLED; #endif childregs->gpr[15] = kthread_arg; p->thread.regs = NULL; /* no user register state */ @@ -1865,6 +1872,8 @@ void start_thread(struct pt_regs *regs, unsigned long start, unsigned long sp) current->thread.tm_tfiar = 0; current->thread.load_tm = 0; #endif /* CONFIG_PPC_TRANSACTIONAL_MEM */ + + thread_pkey_regs_init(¤t->thread); } EXPORT_SYMBOL(start_thread); |