diff options
Diffstat (limited to 'arch/riscv/include/asm/entry-common.h')
| -rw-r--r-- | arch/riscv/include/asm/entry-common.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/entry-common.h b/arch/riscv/include/asm/entry-common.h index 7ab5e34318..2293e535f8 100644 --- a/arch/riscv/include/asm/entry-common.h +++ b/arch/riscv/include/asm/entry-common.h @@ -4,6 +4,23 @@ #define _ASM_RISCV_ENTRY_COMMON_H #include <asm/stacktrace.h> +#include <asm/thread_info.h> +#include <asm/vector.h> + +static inline void arch_exit_to_user_mode_prepare(struct pt_regs *regs, + unsigned long ti_work) +{ + if (ti_work & _TIF_RISCV_V_DEFER_RESTORE) { + clear_thread_flag(TIF_RISCV_V_DEFER_RESTORE); + /* + * We are already called with irq disabled, so go without + * keeping track of riscv_v_flags. + */ + riscv_v_vstate_restore(¤t->thread.vstate, regs); + } +} + +#define arch_exit_to_user_mode_prepare arch_exit_to_user_mode_prepare void handle_page_fault(struct pt_regs *regs); void handle_break(struct pt_regs *regs); |