diff options
Diffstat (limited to 'arch/arm64/include/asm/processor.h')
| -rw-r--r-- | arch/arm64/include/asm/processor.h | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h index d2c37a1df0eb..e4c893e54f01 100644 --- a/arch/arm64/include/asm/processor.h +++ b/arch/arm64/include/asm/processor.h @@ -78,13 +78,30 @@ struct cpu_context { struct thread_struct { struct cpu_context cpu_context; /* cpu context */ - unsigned long tp_value; + unsigned long tp_value; /* TLS register */ +#ifdef CONFIG_COMPAT + unsigned long tp2_value; +#endif struct fpsimd_state fpsimd_state; unsigned long fault_address; /* fault info */ unsigned long fault_code; /* ESR_EL1 value */ struct debug_info debug; /* debugging */ }; +#ifdef CONFIG_COMPAT +#define task_user_tls(t) \ +({ \ + unsigned long *__tls; \ + if (is_compat_thread(task_thread_info(t))) \ + __tls = &(t)->thread.tp2_value; \ + else \ + __tls = &(t)->thread.tp_value; \ + __tls; \ + }) +#else +#define task_user_tls(t) (&(t)->thread.tp_value) +#endif + #define INIT_THREAD { } static inline void start_thread_common(struct pt_regs *regs, unsigned long pc) |