diff options
Diffstat (limited to 'arch/arm64/include/asm/thread_info.h')
| -rw-r--r-- | arch/arm64/include/asm/thread_info.h | 39 |
1 files changed, 26 insertions, 13 deletions
diff --git a/arch/arm64/include/asm/thread_info.h b/arch/arm64/include/asm/thread_info.h index f0cec4160136..e72a3bf9e563 100644 --- a/arch/arm64/include/asm/thread_info.h +++ b/arch/arm64/include/asm/thread_info.h @@ -18,14 +18,11 @@ struct task_struct; #include <asm/stack_pointer.h> #include <asm/types.h> -typedef unsigned long mm_segment_t; - /* * low level task data that entry.S needs immediate access to. */ struct thread_info { unsigned long flags; /* low level flags */ - mm_segment_t addr_limit; /* address limit */ #ifdef CONFIG_ARM64_SW_TTBR0_PAN u64 ttbr0; /* saved TTBR0_EL1 */ #endif @@ -41,6 +38,11 @@ struct thread_info { #endif } preempt; }; +#ifdef CONFIG_SHADOW_CALL_STACK + void *scs_base; + void *scs_sp; +#endif + u32 cpu; }; #define thread_saved_pc(tsk) \ @@ -53,8 +55,6 @@ struct thread_info { void arch_setup_new_exec(void); #define arch_setup_new_exec arch_setup_new_exec -void arch_release_task_struct(struct task_struct *tsk); - #endif #define TIF_SIGPENDING 0 /* signal pending */ @@ -62,8 +62,8 @@ void arch_release_task_struct(struct task_struct *tsk); #define TIF_NOTIFY_RESUME 2 /* callback before returning to user */ #define TIF_FOREIGN_FPSTATE 3 /* CPU's FP state is not current's */ #define TIF_UPROBE 4 /* uprobe breakpoint or singlestep */ -#define TIF_FSCHECK 5 /* Check FS is USER_DS on return */ -#define TIF_NOHZ 7 +#define TIF_MTE_ASYNC_FAULT 5 /* MTE Asynchronous Tag Check Fault */ +#define TIF_NOTIFY_SIGNAL 6 /* signal notifications exist */ #define TIF_SYSCALL_TRACE 8 /* syscall trace active */ #define TIF_SYSCALL_AUDIT 9 /* syscall auditing */ #define TIF_SYSCALL_TRACEPOINT 10 /* syscall tracepoint for ftrace */ @@ -75,38 +75,51 @@ void arch_release_task_struct(struct task_struct *tsk); #define TIF_SINGLESTEP 21 #define TIF_32BIT 22 /* 32bit process */ #define TIF_SVE 23 /* Scalable Vector Extension in use */ -#define TIF_SVE_VL_INHERIT 24 /* Inherit sve_vl_onexec across exec */ +#define TIF_SVE_VL_INHERIT 24 /* Inherit SVE vl_onexec across exec */ #define TIF_SSBD 25 /* Wants SSB mitigation */ #define TIF_TAGGED_ADDR 26 /* Allow tagged user addresses */ +#define TIF_SME 27 /* SME in use */ +#define TIF_SME_VL_INHERIT 28 /* Inherit SME vl_onexec across exec */ +#define TIF_KERNEL_FPSTATE 29 /* Task is in a kernel mode FPSIMD section */ #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) #define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) #define _TIF_FOREIGN_FPSTATE (1 << TIF_FOREIGN_FPSTATE) -#define _TIF_NOHZ (1 << TIF_NOHZ) #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) #define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT) #define _TIF_SYSCALL_TRACEPOINT (1 << TIF_SYSCALL_TRACEPOINT) #define _TIF_SECCOMP (1 << TIF_SECCOMP) #define _TIF_SYSCALL_EMU (1 << TIF_SYSCALL_EMU) #define _TIF_UPROBE (1 << TIF_UPROBE) -#define _TIF_FSCHECK (1 << TIF_FSCHECK) +#define _TIF_SINGLESTEP (1 << TIF_SINGLESTEP) #define _TIF_32BIT (1 << TIF_32BIT) #define _TIF_SVE (1 << TIF_SVE) +#define _TIF_MTE_ASYNC_FAULT (1 << TIF_MTE_ASYNC_FAULT) +#define _TIF_NOTIFY_SIGNAL (1 << TIF_NOTIFY_SIGNAL) #define _TIF_WORK_MASK (_TIF_NEED_RESCHED | _TIF_SIGPENDING | \ _TIF_NOTIFY_RESUME | _TIF_FOREIGN_FPSTATE | \ - _TIF_UPROBE | _TIF_FSCHECK) + _TIF_UPROBE | _TIF_MTE_ASYNC_FAULT | \ + _TIF_NOTIFY_SIGNAL) #define _TIF_SYSCALL_WORK (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | \ _TIF_SYSCALL_TRACEPOINT | _TIF_SECCOMP | \ - _TIF_NOHZ | _TIF_SYSCALL_EMU) + _TIF_SYSCALL_EMU) + +#ifdef CONFIG_SHADOW_CALL_STACK +#define INIT_SCS \ + .scs_base = init_shadow_call_stack, \ + .scs_sp = init_shadow_call_stack, +#else +#define INIT_SCS +#endif #define INIT_THREAD_INFO(tsk) \ { \ .flags = _TIF_FOREIGN_FPSTATE, \ .preempt_count = INIT_PREEMPT_COUNT, \ - .addr_limit = KERNEL_DS, \ + INIT_SCS \ } #endif /* __ASM_THREAD_INFO_H */ |