diff options
| author | Will Deacon <will@kernel.org> | 2024-09-12 13:44:03 +0100 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2024-09-12 13:44:03 +0100 |
| commit | 75078ba2b38a38d94017bd334f71aaed205e30a4 (patch) | |
| tree | ba712404a7e4d6d6859315a47441f0e25a1e473b /arch/arm64/include/asm | |
| parent | 2ef52ca02cfb1d13dbdfb96878fabe3a420b3da7 (diff) | |
| parent | 3e9e67e129434fdeae905a5b60648d10126c4a8d (diff) | |
Merge branch 'for-next/timers' into for-next/core
* for-next/timers:
arm64: Implement prctl(PR_{G,S}ET_TSC)
Diffstat (limited to 'arch/arm64/include/asm')
| -rw-r--r-- | arch/arm64/include/asm/processor.h | 5 | ||||
| -rw-r--r-- | arch/arm64/include/asm/thread_info.h | 2 |
2 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h index e6376f979273..1438424f0064 100644 --- a/arch/arm64/include/asm/processor.h +++ b/arch/arm64/include/asm/processor.h @@ -403,5 +403,10 @@ long get_tagged_addr_ctrl(struct task_struct *task); #define GET_TAGGED_ADDR_CTRL() get_tagged_addr_ctrl(current) #endif +int get_tsc_mode(unsigned long adr); +int set_tsc_mode(unsigned int val); +#define GET_TSC_CTL(adr) get_tsc_mode((adr)) +#define SET_TSC_CTL(val) set_tsc_mode((val)) + #endif /* __ASSEMBLY__ */ #endif /* __ASM_PROCESSOR_H */ diff --git a/arch/arm64/include/asm/thread_info.h b/arch/arm64/include/asm/thread_info.h index e72a3bf9e563..1114c1c3300a 100644 --- a/arch/arm64/include/asm/thread_info.h +++ b/arch/arm64/include/asm/thread_info.h @@ -81,6 +81,7 @@ void arch_setup_new_exec(void); #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_TSC_SIGSEGV 30 /* SIGSEGV on counter-timer access */ #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) @@ -97,6 +98,7 @@ void arch_setup_new_exec(void); #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_TSC_SIGSEGV (1 << TIF_TSC_SIGSEGV) #define _TIF_WORK_MASK (_TIF_NEED_RESCHED | _TIF_SIGPENDING | \ _TIF_NOTIFY_RESUME | _TIF_FOREIGN_FPSTATE | \ |