diff options
| -rw-r--r-- | arch/arm64/include/asm/ptrace.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/ptrace.h b/arch/arm64/include/asm/ptrace.h index 0abe975d68a8..10eca3a3fed4 100644 --- a/arch/arm64/include/asm/ptrace.h +++ b/arch/arm64/include/asm/ptrace.h @@ -149,8 +149,7 @@ static inline unsigned long pstate_to_compat_psr(const unsigned long pstate) /* * This struct defines the way the registers are stored on the stack during an - * exception. Note that sizeof(struct pt_regs) has to be a multiple of 16 (for - * stack alignment). struct user_pt_regs must form a prefix of struct pt_regs. + * exception. struct user_pt_regs must form a prefix of struct pt_regs. */ struct pt_regs { union { @@ -180,6 +179,9 @@ struct pt_regs { u64 exit_rcu; }; +/* For correct stack alignment, pt_regs has to be a multiple of 16 bytes. */ +static_assert(IS_ALIGNED(sizeof(struct pt_regs), 16)); + static inline bool in_syscall(struct pt_regs const *regs) { return regs->syscallno != NO_SYSCALL; |