Hi Akashi,
On Fri, Jan 17, 2014 at 08:13:17AM +0000, AKASHI Takahiro wrote:
> Generic audit code also support compat system calls now.
> This patch adds a small piece of architecture dependent code.
[...]
> static inline int syscall_get_nr(struct task_struct *task,
> @@ -109,6 +110,15 @@ static inline void syscall_set_arguments(struct
> task_struct *task,
> static inline int syscall_get_arch(struct task_struct *task,
> struct pt_regs *regs)
> {
> +#ifdef CONFIG_COMPAT
> + if (is_compat_thread(task_thread_info(task)))
You can call is_compat_thread even when !CONFIG_COMPAT, so you don't need
that #ifdef.
> +#ifdef __AARCH64EB__
> + return AUDIT_ARCH_ARMEB; /* only BE on BE */
Well, actually, we only support userspace to be the same endianness as the
kernel, so you that comment is slightly misleading. You could probably avoid
these repeated ifdefs by defining things like ARM64_AUDIT_ARCH and
ARM64_COMPAT_AUDIT_ARCH once depending on endianness.
Will
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