On Mon, Jun 18, 2018 at 01:03:04PM +0100, Mark Rutland wrote:
> diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
> index 73810808cdf2..14312d334345 100644
> --- a/include/linux/syscalls.h
> +++ b/include/linux/syscalls.h
> @@ -80,6 +80,7 @@ union bpf_attr;
> #include <linux/unistd.h>
> #include <linux/quota.h>
> #include <linux/key.h>
> +#include <linux/personality.h>
> #include <trace/syscall.h>
>
> #ifdef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
> @@ -1277,4 +1278,14 @@ static inline long ksys_truncate(const char __user *pathname, loff_t length)
> return do_sys_truncate(pathname, length);
> }
>
> +static inline unsigned int ksys_personality(unsigned int personality)
> +{
> + unsigned int old = current->personality;
> +
> + if (personality != 0xffffffff)
> + set_personality(personality);
> +
> + return old;
> +}
> +
> #endif
It looks like this is identical to sys_personality() in
kernel/exec_domain.c. Should you call ksys_personality() from there
directly (a few lines saved)?
--
Catalin
