On Mon, 8 Jan 2018, Willy Tarreau wrote:
> This flag indicates that the task will not use isolated page tables.
>
> Signed-off-by: Willy Tarreau <[email protected]>
> ---
> arch/x86/include/asm/thread_info.h | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/arch/x86/include/asm/thread_info.h
> b/arch/x86/include/asm/thread_info.h
> index 0022333..2f92cf1 100644
> --- a/arch/x86/include/asm/thread_info.h
> +++ b/arch/x86/include/asm/thread_info.h
> @@ -126,6 +126,14 @@ struct thread_info {
> #define _TIF_X32 (1 << TIF_X32)
> #define _TIF_FSCHECK (1 << TIF_FSCHECK)
>
> +/* The following flags only exist on x86-64. We can't use the shift anymore
Please do not use this horrible comment syle
And what's wrong with (1UL << 32)?
> + * due to C using signed ints by default and asm using unsigned longs.
> + */
> +#ifdef CONFIG_X86_64
> +# define TIF_NOPTI 32 /* disable PTI for this task */
No tail comments please.
> +# define _TIF_NOPTI 0x0000000100000000
> +#endif
> +
Thanks,
tglx
