Re: [PATCH v15 04/13] arch/x86: add syscall_get_arch to syscall.h

From: H. Peter Anvin
Date: Tue Apr 10 2012 - 23:17:21 EST


On 04/10/2012 08:13 PM, Will Drewry wrote:
>
> Now that I've seen is_ia32_task(), it appears to be exactly the same as above:
> (1) If we're x86_32, it's ia32
> (2) If we're x86_64, ia32 == !!(status & TS_COMPAT)
> (3) Otherwise, it's x86_64, including x32
>
> Am I missing something? Should is_ia32_task(void) take a task_struct?
> Right now, I don't see any reason to change the code, as posted, but
> maybe I am mis-reading?
>

is_compat_task() is true for x32, is_ia32_task() is false.

-hpa

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/