Re: [gcv v3 25/35] powerpc: Replace __get_cpu_var uses
From: Geert Uytterhoeven
Date: Wed Aug 28 2013 - 17:18:59 EST
On Wed, Aug 28, 2013 at 9:48 PM, Christoph Lameter <cl@xxxxxxxxx> wrote:
> 4. Retrieve the content of a percpu struct
>
> DEFINE_PER_CPU(struct mystruct, y);
> struct mystruct x = __get_cpu_var(y);
>
> Converts to
>
> memcpy(this_cpu_ptr(&x), y, sizeof(x));
Still not correct. I think it should be
memcpy(x, this_cpu_ptr(&y), sizeof(x));
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
--
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/