Re: [PATCH] x86/UV: Fix conditional in gru_exit

From: Ingo Molnar
Date: Fri Mar 21 2014 - 03:56:02 EST



* Dimitri Sivanich <sivanich@xxxxxxx> wrote:

> Fix conditional in gru_exit to match gru_init.
>
> Signed-off-by: Dimitri Sivanich <sivanich@xxxxxxx>
> ---
> drivers/misc/sgi-gru/grufile.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> Index: linux/drivers/misc/sgi-gru/grufile.c
> ===================================================================
> --- linux.orig/drivers/misc/sgi-gru/grufile.c
> +++ linux/drivers/misc/sgi-gru/grufile.c
> @@ -573,7 +573,7 @@ exit0:
>
> static void __exit gru_exit(void)
> {
> - if (!is_uv_system())
> + if (!is_uv_system() || (is_uvx_hub() && !is_uv2_hub()))
> return;

Such an amalgation of three system specific conditionals is
disgusting, please at minimum factor out a helper routine so that such
mismatches cannot happen.

Thanks,

Ingo
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