Re: [PATCH] x66, UV: Enable 64-bit ACPI MFCG support for SGI UV2platform

From: Ingo Molnar
Date: Fri Jun 03 2011 - 04:29:27 EST



* Jack Steiner <steiner@xxxxxxx> wrote:

> Enable 64-bit ACPI MFCG support for SGI UV2 platform. The check is similar
> to the check on UV1. UV2 has a different oem_id string.
>
> Signed-off-by: Jack Steiner <steiner@xxxxxxx>
>
>
> ---
> arch/x86/pci/mmconfig-shared.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> Index: linux/arch/x86/pci/mmconfig-shared.c
> ===================================================================
> --- linux.orig/arch/x86/pci/mmconfig-shared.c 2011-05-31 12:13:19.635285219 -0500
> +++ linux/arch/x86/pci/mmconfig-shared.c 2011-06-02 14:41:26.645034257 -0500
> @@ -519,7 +519,8 @@ static int __init acpi_mcfg_check_entry(
> if (cfg->address < 0xFFFFFFFF)
> return 0;
>
> - if (!strcmp(mcfg->header.oem_id, "SGI"))
> + if (!strcmp(mcfg->header.oem_id, "SGI") ||
> + !strcmp(mcfg->header.oem_id, "SGI2"))

Wouldnt strncmp(,,3) cover any future SGI3, SGI4 strings as well?

Thanks,

Ingo
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