On Wed, 2015-01-21 at 13:23 -0200, Thadeu Lima de Souza Cascardo wrote:
> diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
> index fac88ed..f942a19 100644
> --- a/arch/powerpc/platforms/powernv/pci-ioda.c
> +++ b/arch/powerpc/platforms/powernv/pci-ioda.c
> @@ -75,6 +75,27 @@ static void pe_level_printk(const struct pnv_ioda_pe *pe, const char *level,
> #define pe_info(pe, fmt, ...) \
> pe_level_printk(pe, KERN_INFO, fmt, ##__VA_ARGS__)
>
> +static bool pnv_iommu_bypass_disabled __read_mostly;
> +
> +static int __init iommu_setup(char *str)
> +{
> + if (!str)
> + return -EINVAL;
> + while (*str) {
> + if (!strncmp(str, "nobypass", 8)) {
> + pnv_iommu_bypass_disabled = true;
> + pr_info("PowerNV: IOMMU bypass window disabled.\n");
I added a break here.
> + }
> + str += strcspn(str, ",");
> + if (*str == ',')
> + str++;
> + }
> +
> + return 0;
> +}
> +
> +early_param("iommu", iommu_setup);
cheers
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