The sketchy bypass uses 256M pages so add this page size as well.
This should cause no behavioral change but will be used later.
Fixes: 477afd6ea6 "powerpc/ioda: Use ibm,supported-tce-sizes for IOMMU page size mask"
Signed-off-by: Alexey Kardashevskiy <[email protected]>
---
arch/powerpc/platforms/powernv/pci-ioda.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index 5bd0eb6..557c11d 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -2925,7 +2925,7 @@ static unsigned long pnv_ioda_parse_tce_sizes(struct pnv_phb *phb)
/* Add 16M for POWER8 by default */
if (cpu_has_feature(CPU_FTR_ARCH_207S) &&
!cpu_has_feature(CPU_FTR_ARCH_300))
- mask |= SZ_16M;
+ mask |= SZ_16M | SZ_256M;
return mask;
}
--
2.11.0
On Mon, 2 Jul 2018 17:42:05 +1000
Alexey Kardashevskiy <[email protected]> wrote:
> The sketchy bypass uses 256M pages so add this page size as well.
>
> This should cause no behavioral change but will be used later.
>
> Fixes: 477afd6ea6 "powerpc/ioda: Use ibm,supported-tce-sizes for IOMMU page size mask"
> Signed-off-by: Alexey Kardashevskiy <[email protected]>
> ---
> arch/powerpc/platforms/powernv/pci-ioda.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
> index 5bd0eb6..557c11d 100644
> --- a/arch/powerpc/platforms/powernv/pci-ioda.c
> +++ b/arch/powerpc/platforms/powernv/pci-ioda.c
> @@ -2925,7 +2925,7 @@ static unsigned long pnv_ioda_parse_tce_sizes(struct pnv_phb *phb)
> /* Add 16M for POWER8 by default */
> if (cpu_has_feature(CPU_FTR_ARCH_207S) &&
> !cpu_has_feature(CPU_FTR_ARCH_300))
> - mask |= SZ_16M;
> + mask |= SZ_16M | SZ_256M;
Ping?
> return mask;
> }
>
> --
> 2.11.0
>
--
Alexey
On Mon, 2018-07-02 at 17:42 +1000, Alexey Kardashevskiy wrote:
> The sketchy bypass uses 256M pages so add this page size as well.
>
> This should cause no behavioral change but will be used later.
>
> Fixes: 477afd6ea6 "powerpc/ioda: Use ibm,supported-tce-sizes for
> IOMMU page size mask"
> Signed-off-by: Alexey Kardashevskiy <[email protected]>
Reviewed-by: Russell Currey <[email protected]>
> ---
> arch/powerpc/platforms/powernv/pci-ioda.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c
> b/arch/powerpc/platforms/powernv/pci-ioda.c
> index 5bd0eb6..557c11d 100644
> --- a/arch/powerpc/platforms/powernv/pci-ioda.c
> +++ b/arch/powerpc/platforms/powernv/pci-ioda.c
> @@ -2925,7 +2925,7 @@ static unsigned long
> pnv_ioda_parse_tce_sizes(struct pnv_phb *phb)
> /* Add 16M for POWER8 by default */
> if (cpu_has_feature(CPU_FTR_ARCH_207S) &&
> !cpu_has_feature(CPU_FTR_ARCH_300))
> - mask |= SZ_16M;
> + mask |= SZ_16M | SZ_256M;
> return mask;
> }
>
On Mon, 2018-07-02 at 07:42:05 UTC, Alexey Kardashevskiy wrote:
> The sketchy bypass uses 256M pages so add this page size as well.
>
> This should cause no behavioral change but will be used later.
>
> Fixes: 477afd6ea6 "powerpc/ioda: Use ibm,supported-tce-sizes for IOMMU page size mask"
> Signed-off-by: Alexey Kardashevskiy <[email protected]>
Applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/00c376fdd7ed6cc083da3a3c51a63a
cheers