From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hanjun Guo Subject: Re: [PATCH v3 2/2] acpi/iort: numa: Add numa node mapping for smmuv3 devices Date: Sat, 22 Jul 2017 11:23:59 +0800 Message-ID: <5972C54F.6030000@huawei.com> References: <1496897059-8272-1-git-send-email-ganapatrao.kulkarni@cavium.com> <1496897059-8272-3-git-send-email-ganapatrao.kulkarni@cavium.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1496897059-8272-3-git-send-email-ganapatrao.kulkarni-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Ganapatrao Kulkarni , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Cc: rjw-LthD3rsA81gm4RdzfppkhA@public.gmane.org, gpkulkarni-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, Will.Deacon-5wv7dgnIgG8@public.gmane.org, jnair-M3mlKVOIwJVv6pq1l3V1OdBPR1lH4CV8@public.gmane.org, lv.zheng-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, sudeep.holla-5wv7dgnIgG8@public.gmane.org, lenb-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org List-Id: linux-acpi@vger.kernel.org Hi Ganapat, On 2017/6/8 12:44, Ganapatrao Kulkarni wrote: > Add code to parse proximity domain in SMMUv3 IORT table to > set numa node mapping for smmuv3 devices. > > Signed-off-by: Ganapatrao Kulkarni > --- > drivers/acpi/arm64/iort.c | 28 ++++++++++++++++++++++++++-- > 1 file changed, 26 insertions(+), 2 deletions(-) > > diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c > index bba2b59..e804386 100644 > --- a/drivers/acpi/arm64/iort.c > +++ b/drivers/acpi/arm64/iort.c > @@ -882,6 +882,23 @@ static bool __init arm_smmu_v3_is_coherent(struct acpi_iort_node *node) > return smmu->flags & ACPI_IORT_SMMU_V3_COHACC_OVERRIDE; > } > > +/* > + * set numa proximity domain for smmuv3 device > + */ > +static void __init arm_smmu_v3_set_proximity(struct acpi_iort_node *node, > + struct device *dev) > +{ > + struct acpi_iort_smmu_v3 *smmu; > + > + smmu = (struct acpi_iort_smmu_v3 *)node->node_data; > + if (smmu->flags & ACPI_IORT_SMMU_V3_PXM_VALID) { > + set_dev_node(dev, acpi_map_pxm_to_node(smmu->pxm)); ^^ Will have compile error in !CONFIG_NUMA, I think we need to introduce a stub function in acpi_numa.h. Thanks Hanjun