From: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
To: dan.j.williams@intel.com, vishal.l.verma@intel.com, jmoyer@redhat.com
Cc: linux-nvdimm@lists.01.org,
"Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
Subject: [PATCH v4 5/6] libnvdimm/namespace: Align DPA based on arch restrictions
Date: Mon, 20 Jan 2020 19:37:48 +0530 [thread overview]
Message-ID: <20200120140749.69549-6-aneesh.kumar@linux.ibm.com> (raw)
In-Reply-To: <20200120140749.69549-1-aneesh.kumar@linux.ibm.com>
When creating new namespace make sure DPA address are properly aligned based
on arch restrictions.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
---
drivers/nvdimm/namespace_devs.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c
index e318566ae135..59169d914b86 100644
--- a/drivers/nvdimm/namespace_devs.c
+++ b/drivers/nvdimm/namespace_devs.c
@@ -563,6 +563,8 @@ static void space_valid(struct nd_region *nd_region, struct nvdimm_drvdata *ndd,
return;
}
+ valid->start = ALIGN(valid->start, arch_namespace_align_size());
+
/* allocation needs to be contiguous, so this is all or nothing */
if (resource_size(valid) < n)
goto invalid;
--
2.24.1
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next prev parent reply other threads:[~2020-01-20 14:08 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-20 14:07 [PATCH v4 0/6] Validating namespace size and start address attributes Aneesh Kumar K.V
2020-01-20 14:07 ` [PATCH v4 1/6] libnvdimm/namespace: Make namespace size validation arch dependent Aneesh Kumar K.V
2020-01-24 5:57 ` Dan Williams
2020-01-24 7:34 ` Aneesh Kumar K.V
2020-01-24 16:45 ` Dan Williams
2020-01-24 17:07 ` Aneesh Kumar K.V
2020-01-24 17:07 ` Aneesh Kumar K.V
2020-01-24 18:25 ` Dan Williams
2020-01-24 18:25 ` Dan Williams
2020-01-26 11:41 ` Aneesh Kumar K.V
2020-01-26 11:41 ` Aneesh Kumar K.V
2020-01-24 17:08 ` Aneesh Kumar K.V
2020-01-20 14:07 ` [PATCH v4 2/6] libnvdimm/namespace: Validate namespace start addr and size Aneesh Kumar K.V
2020-01-25 1:55 ` Dan Williams
2020-01-20 14:07 ` [PATCH v4 3/6] libnvdimm/namespace: Add arch dependent callback for namespace create time validation Aneesh Kumar K.V
2020-01-25 1:59 ` Dan Williams
2020-01-20 14:07 ` [PATCH v4 4/6] libnvdimm/namespace: Validate namespace size when creating a new namespace Aneesh Kumar K.V
2020-01-25 2:22 ` Dan Williams
2020-01-20 14:07 ` Aneesh Kumar K.V [this message]
2020-01-20 14:07 ` [PATCH v4 6/6] libnvdimm/namespace: Expose arch specific supported size align value Aneesh Kumar K.V
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