From: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
To: dan.j.williams@intel.com
Cc: linux-nvdimm@lists.01.org,
"Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
Subject: [PATCH v3 5/6] libnvdimm/namespace: Align DPA based on arch restrictions
Date: Wed, 8 Jan 2020 12:22:18 +0530 [thread overview]
Message-ID: <20200108065219.171221-5-aneesh.kumar@linux.ibm.com> (raw)
In-Reply-To: <20200108065219.171221-1-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 99e6140bb19d..dd2d65c76fcf 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:[~2020-01-08 6:52 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-08 6:52 [PATCH v3 1/6] libnvdimm/namespace: Make namespace size validation arch dependent Aneesh Kumar K.V
2020-01-08 6:52 ` [PATCH v3 2/6] libnvdimm/namespace: Validate namespace start addr and size Aneesh Kumar K.V
2020-01-08 6:52 ` [PATCH v3 3/6] libnvdimm/namespace: Validate namespace size when creating new namespace Aneesh Kumar K.V
2020-01-08 6:52 ` [PATCH v3 4/6] libnvdimm/namespace: Add debug check while initializing namespace resource size Aneesh Kumar K.V
2020-01-08 6:52 ` Aneesh Kumar K.V [this message]
2020-01-08 6:52 ` [PATCH v3 6/6] libnvdimm/namespace: Expose arch specific supported size align value Aneesh Kumar K.V
2020-01-10 20:38 ` [PATCH v3 1/6] libnvdimm/namespace: Make namespace size validation arch dependent Jeff Moyer
2020-01-10 21:03 ` Dan Williams
2020-01-11 4:29 ` Aneesh Kumar K.V
2020-01-11 4:33 ` Aneesh Kumar K.V
2020-01-11 4:55 ` Dan Williams
2020-01-13 15:08 ` Aneesh Kumar K.V
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