From: ira.weiny@intel.com
To: linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org,
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Cc: "Martin Brandenburg" <martin@omnibond.com>,
"Rich Felker" <dalias@libc.org>,
"David Hildenbrand" <david@redhat.com>,
"David Airlie" <airlied@linux.ie>,
"Jason Wang" <jasowang@redhat.com>,
"Kai Mäkisara" <Kai.Makisara@kolumbus.fi>,
"Michal Hocko" <mhocko@suse.com>,
"Ira Weiny" <ira.weiny@intel.com>,
"Ben Chan" <benchan@chromium.org>,
"Rob Springer" <rspringer@google.com>,
"Todd Poynor" <toddpoynor@google.com>,
"Yoshinori Sato" <ysato@users.sourceforge.jp>,
"Michael S. Tsirkin" <mst@redhat.com>,
"Jason Gunthorpe" <jgg@ziepe.ca>,
"Ingo Molnar" <mingo@redhat.com>,
"Matt Porter" <mporter@kernel.crashing.org>,
"Wu Hao" <hao.wu@intel.com>, "Alan Tull" <atull@kernel.org>,
"John Hubbard" <jhubbard@nvidia.com>,
"James E.J. Bottomley" <jejb@linux.ibm.com>,
"Alex Williamson" <alex.williamson@redhat.com>,
"Stefano Stabellini" <sstabellini@kernel.org>,
"Borislav Petkov" <bp@alien8.de>
Subject: [PATCH V2 6/7] IB/qib: Use the new FOLL_LONGTERM flag to get_user_pages_fast()
Date: Wed, 13 Feb 2019 23:04:54 +0000 [thread overview]
Message-ID: <20190213230455.5605-7-ira.weiny@intel.com> (raw)
In-Reply-To: <20190213230455.5605-1-ira.weiny@intel.com>
From: Ira Weiny <ira.weiny@intel.com>
Use the new FOLL_LONGTERM to get_user_pages_fast() to protect against
FS DAX pages being mapped.
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
---
drivers/infiniband/hw/qib/qib_user_sdma.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/qib/qib_user_sdma.c b/drivers/infiniband/hw/qib/qib_user_sdma.c
index 31c523b2a9f5..b53cc0240e02 100644
--- a/drivers/infiniband/hw/qib/qib_user_sdma.c
+++ b/drivers/infiniband/hw/qib/qib_user_sdma.c
@@ -673,7 +673,7 @@ static int qib_user_sdma_pin_pages(const struct qib_devdata *dd,
else
j = npages;
- ret = get_user_pages_fast(addr, j, 0, pages);
+ ret = get_user_pages_fast(addr, j, FOLL_LONGTERM, pages);
if (ret != j) {
i = 0;
j = ret;
--
2.20.1
next prev parent reply other threads:[~2019-02-13 23:04 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20190211201643.7599-1-ira.weiny@intel.com>
2019-02-13 23:04 ` [PATCH V2 0/7] Add FOLL_LONGTERM to GUP fast and use it ira.weiny
2019-02-13 23:04 ` [PATCH V2 1/7] mm/gup: Replace get_user_pages_longterm() with FOLL_LONGTERM ira.weiny
2019-02-13 23:04 ` [PATCH V2 2/7] mm/gup: Change write parameter to flags in fast walk ira.weiny
2019-02-13 23:04 ` [PATCH V2 3/7] mm/gup: Change GUP fast to use flags rather than a write 'bool' ira.weiny
2019-02-13 23:04 ` [PATCH V2 4/7] mm/gup: Add FOLL_LONGTERM capability to GUP fast ira.weiny
2019-02-13 23:04 ` [PATCH V2 5/7] IB/hfi1: Use the new FOLL_LONGTERM flag to get_user_pages_fast() ira.weiny
2019-02-13 23:04 ` ira.weiny [this message]
2019-02-13 23:04 ` [PATCH V2 7/7] IB/mthca: " ira.weiny
2019-02-15 18:29 ` [PATCH V2 0/7] Add FOLL_LONGTERM to GUP fast and use it Ira Weiny
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