From: ira.weiny@intel.com
To: John Hubbard <jhubbard@nvidia.com>,
Andrew Morton <akpm@linux-foundation.org>,
Michal Hocko <mhocko@suse.com>,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
Peter Zijlstra <peterz@infradead.org>,
Jason Gunthorpe <jgg@ziepe.ca>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
"David S. Miller" <davem@davemloft.net>,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
Rich Felker <dalias@libc.org>,
Yoshinori Sato <ysato@users.sourceforge.jp>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Ralf Baechle <ralf@linux-mips.org>,
Paul Burton <paul.burton@mips.com>,
James Hogan <jhogan@kernel.org>
Cc: linux-fbdev@vger.kernel.org, kvm@vger.kernel.org,
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dri-devel@lists.freedesktop.org, linux-mips@vger.kernel.org,
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Ira Weiny <ira.weiny@intel.com>,
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linuxppc-dev@lists.ozlabs.org
Subject: [RESEND PATCH 6/7] IB/qib: Use the new FOLL_LONGTERM flag to get_user_pages_fast()
Date: Tue, 19 Feb 2019 21:30:39 -0800 [thread overview]
Message-ID: <20190220053040.10831-7-ira.weiny__10363.2108004362$1550640728$gmane$org@intel.com> (raw)
In-Reply-To: <20190220053040.10831-1-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
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next prev parent reply other threads:[~2019-02-20 5:30 UTC|newest]
Thread overview: 187+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-20 5:30 [RESEND PATCH 0/7] Add FOLL_LONGTERM to GUP fast and use it ira.weiny
2019-02-20 5:30 ` ira.weiny
2019-02-20 5:30 ` ira.weiny
2019-02-20 5:30 ` ira.weiny
2019-02-20 5:30 ` [RESEND PATCH 1/7] mm/gup: Replace get_user_pages_longterm() with FOLL_LONGTERM ira.weiny
2019-02-20 5:30 ` ira.weiny
2019-02-20 5:30 ` ira.weiny
2019-02-20 5:30 ` ira.weiny
2019-02-20 5:30 ` ira.weiny
2019-02-20 5:30 ` [RESEND PATCH 2/7] mm/gup: Change write parameter to flags in fast walk ira.weiny
2019-02-20 5:30 ` ira.weiny
2019-02-20 5:30 ` ira.weiny
2019-02-20 5:30 ` ira.weiny
2019-02-20 5:30 ` ira.weiny
2019-02-20 5:30 ` [RESEND PATCH 3/7] mm/gup: Change GUP fast to use flags rather than a write 'bool' ira.weiny
2019-02-20 5:30 ` ira.weiny
2019-02-20 5:30 ` ira.weiny
2019-02-20 5:30 ` ira.weiny
2019-02-20 5:30 ` ira.weiny
2019-02-20 19:29 ` Mike Marshall
2019-02-20 19:29 ` Mike Marshall
2019-02-20 19:29 ` Mike Marshall
2019-02-20 19:29 ` Mike Marshall
2019-02-20 19:29 ` Mike Marshall
2019-02-20 19:29 ` Mike Marshall
2019-02-21 3:18 ` Souptick Joarder
2019-02-21 3:18 ` Souptick Joarder
2019-02-21 3:30 ` Souptick Joarder
2019-02-21 3:18 ` Souptick Joarder
2019-02-21 3:18 ` Souptick Joarder
2019-02-21 3:18 ` Souptick Joarder
2019-02-21 22:24 ` Ira Weiny
2019-02-21 22:24 ` Ira Weiny
2019-02-21 22:24 ` Ira Weiny
2019-02-21 22:24 ` Ira Weiny
2019-02-21 22:24 ` Ira Weiny
2019-02-20 5:30 ` [RESEND PATCH 4/7] mm/gup: Add FOLL_LONGTERM capability to GUP fast ira.weiny
2019-02-20 5:30 ` ira.weiny
2019-02-20 5:30 ` ira.weiny
2019-02-20 5:30 ` ira.weiny
2019-02-20 5:30 ` ira.weiny
2019-02-20 5:30 ` [RESEND PATCH 5/7] IB/hfi1: Use the new FOLL_LONGTERM flag to get_user_pages_fast() ira.weiny
2019-02-20 5:30 ` ira.weiny
2019-02-20 5:30 ` ira.weiny
2019-02-20 5:30 ` ira.weiny
2019-02-20 5:30 ` [RESEND PATCH 6/7] IB/qib: " ira.weiny
2019-02-20 5:30 ` ira.weiny
2019-02-20 5:30 ` ira.weiny
2019-02-20 5:30 ` ira.weiny
2019-02-20 5:30 ` ira.weiny [this message]
2019-02-20 5:30 ` [RESEND PATCH 7/7] IB/mthca: " ira.weiny
2019-02-20 5:30 ` ira.weiny
2019-02-20 5:30 ` ira.weiny
2019-02-20 5:30 ` ira.weiny
2019-02-20 5:30 ` ira.weiny
2019-02-20 15:19 ` [RESEND PATCH 0/7] Add FOLL_LONGTERM to GUP fast and use it Christoph Hellwig
2019-02-20 15:19 ` Christoph Hellwig
2019-02-20 15:19 ` Christoph Hellwig
2019-02-20 15:19 ` Christoph Hellwig
2019-02-20 18:02 ` Ira Weiny
2019-02-20 18:02 ` Ira Weiny
2019-02-20 18:02 ` Ira Weiny
2019-02-20 18:02 ` Ira Weiny
2019-02-20 18:02 ` Ira Weiny
2019-02-20 15:19 ` Christoph Hellwig
2019-02-20 15:19 ` Christoph Hellwig
2019-02-27 19:14 ` Ira Weiny
2019-02-27 19:14 ` Ira Weiny
2019-02-27 19:14 ` Ira Weiny
2019-02-27 19:14 ` Ira Weiny
2019-02-27 19:14 ` Ira Weiny
2019-03-17 18:34 ` ira.weiny
2019-03-17 18:34 ` ira.weiny
2019-03-17 18:34 ` ira.weiny
2019-03-17 18:34 ` [RESEND 1/7] mm/gup: Replace get_user_pages_longterm() with FOLL_LONGTERM ira.weiny
2019-03-17 18:34 ` ira.weiny
2019-03-17 18:34 ` ira.weiny
2019-03-22 21:24 ` Dan Williams
2019-03-22 21:24 ` Dan Williams
2019-03-22 21:24 ` Dan Williams
2019-03-22 21:24 ` Dan Williams
2019-03-22 21:24 ` Dan Williams
2019-03-25 6:19 ` Ira Weiny
2019-03-25 6:19 ` Ira Weiny
2019-03-25 6:19 ` Ira Weiny
2019-03-25 6:19 ` Ira Weiny
2019-03-25 16:45 ` Dan Williams
2019-03-25 16:45 ` Dan Williams
2019-03-25 16:45 ` Dan Williams
2019-03-25 16:45 ` Dan Williams
2019-03-25 16:45 ` Dan Williams
2019-03-25 8:46 ` Ira Weiny
2019-03-25 8:46 ` Ira Weiny
2019-03-25 8:46 ` Ira Weiny
2019-03-25 8:46 ` Ira Weiny
2019-03-25 10:27 ` Ira Weiny
2019-03-25 10:27 ` Ira Weiny
2019-03-25 10:27 ` Ira Weiny
2019-03-25 10:27 ` Ira Weiny
2019-03-17 18:34 ` [RESEND 2/7] mm/gup: Change write parameter to flags in fast walk ira.weiny
2019-03-17 18:34 ` ira.weiny
2019-03-17 18:34 ` ira.weiny
2019-03-22 21:30 ` Dan Williams
2019-03-22 21:30 ` Dan Williams
2019-03-22 21:30 ` Dan Williams
2019-03-22 21:30 ` Dan Williams
2019-03-22 21:30 ` Dan Williams
2019-03-17 18:34 ` [RESEND 3/7] mm/gup: Change GUP fast to use flags rather than a write 'bool' ira.weiny
2019-03-17 18:34 ` ira.weiny
2019-03-17 18:34 ` ira.weiny
2019-03-22 22:05 ` Dan Williams
2019-03-22 22:05 ` Dan Williams
2019-03-22 22:05 ` Dan Williams
2019-03-22 22:05 ` Dan Williams
2019-03-22 22:05 ` Dan Williams
2019-03-25 8:26 ` Ira Weiny
2019-03-25 8:26 ` Ira Weiny
2019-03-25 8:26 ` Ira Weiny
2019-03-25 8:26 ` Ira Weiny
2019-03-17 18:34 ` [RESEND 4/7] mm/gup: Add FOLL_LONGTERM capability to GUP fast ira.weiny
2019-03-17 18:34 ` ira.weiny
2019-03-17 18:34 ` ira.weiny
2019-03-22 22:12 ` Dan Williams
2019-03-22 22:12 ` Dan Williams
2019-03-22 22:12 ` Dan Williams
2019-03-22 22:12 ` Dan Williams
2019-03-22 22:12 ` Dan Williams
2019-03-25 8:42 ` Ira Weiny
2019-03-25 8:42 ` Ira Weiny
2019-03-25 8:42 ` Ira Weiny
2019-03-25 8:42 ` Ira Weiny
2019-03-25 16:47 ` Jason Gunthorpe
2019-03-25 16:47 ` Jason Gunthorpe
2019-03-25 16:47 ` Jason Gunthorpe
2019-03-25 16:47 ` Jason Gunthorpe
2019-03-25 9:23 ` Ira Weiny
2019-03-25 9:23 ` Ira Weiny
2019-03-25 9:23 ` Ira Weiny
2019-03-25 9:23 ` Ira Weiny
2019-03-25 17:51 ` Jason Gunthorpe
2019-03-25 17:51 ` Jason Gunthorpe
2019-03-25 17:51 ` Jason Gunthorpe
2019-03-25 17:51 ` Jason Gunthorpe
2019-03-25 14:21 ` Ira Weiny
2019-03-25 14:21 ` Ira Weiny
2019-03-25 14:21 ` Ira Weiny
2019-03-25 14:21 ` Ira Weiny
2019-03-25 22:36 ` Dan Williams
2019-03-25 22:36 ` Dan Williams
2019-03-25 22:36 ` Dan Williams
2019-03-25 22:36 ` Dan Williams
2019-03-25 22:36 ` Dan Williams
2019-03-25 14:54 ` Ira Weiny
2019-03-25 14:54 ` Ira Weiny
2019-03-25 14:54 ` Ira Weiny
2019-03-25 14:54 ` Ira Weiny
2019-03-17 18:34 ` [RESEND 5/7] IB/hfi1: Use the new FOLL_LONGTERM flag to get_user_pages_fast() ira.weiny
2019-03-17 18:34 ` ira.weiny
2019-03-17 18:34 ` ira.weiny
2019-03-22 22:14 ` Dan Williams
2019-03-22 22:14 ` Dan Williams
2019-03-22 22:14 ` Dan Williams
2019-03-22 22:14 ` Dan Williams
2019-03-22 22:14 ` Dan Williams
2019-03-25 8:43 ` Ira Weiny
2019-03-25 8:43 ` Ira Weiny
2019-03-25 8:43 ` Ira Weiny
2019-03-25 8:43 ` Ira Weiny
2019-03-17 18:34 ` [RESEND 6/7] IB/qib: " ira.weiny
2019-03-17 18:34 ` ira.weiny
2019-03-17 18:34 ` ira.weiny
2019-03-22 22:15 ` Dan Williams
2019-03-22 22:15 ` Dan Williams
2019-03-22 22:15 ` Dan Williams
2019-03-22 22:15 ` Dan Williams
2019-03-22 22:15 ` Dan Williams
2019-03-17 18:34 ` [RESEND 7/7] IB/mthca: " ira.weiny
2019-03-17 18:34 ` ira.weiny
2019-03-17 18:34 ` ira.weiny
2019-03-19 22:19 ` [RESEND PATCH 0/7] Add FOLL_LONGTERM to GUP fast and use it Andrew Morton
2019-03-19 22:19 ` Andrew Morton
2019-03-19 22:19 ` Andrew Morton
2019-03-19 22:19 ` Andrew Morton
2019-03-21 8:40 ` Ira Weiny
2019-03-21 8:40 ` Ira Weiny
2019-03-21 8:40 ` Ira Weiny
2019-03-21 8:40 ` Ira Weiny
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