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| author | Ira Weiny <ira.weiny@intel.com> | 2019-05-13 17:17:18 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-05-14 09:47:46 -0700 |
| commit | 9fdf4aa156733e3f075a9d7d0b026648b3874afe (patch) | |
| tree | 410c453fb69132549b374d08026278c24ccb04d9 | |
| parent | 7af75561e17132b20b5bc047d222f34b3e7a3e6e (diff) | |
| download | linux-9fdf4aa156733e3f075a9d7d0b026648b3874afe.tar.gz linux-9fdf4aa156733e3f075a9d7d0b026648b3874afe.tar.bz2 linux-9fdf4aa156733e3f075a9d7d0b026648b3874afe.zip | |
IB/hfi1: use the new FOLL_LONGTERM flag to get_user_pages_fast()
Use the new FOLL_LONGTERM to get_user_pages_fast() to protect against FS
DAX pages being mapped.
[ira.weiny@intel.com: v3]
Link: http://lkml.kernel.org/r/20190328084422.29911-6-ira.weiny@intel.com
Link: http://lkml.kernel.org/r/20190328084422.29911-6-ira.weiny@intel.com
Link: http://lkml.kernel.org/r/20190317183438.2057-6-ira.weiny@intel.com
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Hogan <jhogan@kernel.org>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Rich Felker <dalias@libc.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Mike Marshall <hubcap@omnibond.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | drivers/infiniband/hw/hfi1/user_pages.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/hfi1/user_pages.c b/drivers/infiniband/hw/hfi1/user_pages.c index 78ccacaf97d0..02eee8eff1db 100644 --- a/drivers/infiniband/hw/hfi1/user_pages.c +++ b/drivers/infiniband/hw/hfi1/user_pages.c @@ -104,9 +104,9 @@ int hfi1_acquire_user_pages(struct mm_struct *mm, unsigned long vaddr, size_t np bool writable, struct page **pages) { int ret; + unsigned int gup_flags = FOLL_LONGTERM | (writable ? FOLL_WRITE : 0); - ret = get_user_pages_fast(vaddr, npages, writable ? FOLL_WRITE : 0, - pages); + ret = get_user_pages_fast(vaddr, npages, gup_flags, pages); if (ret < 0) return ret; |