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| author | Ingo Molnar <mingo@kernel.org> | 2020-03-21 09:23:40 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2020-03-21 09:24:41 +0100 |
| commit | a4654e9bde4ecedb4921e6c8fe2088114bdff1b3 (patch) | |
| tree | 1b9970b520d7bc7176cc9460fe67f210be5ea181 /mm/gup_benchmark.c | |
| parent | Merge branch 'kcsan.2020.01.07a' into locking/kcsan (diff) | |
| parent | x86/purgatory: Fail the build if purgatory.ro has missing symbols (diff) | |
| download | linux-a4654e9bde4ecedb4921e6c8fe2088114bdff1b3.tar.xz linux-a4654e9bde4ecedb4921e6c8fe2088114bdff1b3.zip | |
Merge branch 'x86/kdump' into locking/kcsan, to resolve conflicts
Conflicts:
arch/x86/purgatory/Makefile
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'mm/gup_benchmark.c')
| -rw-r--r-- | mm/gup_benchmark.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/mm/gup_benchmark.c b/mm/gup_benchmark.c index ad9d5b1c4473..8dba38e79a9f 100644 --- a/mm/gup_benchmark.c +++ b/mm/gup_benchmark.c @@ -49,18 +49,21 @@ static int __gup_benchmark_ioctl(unsigned int cmd, nr = (next - addr) / PAGE_SIZE; } + /* Filter out most gup flags: only allow a tiny subset here: */ + gup->flags &= FOLL_WRITE; + switch (cmd) { case GUP_FAST_BENCHMARK: - nr = get_user_pages_fast(addr, nr, gup->flags & 1, + nr = get_user_pages_fast(addr, nr, gup->flags, pages + i); break; case GUP_LONGTERM_BENCHMARK: nr = get_user_pages(addr, nr, - (gup->flags & 1) | FOLL_LONGTERM, + gup->flags | FOLL_LONGTERM, pages + i, NULL); break; case GUP_BENCHMARK: - nr = get_user_pages(addr, nr, gup->flags & 1, pages + i, + nr = get_user_pages(addr, nr, gup->flags, pages + i, NULL); break; default: |