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| author | David Herrmann <dh.herrmann@gmail.com> | 2014-08-09 01:25:34 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-08-09 02:57:31 +0400 |
| commit | 87b2d44026e0e315a7401551e95b189ac4b28217 (patch) | |
| tree | ae066f8f409be64b9d9ca192d470c0c505b520a9 /tools/testing/selftests/memfd/Makefile | |
| parent | 4f5ce5e8d7e2da3c714df8a7fa42edb9f992fc52 (diff) | |
| download | linux-87b2d44026e0e315a7401551e95b189ac4b28217.tar.xz | |
selftests: add memfd/sealing page-pinning tests
Setting SEAL_WRITE is not possible if there're pending GUP users. This
commit adds selftests for memfd+sealing that use FUSE to create pending
page-references. FUSE is very helpful here in that it allows us to delay
direct-IO operations for an arbitrary amount of time. This way, we can
force the kernel to pin pages and then run our normal selftests.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Acked-by: Hugh Dickins <hughd@google.com>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Ryan Lortie <desrt@desrt.ca>
Cc: Lennart Poettering <lennart@poettering.net>
Cc: Daniel Mack <zonque@gmail.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'tools/testing/selftests/memfd/Makefile')
| -rw-r--r-- | tools/testing/selftests/memfd/Makefile | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/tools/testing/selftests/memfd/Makefile b/tools/testing/selftests/memfd/Makefile index 36653b903140..6816c491c5ff 100644 --- a/tools/testing/selftests/memfd/Makefile +++ b/tools/testing/selftests/memfd/Makefile @@ -7,6 +7,7 @@ ifeq ($(ARCH),x86_64) ARCH := X86 endif +CFLAGS += -D_FILE_OFFSET_BITS=64 CFLAGS += -I../../../../arch/x86/include/generated/uapi/ CFLAGS += -I../../../../arch/x86/include/uapi/ CFLAGS += -I../../../../include/uapi/ @@ -25,5 +26,16 @@ ifeq ($(ARCH),X86) endif @./memfd_test || echo "memfd_test: [FAIL]" +build_fuse: +ifeq ($(ARCH),X86) + gcc $(CFLAGS) fuse_mnt.c `pkg-config fuse --cflags --libs` -o fuse_mnt + gcc $(CFLAGS) fuse_test.c -o fuse_test +else + echo "Not an x86 target, can't build memfd selftest" +endif + +run_fuse: build_fuse + @./run_fuse_test.sh || echo "fuse_test: [FAIL]" + clean: - $(RM) memfd_test + $(RM) memfd_test fuse_test |