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Remove the dependence on x86 to run the memfd test. Verfied on 32-bit powerpc.
Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Change-Id: I4e3a0d311842f5d0327abdb6bb8ce3ba1460f902
Origin: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ce6a144a0d01c6628496e4c0d18fbf3a0362cc67
Backported-by: Maciej Wereski <m.wereski@partner.samsung.com>
Signed-off-by: Maciej Wereski <m.wereski@partner.samsung.com>
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Add a missing path argument buf to printf()
Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Change-Id: Ie4d1f23fc07a397971ee94c0fdd164fb7145771d
Origin: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2ed36928373cc3dfb20a4d17042e9a6e05538e41
Backported-by: Maciej Wereski <m.wereski@partner.samsung.com>
Signed-off-by: Maciej Wereski <m.wereski@partner.samsung.com>
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This test currently fails on 32-bit systems since we use u64 type to pass the
flags to fcntl.
This commit changes this to use 'unsigned int' type for flags to fcntl making it
work on 32-bit systems.
Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Change-Id: I80190741a7cfaf9517cf220a58bcc36177139993
Origin: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=57e67900d4c7949ad646a5f43a8ca5180170d2a0
Backported-by: Maciej Wereski <m.wereski@partner.samsung.com>
Signed-off-by: Maciej Wereski <m.wereski@partner.samsung.com>
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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>
Change-Id: Ideaf47a24b3522183cbe5ae10c320f7d38e31931
Origin: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=87b2d44026e0e315a7401551e95b189ac4b28217
Backported-by: Maciej Wereski <m.wereski@partner.samsung.com>
Signed-off-by: Maciej Wereski <m.wereski@partner.samsung.com>
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Some basic tests to verify sealing on memfds works as expected and
guarantees the advertised semantics.
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>
Change-Id: I9a6bfd2205aa868f327fdb04788a1f6bae23eb17
Origin: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4f5ce5e8d7e2da3c714df8a7fa42edb9f992fc52
Backported-by: Maciej Wereski <m.wereski@partner.samsung.com>
Signed-off-by: Maciej Wereski <m.wereski@partner.samsung.com>
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