760aee0b71
Add a test suite (with 10 more sub-tests) to cover RO pinning against fork() over uffd-wp. It covers both: (1) Early CoW test in fork() when page pinned, (2) page unshare due to RO longterm pin. They are: Testing wp-fork-pin on anon... done Testing wp-fork-pin on shmem... done Testing wp-fork-pin on shmem-private... done Testing wp-fork-pin on hugetlb... done Testing wp-fork-pin on hugetlb-private... done Testing wp-fork-pin-with-event on anon... done Testing wp-fork-pin-with-event on shmem... done Testing wp-fork-pin-with-event on shmem-private... done Testing wp-fork-pin-with-event on hugetlb... done Testing wp-fork-pin-with-event on hugetlb-private... done CONFIG_GUP_TEST needed or they'll be skipped. Testing wp-fork-pin on anon... skipped [reason: Possibly CONFIG_GUP_TEST missing or unprivileged] Note that the major test goal is on private memory, but no hurt to also run all of them over shared because shared memory should work the same. Link: https://lkml.kernel.org/r/20230417195317.898696-7-peterx@redhat.com Signed-off-by: Peter Xu <peterx@redhat.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Axel Rasmussen <axelrasmussen@google.com> Cc: David Hildenbrand <david@redhat.com> Cc: Mika Penttilä <mpenttil@redhat.com> Cc: Mike Kravetz <mike.kravetz@oracle.com> Cc: Nadav Amit <nadav.amit@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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| accounting | ||
| arch | ||
| bootconfig | ||
| bpf | ||
| build | ||
| certs | ||
| cgroup | ||
| counter | ||
| debugging | ||
| edid | ||
| firewire | ||
| firmware | ||
| gpio | ||
| hv | ||
| iio | ||
| include | ||
| io_uring | ||
| kvm/kvm_stat | ||
| laptop | ||
| leds | ||
| lib | ||
| memory-model | ||
| mm | ||
| net/ynl | ||
| objtool | ||
| pci | ||
| pcmcia | ||
| perf | ||
| power | ||
| rcu | ||
| scripts | ||
| spi | ||
| testing | ||
| thermal | ||
| time | ||
| tracing | ||
| usb | ||
| verification | ||
| virtio | ||
| wmi | ||
| Makefile | ||