aboutsummaryrefslogtreecommitdiffstats
path: root/tools/testing/selftests/mm/uffd-common.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2024-03-27 13:30:48 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2024-03-27 13:30:48 -0700
commitdc189b8e6adbe113a6d4b3a7c5d0c9cd7febb3bb (patch)
tree7c196dea5150c5a0cbb4e589ccac538caf540dbd /tools/testing/selftests/mm/uffd-common.c
parent962490525cffee6270422206c9d5bdb12d472c2b (diff)
parent32fbe5246582af4f611ccccee33fd6e559087252 (diff)
downloadlinux-dc189b8e6adbe113a6d4b3a7c5d0c9cd7febb3bb.tar.gz
Merge tag 'mm-hotfixes-stable-2024-03-27-11-25' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton: "Various hotfixes. About half are cc:stable and the remainder address post-6.8 issues or aren't considered suitable for backporting. zswap figures prominently in the post-6.8 issues - folloup against the large amount of changes we have just made to that code. Apart from that, all over the map" * tag 'mm-hotfixes-stable-2024-03-27-11-25' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (21 commits) crash: use macro to add crashk_res into iomem early for specific arch mm: zswap: fix data loss on SWP_SYNCHRONOUS_IO devices selftests/mm: fix ARM related issue with fork after pthread_create hexagon: vmlinux.lds.S: handle attributes section userfaultfd: fix deadlock warning when locking src and dst VMAs tmpfs: fix race on handling dquot rbtree selftests/mm: sigbus-wp test requires UFFD_FEATURE_WP_HUGETLBFS_SHMEM mm: zswap: fix writeback shinker GFP_NOIO/GFP_NOFS recursion ARM: prctl: reject PR_SET_MDWE on pre-ARMv6 prctl: generalize PR_SET_MDWE support check to be per-arch MAINTAINERS: remove incorrect M: tag for dm-devel@lists.linux.dev mm: zswap: fix kernel BUG in sg_init_one selftests: mm: restore settings from only parent process tools/Makefile: remove cgroup target mm: cachestat: fix two shmem bugs mm: increase folio batch size mm,page_owner: fix recursion mailmap: update entry for Leonard Crestez init: open /initrd.image with O_LARGEFILE selftests/mm: Fix build with _FORTIFY_SOURCE ...
Diffstat (limited to 'tools/testing/selftests/mm/uffd-common.c')
-rw-r--r--tools/testing/selftests/mm/uffd-common.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/testing/selftests/mm/uffd-common.c b/tools/testing/selftests/mm/uffd-common.c
index b0ac0ec2356d6..7ad6ba660c7d6 100644
--- a/tools/testing/selftests/mm/uffd-common.c
+++ b/tools/testing/selftests/mm/uffd-common.c
@@ -18,6 +18,7 @@ bool test_uffdio_wp = true;
unsigned long long *count_verify;
uffd_test_ops_t *uffd_test_ops;
uffd_test_case_ops_t *uffd_test_case_ops;
+atomic_bool ready_for_fork;
static int uffd_mem_fd_create(off_t mem_size, bool hugetlb)
{
@@ -518,6 +519,8 @@ void *uffd_poll_thread(void *arg)
pollfd[1].fd = pipefd[cpu*2];
pollfd[1].events = POLLIN;
+ ready_for_fork = true;
+
for (;;) {
ret = poll(pollfd, 2, -1);
if (ret <= 0) {