On Mon, 25 Mar 2024 19:40:52 +0000 Edward Liaw <[email protected]> wrote:
> Following issue was observed while running the uffd-unit-tests selftest > on ARM devices. On x86_64 no issues were detected: > > pthread_create followed by fork caused deadlock in certain cases > wherein fork required some work to be completed by the created thread. > Used synchronization to ensure that created thread's start function has > started before invoking fork. hm, you cc'ed the whole world apart from peterx. Fixed. > Signed-off-by: Lokesh Gidra <[email protected]> > [edliaw: Refactored to use atomic_bool] > Signed-off-by: Edward Liaw <[email protected]> I'll add cc:stable. For which a Fixes: is desirable. I used 760aee0b71e3 ("selftests/mm: add tests for RO pinning vs fork()"), please check that.
