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authorMike Christie <michael.christie@oracle.com>2023-03-10 23:03:28 +0100
committerChristian Brauner (Microsoft) <brauner@kernel.org>2023-03-12 10:54:43 +0100
commit094717586bf71ac20ae3b240d2654d826634b21e (patch)
tree30c6415099ff028b528f8562da588c9c69789005 /kernel/fork.c
parentfork: add kernel_clone_args flag to not dup/clone files (diff)
downloadlinux-094717586bf71ac20ae3b240d2654d826634b21e.tar.xz
linux-094717586bf71ac20ae3b240d2654d826634b21e.zip
fork: Add kernel_clone_args flag to ignore signals
Since: commit 10ab825bdef8 ("change kernel threads to ignore signals instead of blocking them") kthreads have been ignoring signals by default, and the vhost layer has never had a need to change that. This patch adds an option flag, USER_WORKER_SIG_IGN, handled in copy_process() after copy_sighand() and copy_signals() so vhost_tasks added in the next patches can continue to ignore singals. Signed-off-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Mike Christie <michael.christie@oracle.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
Diffstat (limited to 'kernel/fork.c')
-rw-r--r--kernel/fork.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index f8d530f4406e..2918c685ede5 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -2290,6 +2290,9 @@ static __latent_entropy struct task_struct *copy_process(
if (retval)
goto bad_fork_cleanup_io;
+ if (args->ignore_signals)
+ ignore_signals(p);
+
stackleak_task_init(p);
if (pid != &init_struct_pid) {