From 3d91fdae5ed81827db220e669b8e39d4b440b8d2 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Thu, 25 Mar 2021 18:18:15 -0600 Subject: [PATCH] Revert "signal: don't allow sending any signals to PF_IO_WORKER threads" This reverts commit 577c1559a06694fad75dc294373528f8ef7378cd. IO threads now take signals just fine, so there's no reason to limit them specifically. Revert the change that prevented that from happening. Signed-off-by: Jens Axboe --- kernel/signal.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/kernel/signal.c b/kernel/signal.c index d22177d37b216..9e172b9341f45 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -834,9 +834,6 @@ static int check_kill_permission(int sig, struct kernel_siginfo *info, if (!valid_signal(sig)) return -EINVAL; - /* PF_IO_WORKER threads don't take any signals */ - if (t->flags & PF_IO_WORKER) - return -ESRCH; if (!si_fromuser(info)) return 0; -- 2.39.5