From 12b5f9dae41027f895b144ea01741d687bb31051 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Thu, 25 Mar 2021 18:22:11 -0600 Subject: [PATCH] Revert "kernel: freezer should treat PF_IO_WORKER like PF_KTHREAD for freezing" commit d3dc04cd81e0eaf50b2d09ab051a13300e587439 upstream. This reverts commit 15b2219facadec583c24523eed40fa45865f859f. Before IO threads accepted signals, the freezer using take signals to wake up an IO thread would cause them to loop without any way to clear the pending signal. That is no longer the case, so stop special casing PF_IO_WORKER in the freezer. Signed-off-by: Jens Axboe Signed-off-by: Greg Kroah-Hartman --- kernel/freezer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/freezer.c b/kernel/freezer.c index 1a2d57d1327c..dc520f01f99d 100644 --- a/kernel/freezer.c +++ b/kernel/freezer.c @@ -134,7 +134,7 @@ bool freeze_task(struct task_struct *p) return false; } - if (!(p->flags & (PF_KTHREAD | PF_IO_WORKER))) + if (!(p->flags & PF_KTHREAD)) fake_signal_wake_up(p); else wake_up_state(p, TASK_INTERRUPTIBLE);