From 8ca07e17c9dd4c4afcb4a3f2ea8f0a0d41c0f982 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Fri, 28 Jan 2022 13:55:47 -0600
Subject: [PATCH] task_work: Remove unnecessary include from posix_timers.h

Break a header file circular dependency by removing the unnecessary
include of task_work.h from posix_timers.h.

sched.h -> posix-timers.h
posix-timers.h -> task_work.h
task_work.h -> sched.h

Add missing includes of task_work.h to:
arch/x86/mm/tlb.c
kernel/time/posix-cpu-timers.c

Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lkml.kernel.org/r/20220309162454.123006-6-ebiederm@xmission.com
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
---
 arch/x86/mm/tlb.c              | 1 +
 include/linux/posix-timers.h   | 1 -
 kernel/time/posix-cpu-timers.c | 1 +
 3 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c
index a6cf56a14939..6eb4d91d5365 100644
--- a/arch/x86/mm/tlb.c
+++ b/arch/x86/mm/tlb.c
@@ -9,6 +9,7 @@
 #include <linux/cpu.h>
 #include <linux/debugfs.h>
 #include <linux/sched/smt.h>
+#include <linux/task_work.h>
 
 #include <asm/tlbflush.h>
 #include <asm/mmu_context.h>
diff --git a/include/linux/posix-timers.h b/include/linux/posix-timers.h
index 5bbcd280bfd2..83539bb2f023 100644
--- a/include/linux/posix-timers.h
+++ b/include/linux/posix-timers.h
@@ -6,7 +6,6 @@
 #include <linux/list.h>
 #include <linux/alarmtimer.h>
 #include <linux/timerqueue.h>
-#include <linux/task_work.h>
 
 struct kernel_siginfo;
 struct task_struct;
diff --git a/kernel/time/posix-cpu-timers.c b/kernel/time/posix-cpu-timers.c
index 96b4e7810426..9190d9eb236d 100644
--- a/kernel/time/posix-cpu-timers.c
+++ b/kernel/time/posix-cpu-timers.c
@@ -15,6 +15,7 @@
 #include <linux/workqueue.h>
 #include <linux/compat.h>
 #include <linux/sched/deadline.h>
+#include <linux/task_work.h>
 
 #include "posix-timers.h"