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From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Thu, 18 Feb 2021 18:31:24 +0100
Subject: [PATCH] kcov: Remove kcov include from sched.h and move it to its
users.
The recent addition of in_serving_softirq() to kconv.h results in
compile failure on PREEMPT_RT because it requires
task_struct::softirq_disable_cnt. This is not available if kconv.h is
included from sched.h.
It is not needed to include kconv.h from sched.h. All but the net/ user
already include the kconv header file.
Move the include of the kconv.h header from sched.h it its users.
Additionally include sched.h from kconv.h to ensure that everything
task_struct related is available.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Andrey Konovalov <andreyknvl@google.com>
Link: https://lkml.kernel.org/r/20210218173124.iy5iyqv3a4oia4vv@linutronix.de
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
---
drivers/usb/usbip/usbip_common.h | 1 +
include/linux/kcov.h | 1 +
include/linux/sched.h | 1 -
net/core/skbuff.c | 1 +
net/mac80211/iface.c | 1 +
net/mac80211/rx.c | 1 +
6 files changed, 5 insertions(+), 1 deletion(-)
--- a/drivers/usb/usbip/usbip_common.h
+++ b/drivers/usb/usbip/usbip_common.h
@@ -18,6 +18,7 @@
#include <linux/usb.h>
#include <linux/wait.h>
#include <linux/sched/task.h>
+#include <linux/kcov.h>
#include <uapi/linux/usbip.h>
#undef pr_fmt
--- a/include/linux/kcov.h
+++ b/include/linux/kcov.h
@@ -2,6 +2,7 @@
#ifndef _LINUX_KCOV_H
#define _LINUX_KCOV_H
+#include <linux/sched.h>
#include <uapi/linux/kcov.h>
struct task_struct;
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -14,7 +14,6 @@
#include <linux/pid.h>
#include <linux/sem.h>
#include <linux/shm.h>
-#include <linux/kcov.h>
#include <linux/mutex.h>
#include <linux/plist.h>
#include <linux/hrtimer.h>
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -60,6 +60,7 @@
#include <linux/prefetch.h>
#include <linux/if_vlan.h>
#include <linux/mpls.h>
+#include <linux/kcov.h>
#include <net/protocol.h>
#include <net/dst.h>
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -15,6 +15,7 @@
#include <linux/if_arp.h>
#include <linux/netdevice.h>
#include <linux/rtnetlink.h>
+#include <linux/kcov.h>
#include <net/mac80211.h>
#include <net/ieee80211_radiotap.h>
#include "ieee80211_i.h"
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -17,6 +17,7 @@
#include <linux/etherdevice.h>
#include <linux/rcupdate.h>
#include <linux/export.h>
+#include <linux/kcov.h>
#include <linux/bitops.h>
#include <net/mac80211.h>
#include <net/ieee80211_radiotap.h>
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