Revision 4a133eb351ccc275683ad49305d0b04dde903733 authored by Christophe Leroy on 27 August 2020, 18:30:27 UTC, committed by Michael Ellerman on 28 August 2020, 02:03:18 UTC
low_sleep_handler() can't restore the context from virtual stack because the stack can hardly be accessed with MMU OFF. For now, disable VMAP stack when CONFIG_ADB_PMU is selected. Fixes: cd08f109e262 ("powerpc/32s: Enable CONFIG_VMAP_STACK") Cc: stable@vger.kernel.org # v5.6+ Reported-by: Giuseppe Sacco <giuseppe@sguazz.it> Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/ec96c15bfa1a7415ab604ee1c98cd45779c08be0.1598553015.git.christophe.leroy@csgroup.eu
1 parent 16d83a5
hsr_slave.h
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright 2011-2014 Autronica Fire and Security AS
*
* 2011-2014 Arvid Brodin, arvid.brodin@alten.se
*
* include file for HSR and PRP.
*/
#ifndef __HSR_SLAVE_H
#define __HSR_SLAVE_H
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <linux/rtnetlink.h>
#include "hsr_main.h"
int hsr_add_port(struct hsr_priv *hsr, struct net_device *dev,
enum hsr_port_type pt, struct netlink_ext_ack *extack);
void hsr_del_port(struct hsr_port *port);
bool hsr_port_exists(const struct net_device *dev);
static inline struct hsr_port *hsr_port_get_rtnl(const struct net_device *dev)
{
ASSERT_RTNL();
return hsr_port_exists(dev) ?
rtnl_dereference(dev->rx_handler_data) : NULL;
}
static inline struct hsr_port *hsr_port_get_rcu(const struct net_device *dev)
{
return hsr_port_exists(dev) ?
rcu_dereference(dev->rx_handler_data) : NULL;
}
bool hsr_invalid_dan_ingress_frame(__be16 protocol);
#endif /* __HSR_SLAVE_H */
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