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Revision 2f85e7f948a2c9f7e1524397d1818191ff5abb03 authored by Christoph Hellwig on 12 July 2019, 03:56:56 UTC, committed by Linus Torvalds on 12 July 2019, 18:05:44 UTC 
sh: add the missing pud_page definition
 
sh only had pud_page_vaddr, but not pud_page.

[hch@lst.de: sh: stub out pud_page]
  Link: http://lkml.kernel.org/r/20190701151818.32227-2-hch@lst.de
Link: http://lkml.kernel.org/r/20190625143715.1689-6-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Cc: Andrey Konovalov <andreyknvl@google.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: David Miller <davem@davemloft.net>
Cc: James Hogan <jhogan@kernel.org>
Cc: Jason Gunthorpe <jgg@mellanox.com>
Cc: Khalid Aziz <khalid.aziz@oracle.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Paul Burton <paul.burton@mips.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Rich Felker <dalias@libc.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Raw File
core.h 
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LIVEPATCH_CORE_H
#define _LIVEPATCH_CORE_H

#include <linux/livepatch.h>

extern struct mutex klp_mutex;
extern struct list_head klp_patches;

#define klp_for_each_patch_safe(patch, tmp_patch)		\
	list_for_each_entry_safe(patch, tmp_patch, &klp_patches, list)

#define klp_for_each_patch(patch)	\
	list_for_each_entry(patch, &klp_patches, list)

void klp_free_patch_start(struct klp_patch *patch);
void klp_discard_replaced_patches(struct klp_patch *new_patch);
void klp_discard_nops(struct klp_patch *new_patch);

static inline bool klp_is_object_loaded(struct klp_object *obj)
{
	return !obj->name || obj->mod;
}

static inline int klp_pre_patch_callback(struct klp_object *obj)
{
	int ret = 0;

	if (obj->callbacks.pre_patch)
		ret = (*obj->callbacks.pre_patch)(obj);

	obj->callbacks.post_unpatch_enabled = !ret;

	return ret;
}

static inline void klp_post_patch_callback(struct klp_object *obj)
{
	if (obj->callbacks.post_patch)
		(*obj->callbacks.post_patch)(obj);
}

static inline void klp_pre_unpatch_callback(struct klp_object *obj)
{
	if (obj->callbacks.pre_unpatch)
		(*obj->callbacks.pre_unpatch)(obj);
}

static inline void klp_post_unpatch_callback(struct klp_object *obj)
{
	if (obj->callbacks.post_unpatch_enabled &&
	    obj->callbacks.post_unpatch)
		(*obj->callbacks.post_unpatch)(obj);

	obj->callbacks.post_unpatch_enabled = false;
}

#endif /* _LIVEPATCH_CORE_H */
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