list_debug.c File Reference

#include <linux/list.h>
#include <linux/bug.h>

Include dependency graph for list_debug.c:

Go to the source code of this file.

Macros
#define	NVHE_CHECK_DATA_CORRUPTION(condition)

Functions
static __must_check bool	nvhe_check_data_corruption (bool v)
__list_valid_slowpath bool	__list_add_valid_or_report (struct list_head *new, struct list_head *prev, struct list_head *next)
__list_valid_slowpath bool	__list_del_entry_valid_or_report (struct list_head *entry)

Macro Definition Documentation

NVHE_CHECK_DATA_CORRUPTION

#define NVHE_CHECK_DATA_CORRUPTION

(

condition

)

Value:

    nvhe_check_data_corruption(({                    \
        bool corruption = unlikely(condition);           \
        if (corruption) {                    \
            if (IS_ENABLED(CONFIG_BUG_ON_DATA_CORRUPTION)) { \
                BUG_ON(1);               \
            } else                       \
                WARN_ON(1);              \
        }                            \
        corruption;                      \
    }))

Definition at line 15 of file list_debug.c.

Function Documentation

__list_add_valid_or_report()

__list_valid_slowpath bool __list_add_valid_or_report	(	struct list_head *	new,
		struct list_head *	prev,
		struct list_head *	next
	)

Definition at line 30 of file list_debug.c.

{
    if (NVHE_CHECK_DATA_CORRUPTION(next->prev != prev) ||
        NVHE_CHECK_DATA_CORRUPTION(prev->next != next) ||
        NVHE_CHECK_DATA_CORRUPTION(new == prev || new == next))
        return false;
 
    return true;
}

__list_del_entry_valid_or_report()

__list_valid_slowpath bool __list_del_entry_valid_or_report

(

struct list_head *

entry

)

Definition at line 42 of file list_debug.c.

{
    struct list_head *prev, *next;
 
    prev = entry->prev;
    next = entry->next;
 
    if (NVHE_CHECK_DATA_CORRUPTION(next == LIST_POISON1) ||
        NVHE_CHECK_DATA_CORRUPTION(prev == LIST_POISON2) ||
        NVHE_CHECK_DATA_CORRUPTION(prev->next != entry) ||
        NVHE_CHECK_DATA_CORRUPTION(next->prev != entry))
        return false;
 
    return true;
}

nvhe_check_data_corruption()

static __must_check bool nvhe_check_data_corruption ( bool  v )

inlinestatic

Definition at line 10 of file list_debug.c.

{
    return v;
}