From 825d180c0758a3f5a4dd8dd5d48d98952bf7a0ae Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@gmail.com>
Date: Wed, 19 Dec 2018 20:34:24 -0500
Subject: Delete more shim layer code

---
 include/linux/poison.h | 90 --------------------------------------------------
 1 file changed, 90 deletions(-)
 delete mode 100644 include/linux/poison.h

(limited to 'include/linux/poison.h')

diff --git a/include/linux/poison.h b/include/linux/poison.h
deleted file mode 100644
index 51334ede..00000000
--- a/include/linux/poison.h
+++ /dev/null
@@ -1,90 +0,0 @@
-#ifndef _LINUX_POISON_H
-#define _LINUX_POISON_H
-
-/********** include/linux/list.h **********/
-
-/*
- * Architectures might want to move the poison pointer offset
- * into some well-recognized area such as 0xdead000000000000,
- * that is also not mappable by user-space exploits:
- */
-#ifdef CONFIG_ILLEGAL_POINTER_VALUE
-# define POISON_POINTER_DELTA _AC(CONFIG_ILLEGAL_POINTER_VALUE, UL)
-#else
-# define POISON_POINTER_DELTA 0
-#endif
-
-/*
- * These are non-NULL pointers that will result in page faults
- * under normal circumstances, used to verify that nobody uses
- * non-initialized list entries.
- */
-#define LIST_POISON1  ((void *) 0x100 + POISON_POINTER_DELTA)
-#define LIST_POISON2  ((void *) 0x200 + POISON_POINTER_DELTA)
-
-/********** include/linux/timer.h **********/
-/*
- * Magic number "tsta" to indicate a static timer initializer
- * for the object debugging code.
- */
-#define TIMER_ENTRY_STATIC	((void *) 0x300 + POISON_POINTER_DELTA)
-
-/********** mm/debug-pagealloc.c **********/
-#ifdef CONFIG_PAGE_POISONING_ZERO
-#define PAGE_POISON 0x00
-#else
-#define PAGE_POISON 0xaa
-#endif
-
-/********** mm/page_alloc.c ************/
-
-#define TAIL_MAPPING	((void *) 0x400 + POISON_POINTER_DELTA)
-
-/********** mm/slab.c **********/
-/*
- * Magic nums for obj red zoning.
- * Placed in the first word before and the first word after an obj.
- */
-#define	RED_INACTIVE	0x09F911029D74E35BULL	/* when obj is inactive */
-#define	RED_ACTIVE	0xD84156C5635688C0ULL	/* when obj is active */
-
-#define SLUB_RED_INACTIVE	0xbb
-#define SLUB_RED_ACTIVE		0xcc
-
-/* ...and for poisoning */
-#define	POISON_INUSE	0x5a	/* for use-uninitialised poisoning */
-#define POISON_FREE	0x6b	/* for use-after-free poisoning */
-#define	POISON_END	0xa5	/* end-byte of poisoning */
-
-/********** arch/$ARCH/mm/init.c **********/
-#define POISON_FREE_INITMEM	0xcc
-
-/********** arch/ia64/hp/common/sba_iommu.c **********/
-/*
- * arch/ia64/hp/common/sba_iommu.c uses a 16-byte poison string with a
- * value of "SBAIOMMU POISON\0" for spill-over poisoning.
- */
-
-/********** fs/jbd/journal.c **********/
-#define JBD_POISON_FREE		0x5b
-#define JBD2_POISON_FREE	0x5c
-
-/********** drivers/base/dmapool.c **********/
-#define	POOL_POISON_FREED	0xa7	/* !inuse */
-#define	POOL_POISON_ALLOCATED	0xa9	/* !initted */
-
-/********** drivers/atm/ **********/
-#define ATM_POISON_FREE		0x12
-#define ATM_POISON		0xdeadbeef
-
-/********** kernel/mutexes **********/
-#define MUTEX_DEBUG_INIT	0x11
-#define MUTEX_DEBUG_FREE	0x22
-
-/********** lib/flex_array.c **********/
-#define FLEX_ARRAY_FREE	0x6c	/* for use-after-free poisoning */
-
-/********** security/ **********/
-#define KEY_DESTROY		0xbd
-
-#endif
-- 
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