+ kasan-rename-config_kasan_sw_tags_identify-to-config_kasan_tags_identify.patch added to -mm tree

+ kasan-rename-config_kasan_sw_tags_identify-to-config_kasan_tags_identify.patch added to -mm tree

[akpm]

The patch titled
     Subject: kasan: rename CONFIG_KASAN_SW_TAGS_IDENTIFY to CONFIG_KASAN_TAGS_IDENTIFY
has been added to the -mm tree.  Its filename is
     kasan-rename-config_kasan_sw_tags_identify-to-config_kasan_tags_identify.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/kasan-rename-config_kasan_sw_tags_identify-to-config_kasan_tags_identify.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/kasan-rename-config_kasan_sw_tags_identify-to-config_kasan_tags_identify.patch

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------------------------------------------------------
From: Kuan-Ying Lee <Kuan-Ying.Lee@mediatek.com>
Subject: kasan: rename CONFIG_KASAN_SW_TAGS_IDENTIFY to CONFIG_KASAN_TAGS_IDENTIFY

Patch series "kasan: add memory corruption identification support for hw tag-based kasan", v4.

Add memory corruption identification for hardware tag-based KASAN mode.


This patch (of 3):

Rename CONFIG_KASAN_SW_TAGS_IDENTIFY to CONFIG_KASAN_TAGS_IDENTIFY in
order to be compatible with hardware tag-based mode.

Link: https://lkml.kernel.org/r/20210626100931.22794-1-Kuan-Ying.Lee@mediatek.com
Link: https://lkml.kernel.org/r/20210626100931.22794-2-Kuan-Ying.Lee@mediatek.com
Signed-off-by: Kuan-Ying Lee <Kuan-Ying.Lee@mediatek.com>
Suggested-by: Marco Elver <elver@google.com>
Reviewed-by: Alexander Potapenko <glider@google.com>
Reviewed-by: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: Chinwen Chang <chinwen.chang@mediatek.com>
Cc: Nicholas Tang <nicholas.tang@mediatek.com>
Cc: Kuan-Ying Lee <Kuan-Ying.Lee@mediatek.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 lib/Kconfig.kasan         |    2 +-
 mm/kasan/kasan.h          |    4 ++--
 mm/kasan/report_sw_tags.c |    2 +-
 mm/kasan/sw_tags.c        |    4 ++--
 4 files changed, 6 insertions(+), 6 deletions(-)

--- a/lib/Kconfig.kasan~kasan-rename-config_kasan_sw_tags_identify-to-config_kasan_tags_identify
+++ a/lib/Kconfig.kasan
@@ -167,7 +167,7 @@ config KASAN_STACK
 	  instrumentation is also disabled as it adds inline-style
 	  instrumentation that is run unconditionally.
 
-config KASAN_SW_TAGS_IDENTIFY
+config KASAN_TAGS_IDENTIFY
 	bool "Enable memory corruption identification"
 	depends on KASAN_SW_TAGS
 	help
--- a/mm/kasan/kasan.h~kasan-rename-config_kasan_sw_tags_identify-to-config_kasan_tags_identify
+++ a/mm/kasan/kasan.h
@@ -153,7 +153,7 @@ struct kasan_track {
 	depot_stack_handle_t stack;
 };
 
-#ifdef CONFIG_KASAN_SW_TAGS_IDENTIFY
+#ifdef CONFIG_KASAN_TAGS_IDENTIFY
 #define KASAN_NR_FREE_STACKS 5
 #else
 #define KASAN_NR_FREE_STACKS 1
@@ -170,7 +170,7 @@ struct kasan_alloc_meta {
 #else
 	struct kasan_track free_track[KASAN_NR_FREE_STACKS];
 #endif
-#ifdef CONFIG_KASAN_SW_TAGS_IDENTIFY
+#ifdef CONFIG_KASAN_TAGS_IDENTIFY
 	u8 free_pointer_tag[KASAN_NR_FREE_STACKS];
 	u8 free_track_idx;
 #endif
--- a/mm/kasan/report_sw_tags.c~kasan-rename-config_kasan_sw_tags_identify-to-config_kasan_tags_identify
+++ a/mm/kasan/report_sw_tags.c
@@ -31,7 +31,7 @@
 
 const char *kasan_get_bug_type(struct kasan_access_info *info)
 {
-#ifdef CONFIG_KASAN_SW_TAGS_IDENTIFY
+#ifdef CONFIG_KASAN_TAGS_IDENTIFY
 	struct kasan_alloc_meta *alloc_meta;
 	struct kmem_cache *cache;
 	struct page *page;
--- a/mm/kasan/sw_tags.c~kasan-rename-config_kasan_sw_tags_identify-to-config_kasan_tags_identify
+++ a/mm/kasan/sw_tags.c
@@ -177,7 +177,7 @@ void kasan_set_free_info(struct kmem_cac
 	if (!alloc_meta)
 		return;
 
-#ifdef CONFIG_KASAN_SW_TAGS_IDENTIFY
+#ifdef CONFIG_KASAN_TAGS_IDENTIFY
 	idx = alloc_meta->free_track_idx;
 	alloc_meta->free_pointer_tag[idx] = tag;
 	alloc_meta->free_track_idx = (idx + 1) % KASAN_NR_FREE_STACKS;
@@ -196,7 +196,7 @@ struct kasan_track *kasan_get_free_track
 	if (!alloc_meta)
 		return NULL;
 
-#ifdef CONFIG_KASAN_SW_TAGS_IDENTIFY
+#ifdef CONFIG_KASAN_TAGS_IDENTIFY
 	for (i = 0; i < KASAN_NR_FREE_STACKS; i++) {
 		if (alloc_meta->free_pointer_tag[i] == tag)
 			break;
_

Patches currently in -mm which might be from Kuan-Ying.Lee@mediatek.com are

kasan-rename-config_kasan_sw_tags_identify-to-config_kasan_tags_identify.patch
kasan-integrate-the-common-part-of-two-kasan-tag-based-modes.patch
kasan-add-memory-corruption-identification-support-for-hardware-tag-based-mode.patch