From: andrey.konovalov@linux.dev
To: Marco Elver <elver@google.com>, Alexander Potapenko <glider@google.com>
Cc: Andrey Konovalov <andreyknvl@gmail.com>,
Dmitry Vyukov <dvyukov@google.com>,
Andrey Ryabinin <ryabinin.a.a@gmail.com>,
kasan-dev@googlegroups.com, Peter Collingbourne <pcc@google.com>,
Evgenii Stepanov <eugenis@google.com>,
Florian Mayer <fmayer@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Andrey Konovalov <andreyknvl@google.com>
Subject: [PATCH mm v2 16/33] kasan: only define metadata offsets for Generic mode
Date: Tue, 19 Jul 2022 02:09:56 +0200 [thread overview]
Message-ID: <902cc38713c94e729b3eca170cd53ce9dfb5fb47.1658189199.git.andreyknvl@google.com> (raw)
In-Reply-To: <cover.1658189199.git.andreyknvl@google.com>
From: Andrey Konovalov <andreyknvl@google.com>
Hide the definitions of alloc_meta_offset and free_meta_offset under
an ifdef CONFIG_KASAN_GENERIC check, as these fields are now only used
when the Generic mode is enabled.
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
---
include/linux/kasan.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/include/linux/kasan.h b/include/linux/kasan.h
index 9743d4b3a918..a212c2e3f32d 100644
--- a/include/linux/kasan.h
+++ b/include/linux/kasan.h
@@ -98,8 +98,10 @@ static inline bool kasan_has_integrated_init(void)
#ifdef CONFIG_KASAN
struct kasan_cache {
+#ifdef CONFIG_KASAN_GENERIC
int alloc_meta_offset;
int free_meta_offset;
+#endif
bool is_kmalloc;
};
--
2.25.1
next prev parent reply other threads:[~2022-07-19 0:12 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-19 0:09 [PATCH mm v2 00/33] kasan: switch tag-based modes to stack ring from per-object metadata andrey.konovalov
2022-07-19 0:09 ` [PATCH mm v2 01/33] kasan: check KASAN_NO_FREE_META in __kasan_metadata_size andrey.konovalov
2022-07-19 0:09 ` [PATCH mm v2 02/33] kasan: rename kasan_set_*_info to kasan_save_*_info andrey.konovalov
2022-07-19 0:09 ` [PATCH mm v2 03/33] kasan: move is_kmalloc check out of save_alloc_info andrey.konovalov
2022-07-19 0:09 ` [PATCH mm v2 04/33] kasan: split save_alloc_info implementations andrey.konovalov
2022-07-19 0:09 ` [PATCH mm v2 05/33] kasan: drop CONFIG_KASAN_TAGS_IDENTIFY andrey.konovalov
2022-07-19 0:09 ` [PATCH mm v2 06/33] kasan: introduce kasan_print_aux_stacks andrey.konovalov
2022-07-19 0:09 ` [PATCH mm v2 07/33] kasan: introduce kasan_get_alloc_track andrey.konovalov
2022-07-19 0:09 ` [PATCH mm v2 08/33] kasan: introduce kasan_init_object_meta andrey.konovalov
2022-07-19 0:09 ` [PATCH mm v2 09/33] kasan: clear metadata functions for tag-based modes andrey.konovalov
2022-07-19 0:09 ` [PATCH mm v2 10/33] kasan: move kasan_get_*_meta to generic.c andrey.konovalov
2022-07-19 0:09 ` [PATCH mm v2 11/33] kasan: introduce kasan_requires_meta andrey.konovalov
2022-07-19 0:09 ` [PATCH mm v2 12/33] kasan: introduce kasan_init_cache_meta andrey.konovalov
2022-07-19 0:09 ` [PATCH mm v2 13/33] kasan: drop CONFIG_KASAN_GENERIC check from kasan_init_cache_meta andrey.konovalov
2022-07-19 0:09 ` [PATCH mm v2 14/33] kasan: only define kasan_metadata_size for Generic mode andrey.konovalov
2022-07-19 0:09 ` [PATCH mm v2 15/33] kasan: only define kasan_never_merge " andrey.konovalov
2022-07-19 0:09 ` andrey.konovalov [this message]
2022-07-19 0:09 ` [PATCH mm v2 17/33] kasan: only define metadata structs " andrey.konovalov
2022-07-19 0:09 ` [PATCH mm v2 18/33] kasan: only define kasan_cache_create " andrey.konovalov
2022-07-19 0:09 ` [PATCH mm v2 19/33] kasan: pass tagged pointers to kasan_save_alloc/free_info andrey.konovalov
2022-07-19 0:10 ` [PATCH mm v2 20/33] kasan: move kasan_get_alloc/free_track definitions andrey.konovalov
2022-07-19 0:10 ` [PATCH mm v2 21/33] kasan: cosmetic changes in report.c andrey.konovalov
2022-07-19 0:10 ` [PATCH mm v2 22/33] kasan: use virt_addr_valid in kasan_addr_to_page/slab andrey.konovalov
2022-07-19 0:10 ` [PATCH mm v2 23/33] kasan: use kasan_addr_to_slab in print_address_description andrey.konovalov
2022-07-19 0:10 ` [PATCH mm v2 24/33] kasan: make kasan_addr_to_page static andrey.konovalov
2022-07-19 0:10 ` [PATCH mm v2 25/33] kasan: simplify print_report andrey.konovalov
2022-07-19 0:10 ` [PATCH mm v2 26/33] kasan: introduce complete_report_info andrey.konovalov
2022-07-19 0:10 ` [PATCH mm v2 27/33] kasan: fill in cache and object in complete_report_info andrey.konovalov
2022-07-19 0:10 ` [PATCH mm v2 28/33] kasan: rework function arguments in report.c andrey.konovalov
2022-07-19 0:10 ` [PATCH mm v2 29/33] kasan: introduce kasan_complete_mode_report_info andrey.konovalov
2022-07-19 0:10 ` [PATCH mm v2 30/33] kasan: implement stack ring for tag-based modes andrey.konovalov
2022-07-19 11:41 ` Marco Elver
2022-07-21 20:41 ` Andrey Konovalov
2022-08-02 20:45 ` Andrey Konovalov
2022-08-03 20:28 ` Marco Elver
2022-09-05 20:40 ` Andrey Konovalov
2022-07-19 0:10 ` [PATCH mm v2 31/33] kasan: support kasan.stacktrace for SW_TAGS andrey.konovalov
2022-07-19 0:10 ` [PATCH mm v2 32/33] kasan: dynamically allocate stack ring entries andrey.konovalov
2022-08-03 20:09 ` Marco Elver
2022-09-05 20:34 ` Andrey Konovalov
2022-07-19 0:10 ` [PATCH mm v2 33/33] kasan: better identify bug types for tag-based modes andrey.konovalov
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