From: Andrey Konovalov <andreyknvl@google.com>
To: Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
Vincenzo Frascino <vincenzo.frascino@arm.com>,
Dmitry Vyukov <dvyukov@google.com>,
Alexander Potapenko <glider@google.com>,
Marco Elver <elver@google.com>,
Evgenii Stepanov <eugenis@google.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>,
Elena Petrova <lenaptr@google.com>,
Branislav Rankov <Branislav.Rankov@arm.com>,
Kevin Brodsky <kevin.brodsky@arm.com>,
Andrew Morton <akpm@linux-foundation.org>,
kasan-dev@googlegroups.com,
linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org,
Andrey Konovalov <andreyknvl@google.com>
Subject: [PATCH RFC 1/8] kasan: simplify quarantine_put call
Date: Wed, 14 Oct 2020 22:44:29 +0200 [thread overview]
Message-ID: <42f809a3f36e9ca5b62e6a5b13c90e664d6e2933.1602708025.git.andreyknvl@google.com> (raw)
In-Reply-To: <cover.1602708025.git.andreyknvl@google.com>
Move get_free_info() call into quarantine_put() to simplify the call site.
No functional changes.
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Link: https://linux-review.googlesource.com/id/Iab0f04e7ebf8d83247024b7190c67c3c34c7940f
---
mm/kasan/common.c | 2 +-
mm/kasan/kasan.h | 5 ++---
mm/kasan/quarantine.c | 3 ++-
3 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/mm/kasan/common.c b/mm/kasan/common.c
index 2bb0ef6da6bd..5712c66c11c1 100644
--- a/mm/kasan/common.c
+++ b/mm/kasan/common.c
@@ -308,7 +308,7 @@ static bool __kasan_slab_free(struct kmem_cache *cache, void *object,
kasan_set_free_info(cache, object, tag);
- quarantine_put(get_free_info(cache, object), cache);
+ quarantine_put(cache, object);
return IS_ENABLED(CONFIG_KASAN_GENERIC);
}
diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h
index 32ddb18541e3..a3bf60ceb5e1 100644
--- a/mm/kasan/kasan.h
+++ b/mm/kasan/kasan.h
@@ -214,12 +214,11 @@ struct kasan_track *kasan_get_free_track(struct kmem_cache *cache,
#if defined(CONFIG_KASAN_GENERIC) && \
(defined(CONFIG_SLAB) || defined(CONFIG_SLUB))
-void quarantine_put(struct kasan_free_meta *info, struct kmem_cache *cache);
+void quarantine_put(struct kmem_cache *cache, void *object);
void quarantine_reduce(void);
void quarantine_remove_cache(struct kmem_cache *cache);
#else
-static inline void quarantine_put(struct kasan_free_meta *info,
- struct kmem_cache *cache) { }
+static inline void quarantine_put(struct kmem_cache *cache, void *object) { }
static inline void quarantine_reduce(void) { }
static inline void quarantine_remove_cache(struct kmem_cache *cache) { }
#endif
diff --git a/mm/kasan/quarantine.c b/mm/kasan/quarantine.c
index 580ff5610fc1..a0792f0d6d0f 100644
--- a/mm/kasan/quarantine.c
+++ b/mm/kasan/quarantine.c
@@ -161,11 +161,12 @@ static void qlist_free_all(struct qlist_head *q, struct kmem_cache *cache)
qlist_init(q);
}
-void quarantine_put(struct kasan_free_meta *info, struct kmem_cache *cache)
+void quarantine_put(struct kmem_cache *cache, void *object)
{
unsigned long flags;
struct qlist_head *q;
struct qlist_head temp = QLIST_INIT;
+ struct kasan_free_meta *info = get_free_info(cache, object);
/*
* Note: irq must be disabled until after we move the batch to the
--
2.28.0.1011.ga647a8990f-goog
next prev parent reply other threads:[~2020-10-14 20:44 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-14 20:44 [PATCH RFC 0/8] kasan: hardware tag-based mode for production use on arm64 Andrey Konovalov
2020-10-14 20:44 ` Andrey Konovalov [this message]
2020-10-14 20:44 ` [PATCH RFC 2/8] kasan: rename get_alloc/free_info Andrey Konovalov
2020-10-14 20:44 ` [PATCH RFC 3/8] kasan: introduce set_alloc_info Andrey Konovalov
2020-10-14 20:44 ` [PATCH RFC 4/8] kasan: unpoison stack only with CONFIG_KASAN_STACK Andrey Konovalov
2020-10-14 20:44 ` [PATCH RFC 5/8] kasan: mark kasan_init_tags as __init Andrey Konovalov
2020-10-15 10:23 ` Marco Elver
2020-10-16 13:04 ` Andrey Konovalov
2020-10-14 20:44 ` [PATCH RFC 6/8] kasan, arm64: move initialization message Andrey Konovalov
2020-10-14 20:44 ` [PATCH RFC 7/8] arm64: kasan: Add system_supports_tags helper Andrey Konovalov
2020-10-20 6:22 ` Hillf Danton
2020-10-20 12:39 ` Andrey Konovalov
2020-10-14 20:44 ` [PATCH RFC 8/8] kasan: add and integrate kasan_mode boot param Andrey Konovalov
2020-10-15 13:56 ` Marco Elver
2020-10-16 13:10 ` Andrey Konovalov
2020-10-15 14:41 ` [PATCH RFC 0/8] kasan: hardware tag-based mode for production use on arm64 Marco Elver
2020-10-16 13:17 ` Andrey Konovalov
2020-10-16 13:31 ` Marco Elver
2020-10-16 15:52 ` Andrey Konovalov
2020-10-19 22:51 ` Kostya Serebryany
2020-10-20 5:34 ` Dmitry Vyukov
2020-10-20 12:13 ` Andrey Konovalov
2020-10-16 15:52 ` Andrey Konovalov
2020-10-16 15:50 ` Andrey Konovalov
2020-10-19 12:23 ` Marco Elver
2020-10-20 5:20 ` Dmitry Vyukov
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