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Sun, 27 Jun 2021 23:00:18 -0700 (PDT) MIME-Version: 1.0 References: <20210626100931.22794-1-Kuan-Ying.Lee@mediatek.com> <20210626100931.22794-2-Kuan-Ying.Lee@mediatek.com> In-Reply-To: <20210626100931.22794-2-Kuan-Ying.Lee@mediatek.com> From: Marco Elver Date: Mon, 28 Jun 2021 08:00:00 +0200 Message-ID: Subject: Re: [PATCH v4 1/3] kasan: rename CONFIG_KASAN_SW_TAGS_IDENTIFY to CONFIG_KASAN_TAGS_IDENTIFY To: Kuan-Ying Lee Cc: Andrey Ryabinin , Alexander Potapenko , Andrey Konovalov , Dmitry Vyukov , Andrew Morton , Matthias Brugger , kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, wsd_upstream@mediatek.com, chinwen.chang@mediatek.com, nicholas.tang@mediatek.com Content-Type: text/plain; charset="UTF-8" Authentication-Results: imf16.hostedemail.com; dkim=pass header.d=google.com header.s=20161025 header.b=LMUpZBEy; dmarc=pass (policy=reject) header.from=google.com; spf=pass (imf16.hostedemail.com: domain of elver@google.com designates 209.85.167.175 as permitted sender) smtp.mailfrom=elver@google.com X-Stat-Signature: 7r391xyxzx18jdzbx3xw6jwnsh4bz85h X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 89DB5801970E X-HE-Tag: 1624860020-172453 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Sat, 26 Jun 2021 at 12:09, Kuan-Ying Lee wrote: > > This patch renames CONFIG_KASAN_SW_TAGS_IDENTIFY to > CONFIG_KASAN_TAGS_IDENTIFY in order to be compatible > with hardware tag-based mode. > > Signed-off-by: Kuan-Ying Lee > Suggested-by: Marco Elver > Reviewed-by: Alexander Potapenko > Reviewed-by: Andrey Konovalov > Cc: Andrey Ryabinin > Cc: Dmitry Vyukov > Cc: Andrew Morton Reviewed-by: Marco Elver > --- > 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(-) > > diff --git a/lib/Kconfig.kasan b/lib/Kconfig.kasan > index c3b228828a80..fdb4a08dba83 100644 > --- a/lib/Kconfig.kasan > +++ b/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 > diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h > index 7b45b17a8106..952df2db7fdd 100644 > --- a/mm/kasan/kasan.h > +++ b/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 > diff --git a/mm/kasan/report_sw_tags.c b/mm/kasan/report_sw_tags.c > index 3d20d3451d9e..821a14a19a92 100644 > --- a/mm/kasan/report_sw_tags.c > +++ b/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; > diff --git a/mm/kasan/sw_tags.c b/mm/kasan/sw_tags.c > index 9362938abbfa..dd05e6c801fa 100644 > --- a/mm/kasan/sw_tags.c > +++ b/mm/kasan/sw_tags.c > @@ -177,7 +177,7 @@ void kasan_set_free_info(struct kmem_cache *cache, > 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(struct kmem_cache *cache, > 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; > -- > 2.18.0 > > -- > You received this message because you are subscribed to the Google Groups "kasan-dev" group. > To unsubscribe from this group and stop receiving emails from it, send an email to kasan-dev+unsubscribe@googlegroups.com. > To view this discussion on the web visit https://groups.google.com/d/msgid/kasan-dev/20210626100931.22794-2-Kuan-Ying.Lee%40mediatek.com.