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Tue, 12 Aug 2025 13:10:07 +0000 (UTC) Received: from MiWiFi-R3L-srv.redhat.com (unknown [10.72.112.156]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 499F41955F16; Tue, 12 Aug 2025 13:09:56 +0000 (UTC) From: Baoquan He To: linux-mm@kvack.org Cc: snovitoll@gmail.com, ryabinin.a.a@gmail.com, christophe.leroy@csgroup.eu, hca@linux.ibm.com, andreyknvl@gmail.com, akpm@linux-foundation.org, chenhuacai@loongson.cn, davidgow@google.com, glider@google.com, dvyukov@google.com, alexghiti@rivosinc.com, kasan-dev@googlegroups.com, loongarch@lists.linux.dev, linuxppc-dev@lists.ozlabs.org, linux-um@lists.infradead.org, linux-kernel@vger.kernel.org, agordeev@linux.ibm.com, Baoquan He Subject: [PATCH 2/4] arch/powerpc: remove kasan_arch_is_ready() Date: Tue, 12 Aug 2025 21:09:31 +0800 Message-ID: <20250812130933.71593-3-bhe@redhat.com> In-Reply-To: <20250812130933.71593-1-bhe@redhat.com> References: <20250812130933.71593-1-bhe@redhat.com> MIME-Version: 1.0 Content-type: text/plain Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 8E3284000E X-Stat-Signature: yczqnbcnaw3qncmdzt5mqr6oh4ki3r6o X-Rspam-User: X-HE-Tag: 1755004214-378138 X-HE-Meta: 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 P+RaSQwd MK4w2zIR4JzJi1sbtecrpF6SipQKHBuN0FcDwTRYmV25EtjdguQuQk/lvdmMlUQxv3mzIsRaE07aNS9IYB04M6CjjvBsY37T5d14UNg5zTEMJ27EbzIViElAv+Y1kd9ldoPSymeSOFzKLE2ZKMkxv3v/zSO6OM/NGePmoK3xbCyAaastfW0zKzCIALD50ydFMyC8Oto1e+8lMYyzSSSQEILeF0k93BshTXkH0Fzi6tWWRW5kofDaUyYk9iy5DsF1mmsCbSP9fNdCy+oejNRAjmNjneQJRjFla60nZRwrA5d4ScdjRu8H2MciFv6pE995jw+AgudVGC+QaR4AcgDu2L9cV8Q1a2Sk/gdccmI8vQj4Z3FB4q81qfXPVo2sbzRePqf0KKrJhRhfr0TKvWuwpI+O5QRZfWoc0Mkng+OkfrnBgxbO/Pjakotj3DPNLQSaoSvTu1Hq8cxKncrl4Vo63IHuALP6lOm+6cH/7 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: List-Subscribe: List-Unsubscribe: From: Sabyrzhan Tasbolatov With the help of static key kasan_flag_enabled, kasan_arch_is_ready() is not needed any more. So reomve the unneeded kasan_arch_is_ready() and the relevant codes. Signed-off-by: Sabyrzhan Tasbolatov Signed-off-by: Baoquan He --- arch/powerpc/include/asm/kasan.h | 13 ------------- arch/powerpc/mm/kasan/init_book3s_64.c | 4 ---- 2 files changed, 17 deletions(-) diff --git a/arch/powerpc/include/asm/kasan.h b/arch/powerpc/include/asm/kasan.h index b5bbb94c51f6..73466d3ff302 100644 --- a/arch/powerpc/include/asm/kasan.h +++ b/arch/powerpc/include/asm/kasan.h @@ -53,19 +53,6 @@ #endif #ifdef CONFIG_KASAN -#ifdef CONFIG_PPC_BOOK3S_64 -DECLARE_STATIC_KEY_FALSE(powerpc_kasan_enabled_key); - -static __always_inline bool kasan_arch_is_ready(void) -{ - if (static_branch_likely(&powerpc_kasan_enabled_key)) - return true; - return false; -} - -#define kasan_arch_is_ready kasan_arch_is_ready -#endif - void kasan_early_init(void); void kasan_mmu_init(void); void kasan_init(void); diff --git a/arch/powerpc/mm/kasan/init_book3s_64.c b/arch/powerpc/mm/kasan/init_book3s_64.c index 9c5cf2354c8b..c1b78a9cd0a9 100644 --- a/arch/powerpc/mm/kasan/init_book3s_64.c +++ b/arch/powerpc/mm/kasan/init_book3s_64.c @@ -19,8 +19,6 @@ #include #include -DEFINE_STATIC_KEY_FALSE(powerpc_kasan_enabled_key); - static void __init kasan_init_phys_region(void *start, void *end) { unsigned long k_start, k_end, k_cur; @@ -95,8 +93,6 @@ void __init kasan_init(void) */ memset(kasan_early_shadow_page, 0, PAGE_SIZE); - static_branch_inc(&powerpc_kasan_enabled_key); - /* KASAN is now initialized, enable it. */ static_branch_enable(&kasan_flag_enabled); -- 2.41.0