From patchwork Mon Mar 29 18:22:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jisheng Zhang X-Patchwork-Id: 12170735 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3D552C433C1 for ; Mon, 29 Mar 2021 18:28:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DC9E76192F for ; Mon, 29 Mar 2021 18:28:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231605AbhC2S2F (ORCPT ); Mon, 29 Mar 2021 14:28:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40594 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231555AbhC2S1f (ORCPT ); Mon, 29 Mar 2021 14:27:35 -0400 Received: from ustc.edu.cn (email6.ustc.edu.cn [IPv6:2001:da8:d800::8]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 22C62C061574; Mon, 29 Mar 2021 11:27:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mail.ustc.edu.cn; s=dkim; h=Received:Date:From:To:Cc:Subject: Message-ID:In-Reply-To:References:MIME-Version:Content-Type: Content-Transfer-Encoding; bh=DB/sloEYmz7VRvujZiwTWQcY6o1S+cvefB jxUT4Goqw=; b=JHPuSarkHesmRuLejElhNGaMXnOhoAYGW+2xLZlWxUACgOprnW aikHkvLEQbW08YvD1zv6EEuDi9UMx9JHjAfEq5CdECEx+GIrVnzY7ue40ZLtpFFn uRM/Zea7+ioOeYtPOhDWOt0q3b0rJWlfAC/vXxYRfnWglXSIcJjm7RZP4= Received: from xhacker (unknown [101.86.19.180]) by newmailweb.ustc.edu.cn (Coremail) with SMTP id LkAmygCnr08FHGJgFfNpAA--.35778S2; Tue, 30 Mar 2021 02:27:17 +0800 (CST) Date: Tue, 30 Mar 2021 02:22:21 +0800 From: Jisheng Zhang To: Paul Walmsley , Palmer Dabbelt , Albert Ou , Andrey Ryabinin , Alexander Potapenko , Andrey Konovalov , Dmitry Vyukov , " =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= " , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Luke Nelson , Xi Wang Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com, netdev@vger.kernel.org, bpf@vger.kernel.org Subject: [PATCH 1/9] riscv: add __init section marker to some functions Message-ID: <20210330022221.174d2721@xhacker> In-Reply-To: <20210330022144.150edc6e@xhacker> References: <20210330022144.150edc6e@xhacker> MIME-Version: 1.0 X-CM-TRANSID: LkAmygCnr08FHGJgFfNpAA--.35778S2 X-Coremail-Antispam: 1UD129KBjvJXoWxuryfXrWUJry5ur48ur4xtFb_yoW5KFyUpr WkKa1kZFWYkFWvga9rAry8ur1UJ3Zaka43trsFkas8XF17ur45X34kW3yqvr1UJFWkuayr A34rAry5Aw4DAa7anT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUklb7Iv0xC_tr1lb4IE77IF4wAFF20E14v26ryj6rWUM7CY07I2 0VC2zVCF04k26cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rw A2F7IY1VAKz4vEj48ve4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xII jxv20xvEc7CjxVAFwI0_Cr0_Gr1UM28EF7xvwVC2z280aVAFwI0_Gr1j6F4UJwA2z4x0Y4 vEx4A2jsIEc7CjxVAFwI0_Cr1j6rxdM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVAC Y4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r126r1DMcIj6I8E87Iv67AKxVWUJV W8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IY64vIr41lFIxGxcIEc7CjxVA2Y2ka0xkI wI1l42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxV WUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r4a6rW5MIIYrxkI 7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_JFI_Gr1lIxAIcVC0I7IYx2IY6xkF7I0E14v26F 4j6r4UJwCI42IY6xAIw20EY4v20xvaj40_Gr0_Zr1lIxAIcVC2z280aVAFwI0_Jr0_Gr1l IxAIcVC2z280aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7IU84KZJUUUU U== X-CM-SenderInfo: xmv2xttqjtqzxdloh3xvwfhvlgxou0/ Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org From: Jisheng Zhang They are not needed after booting, so mark them as __init to move them to the __init section. Signed-off-by: Jisheng Zhang --- arch/riscv/kernel/traps.c | 2 +- arch/riscv/mm/init.c | 6 +++--- arch/riscv/mm/kasan_init.c | 6 +++--- arch/riscv/mm/ptdump.c | 2 +- 4 files changed, 8 insertions(+), 8 deletions(-) diff --git a/arch/riscv/kernel/traps.c b/arch/riscv/kernel/traps.c index 1357abf79570..07fdded10c21 100644 --- a/arch/riscv/kernel/traps.c +++ b/arch/riscv/kernel/traps.c @@ -197,6 +197,6 @@ int is_valid_bugaddr(unsigned long pc) #endif /* CONFIG_GENERIC_BUG */ /* stvec & scratch is already set from head.S */ -void trap_init(void) +void __init trap_init(void) { } diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index 067583ab1bd7..76bf2de8aa59 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -57,7 +57,7 @@ static void __init zone_sizes_init(void) free_area_init(max_zone_pfns); } -static void setup_zero_page(void) +static void __init setup_zero_page(void) { memset((void *)empty_zero_page, 0, PAGE_SIZE); } @@ -75,7 +75,7 @@ static inline void print_mlm(char *name, unsigned long b, unsigned long t) (((t) - (b)) >> 20)); } -static void print_vm_layout(void) +static void __init print_vm_layout(void) { pr_notice("Virtual kernel memory layout:\n"); print_mlk("fixmap", (unsigned long)FIXADDR_START, @@ -557,7 +557,7 @@ static inline void setup_vm_final(void) #endif /* CONFIG_MMU */ #ifdef CONFIG_STRICT_KERNEL_RWX -void protect_kernel_text_data(void) +void __init protect_kernel_text_data(void) { unsigned long text_start = (unsigned long)_start; unsigned long init_text_start = (unsigned long)__init_text_begin; diff --git a/arch/riscv/mm/kasan_init.c b/arch/riscv/mm/kasan_init.c index 4f85c6d0ddf8..e1d041ac1534 100644 --- a/arch/riscv/mm/kasan_init.c +++ b/arch/riscv/mm/kasan_init.c @@ -60,7 +60,7 @@ asmlinkage void __init kasan_early_init(void) local_flush_tlb_all(); } -static void kasan_populate_pte(pmd_t *pmd, unsigned long vaddr, unsigned long end) +static void __init kasan_populate_pte(pmd_t *pmd, unsigned long vaddr, unsigned long end) { phys_addr_t phys_addr; pte_t *ptep, *base_pte; @@ -82,7 +82,7 @@ static void kasan_populate_pte(pmd_t *pmd, unsigned long vaddr, unsigned long en set_pmd(pmd, pfn_pmd(PFN_DOWN(__pa(base_pte)), PAGE_TABLE)); } -static void kasan_populate_pmd(pgd_t *pgd, unsigned long vaddr, unsigned long end) +static void __init kasan_populate_pmd(pgd_t *pgd, unsigned long vaddr, unsigned long end) { phys_addr_t phys_addr; pmd_t *pmdp, *base_pmd; @@ -117,7 +117,7 @@ static void kasan_populate_pmd(pgd_t *pgd, unsigned long vaddr, unsigned long en set_pgd(pgd, pfn_pgd(PFN_DOWN(__pa(base_pmd)), PAGE_TABLE)); } -static void kasan_populate_pgd(unsigned long vaddr, unsigned long end) +static void __init kasan_populate_pgd(unsigned long vaddr, unsigned long end) { phys_addr_t phys_addr; pgd_t *pgdp = pgd_offset_k(vaddr); diff --git a/arch/riscv/mm/ptdump.c b/arch/riscv/mm/ptdump.c index ace74dec7492..3b7b6e4d025e 100644 --- a/arch/riscv/mm/ptdump.c +++ b/arch/riscv/mm/ptdump.c @@ -331,7 +331,7 @@ static int ptdump_show(struct seq_file *m, void *v) DEFINE_SHOW_ATTRIBUTE(ptdump); -static int ptdump_init(void) +static int __init ptdump_init(void) { unsigned int i, j;