From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 0F201C32750 for ; Tue, 13 Aug 2019 14:19:29 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D944020844 for ; Tue, 13 Aug 2019 14:19:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="UWaskt22" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D944020844 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=3lsuflgVU/8iPnJl3LjBYKMGbd5qDd+YQCFD7gj7OAE=; b=UWaskt22ls9QDVUFh2RNQHtzG5 0fn19Uc9cc/CL4E4JMCvDbPKso75I2K1vXG3iy1JmgntKVQaXzMMJyYbYFWyOhkSfeH5jf860z1ar tDpHVeLtLtxJng6tjNS/jIRzBMaaEz+Pm7tdLmpuMb5FlMCozUxg0KsKmSt5q4CoZY+QPU8v8Ey89 TK2xCV9yvAU4bSxOiGjmTps9JuQpIX0vctgqIT1qG8hf5soexYrWT6fh8XjYcbMjSsyz2cN33WDZl yqd5OaS510Rvq1HVHzWhtKX+DSvfLYfCAxEQkzxCBgHQflaRNkDCwE2yU910UmxOQ3aJJ0xjeZETY +LeBOnMg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hxXdx-0006DB-24; Tue, 13 Aug 2019 14:19:21 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hxXbY-00051T-Jd for linux-arm-kernel@lists.infradead.org; Tue, 13 Aug 2019 14:16:54 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id BC9131596; Tue, 13 Aug 2019 07:16:47 -0700 (PDT) Received: from lakrids.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.121.207.14]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 16D7C3F706; Tue, 13 Aug 2019 07:16:46 -0700 (PDT) From: Mark Rutland To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 3/3] arm64: constify sys64_hook instances Date: Tue, 13 Aug 2019 15:16:39 +0100 Message-Id: <20190813141639.13476-4-mark.rutland@arm.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20190813141639.13476-1-mark.rutland@arm.com> References: <20190813141639.13476-1-mark.rutland@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190813_071653_262969_4DFAB668 X-CRM114-Status: GOOD ( 12.30 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, catalin.marinas@arm.com, will.deacon@arm.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org All instances of struct sys64_hook contain compile-time constant data, and are never inentionally modified, so let's make them all const. Signed-off-by: Mark Rutland Cc: Catalin Marinas Cc: Will Deacon --- arch/arm64/kernel/traps.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c index 42c8422cdf4a..a5d7ce4297b0 100644 --- a/arch/arm64/kernel/traps.c +++ b/arch/arm64/kernel/traps.c @@ -511,7 +511,7 @@ struct sys64_hook { void (*handler)(unsigned int esr, struct pt_regs *regs); }; -static struct sys64_hook sys64_hooks[] = { +static const struct sys64_hook sys64_hooks[] = { { .esr_mask = ESR_ELx_SYS64_ISS_EL0_CACHE_OP_MASK, .esr_val = ESR_ELx_SYS64_ISS_EL0_CACHE_OP_VAL, @@ -636,7 +636,7 @@ static void compat_cntfrq_read_handler(unsigned int esr, struct pt_regs *regs) arm64_compat_skip_faulting_instruction(regs, 4); } -static struct sys64_hook cp15_32_hooks[] = { +static const struct sys64_hook cp15_32_hooks[] = { { .esr_mask = ESR_ELx_CP15_32_ISS_SYS_MASK, .esr_val = ESR_ELx_CP15_32_ISS_SYS_CNTFRQ, @@ -656,7 +656,7 @@ static void compat_cntvct_read_handler(unsigned int esr, struct pt_regs *regs) arm64_compat_skip_faulting_instruction(regs, 4); } -static struct sys64_hook cp15_64_hooks[] = { +static const struct sys64_hook cp15_64_hooks[] = { { .esr_mask = ESR_ELx_CP15_64_ISS_SYS_MASK, .esr_val = ESR_ELx_CP15_64_ISS_SYS_CNTVCT, @@ -667,7 +667,7 @@ static struct sys64_hook cp15_64_hooks[] = { asmlinkage void __exception do_cp15instr(unsigned int esr, struct pt_regs *regs) { - struct sys64_hook *hook, *hook_base; + const struct sys64_hook *hook, *hook_base; if (!cp15_cond_valid(esr, regs)) { /* @@ -707,7 +707,7 @@ asmlinkage void __exception do_cp15instr(unsigned int esr, struct pt_regs *regs) asmlinkage void __exception do_sysinstr(unsigned int esr, struct pt_regs *regs) { - struct sys64_hook *hook; + const struct sys64_hook *hook; for (hook = sys64_hooks; hook->handler; hook++) if ((hook->esr_mask & esr) == hook->esr_val) { -- 2.11.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel