From patchwork Tue Nov 9 02:35:31 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Morton X-Patchwork-Id: 12609563 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 211DDC433F5 for ; Tue, 9 Nov 2021 02:35:34 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id C05CC6162E for ; Tue, 9 Nov 2021 02:35:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org C05CC6162E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvack.org Received: by kanga.kvack.org (Postfix) id 61B116B0102; Mon, 8 Nov 2021 21:35:33 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 5A4426B0103; Mon, 8 Nov 2021 21:35:33 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 46C086B0104; Mon, 8 Nov 2021 21:35:33 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0028.hostedemail.com [216.40.44.28]) by kanga.kvack.org (Postfix) with ESMTP id 3212E6B0102 for ; Mon, 8 Nov 2021 21:35:33 -0500 (EST) Received: from smtpin03.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id EB44C7B255 for ; Tue, 9 Nov 2021 02:35:32 +0000 (UTC) X-FDA: 78787825704.03.2FBA2B3 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf31.hostedemail.com (Postfix) with ESMTP id 32D37104F78C for ; Tue, 9 Nov 2021 02:35:21 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id A8EDD61502; Tue, 9 Nov 2021 02:35:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1636425332; bh=G0l1F3WsG9FsRS+VDOtRetv8+8BsbiT0vGzaWPCNyxE=; h=Date:From:To:Subject:In-Reply-To:From; b=bQdRQYclWX/HOHdLK0ZMHtOc03JVtR5Jua/CssrmJ8JYhL+tzPnqr2j0xwghUkAcN 0xd/AMiddUjoQrzQpC3DrCh/sUnKPFs4wTpoQCGlEiv7gOlFy0NdTO3f9p2eYBRh28 vdaLwC7zl7YQSufwkM4bNj44V512/y2+4l8k+O2o= Date: Mon, 08 Nov 2021 18:35:31 -0800 From: Andrew Morton To: akpm@linux-foundation.org, andreyknvl@gmail.com, bigeasy@linutronix.de, dvyukov@google.com, elver@google.com, linux-mm@kvack.org, mm-commits@vger.kernel.org, rostedt@goodmis.org, torvalds@linux-foundation.org, williams@redhat.com Subject: [patch 77/87] Documentation/kcov: define `ip' in the example Message-ID: <20211109023531.IVZJo-TQ5%akpm@linux-foundation.org> In-Reply-To: <20211108183057.809e428e841088b657a975ec@linux-foundation.org> User-Agent: s-nail v14.8.16 Authentication-Results: imf31.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=bQdRQYcl; spf=pass (imf31.hostedemail.com: domain of akpm@linux-foundation.org designates 198.145.29.99 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org; dmarc=none X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 32D37104F78C X-Stat-Signature: 4tndqxxaw3cq45duy9p73xmapgjus1cg X-HE-Tag: 1636425321-308127 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: From: Sebastian Andrzej Siewior Subject: Documentation/kcov: define `ip' in the example The example code uses the variable `ip' but never declares it. Declare `ip' as a 64bit variable which is the same type as the array from which it loads its value. Link: https://lkml.kernel.org/r/20210923164741.1859522-3-bigeasy@linutronix.de Link: https://lore.kernel.org/r/20210830172627.267989-3-bigeasy@linutronix.de Signed-off-by: Sebastian Andrzej Siewior Acked-by: Dmitry Vyukov Acked-by: Marco Elver Tested-by: Marco Elver Reviewed-by: Andrey Konovalov Cc: Clark Williams Cc: Steven Rostedt Signed-off-by: Andrew Morton --- Documentation/dev-tools/kcov.rst | 2 ++ 1 file changed, 2 insertions(+) --- a/Documentation/dev-tools/kcov.rst~documentation-kcov-define-ip-in-the-example +++ a/Documentation/dev-tools/kcov.rst @@ -178,6 +178,8 @@ Comparison operands collection is simila /* Read number of comparisons collected. */ n = __atomic_load_n(&cover[0], __ATOMIC_RELAXED); for (i = 0; i < n; i++) { + uint64_t ip; + type = cover[i * KCOV_WORDS_PER_CMP + 1]; /* arg1 and arg2 - operands of the comparison. */ arg1 = cover[i * KCOV_WORDS_PER_CMP + 2];