[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [RFC PATCH 2/4] xen/arm64: bitops: justify uninitialized variable inside a macro
- To: Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
- From: Luca Fancellu <Luca.Fancellu@xxxxxxx>
- Date: Fri, 14 Jul 2023 14:36:14 +0000
- Accept-language: en-GB, en-US
- Arc-authentication-results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=arm.com; dmarc=pass action=none header.from=arm.com; dkim=pass header.d=arm.com; arc=none
- Arc-message-signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=qqcCLFyKUZ1tFDdy2DZjnC0Xjc5EIowBNRtAD63MeIc=; b=Z1ZN6ipyWlTANX8C5Xw0p0Zzfw0fKXGz25MRxbm0wXdUvccDtrozSLfLif2HNINBSCKbdQN9Ou2xST9HJoTqKhVqIDOikDEKzqGrveR1NbOSGBa40a9n1Cx0HaL5Q36+lSlSnKkJiz2Gn0cPcc/eYAisFoOwZyn9+RaUBfMrCt/B6ewIGpZM8LFLTPaT8xa8q4j1LLZf/MDyjaWZsmyxqhFBTVJ2jk3ulA9MnrmaNA2voSBywB18LUI410W3H4+xitibQjf3gFnk28jwNPhQumZ4a/DHxOy9dM96SkNeJ5Dq6syypmFbk/edXFZzi52vybTn5bCUEkN8dA29jmwcBA==
- Arc-seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=Ktj0snTz4dQLpFai192CPUfK6U1wlI5fXEFcgXsTkmk9nAGHe25LimN+FBMMQz2nLWGkWbL+cb9vdLGr66nQQrPsEpVI3U3DQ9LZNXMpotZGam1bCK+lbytm/XbCzUOEW1oNel9KCPW7jCX6iVE1xjY28Cb9W4FINd8M9ea+U6WfutfgqtViXEAyHxEeZlKBKi0NwheIWr3cpC/n4VlsrKKflJADt3AT3ZKXgb2zSOQY/Z/cu8BBei9QmzIt4sdfW8s1T8axa26ac3KjFJNByepAUZRMTB3/kJ5MFvqfKvnsW1Ce8DSOuwM+ElAYW8UfwRXdELpTmzA0ed8maJa2EA==
- Authentication-results-original: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=arm.com;
- Cc: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, "michal.orzel@xxxxxxx" <michal.orzel@xxxxxxx>, "xenia.ragiadakou@xxxxxxx" <xenia.ragiadakou@xxxxxxx>, "ayan.kumar.halder@xxxxxxx" <ayan.kumar.halder@xxxxxxx>, "consulting@xxxxxxxxxxx" <consulting@xxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Julien Grall <julien@xxxxxxx>, Wei Liu <wl@xxxxxxx>, Bertrand Marquis <Bertrand.Marquis@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
- Delivery-date: Fri, 14 Jul 2023 14:36:50 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Nodisclaimer: true
- Original-authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=arm.com;
- Thread-index: AQHZtkllBkKUd/6mO0+M9pyVgMwza6+5T/sAgAADTgCAAAEtAA==
- Thread-topic: [RFC PATCH 2/4] xen/arm64: bitops: justify uninitialized variable inside a macro
>>> "id": "SAF-2-safe",
>>> + "analyser": {
>>> + "eclair": "MC3R1.R9.1"
>>> + },
>>> + "name": "Rule 9.1: initializer not needed",
>>> + "text": "The following local variables are possibly subject to
>>> being read before being written, but code inspection ensured that the
>>> control flow in the construct where they appear ensures that no such event
>>> may happen."
>>> + },
>>> + {
>>> + "id": "SAF-3-safe",
>>> + "analyser": {
>>> + "eclair": "MC3R1.R9.1"
>>> + },
>>> + "name": "Rule 9.1: initializer not needed",
>>> + "text": "The following local variables are possibly subject to
>>> being read before being written, but code inspection ensured that the
>>> control flow in the construct where they appear ensures that no such event
>>> may happen."
>>> + },
>>
>> Since the rule and the justification are the same, you can declare only once
>> and use the same tag on top of the offending lines, so /* SAF-2-safe
>> MC3R1.R9.1 */,
>> also, I remember some maintainers not happy about the misra rule being put
>> after the tag, now I don’t recall who
>
> Sorry, I see there was in a patch before a SAF-1-safe with the same
> justification, so I suggest you use SAF-3-safe as tag and drop the new
> justifications introduced here
I meant “use SAF-1-safe”, sorry, I should do less multitasking
|