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Thu, 21 May 2026 05:26:55 -0700 (PDT) Message-ID: <09e58463-4eda-46da-83e0-bc66c84afb25@suse.com> Date: Thu, 21 May 2026 14:26:54 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: [PATCH 1/2] x86/time: address Misra C:2012 rule 8.3 From: Jan Beulich To: "xen-devel@lists.xenproject.org" Cc: Andrew Cooper , Julien Grall , Stefano Stabellini , Anthony PERARD , Michal Orzel , =?UTF-8?Q?Roger_Pau_Monn=C3=A9?= , Teddy Astie , Nicola Vetrini References: <2ad2b572-45b4-42a5-9b7a-80eebfacc80e@suse.com> Content-Language: en-US Autocrypt: addr=jbeulich@suse.com; keydata= xsDiBFk3nEQRBADAEaSw6zC/EJkiwGPXbWtPxl2xCdSoeepS07jW8UgcHNurfHvUzogEq5xk hu507c3BarVjyWCJOylMNR98Yd8VqD9UfmX0Hb8/BrA+Hl6/DB/eqGptrf4BSRwcZQM32aZK 7Pj2XbGWIUrZrd70x1eAP9QE3P79Y2oLrsCgbZJfEwCgvz9JjGmQqQkRiTVzlZVCJYcyGGsD /0tbFCzD2h20ahe8rC1gbb3K3qk+LpBtvjBu1RY9drYk0NymiGbJWZgab6t1jM7sk2vuf0Py O9Hf9XBmK0uE9IgMaiCpc32XV9oASz6UJebwkX+zF2jG5I1BfnO9g7KlotcA/v5ClMjgo6Gl MDY4HxoSRu3i1cqqSDtVlt+AOVBJBACrZcnHAUSuCXBPy0jOlBhxPqRWv6ND4c9PH1xjQ3NP nxJuMBS8rnNg22uyfAgmBKNLpLgAGVRMZGaGoJObGf72s6TeIqKJo/LtggAS9qAUiuKVnygo 3wjfkS9A3DRO+SpU7JqWdsveeIQyeyEJ/8PTowmSQLakF+3fote9ybzd880fSmFuIEJldWxp Y2ggPGpiZXVsaWNoQHN1c2UuY29tPsJgBBMRAgAgBQJZN5xEAhsDBgsJCAcDAgQVAggDBBYC AwECHgECF4AACgkQoDSui/t3IH4J+wCfQ5jHdEjCRHj23O/5ttg9r9OIruwAn3103WUITZee e7Sbg12UgcQ5lv7SzsFNBFk3nEQQCACCuTjCjFOUdi5Nm244F+78kLghRcin/awv+IrTcIWF hUpSs1Y91iQQ7KItirz5uwCPlwejSJDQJLIS+QtJHaXDXeV6NI0Uef1hP20+y8qydDiVkv6l IreXjTb7DvksRgJNvCkWtYnlS3mYvQ9NzS9PhyALWbXnH6sIJd2O9lKS1Mrfq+y0IXCP10eS FFGg+Av3IQeFatkJAyju0PPthyTqxSI4lZYuJVPknzgaeuJv/2NccrPvmeDg6Coe7ZIeQ8Yj t0ARxu2xytAkkLCel1Lz1WLmwLstV30g80nkgZf/wr+/BXJW/oIvRlonUkxv+IbBM3dX2OV8 AmRv1ySWPTP7AAMFB/9PQK/VtlNUJvg8GXj9ootzrteGfVZVVT4XBJkfwBcpC/XcPzldjv+3 HYudvpdNK3lLujXeA5fLOH+Z/G9WBc5pFVSMocI71I8bT8lIAzreg0WvkWg5V2WZsUMlnDL9 mpwIGFhlbM3gfDMs7MPMu8YQRFVdUvtSpaAs8OFfGQ0ia3LGZcjA6Ik2+xcqscEJzNH+qh8V m5jjp28yZgaqTaRbg3M/+MTbMpicpZuqF4rnB0AQD12/3BNWDR6bmh+EkYSMcEIpQmBM51qM EKYTQGybRCjpnKHGOxG0rfFY1085mBDZCH5Kx0cl0HVJuQKC+dV2ZY5AqjcKwAxpE75MLFkr wkkEGBECAAkFAlk3nEQCGwwACgkQoDSui/t3IH7nnwCfcJWUDUFKdCsBH/E5d+0ZnMQi+G0A nAuWpQkjM1ASeQwSHEeAWPgskBQL In-Reply-To: <2ad2b572-45b4-42a5-9b7a-80eebfacc80e@suse.com> Content-Transfer-Encoding: quoted-printable X-purgate-ID: tlsNG-16d1c6/1779366415-7FB7DD75-9373102C/0/0 X-purgate-type: clean X-purgate-size: 1860 X-ZohoMail-DKIM: pass (identity @suse.com) X-ZM-MESSAGEID: 1779366430648158500 Content-Type: text/plain; charset="utf-8" Before we can enable scanning of time.c, it needs to be clean wrt blocking rules. Bring boot_tsc_stamp's definition in line with its declaration. For get_s_time_fixed() go a little farther and move it to the x86 header (the function only exists in x86) and do, along with correcting the parameter name, the u64 -> uint64_t a little more widely than strictly necessary. Signed-off-by: Jan Beulich Reviewed-by: Nicola Vetrini --- a/xen/arch/x86/include/asm/time.h +++ b/xen/arch/x86/include/asm/time.h @@ -13,6 +13,8 @@ static inline cycles_t get_cycles(void) return rdtsc_ordered(); } =20 +s_time_t get_s_time_fixed(uint64_t at_tsc); + unsigned long mktime (unsigned int year, unsigned int mon, unsigned int day, unsigned int hour, --- a/xen/arch/x86/time.c +++ b/xen/arch/x86/time.c @@ -95,7 +95,7 @@ static u32 pit_stamp32; static bool __read_mostly using_pit; =20 /* Boot timestamp, filled in head.S */ -u64 __initdata boot_tsc_stamp; +uint64_t __initdata boot_tsc_stamp; =20 /* Per-socket TSC_ADJUST values, for secondary cores/threads to sync to. */ static uint64_t *__read_mostly tsc_adjust; @@ -1656,10 +1656,10 @@ static unsigned long get_wallclock_time( * System Time *************************************************************************= **/ =20 -s_time_t get_s_time_fixed(u64 at_tsc) +s_time_t get_s_time_fixed(uint64_t at_tsc) { const struct cpu_time *t =3D &this_cpu(cpu_time); - u64 tsc, delta; + uint64_t tsc, delta; =20 if ( at_tsc ) tsc =3D at_tsc; --- a/xen/include/xen/time.h +++ b/xen/include/xen/time.h @@ -33,7 +33,6 @@ struct vcpu; typedef int64_t s_time_t; #define PRI_stime PRId64 =20 -s_time_t get_s_time_fixed(u64 at_tick); s_time_t get_s_time(void); unsigned long get_localtime(struct domain *d); uint64_t get_localtime_us(struct domain *d); From nobody Sat May 23 20:59:53 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=quarantine dis=none) header.from=suse.com ARC-Seal: i=1; a=rsa-sha256; t=1779366466; cv=none; d=zohomail.com; s=zohoarc; b=XMT8YnrDmjSojJoA2cFOv1P0iCD7qFA63RiZAZ4tM3SDH7bLg0gwyNdUqLppdhhRmNL7NQy6rwHA38cgUhLiVFJxRWBy+ME+rX2Mu2gyjlAsdkKRiniWqPqeAxVwxu1/9Xr3ng6DJDTa8E8JQZ5pMJH9lR7U6F84JbLkYJfwbhk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1779366466; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=lAIt2T2NR1fpTTlAhn+LK7AFIufteJRF0rZOBZZiV0o=; b=nEqr22M8xmCHo/ycbLsrtR3PZ7vUEQ3ZMuIp9ubh9JD2D0YaKZB0k2ZBqzfetisd0ajKQXGZIMYR9E2zudxL3CcB146ixoXYb28pRPI9JplWFsWC9a7B9yBa1QIhxGg3/Gj+Xc3qLCF+1fNFDDHYgHj5s+v2fyfnrUiZZ8FZbS8= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=quarantine dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 177936646620056.36627363383809; Thu, 21 May 2026 05:27:46 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.1315145.1585006 (Exim 4.92) (envelope-from ) id 1wQ2Ur-0005JZ-Ms; Thu, 21 May 2026 12:27:29 +0000 Received: by outflank-mailman (output) from mailman id 1315145.1585006; Thu, 21 May 2026 12:27:29 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1wQ2Ur-0005JS-JP; Thu, 21 May 2026 12:27:29 +0000 Received: by outflank-mailman (input) for mailman id 1315145; Thu, 21 May 2026 12:27:28 +0000 Received: from mx.expurgate.net ([195.190.135.10]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1wQ2Uq-0005J1-5P for xen-devel@lists.xenproject.org; Thu, 21 May 2026 12:27:28 +0000 Received: from mx.expurgate.net (helo=localhost) by mx.expurgate.net with esmtp id 1wQ2Up-00AbZb-Hd for xen-devel@lists.xenproject.org; Thu, 21 May 2026 14:27:27 +0200 Received: from [10.42.69.4] (helo=localhost) by localhost with ESMTP (eXpurgate MTA 0.9.1) (envelope-from ) id 6a0efa26-2eae-0a2a0a5409dd-0a2a4504ce16-30 for ; Thu, 21 May 2026 14:27:27 +0200 Received: from [209.85.221.42] (helo=mail-wr1-f42.google.com) by tlsNG-ebf023.mxtls.expurgate.net with ESMTPS (eXpurgate 4.56.1) (envelope-from ) id 6a0efa2f-1dec-0a2a45040019-d155dd2ac01e-3 for ; Thu, 21 May 2026 14:27:27 +0200 Received: by mail-wr1-f42.google.com with SMTP id ffacd0b85a97d-4526a8170ceso2958547f8f.2 for ; Thu, 21 May 2026 05:27:27 -0700 (PDT) Received: from [10.156.60.236] (ip-037-024-206-209.um08.pools.vodafone-ip.de. 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Thu, 21 May 2026 05:27:26 -0700 (PDT) Message-ID: <81995cf4-19f4-4146-aea7-d3e57609aa2a@suse.com> Date: Thu, 21 May 2026 14:27:26 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: [PATCH 2/2] x86/time: don't exclude from Eclair scanning From: Jan Beulich To: "xen-devel@lists.xenproject.org" Cc: Andrew Cooper , =?UTF-8?Q?Roger_Pau_Monn=C3=A9?= , Teddy Astie , Nicola Vetrini References: <2ad2b572-45b4-42a5-9b7a-80eebfacc80e@suse.com> Content-Language: en-US Autocrypt: addr=jbeulich@suse.com; keydata= xsDiBFk3nEQRBADAEaSw6zC/EJkiwGPXbWtPxl2xCdSoeepS07jW8UgcHNurfHvUzogEq5xk hu507c3BarVjyWCJOylMNR98Yd8VqD9UfmX0Hb8/BrA+Hl6/DB/eqGptrf4BSRwcZQM32aZK 7Pj2XbGWIUrZrd70x1eAP9QE3P79Y2oLrsCgbZJfEwCgvz9JjGmQqQkRiTVzlZVCJYcyGGsD /0tbFCzD2h20ahe8rC1gbb3K3qk+LpBtvjBu1RY9drYk0NymiGbJWZgab6t1jM7sk2vuf0Py O9Hf9XBmK0uE9IgMaiCpc32XV9oASz6UJebwkX+zF2jG5I1BfnO9g7KlotcA/v5ClMjgo6Gl MDY4HxoSRu3i1cqqSDtVlt+AOVBJBACrZcnHAUSuCXBPy0jOlBhxPqRWv6ND4c9PH1xjQ3NP nxJuMBS8rnNg22uyfAgmBKNLpLgAGVRMZGaGoJObGf72s6TeIqKJo/LtggAS9qAUiuKVnygo 3wjfkS9A3DRO+SpU7JqWdsveeIQyeyEJ/8PTowmSQLakF+3fote9ybzd880fSmFuIEJldWxp Y2ggPGpiZXVsaWNoQHN1c2UuY29tPsJgBBMRAgAgBQJZN5xEAhsDBgsJCAcDAgQVAggDBBYC AwECHgECF4AACgkQoDSui/t3IH4J+wCfQ5jHdEjCRHj23O/5ttg9r9OIruwAn3103WUITZee e7Sbg12UgcQ5lv7SzsFNBFk3nEQQCACCuTjCjFOUdi5Nm244F+78kLghRcin/awv+IrTcIWF hUpSs1Y91iQQ7KItirz5uwCPlwejSJDQJLIS+QtJHaXDXeV6NI0Uef1hP20+y8qydDiVkv6l IreXjTb7DvksRgJNvCkWtYnlS3mYvQ9NzS9PhyALWbXnH6sIJd2O9lKS1Mrfq+y0IXCP10eS FFGg+Av3IQeFatkJAyju0PPthyTqxSI4lZYuJVPknzgaeuJv/2NccrPvmeDg6Coe7ZIeQ8Yj t0ARxu2xytAkkLCel1Lz1WLmwLstV30g80nkgZf/wr+/BXJW/oIvRlonUkxv+IbBM3dX2OV8 AmRv1ySWPTP7AAMFB/9PQK/VtlNUJvg8GXj9ootzrteGfVZVVT4XBJkfwBcpC/XcPzldjv+3 HYudvpdNK3lLujXeA5fLOH+Z/G9WBc5pFVSMocI71I8bT8lIAzreg0WvkWg5V2WZsUMlnDL9 mpwIGFhlbM3gfDMs7MPMu8YQRFVdUvtSpaAs8OFfGQ0ia3LGZcjA6Ik2+xcqscEJzNH+qh8V m5jjp28yZgaqTaRbg3M/+MTbMpicpZuqF4rnB0AQD12/3BNWDR6bmh+EkYSMcEIpQmBM51qM EKYTQGybRCjpnKHGOxG0rfFY1085mBDZCH5Kx0cl0HVJuQKC+dV2ZY5AqjcKwAxpE75MLFkr wkkEGBECAAkFAlk3nEQCGwwACgkQoDSui/t3IH7nnwCfcJWUDUFKdCsBH/E5d+0ZnMQi+G0A nAuWpQkjM1ASeQwSHEeAWPgskBQL In-Reply-To: <2ad2b572-45b4-42a5-9b7a-80eebfacc80e@suse.com> Content-Transfer-Encoding: quoted-printable X-purgate-ID: tlsNG-ebf023/1779366447-289723FF-554DA057/0/0 X-purgate-type: clean X-purgate-size: 956 X-ZohoMail-DKIM: pass (identity @suse.com) X-ZM-MESSAGEID: 1779366466966158500 Content-Type: text/plain; charset="utf-8" The justification is wrong, and the file hence shouldn't really be excluded. Signed-off-by: Jan Beulich Reviewed-by: Nicola Vetrini --- a/automation/eclair_analysis/ECLAIR/deviations.ecl +++ b/automation/eclair_analysis/ECLAIR/deviations.ecl @@ -214,11 +214,6 @@ const-qualified." -doc_end =20 -doc_begin=3D"The following file is imported from Linux: ignore for now." --file_tag+=3D{adopted_time_r8_3,"^xen/arch/x86/time\\.c$"} --config=3DMC3A2.R8.3,reports+=3D{deliberate,"any_area(any_loc(file(adopted= _time_r8_3)))&&(any_area(any_loc(file(^xen/include/xen/time\\.h$)))||any_ar= ea(any_loc(file(^xen/arch/x86/include/asm/setup\\.h$))))"} --doc_end - --doc_begin=3D"The following file is imported from Linux: ignore for now." -file_tag+=3D{adopted_cpu_idle_r8_3,"^xen/arch/x86/acpi/cpu_idle\\.c$"} -config=3DMC3A2.R8.3,reports+=3D{deliberate,"any_area(any_loc(file(adopted= _cpu_idle_r8_3)))&&any_area(any_loc(file(^xen/include/xen/pmstat\\.h$)))"} -doc_end