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Tue, 25 Aug 2026 07:28:26 -0700 (PDT) Message-ID: <69cbb2b8-8fed-4aa0-b1c6-0cbe135cb062@suse.com> Date: Tue, 25 Aug 2026 16:27:57 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: [PATCH v2 1/2] symbols: drop _{s,e}extratext 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?= References: 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: Content-Transfer-Encoding: quoted-printable X-purgate-ID: tlsNG-d62444/1787668107-1E465757-FE55F059/0/0 X-purgate-type: clean X-purgate-size: 2250 X-ZohoMail-DKIM: pass (identity @suse.com) X-ZM-MESSAGEID: 1787668130491158500 Content-Type: text/plain; charset="utf-8" We're only about 18.5 years late with this: See Linux commit a3b81113fb66 ("remove support for un-needed _extratext section"), i.e. from the 2.6.25 dev cycle. Signed-off-by: Jan Beulich --- v2: New. --- a/xen/tools/symbols.c +++ b/xen/tools/symbols.c @@ -52,7 +52,7 @@ struct sym_entry { =20 static struct sym_entry *table; static unsigned int table_size, table_cnt; -static unsigned long long _stext, _etext, _sinittext, _einittext, _sextrat= ext, _eextratext; +static unsigned long long _stext, _etext, _sinittext, _einittext; static int all_symbols =3D 0; static int sort_by_name =3D 0; static int map_only =3D 0; @@ -148,10 +148,6 @@ static int read_symbol(FILE *in, struct _sinittext =3D s->addr; else if (strcmp(sym, "_einittext") =3D=3D 0) _einittext =3D s->addr; - else if (strcmp(sym, "_sextratext") =3D=3D 0) - _sextratext =3D s->addr; - else if (strcmp(sym, "_eextratext") =3D=3D 0) - _eextratext =3D s->addr; else if (toupper((uint8_t)stype) =3D=3D 'A') { /* Keep these useful absolute symbols */ @@ -210,18 +206,16 @@ static int symbol_valid(struct sym_entry * and inittext sections are discarded */ if (!all_symbols) { if ((s->addr < _stext || s->addr > _etext) - && (s->addr < _sinittext || s->addr > _einittext) - && (s->addr < _sextratext || s->addr > _eextratext)) + && (s->addr < _sinittext || s->addr > _einittext)) return 0; /* Corner case. Discard any symbols with the same value as - * _etext _einittext or _eextratext; they can move between pass - * 1 and 2 when the symbols data are added. If these symbols - * move then they may get dropped in pass 2, which breaks the + * _etext or _einittext; they can move between pass 1 and 2 + * when the symbols data are added. If these symbols move + * then they may get dropped in pass 2, which breaks the * symbols rules. */ if ((s->addr =3D=3D _etext && strcmp((char*)s->sym + offset, "_etext")) = || - (s->addr =3D=3D _einittext && strcmp((char*)s->sym + offset, "_einit= text")) || - (s->addr =3D=3D _eextratext && strcmp((char*)s->sym + offset, "_eext= ratext"))) + (s->addr =3D=3D _einittext && strcmp((char*)s->sym + offset, "_einit= text"))) return 0; } From nobody Thu Sep 3 07:03:27 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=1787668184; cv=none; d=zohomail.com; s=zohoarc; b=Z9A6AS2fN6f+jnONqLns2B0lr6N1N9+LzmA++NrEQ3bL4cxSAQskaTH24jgZj80JmAqAbB/e5ARGKHO42oUwXcdKH9YmGvela2W/enkfJoyQrW/BGEdo3OfdEL+fUklaF7EUi3FtFOQvl/MWam5+ZImVrGYivGbG4JXkfJKguIc= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1787668184; 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=LwGdXU8fMsj4QrOOPPW6ftweTPADKeSV8stRdnz5RIQ=; b=HU76forW3Zwa124TI8WsVqjaZaOhztxWlbMUTWKOwhdShhLPKE5IBzOHcldBXXYM6dkndZwtXSuVrPNinjfzh5EbDR+gtqtIk/Qs9yynS/bBBV3B0+WCRHO853TFoXVrfHp9Xvw0UVX+z6aLXMYPhX3edyOH5OQHtXZ76xh0EZE= 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 1787668184845372.983332678908; Tue, 25 Aug 2026 07:29:44 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.1399276.1635431 (Exim 4.92) (envelope-from ) id 1wys9Z-0003OZ-BS; Tue, 25 Aug 2026 14:29:29 +0000 Received: by outflank-mailman (output) from mailman id 1399276.1635431; Tue, 25 Aug 2026 14:29:29 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1wys9Z-0003OQ-8M; Tue, 25 Aug 2026 14:29:29 +0000 Received: by outflank-mailman (input) for mailman id 1399276; Tue, 25 Aug 2026 14:29:28 +0000 Received: from mx.expurgate.net ([194.145.224.10]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1wys9Y-0003OI-IB for xen-devel@lists.xenproject.org; Tue, 25 Aug 2026 14:29:28 +0000 Received: from mx.expurgate.net (helo=localhost) by mx.expurgate.net with esmtp id 1wys9X-002uBq-VD for xen-devel@lists.xenproject.org; Tue, 25 Aug 2026 16:29:27 +0200 Received: from [10.42.69.1] (helo=localhost) by localhost with ESMTP (eXpurgate MTA 0.9.1) (envelope-from ) id 6a8da6bc-8faa-0a2a0a5109dd-0a2a4501d396-22 for ; Tue, 25 Aug 2026 16:29:27 +0200 Received: from [209.85.208.54] (helo=mail-ed1-f54.google.com) by tlsNG-d62444.mxtls.expurgate.net with ESMTPS (eXpurgate 4.57.1) (envelope-from ) id 6a8da6c7-5984-0a2a45010019-d155d036f132-3 for ; Tue, 25 Aug 2026 16:29:27 +0200 Received: by mail-ed1-f54.google.com with SMTP id 4fb4d7f45d1cf-6a3fda88184so7391946a12.3 for ; Tue, 25 Aug 2026 07:29:27 -0700 (PDT) Received: from [10.156.60.236] (ip-037-024-206-209.um08.pools.vodafone-ip.de. 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Tue, 25 Aug 2026 07:29:27 -0700 (PDT) Message-ID: Date: Tue, 25 Aug 2026 16:29:25 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: [PATCH v2 2/2] symbols: also special-case symbols aliasing _sinittext 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?= References: 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: Content-Transfer-Encoding: quoted-printable X-purgate-ID: tlsNG-d62444/1787668167-BE27A757-4EC6F454/0/0 X-purgate-type: clean X-purgate-size: 1190 X-ZohoMail-DKIM: pass (identity @suse.com) X-ZM-MESSAGEID: 1787668186494158500 Content-Type: text/plain; charset="utf-8" A recent 4.22 randconfig build job hit a situation where (LIVEPATCH=3Dn, i.e. --all-symbols not specified) both __note_gnu_build_id_end and _erodata aliased _sinittext on the 1st linking pass, but they didn't on the 2nd one. As a result two fewer symbols were emitted on the 2nd pass, causing $(call compare-symbol-tables, ...) to fail. Extend the existing "corner case" by also considering aliases with _sinittext (_stext really shouldn't have anything ahead of it), but discard only non-text symbols. Signed-off-by: Jan Beulich --- v2: Re-base over _{s,e}extratext removal. Add const to cast. --- a/xen/tools/symbols.c +++ b/xen/tools/symbols.c @@ -217,6 +217,11 @@ static int symbol_valid(struct sym_entry if ((s->addr =3D=3D _etext && strcmp((char*)s->sym + offset, "_etext")) = || (s->addr =3D=3D _einittext && strcmp((char*)s->sym + offset, "_einit= text"))) return 0; + /* Same for non-text aliases of _sinittext or _sextratext. */ + if (toupper(*s->sym) !=3D 'T' + && s->addr =3D=3D _sinittext + && strcmp((const char *)s->sym + offset, "_sinittext")) + return 0; } =20 /* Exclude symbols which vary between passes. */