From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A2EF2330D2A for ; Tue, 11 Aug 2026 20:36:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786480593; cv=none; b=FftDiVc9nZ9Ma+Fy0AGmYO0kT1LKWztIhRZHxvNmC/KrA75+QsrBTe1t8itYxyBwZ/HVMjKnn1nSJIFJwSfGFkpueII1yn9cDXNguafPxqGKoALlMPS+eLl+9mO5lB43HlTMekuNZj/YHcTMEvfdqjhSnL3sfn77/d+YSfrKoew= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786480593; c=relaxed/simple; bh=si4E3FpnWMCL6KtjUNmeu+wca1502TXP9RfPHaajHlA=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=WCNzMHaU2u8Wv7NfANk5TsgEHSjvJ95SQRyj4/Q9MG6kEtIPtBkBQwuYbkII0jvtI72LqRttWtm0Mzc9dggp3+Zrvhm1fcnN19pCKETpEB8gx/4ObkisOnJbfVjxIPDuEalTnVthoxpX+jdDY5tvAvz0CTus9dDvLRC024YbfE0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=LW0hRWOm; dkim=pass (2048-bit key) header.d=redhat.com header.i=@redhat.com header.b=dFCANw5E; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="LW0hRWOm"; dkim=pass (2048-bit key) header.d=redhat.com header.i=@redhat.com header.b="dFCANw5E" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1786480590; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:autocrypt:autocrypt; bh=+UIxMzhyPyaNmCtNkXl8JJ8tSwnCDMaAh+5CAp4EXJA=; b=LW0hRWOmZmn6drFwTmeu3UZ72Osoe0EgmQdLIJg5wNhpsqw1qPKQLb55cZEA/2nqV6DwhW vjTVQWZBZKLPxaOy7VsmHrP6z1RkZEJr3/SbKSdKfi6M6xmuwN7GgDPrRnevpDeRheUO9Y qHwyLiAcb6Xmzg+3YCR7a9Mm4BJAa+4= Received: from mail-qt1-f198.google.com (mail-qt1-f198.google.com [209.85.160.198]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-97-zKBgHvwEOcWJdfkT5lLbTQ-1; Tue, 11 Aug 2026 16:36:23 -0400 X-MC-Unique: zKBgHvwEOcWJdfkT5lLbTQ-1 X-Mimecast-MFC-AGG-ID: zKBgHvwEOcWJdfkT5lLbTQ_1786480583 Received: by mail-qt1-f198.google.com with SMTP id d75a77b69052e-5283df62d68so712741cf.0 for ; Tue, 11 Aug 2026 13:36:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=google; t=1786480582; x=1787085382; darn=vger.kernel.org; h=content-transfer-encoding:content-type:in-reply-to:autocrypt:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:from:to:cc:subject:date:message-id:reply-to :content-type; bh=+UIxMzhyPyaNmCtNkXl8JJ8tSwnCDMaAh+5CAp4EXJA=; b=dFCANw5EX4as3ztze/nMR+pVc39CZegaxIlZmkwu4zQFjPR11u1Xd4BKSbCkhcaxMf B6esc+Da8J1zkSmD7HTVlNbqFEWOnFKeZQAoXFKj0pSj5AIAqSNX8PThYxEDahVYftCf 6owjVYtpydOCowMs9urebllRSpsQSg5tTTeWwz8b8alffBVsTK3CXCV1VejdBIAlLe9G 65RJzb4Dqec7pIP1PMSIfAbMOe3T4SJHCIT4mb+hl1YqyVFOP9NUzoZO9H2SQ5mNDyXe +WlBGwaBpX9PmBbkMKYthtFiijTUPEhHR9nfAVPVrtbt/X0rUy/Te5hpf0Z1J6Ps10+J NueQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1786480582; x=1787085382; h=content-transfer-encoding:content-type:in-reply-to:autocrypt:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=+UIxMzhyPyaNmCtNkXl8JJ8tSwnCDMaAh+5CAp4EXJA=; b=fILd9KfPC+WbpU9Bxsp0eHQc6qMHkkqmhGmdz/+uHKJYs1o+52cgO3Zy7qbtjBkew6 V6mkUhsDILfiUjJ8IgmlFVGbUZIZP6T5BvfeDnib43ilDz2DphBFr5UBmG/gsmBL1tpm hkOx4RWKwQy3N7GqV2q9hT+RIfswpnOHGv1B/2rR5wpC4QGOk9kG4d1Z6FeenAf+awst fn2CgpGtTL/l4DHhIrDmc7FHLyTlHNQsCEpLAliaV7I/ZUF3835cRayjNiyWTHr34PUG KoVRiuGnnsuKKT40iOwgkXupKVScVWOJ7goQjK1k/K0G/x9wyTJIyNEQTieMpJjbGQux tr5g== X-Gm-Message-State: AOJu0Yys32zk1JQCfwl3PMOJiH8mArabAFsWUgjjdcqiRwA080sQpPai 2FfFRhRozc1LRjfLLB2P+wHdGLk2MKjuiPCtu6tsDgZfvgu8MBy5FQNa04VbqrJUdkwEtSIQ39A 5J1LdnEXjTwvig5pYhQ41dp4aNeOiqgkbXet+/W8VMm4RyeW3SXdd4ZKtNuYmrPzmq6qwjKmDdg == X-Gm-Gg: AR+sD11xD9OXYXXovPOVVcGj+OE8ka9kdFi/FSHY9jb4aBMtRm+ylwc+mqIEoj1w+1R SL6AUXbexGM8E9OCNs5KPAzQPRYvAtUtNcFhKmkX4POHU+gSOvoC2rZI/BLcM5J6ZXT3cfsmwu8 Vowg/yDjaHCPldEJVeeVUfVbYIDOD04KgyyjbvssOfRECkw40AJv5OcevYfq3Iqd1U30I/VahrM 443dP00uQLiZP+uZfMFnOKBCG2Jss4E84+WMuEXWIMekGEWT2P0X0/bRDtcs0mkp7ZAVvXAatOm XZ4Z304dD+JfeTByEj0dYmG4S0tJnbFkEmJykNKTtmWuqEDIew8EO/zqZwMhs/V+yK3ew41p76M MWa2nh94ICEg9ul5Q9yDWLuxUTnIzKwWlWk00OYqaTQ06Vbdtcnde0rpn X-Received: by 2002:a05:622a:411a:b0:51a:89c1:1eef with SMTP id d75a77b69052e-52d646fa27fmr66741cf.14.1786480582634; Tue, 11 Aug 2026 13:36:22 -0700 (PDT) X-Received: by 2002:a05:622a:411a:b0:51a:89c1:1eef with SMTP id d75a77b69052e-52d646fa27fmr66351cf.14.1786480582172; Tue, 11 Aug 2026 13:36:22 -0700 (PDT) Received: from [192.168.1.26] (pool-68-160-160-85.bstnma.fios.verizon.net. [68.160.160.85]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-90a6c26e595sm7218106d6.1.2026.08.11.13.36.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 11 Aug 2026 13:36:21 -0700 (PDT) Message-ID: Date: Tue, 11 Aug 2026 16:36:20 -0400 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 0/9] objtool/klp: sympos/module/alternative/etc fixes To: Josh Poimboeuf , x86@kernel.org Cc: linux-kernel@vger.kernel.org, live-patching@vger.kernel.org, Peter Zijlstra , Miroslav Benes , Petr Mladek , Song Liu References: Content-Language: en-US From: Joe Lawrence Autocrypt: addr=joe.lawrence@redhat.com; keydata= xsFNBFgTlmsBEADfrZirrMsj9Z9umoJ5p1rgOitLBABITvPO2x5eGBRfXbT306zr226bhfPj +SDlaeIRwKoQvY9ydB3Exq8bKObYZ+6/OAVIDPHBVlnZbysutSHsgdaGqTH9fgYhoJlUIApz suQL0MIRkPi0y+gABbH472f2dUceGpEuudIcGvpnNVTYxqwbWqsSsfT1DaAz9iBCeN+T/f/J 5qOXyZT7lC6vLy07eGg0uBh9jQznhbfXPIev0losNe7HxvgaPaVQ+BS9Q8NF8qpvbgpO+vWQ ZD5+tRJ5t85InNiWR3bv01GcGXEjEVTnExYypajVuHxumqJeqGNeWvx26cfNRQJQxVQNV7Gz iyAmJO7UulyWQiJqHZPcXAfoWyeKKAJ37YIYfE3k+rm6ekIwSgc9Lacf+KBfESNooU1LnwoQ ok9Q6R5r7wqnhCziqXHfyN2YGhm0Wx4s7s6xIVrx3C5K0LjXBisjAthG/hbPhJvsCz5rTOmP jkr+GSwBy2XUdOmtgq1IheBFwvWf08vrzNRCqz3iI1CvRpz0ZYBazmkz924u4ul6W7JuCdgy qW3UDLA77XlzFrA7nJ6rb77aZF7LJlkahX7lMaKZUzH+K4aVKTdvZ3szm9K+v0iixsM0TEnz oWsZgrkAA0OX2lpLfXvskoujQ84lY989IF+nUwy0wRMJPeqNxwARAQABzSZKb2UgTGF3cmVu Y2UgPGpvZS5sYXdyZW5jZUByZWRoYXQuY29tPsLBlgQTAQgAQAIbAwcLCQgHAwIBBhUIAgkK CwQWAgMBAh4BAheAFiEEXzkJ3py1AClxRoHJx96nQticmuUFAmF2uf8FCRLJJRQACgkQx96n QticmuU69A/9FB5eF5kc392ifa/G6/m8q5BKVUXBMWy/RcRaEVUwl9lulJd99tkZT5KwwdIU eYSpmT4SXrMzHj3mWe8RcFT9S39RvmZA6UKQkt9mJ+dvUVyDW1pqAB+S6+AEJyzw9AoVPSIG WcHTCHdJZfZOMmFjDyduww7n94qXLO0oRMhjvR9vUqfBgEBSLzRSK96HI38brAcj33Q3lCkf 8uNLEAHVxN57bsNXxMYKo/i7ojFNCOyFEdPCWUMSF+M0D9ScXZRZCwbx0369yPSoNDgSIS8k iC/hbP2YMqaqYjxuoBzTTFuIS60glJu61RNealNjzvdlVz3RnNvD4yKz2JUsEsNGEGi4dRy7 tvULj0njbwdvxV/gRnKboWhXVmlvB1qSfimSNkkoCJHXCApOdW0Og5Wyi+Ia6Qym3h0hwG0r r+w8USCn4Mj5tBcRqJKITm92IbJ73RiJ76TVJksC0yEfbLd6x1u6ifNQh5Q7xMYk0t4VF6bR 56GG+3v1ci1bwwY5g1qfr7COU7in2ZOxhEpHtdt08MDSDFB3But4ko8zYqywP4sxxrJFzIdq 7Kv8a2FsLElJ3xG7jM260sWJfgZNI5fD0anbrzn9Pe1hShZY+4LXVJR/k3H01FkU9jWan0G/ 8vF04bVKng8ZUBBT/6OYoNQHzQ9z++h5ywgMTITy5EK+HhnOwU0EWBOWawEQALxzFFomZI1s 4i0a6ZUn4eQ6Eh2vBTZnMR2vmgGGPZNZdd1Ww62VnpZamDKFddMAQySNuBG1ApgjlFcpX0kV zm8PCi8XvUo0O7LHPKUkOpPM1NJKE1E3n5KqVbcTIftdTu3E/87lwBfEWBHIC+2K6K4GwSLX AMZvFnwqkdyxm9v0UiMSg87Xtf2kXYnqkR5duFudMrY1Wb56UU22mpZmPZ3IUzjV7YTC9Oul DYjkWI+2IN+NS8DXvLW8Dv4ursCiP7TywkxaslVT8z1kqtTUFPjH10aThjsXB5y/uISlj7av EJEmj2Cbt14ps6YOdCT8QOzXcrrBbH2YtKp2PwA3G3hyEsCFdyal8/9h0IBgvRFNilcCxxzq 3gVtrYljN1IcXmx87fbkV8uqNuk+FxR/dK1zgjsGPtuWg1Dj/TrcLst7S+5VdEq87MXahQAE O5qqPjsh3oqW2LtqfXGSQwp7+HRQxRyNdZBTOvhG0sys4GLlyKkqAR+5c6K3Qxh3YGuA77Qb 1vGLwQPfGaUo3soUWVWRfBw8Ugn1ffFbZQnhAs2jwQy3CILhSkBgLSWtNEn80BL/PMAzsh27 msvNMMwVj/M1R9qdk+PcuEJXvjqQA4x/F9ly/eLeiIvspILXQ5LodsITI1lBN2hQSbFFYECy a4KuPkYHPZ3uhcfB0+KroLRxABEBAAHCwXwEGAEIACYCGwwWIQRfOQnenLUAKXFGgcnH3qdC 2Jya5QUCYXa52AUJEskk7QAKCRDH3qdC2Jya5awND/9d9YntR015FVdn910u++9v64fchT+m LqD+WL24hTUMOKUzAVxq+3MLN4XRIcig4vnLmZ2sZ7VXstsukBCNGdm8y7Y8V1tXqeor82IY aPzfFhcTtMWOvrb3/CbwxHWM0VRHWEjR7UXG0tKt2Sen0e9CviScU/mbPHAYsQDkkbkNFmaV KJjtiVlTaIwq/agLZUOTzvcdTYD5QujvfnrcqSaBdSn1+LH3af5T7lANU6L6kYMBKO+40vvk r5w5pyr1AmFU0LCckT2sNeXQwZ7jR8k/7n0OkK3/bNQMlLx3lukVZ1fjKrB79b6CJUpvTUfg 9uxxRFUmO+cWAjd9vOHT1Y9pgTIAELucjmlmoiMSGpbhdE8HNesdtuTEgZotpT1Q2qY7KV5y 46tK1tjphUw8Ln5dEJpNv6wFYFKpnKsiiHgWAaOuWkpHWScKfNHwdbXOw7kvIOrHV0euKhFa 0j0S2Arb+WjjMSJQ7WpC9rzkq1kcpUtdWnKUC24WyZdZ1ZUX2dW2AAmTI1hFtHw42skGRCXO zOpdA5nOdOrGzIu0D9IQD4+npnpSIL5IW9pwZMkkgoD47pdeekzG/xmnvU7CF6iDBzwuG3CC FPtyZxmwRVoS/YeBgzoyEDTwUJDzNGrkkNKnaUbDpg4TLRSCUUhmDUguj0QCa4n8kYoaAw9S pNzsRQ== In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 8/7/26 5:37 PM, Josh Poimboeuf wrote: > v3: > - remove "size = 0" and add comments to create_fake_symbols() > - add patches 8 & 9 > > v2: https://lore.kernel.org/cover.1785939903.git.jpoimboe@kernel.org > - rebased on tip/master (first 6 patches were merged) > - dropped original patches 7-8 (will post followup) > - added .klp.symid fix > > v1: https://lore.kernel.org/cover.1785727106.git.jpoimboe@kernel.org > > This consolidates fixes for the klp-build issues reported by Joe over > the last several weeks, plus some more things I found while > testing/reviewing. > > Joe Lawrence (1): > objtool/klp: Allow new references to module exports > > Josh Poimboeuf (8): > objtool/klp: Fix vmlinux .klp.symid link error for .no_trim_symbol > symbols > objtool/klp: Fix size of empty special section entries > objtool/klp: Ignore replacement offset of empty x86 alternatives > objtool/klp: Explicitly disallow patching or referencing init > code/data > objtool/klp: Fix cross-module klp relocation section naming > objtool/klp: Don't match local symbols against exports > objtool/klp: Fix relocations for EXPORT_SYMBOL_FOR_MODULES() symbols > objtool/klp: Fix line numbers in Module.symvers parse errors > > tools/objtool/arch/x86/special.c | 27 ++++++ > tools/objtool/include/objtool/klp.h | 10 ++- > tools/objtool/include/objtool/special.h | 7 ++ > tools/objtool/klp-diff.c | 106 ++++++++++++++++++++---- > tools/objtool/klp-post-link.c | 53 +++++++----- > tools/objtool/klp-symid.c | 1 + > tools/objtool/klp-sympos.c | 10 +++ > 7 files changed, 175 insertions(+), 39 deletions(-) > For the series: Acked-by: Joe Lawrence Previous test cases from the earlier parent patchsets and reports run positive now. Thanks, -- Joe