{"id":2231901,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2231901/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/patch/20260501143850.2714779-1-bdklingerman@gmail.com/","project":{"id":18,"url":"http://patchwork.ozlabs.org/api/1.1/projects/18/?format=json","name":"U-Boot","link_name":"uboot","list_id":"u-boot.lists.denx.de","list_email":"u-boot@lists.denx.de","web_url":null,"scm_url":null,"webscm_url":null},"msgid":"<20260501143850.2714779-1-bdklingerman@gmail.com>","date":"2026-05-01T14:38:50","name":"Makefile: remove block from conv=block, sync in SPL alignment dd","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"0f335d42147223f6bffd934aadd9bdf9bba84e35","submitter":{"id":93297,"url":"http://patchwork.ozlabs.org/api/1.1/people/93297/?format=json","name":"Brad Klingerman","email":"bdklingerman@gmail.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/uboot/patch/20260501143850.2714779-1-bdklingerman@gmail.com/mbox/","series":[{"id":502467,"url":"http://patchwork.ozlabs.org/api/1.1/series/502467/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/list/?series=502467","date":"2026-05-01T14:38:50","name":"Makefile: remove block from conv=block, sync in SPL alignment dd","version":1,"mbox":"http://patchwork.ozlabs.org/series/502467/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2231901/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2231901/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=gNNC8I+l;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=85.214.62.61; helo=phobos.denx.de;\n envelope-from=u-boot-bounces@lists.denx.de; receiver=patchwork.ozlabs.org)","phobos.denx.de;\n dmarc=fail (p=none dis=none) header.from=gmail.com","phobos.denx.de;\n spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de","phobos.denx.de;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.b=\"gNNC8I+l\";\n\tdkim-atps=neutral","phobos.denx.de;\n dmarc=pass (p=none dis=none) header.from=gmail.com","phobos.denx.de;\n spf=pass smtp.mailfrom=bdklingerman@gmail.com"],"Received":["from phobos.denx.de (phobos.denx.de [85.214.62.61])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g6YlX5nH4z1xqf\n\tfor ; Sat, 02 May 2026 00:46:48 +1000 (AEST)","from h2850616.stratoserver.net (localhost [IPv6:::1])\n\tby phobos.denx.de (Postfix) with ESMTP id 3D44C845E3;\n\tFri, 1 May 2026 16:46:24 +0200 (CEST)","by phobos.denx.de (Postfix, from userid 109)\n id 6F52883E36; Fri, 1 May 2026 16:39:00 +0200 (CEST)","from mail-ot1-x32b.google.com (mail-ot1-x32b.google.com\n [IPv6:2607:f8b0:4864:20::32b])\n (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits))\n (No client certificate requested)\n by phobos.denx.de (Postfix) with ESMTPS id 2B6CC80086\n for ; Fri, 1 May 2026 16:38:58 +0200 (CEST)","by mail-ot1-x32b.google.com with SMTP id\n 46e09a7af769-7dbccf6a23dso1759188a34.2\n for ; Fri, 01 May 2026 07:38:58 -0700 (PDT)","from xps ([97.86.254.41]) by smtp.gmail.com with ESMTPSA id\n 46e09a7af769-7deca7a5e6asm2332675a34.3.2026.05.01.07.38.55\n (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n Fri, 01 May 2026 07:38:56 -0700 (PDT)"],"X-Spam-Checker-Version":"SpamAssassin 3.4.2 (2018-09-13) on phobos.denx.de","X-Spam-Level":"","X-Spam-Status":"No, score=-1.1 required=5.0 tests=BAYES_00,DKIM_SIGNED,\n DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_GMAIL_RCVD,FREEMAIL_FROM,\n RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=no\n autolearn_force=no version=3.4.2","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=gmail.com; s=20251104; t=1777646337; x=1778251137; darn=lists.denx.de;\n h=content-transfer-encoding:mime-version:message-id:date:subject:cc\n :to:from:from:to:cc:subject:date:message-id:reply-to;\n bh=zfUpncIfzzuXgfETeePOpi86eUzr1jVAz91urQ+ue3Q=;\n b=gNNC8I+lBWkElb0jRo/zo1J8/CJdC/7h0TLTp8jXs8Qzfk45Jnie+JrIPYzUpM18pk\n zgzm+lRJIMGTgrJKF9BI9Q2BTLJqHgVPXAVoGVGd1pYeeB8p5N1KPkeJ0f1uwtlP1yuC\n wPjteAnduWEFIYPG2rVl/C+iuNk5qZt5vy/7Q57UECuH71m3+3EUVawpiV9Hs1ScFTdp\n h8Fj28xoHD5FRHa249VP+dt+kowAlG1z8yS5G24xgPWM/1kiXyB165ySUZALvMWz110M\n 64zloQSmo0k4Bj4yaVRjsbK90hBMgWbbTBdwKKZUm3IstDzee6P7w9Yz+6WwdU0ucu9X\n kWNg==","X-Google-DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20251104; t=1777646337; x=1778251137;\n h=content-transfer-encoding:mime-version:message-id:date:subject:cc\n :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date\n :message-id:reply-to;\n bh=zfUpncIfzzuXgfETeePOpi86eUzr1jVAz91urQ+ue3Q=;\n b=sxZ+XV1FeKB43XXV3k9ENLd7o9BuN8CwLgcV29FvFc8r3pjFTQF7LSbxoMhGM2ioR5\n eEeo6ZZ6BCVtVm1LLOBZLnIwiacAZ6+srnkP+NUo/0wyuew626nTfsAjM0/wnEu99Aoo\n Wl41/ICrPoM7PdVnoaeyxvoK8Oum9/iyW0Bmaj0BGsCwa89xsbfKDLMr75OjmhN/HZW6\n DgEr9cNwbvfWneU1yXlr8ZDgbJCkAqdZ3mNTs+jm4lXYoFjCyf1yQplodsiIlvOGqQyT\n z8aEwZTLr1J+q7bRFTTyFgRAD4zmqdwK8AQGQ1fEt8FdHKxNvDUeCPEw/f+JmewFo9tI\n 7owQ==","X-Gm-Message-State":"AOJu0Ywr5QnbvjRZVztcDdjQlfFuCn1eAdnDuxMyyebjuSY22qKT+HBF\n iZ6WkQ3V8+uUSBmiBdO6bEgq8fPMX5bYIuTy5B5h6+Klt4CrI4imTIweO4JE4A==","X-Gm-Gg":"AeBDieu7snJQHyTb/CwZ39qSZanUxEGpc0MnynBB30oXf3IKiTLUMtuKs4AEqHN89Um\n uCZy9ELoEdZ6IhFlmGEuFUaTWL2YJu2JBSLQFFwUibQM5i+4JhZVg8x+dCJvhdstz2Aw7URwKdE\n 7DeZ+lgcgO65nd5or1NrB//jMaj4BBamXNzSH59d8svJ2JixPn5KyscUpR0Tr8UbY56rPt9fAwe\n t7hjkNg0afZwHGLDgfb/8jcF+6X91BsKdCJLP9YuTC9g1QzxQhTyKe4ShmbhhUouRfacKtQIG1m\n hOlAFB9E0IXc/Vpl6Wz/Ot1D+hQbbCx6hIoYF70xU14IS+9LKIfw3LfazUPia7IX9+7tVpuc9aH\n N0iTrcYIZj2NF7onQyWVRSLNOoXoR7jqnmHvUqFqr4EHguI4LFgKDdEa5YvdvnZYXUnqXWAvy5w\n dKGt+D4jxgPw7CArCMnC6NdNqn","X-Received":"by 2002:a05:6830:6b03:b0:7d9:71fa:3079 with SMTP id\n 46e09a7af769-7debdd624damr3920415a34.10.1777646336704;\n Fri, 01 May 2026 07:38:56 -0700 (PDT)","From":"Brad Klingerman ","To":"Tom Rini ","Cc":"u-boot@lists.denx.de","Subject":"[PATCH] Makefile: remove block from conv=block,\n sync in SPL alignment dd","Date":"Fri, 1 May 2026 09:38:50 -0500","Message-ID":"<20260501143850.2714779-1-bdklingerman@gmail.com>","X-Mailer":"git-send-email 2.53.0","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-Mailman-Approved-At":"Fri, 01 May 2026 16:46:21 +0200","X-BeenThere":"u-boot@lists.denx.de","X-Mailman-Version":"2.1.39","Precedence":"list","List-Id":"U-Boot discussion ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" ","X-Virus-Scanned":"clamav-milter 0.103.8 at phobos.denx.de","X-Virus-Status":"Clean"},"content":"The line that produces $(SPL_BIN)-align.bin invokes dd with\nconv=block,sync but no cbs= operand. The result of dd conv=block\nwithout cbs= is unspecified. GNU coreutils outputs anyway, but\nuutils (default in Ubuntu 26.04 LTS) errors out for files with\nnewlines, including SPL binaries, producing:\n\n dd: conv=block or conv=ubnblock specified without cbs=N\n\nEither the block operand must be removed, or cbs=N must be added.\nconv=block is for converting newline-terminated variable-length\nrecords to fixed-length space-padded ones, which is meaningless\nfor a binary SPL image. The intent of the rule is 4-byte\nalignment, which conv=sync alone provides by padding the final\nblock to bs= bytes with NULs.\n\nDuring build, u-boot-spl-align.bin errors silently due to '@'.\n\nReproduced with uutils dd 0.8.0:\n\n $ dd if=/dev/urandom of=/tmp/in bs=1 count=10000\n $ dd if=/tmp/in of=/tmp/out conv=block,sync bs=4\n dd: conv=block or conv=unblock specified without cbs=N\n $ dd if=/tmp/in of=/tmp/out conv=sync bs=4\n [succeeds]\n\nOutput is byte-identical to GNU dd's output for binary input.\n\nSigned-off-by: Brad Klingerman \n---\n scripts/Makefile.xpl | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)","diff":"diff --git a/scripts/Makefile.xpl b/scripts/Makefile.xpl\nindex 862a8e6f231..a3fd3e1375f 100644\n--- a/scripts/Makefile.xpl\n+++ b/scripts/Makefile.xpl\n@@ -257,7 +257,7 @@ MKIMAGEFLAGS_boot.bin = -T zynqmpimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE) \\\n endif\n \n $(obj)/$(SPL_BIN)-align.bin: $(obj)/$(SPL_BIN).bin\n-\t@dd if=$< of=$@ conv=block,sync bs=4 2>/dev/null;\n+\t@dd if=$< of=$@ conv=sync bs=4 2>/dev/null;\n \n spl/boot.bin: $(obj)/$(SPL_BIN)-align.bin FORCE\n \t$(call if_changed,mkimage)\n","prefixes":[]}