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{ "id": 807379, "url": "http://patchwork.ozlabs.org/api/covers/807379/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-imx/cover/20170830025547.30347-1-nicolas.pitre@linaro.org/", "project": { "id": 19, "url": "http://patchwork.ozlabs.org/api/projects/19/?format=api", "name": "Linux IMX development", "link_name": "linux-imx", "list_id": "linux-imx-kernel.lists.patchwork.ozlabs.org", "list_email": "linux-imx-kernel@lists.patchwork.ozlabs.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20170830025547.30347-1-nicolas.pitre@linaro.org>", "list_archive_url": null, "date": "2017-08-30T02:55:42", "name": "[v2,0/5] make XIP kernel .data compressed in ROM", "submitter": { "id": 4652, "url": "http://patchwork.ozlabs.org/api/people/4652/?format=api", "name": "Nicolas Pitre", "email": "nicolas.pitre@linaro.org" }, "mbox": "http://patchwork.ozlabs.org/project/linux-imx/cover/20170830025547.30347-1-nicolas.pitre@linaro.org/mbox/", "series": [ { "id": 515, "url": "http://patchwork.ozlabs.org/api/series/515/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-imx/list/?series=515", "date": "2017-08-30T02:55:42", "name": "make XIP kernel .data compressed in ROM", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/515/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/807379/comments/", "headers": { "Return-Path": "<linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org>", "X-Original-To": "incoming-imx@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming-imx@bilbo.ozlabs.org", "Authentication-Results": [ "ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.infradead.org\n\t(client-ip=65.50.211.133; helo=bombadil.infradead.org;\n\tenvelope-from=linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org;\n\treceiver=<UNKNOWN>)", "ozlabs.org; dkim=pass (2048-bit key;\n\tunprotected) header.d=lists.infradead.org\n\theader.i=@lists.infradead.org header.b=\"Hlk3InP0\"; \n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=pobox.com header.i=@pobox.com\n\theader.b=\"OqE1Mpgg\"; dkim-atps=neutral" ], "Received": [ "from bombadil.infradead.org (bombadil.infradead.org\n\t[65.50.211.133])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xhqv51k9Cz9sNc\n\tfor <incoming-imx@patchwork.ozlabs.org>;\n\tWed, 30 Aug 2017 12:58:09 +1000 (AEST)", "from localhost ([127.0.0.1] helo=bombadil.infradead.org)\n\tby bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux))\n\tid 1dmtCb-0001RB-RR; Wed, 30 Aug 2017 02:58:01 +0000", "from pb-smtp1.pobox.com ([64.147.108.70] helo=sasl.smtp.pobox.com)\n\tby bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat\n\tLinux)) id 1dmtAs-0008C8-Qg\n\tfor linux-arm-kernel@lists.infradead.org;\n\tWed, 30 Aug 2017 02:56:18 +0000", "from sasl.smtp.pobox.com (unknown [127.0.0.1])\n\tby pb-smtp1.pobox.com (Postfix) with ESMTP id A7171ADBAE;\n\tTue, 29 Aug 2017 22:55:52 -0400 (EDT)", "from pb-smtp1.nyi.icgroup.com (unknown [127.0.0.1])\n\tby pb-smtp1.pobox.com (Postfix) with ESMTP id 996C8ADBAD;\n\tTue, 29 Aug 2017 22:55:52 -0400 (EDT)", "from yoda.home (unknown [70.80.200.199])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby pb-smtp1.pobox.com (Postfix) with ESMTPSA id 069BFADBA9;\n\tTue, 29 Aug 2017 22:55:52 -0400 (EDT)", "from xanadu.home (xanadu.home [192.168.2.2])\n\tby yoda.home (Postfix) with ESMTP id 36DC22DA016B;\n\tTue, 29 Aug 2017 22:55:51 -0400 (EDT)" ], "DKIM-Signature": [ "v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed;\n\td=lists.infradead.org; s=bombadil.20170209; h=Sender:\n\tContent-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe:\n\tList-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:Date:\n\tSubject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date:\n\tResent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:\n\tReferences:List-Owner; bh=X/OZ5+d5xR29DfVcRkmlgQR0GgkLtqpYkpfVqyb/Czo=;\n\tb=Hlk\n\t3InP0Z7+Mbt5aGgGkn332L5EhpTLPQaDTaXepECf3q2Dd0gcoccz/M8SVS3h0peJ6V7a3Vs/MTC/s\n\t2v9eX5QaB4vil8Lg0BmGvrPBJ5N/wbQYpa256AtFVC4lz7ku4PkVg3PdGzSbGMZgNRdXRdjbWXnF/\n\tzSx397tPdCiBo8kmSUy09TsVJZo3eBvFcyLMC1lcH0SW0mlDFzhUcNXbh6uRQ6kcCWQVC3gYC+5Hl\n\t1TIBbJsNVLR7vDsJPjSd3xxQRbRZkP/eQumMedBenRkSGe75KZocol4ALU46Ek0Oh60ilTsqbtQpe\n\trmKOz51j6dT1BzVhiI6W7QcgwzClAJw==;", "v=1; a=rsa-sha1; c=relaxed; d=pobox.com; h=from:to:cc\n\t:subject:date:message-id; s=sasl; bh=lmoDZMG7cf+yT2cW2r2FRPSrivU\n\t=; b=OqE1MpggZoSg+wUg2DUnmptUL1VP5pYRXzW4uXy/MVxMLwjBuOQmmHoAmCu\n\tVmm1Z+bHict5g8ZXA8oXjS/vROj+0lfvmIafOjapYL+y/a3XOKCUhqP6PxbTxR0a\n\tHraAEzXguXvtR0ayWHgN6P9ZQoqfXrEPUIsWJkPOZn7doFuY=" ], "From": "Nicolas Pitre <nicolas.pitre@linaro.org>", "To": "linux-arm-kernel@lists.infradead.org", "Subject": "[PATCH v2 0/5] make XIP kernel .data compressed in ROM", "Date": "Tue, 29 Aug 2017 22:55:42 -0400", "Message-Id": "<20170830025547.30347-1-nicolas.pitre@linaro.org>", "X-Mailer": "git-send-email 2.9.5", "X-Pobox-Relay-ID": "BC02F97A-8D2E-11E7-AB9F-FE4B1A68708C-78420484!pb-smtp1.pobox.com", "X-CRM114-Version": "20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 ", "X-CRM114-CacheID": "sfid-20170829_195615_094420_19B48FD1 ", "X-CRM114-Status": "GOOD ( 12.78 )", "X-Spam-Score": "-1.9 (-)", "X-Spam-Report": "SpamAssassin version 3.4.1 on bombadil.infradead.org summary:\n\tContent analysis details: (-1.9 points)\n\tpts rule name description\n\t---- ----------------------\n\t--------------------------------------------------\n\t-0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/,\n\tlow trust [64.147.108.70 listed in list.dnswl.org]\n\t0.7 SPF_SOFTFAIL SPF: sender does not match SPF record (softfail)\n\t-1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1%\n\t[score: 0.0000]\n\t-0.1 DKIM_VALID Message has at least one valid DKIM or DK signature\n\t0.1 DKIM_SIGNED Message has a DKIM or DK signature,\n\tnot necessarily valid", "X-BeenThere": "linux-arm-kernel@lists.infradead.org", "X-Mailman-Version": "2.1.21", "Precedence": "list", "List-Unsubscribe": "<http://lists.infradead.org/mailman/options/linux-arm-kernel>,\n\t<mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe>", "List-Archive": "<http://lists.infradead.org/pipermail/linux-arm-kernel/>", "List-Post": "<mailto:linux-arm-kernel@lists.infradead.org>", "List-Help": "<mailto:linux-arm-kernel-request@lists.infradead.org?subject=help>", "List-Subscribe": "<http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>,\n\t<mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe>", "Cc": "Chris Brandt <Chris.Brandt@renesas.com>,\n\tRussell King - ARM Linux <linux@armlinux.org.uk>,\n\tArnd Bergmann <arnd@arndb.de>, Ard Biesheuvel <ard.biesheuvel@linaro.org>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Sender": "\"linux-arm-kernel\" <linux-arm-kernel-bounces@lists.infradead.org>", "Errors-To": "linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org", "List-Id": "linux-imx-kernel.lists.patchwork.ozlabs.org" }, "content": "This patch series provides the ability to store the XIP kernel .data\nsegment compressed in ROM. It has to be copied to RAM anyway so\nstoring it uncompressed is arguably a waste of ROM resources.\n\nWhile at it, the copying of .data (when not compressed) and the\nclearing of .bss is now performed using optimized string routines\nrather than doing it one word at a time.\n\nThis work highlighted some defficiencies in linker scripts, especially\nthe XIP one. So this also includes linker script cleanups and fixes.\n\nThis series is also available here:\n\nhttp://git.linaro.org/people/nicolas.pitre/linux xip_zdata\n\nChanges from v1:\n\n- Added major fixes to vmlinux-xip.lds.S\n- Added extra cleanups to vmlinux.lds.S\n- improvements to deflate_xip_data.sh for easier debugging\n- __bss_stop aligned to 64 bits for stack usage in the XIP case\n- Various commit message clarifications\n \ndiffstat:\n\n arch/arm/Kconfig | 11 ++++\n arch/arm/boot/Makefile | 13 ++++-\n arch/arm/boot/deflate_xip_data.sh | 64 +++++++++++++++++++++\n arch/arm/kernel/Makefile | 5 ++\n arch/arm/kernel/head-common.S | 85 +++++++++++++++++-----------\n arch/arm/kernel/head-inflate-data.c | 62 ++++++++++++++++++++\n arch/arm/kernel/vmlinux-xip.lds.S | 94 ++++++++++++++-----------------\n arch/arm/kernel/vmlinux.lds.S | 40 ++-----------\n 8 files changed, 256 insertions(+), 118 deletions(-)" }