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GET /api/1.2/patches/2234464/?format=api
{ "id": 2234464, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2234464/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-mtd/patch/20260507-winbond-v6-18-rc1-spi-nor-swp-v5-8-93453e1a9597@bootlin.com/", "project": { "id": 3, "url": "http://patchwork.ozlabs.org/api/1.2/projects/3/?format=api", "name": "Linux MTD development", "link_name": "linux-mtd", "list_id": "linux-mtd.lists.infradead.org", "list_email": "linux-mtd@lists.infradead.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260507-winbond-v6-18-rc1-spi-nor-swp-v5-8-93453e1a9597@bootlin.com>", "list_archive_url": null, "date": "2026-05-07T16:46:49", "name": "[v5,08/28] mtd: spi-nor: swp: Explain the MEMLOCK ioctl implementation behaviour", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "b2ddaaf0daf0262e68d69090528eaabe81e0b4c3", "submitter": { "id": 73368, "url": "http://patchwork.ozlabs.org/api/1.2/people/73368/?format=api", "name": "Miquel Raynal", "email": "miquel.raynal@bootlin.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-mtd/patch/20260507-winbond-v6-18-rc1-spi-nor-swp-v5-8-93453e1a9597@bootlin.com/mbox/", "series": [ { "id": 503226, "url": "http://patchwork.ozlabs.org/api/1.2/series/503226/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-mtd/list/?series=503226", "date": "2026-05-07T16:46:51", "name": "mtd: spi-nor: Enhance software protection", "version": 5, "mbox": "http://patchwork.ozlabs.org/series/503226/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2234464/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2234464/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n secure) header.d=lists.infradead.org header.i=@lists.infradead.org\n header.a=rsa-sha256 header.s=bombadil.20210309 header.b=ElDGACzT;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n unprotected) header.d=bootlin.com header.i=@bootlin.com header.a=rsa-sha256\n header.s=dkim header.b=RYLmPhfh;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=none (no SPF record) smtp.mailfrom=lists.infradead.org\n (client-ip=2607:7c80:54:3::133; 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a=rsa-sha256; q=dns/txt; c=relaxed/relaxed;\n\td=lists.infradead.org; s=bombadil.20210309; h=Sender:\n\tContent-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post:\n\tList-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References:Message-Id\n\t:MIME-Version:Subject:Date:From:Reply-To:Content-ID:Content-Description:\n\tResent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:\n\tList-Owner; bh=jaqB/ly9rsfBEFUcS3GYxpYihXf1H0uIwZzqZiWDRn4=; b=ElDGACzT3b8AXh\n\thrN1OiR7otgYTi6VofVvkFKm9a4lgXt9YGAYvLqRdCvY1pgqEy5yL406ySCIJ2k9JF5xRXJLbR55P\n\thw4MNaAMwXMBPrGIHATdE3llVYznz28wVrA9ojjho2H03G8gWD3AlXsGYRkow6izeSQf4GU4p0fJZ\n\tDyYRi0YJsliMrHg5SNcTh91ZwDF8jFHKkTkRLAyEF9GGXXZEC2Qe5UHf3ck0Z+tkZEwLOSYNz+71K\n\tArO7BA+eUMo/u/lMGMU1RV2SiGC29pSYWoQqW73VNb97BuQ5wkdkZNAYIH//8Y7U1b1ZmLXRXVgRf\n\t+GkHknNPBrVLJ07ayDRg==;", "v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim;\n\tt=1778172429; h=from:subject:date:message-id:to:cc:mime-version:content-type:\n\t content-transfer-encoding:in-reply-to:references;\n\tbh=DW149RMGV1/vK6x3sFt0RygGY7FkmmkXRKSFTd7Ff0M=;\n\tb=RYLmPhfh3SJ3G9X1Ki2MPVUIx7P+vpnqqgc+rqVzTt+N6K5Galn1WlAH+X3veVvSxJy63j\n\tFaxykj9QRUYAZD7MQa/qtwM5v+zsVsCHZpnAwRJFHdwWTHyWmF6IZr/9JqVv/bt1l7UKAg\n\tg4Bwyrys16IcUYpYmlRjLuUXRETcZCONlEDcegO2LpWClALgtb7aJEphPzefI1S+bY1RRX\n\tFtTmPwFKOdtWewvD24vWCGH1uW12qYzIDXBL6uakXGGM5uiUkCDlt9PzpRMIrdR4OkB6Nd\n\t6xJ0RXpl/CH249ybB0elNdcO0jF7UtvJ/NOoti1OlmS2ksjdKh/71TXjyONxCw==" ], "From": "Miquel Raynal <miquel.raynal@bootlin.com>", "Date": "Thu, 07 May 2026 18:46:49 +0200", "Subject": "[PATCH v5 08/28] mtd: spi-nor: swp: Explain the MEMLOCK ioctl\n implementation behaviour", "MIME-Version": "1.0", "Message-Id": "\n <20260507-winbond-v6-18-rc1-spi-nor-swp-v5-8-93453e1a9597@bootlin.com>", "References": "\n <20260507-winbond-v6-18-rc1-spi-nor-swp-v5-0-93453e1a9597@bootlin.com>", "In-Reply-To": "\n <20260507-winbond-v6-18-rc1-spi-nor-swp-v5-0-93453e1a9597@bootlin.com>", "To": "Pratyush Yadav <pratyush@kernel.org>, Michael Walle <mwalle@kernel.org>,\n Takahiro Kuwano <takahiro.kuwano@infineon.com>,\n Richard Weinberger <richard@nod.at>, Vignesh Raghavendra <vigneshr@ti.com>,\n Jonathan Corbet <corbet@lwn.net>, Tudor Ambarus <tudor.ambarus@linaro.org>,\n Shuah Khan <skhan@linuxfoundation.org>", "Cc": "Sean Anderson <sean.anderson@linux.dev>,\n Thomas Petazzoni <thomas.petazzoni@bootlin.com>,\n Steam Lin <STLin2@winbond.com>, linux-mtd@lists.infradead.org,\n linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org,\n Miquel Raynal <miquel.raynal@bootlin.com>", "X-Mailer": "b4 0.14.3", "X-Last-TLS-Session-Version": "TLSv1.3", "X-CRM114-Version": "20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 ", "X-CRM114-CacheID": "sfid-20260507_094711_506174_A2AAE4AD ", "X-CRM114-Status": "UNSURE ( 9.14 )", "X-CRM114-Notice": "Please train this message.", "X-Spam-Score": "-2.1 (--)", "X-Spam-Report": "Spam detection software,\n running on the system \"bombadil.infradead.org\",\n has NOT identified this incoming email as spam. The original\n message has been attached to this so you can view it or label\n similar future email. If you have any questions, see\n the administrator of that system for details.\n Content preview: Add more details about how these requests are actually\n handled\n in the SPI NOR core. Their behaviour was not entirely clear to me at\n first,\n and explaining them in plain English sounds the way to go. Reviewed-by:\n Michael\n Walle <mwalle@kernel.org> Signed-off-by: Miquel Raynal\n <miquel.raynal@bootlin.com>\n --- drivers/mtd/spi-nor/core.h | 11 ++++++++--- 1 file changed,\n 8 insertions(+),\n 3 deletions(-)\n Content analysis details: (-2.1 points, 5.0 required)\n pts rule name description\n ---- ----------------------\n --------------------------------------------------\n -0.0 SPF_HELO_PASS SPF: HELO matches SPF record\n -0.0 SPF_PASS SPF: sender matches SPF record\n -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from\n envelope-from domain\n -0.1 DKIM_VALID Message has at least one valid DKIM or DK\n signature\n -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from\n author's\n domain\n 0.1 DKIM_SIGNED Message has a DKIM or DK signature,\n not necessarily valid\n -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1%\n [score: 0.0000]\n -0.0 DMARC_PASS DMARC pass policy", "X-BeenThere": "linux-mtd@lists.infradead.org", "X-Mailman-Version": "2.1.34", "Precedence": "list", "List-Id": "Linux MTD discussion mailing list <linux-mtd.lists.infradead.org>", "List-Unsubscribe": "<http://lists.infradead.org/mailman/options/linux-mtd>,\n <mailto:linux-mtd-request@lists.infradead.org?subject=unsubscribe>", "List-Archive": "<http://lists.infradead.org/pipermail/linux-mtd/>", "List-Post": "<mailto:linux-mtd@lists.infradead.org>", "List-Help": "<mailto:linux-mtd-request@lists.infradead.org?subject=help>", "List-Subscribe": "<http://lists.infradead.org/mailman/listinfo/linux-mtd>,\n <mailto:linux-mtd-request@lists.infradead.org?subject=subscribe>", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Sender": "\"linux-mtd\" <linux-mtd-bounces@lists.infradead.org>", "Errors-To": "linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org" }, "content": "Add more details about how these requests are actually handled in the\nSPI NOR core. Their behaviour was not entirely clear to me at first, and\nexplaining them in plain English sounds the way to go.\n\nReviewed-by: Michael Walle <mwalle@kernel.org>\nSigned-off-by: Miquel Raynal <miquel.raynal@bootlin.com>\n---\n drivers/mtd/spi-nor/core.h | 11 ++++++++---\n 1 file changed, 8 insertions(+), 3 deletions(-)", "diff": "diff --git a/drivers/mtd/spi-nor/core.h b/drivers/mtd/spi-nor/core.h\nindex e838c40a2589..22f21497c720 100644\n--- a/drivers/mtd/spi-nor/core.h\n+++ b/drivers/mtd/spi-nor/core.h\n@@ -279,9 +279,14 @@ struct spi_nor_erase_map {\n \n /**\n * struct spi_nor_locking_ops - SPI NOR locking methods\n- * @lock:\tlock a region of the SPI NOR.\n- * @unlock:\tunlock a region of the SPI NOR.\n- * @is_locked:\tcheck if a region of the SPI NOR is completely locked\n+ * @lock:\tlock a region of the SPI NOR, never locks more than what is\n+ *\t\trequested, ie. may lock less.\n+ * @unlock:\tunlock a region of the SPI NOR, never unlocks more than what is\n+ *\t\trequested, ie. may unlock less.\n+ * @is_locked:\tcheck if a region of the SPI NOR is completely locked, returns\n+ *\t\tfalse otherwise. This feeback may be misleading because users\n+ *\t\tmay get an \"unlocked\" status even though a subpart of the region\n+ *\t\tis effectively locked.\n */\n struct spi_nor_locking_ops {\n \tint (*lock)(struct spi_nor *nor, loff_t ofs, u64 len);\n", "prefixes": [ "v5", "08/28" ] }