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GET /api/patches/2221834/?format=api
{ "id": 2221834, "url": "http://patchwork.ozlabs.org/api/patches/2221834/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260410120319.789114053@kernel.org/", "project": { "id": 2, "url": "http://patchwork.ozlabs.org/api/projects/2/?format=api", "name": "Linux PPC development", "link_name": "linuxppc-dev", "list_id": "linuxppc-dev.lists.ozlabs.org", "list_email": "linuxppc-dev@lists.ozlabs.org", "web_url": "https://github.com/linuxppc/wiki/wiki", "scm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git", "webscm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/", "list_archive_url_format": "https://lore.kernel.org/linuxppc-dev/{}/", "commit_url_format": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id={}" }, "msgid": "<20260410120319.789114053@kernel.org>", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/20260410120319.789114053@kernel.org/", "date": "2026-04-10T12:21:09", "name": "[33/38] powerpc: Select ARCH_HAS_RANDOM_ENTROPY", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "7dd5085d8e3ae1dd48513d69e7f2673bacdd35ff", "submitter": { "id": 92397, "url": "http://patchwork.ozlabs.org/api/people/92397/?format=api", "name": "Thomas Gleixner", "email": "tglx@kernel.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260410120319.789114053@kernel.org/mbox/", "series": [ { "id": 499449, "url": "http://patchwork.ozlabs.org/api/series/499449/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=499449", "date": "2026-04-10T12:18:27", "name": "treewide: Cleanup LATCH, CLOCK_TICK_RATE and get_cycles() [ab]use", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/499449/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2221834/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2221834/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linuxppc-dev+bounces-19603-incoming=patchwork.ozlabs.org@lists.ozlabs.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linuxppc-dev@lists.ozlabs.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=t+6BdojJ;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=112.213.38.117; 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Fri, 10 Apr 2026 22:21:14 +1000 (AEST)", "from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58])\n\tby sea.source.kernel.org (Postfix) with ESMTP id 6E75043A9E;\n\tFri, 10 Apr 2026 12:21:12 +0000 (UTC)", "by smtp.kernel.org (Postfix) with ESMTPSA id 8E4B2C2BC87;\n\tFri, 10 Apr 2026 12:21:11 +0000 (UTC)" ], "ARC-Seal": "i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1775823674;\n\tcv=none;\n b=PafERFDGqAJYe5GO5rDEVcqdopy6KIOg1kdUjY9d2iAoFJ3yjCScRs3FArjsaBAwolAUG/4fQ4uCLRVMyhYd18zSNWEYwWGToZIlUyKWOh6Wnf1qeSCC2P193QvX8Pt2gDNFgdHFsCz6XNOPe2RsVuQBickW5QWis6391UhZ5F3mYgWLtB4sD64IfPgOVLQ3VZicjOTEPn3g2hgyNsA8JBXlnKVrCotJHd+RI+i8R6S1q9hpg+ULqUxH4Ib+xtTvMxA9Xm2yiofKhBIwP9S12P0tysMrUjYHAzdVpRQSyjCm5wBh+O6qDkQKyWs0WgRzlV9OB2u89KzOTOgxZEropg==", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707;\n\tt=1775823674; c=relaxed/relaxed;\n\tbh=2HK2S+YO7fB4ujSzajjkO7eLLa83jA73mkIKAqkhMZw=;\n\th=Date:Message-ID:From:To:Cc:Subject:References:MIME-Version:\n\t Content-Type;\n b=Zo8yOnsXTV4QuPEWhYB1ht1c23CrOf/t68vx0MT9WM+kdfbRC6hjRcG4DcKxxc2KsTK+2XYWmVRJz8+E8d8a+jFt9O2PjzBWbE+kjQKGs310zhlu8orohijZopXZXel26fOSEaKqYJKpn722K6TPx5G335Sk1D7lhH0gsHLQCWgI+E6tZ0hG6Lg4yJt0KK72nVTSi2YQMrRDx0uWWPb3iI/12BnJsmyDk/Y/oSBDqvEbmcl7MOqKYp3t6CNtbYOEkI6D9x+Lbv1FFGJOKUGTw6jUH2GvIDeYY04iu+Bu1acdbVjmbQUM0iA4kNEREjrmOynZtgRMVUObAnhr6LP85g==", "ARC-Authentication-Results": "i=1; lists.ozlabs.org;\n dmarc=pass (p=quarantine dis=none) header.from=kernel.org;\n dkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=t+6BdojJ; dkim-atps=neutral;\n spf=pass (client-ip=172.234.252.31; helo=sea.source.kernel.org;\n envelope-from=tglx@kernel.org;\n receiver=lists.ozlabs.org) smtp.mailfrom=kernel.org", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n\ts=k20201202; t=1775823672;\n\tbh=tpcbJjrROej8+Ep0S4yh9w/0viNOJRSIBsQtj9nrduE=;\n\th=Date:From:To:Cc:Subject:References:From;\n\tb=t+6BdojJde/UDdVdrSTxElEId1Y48xNZSVlMYQlGTL0WHNGFs3HWPQxpINyMlW0Tp\n\t I6cN87TfGyJy1fhgMX3eHxGWXyIRGEfK+oj+v7ZqgSkuHT9TIqDSO48kfeefrr2R+6\n\t RZvls6BOQPsjm5E39PGBUAxS3ybrYUwTjTmhDryNFYGgOGgmcHGql9J5M/vSFS9Dpm\n\t Ps3dk0/gjV2/aMyaPlsNujNJN/7qos+7ycvHmAQEpnPn1tOePEJ6rKipC5ku3IQ4UE\n\t ud6vC+9M6N71X0VBW7hJfjso4CmI7VrrHXujC0k5eBTPHkHx5czFPyyVnepx/5Zgc1\n\t GRj7R63OiiEsA==", "Date": "Fri, 10 Apr 2026 14:21:09 +0200", "Message-ID": "<20260410120319.789114053@kernel.org>", "User-Agent": "quilt/0.68", "From": "Thomas Gleixner <tglx@kernel.org>", "To": "LKML <linux-kernel@vger.kernel.org>", "Cc": "Michael Ellerman <mpe@ellerman.id.au>,\n linuxppc-dev@lists.ozlabs.org,\n Arnd Bergmann <arnd@arndb.de>,\n x86@kernel.org,\n Lu Baolu <baolu.lu@linux.intel.com>,\n iommu@lists.linux.dev,\n Michael Grzeschik <m.grzeschik@pengutronix.de>,\n netdev@vger.kernel.org,\n linux-wireless@vger.kernel.org,\n Herbert Xu <herbert@gondor.apana.org.au>,\n linux-crypto@vger.kernel.org,\n Vlastimil Babka <vbabka@kernel.org>,\n linux-mm@kvack.org,\n David Woodhouse <dwmw2@infradead.org>,\n Bernie Thompson <bernie@plugable.com>,\n linux-fbdev@vger.kernel.org,\n \"Theodore Tso\" <tytso@mit.edu>,\n linux-ext4@vger.kernel.org,\n Andrew Morton <akpm@linux-foundation.org>,\n Uladzislau Rezki <urezki@gmail.com>,\n Marco Elver <elver@google.com>,\n Dmitry Vyukov <dvyukov@google.com>,\n kasan-dev@googlegroups.com,\n Andrey Ryabinin <ryabinin.a.a@gmail.com>,\n Thomas Sailer <t.sailer@alumni.ethz.ch>,\n linux-hams@vger.kernel.org,\n \"Jason A. Donenfeld\" <Jason@zx2c4.com>,\n Richard Henderson <richard.henderson@linaro.org>,\n linux-alpha@vger.kernel.org,\n Russell King <linux@armlinux.org.uk>,\n linux-arm-kernel@lists.infradead.org,\n Catalin Marinas <catalin.marinas@arm.com>,\n Huacai Chen <chenhuacai@kernel.org>,\n loongarch@lists.linux.dev,\n Geert Uytterhoeven <geert@linux-m68k.org>,\n linux-m68k@lists.linux-m68k.org,\n Dinh Nguyen <dinguyen@kernel.org>,\n Jonas Bonn <jonas@southpole.se>,\n linux-openrisc@vger.kernel.org,\n Helge Deller <deller@gmx.de>,\n linux-parisc@vger.kernel.org,\n Paul Walmsley <pjw@kernel.org>,\n linux-riscv@lists.infradead.org,\n Heiko Carstens <hca@linux.ibm.com>,\n linux-s390@vger.kernel.org,\n \"David S. Miller\" <davem@davemloft.net>,\n sparclinux@vger.kernel.org", "Subject": "[patch 33/38] powerpc: Select ARCH_HAS_RANDOM_ENTROPY", "References": "<20260410120044.031381086@kernel.org>", "X-Mailing-List": "linuxppc-dev@lists.ozlabs.org", "List-Id": "<linuxppc-dev.lists.ozlabs.org>", "List-Help": "<mailto:linuxppc-dev+help@lists.ozlabs.org>", "List-Owner": "<mailto:linuxppc-dev+owner@lists.ozlabs.org>", "List-Post": "<mailto:linuxppc-dev@lists.ozlabs.org>", "List-Archive": "<https://lore.kernel.org/linuxppc-dev/>,\n <https://lists.ozlabs.org/pipermail/linuxppc-dev/>", "List-Subscribe": "<mailto:linuxppc-dev+subscribe@lists.ozlabs.org>,\n <mailto:linuxppc-dev+subscribe-digest@lists.ozlabs.org>,\n <mailto:linuxppc-dev+subscribe-nomail@lists.ozlabs.org>", "List-Unsubscribe": "<mailto:linuxppc-dev+unsubscribe@lists.ozlabs.org>", "Precedence": "list", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "X-Spam-Status": "No, score=-0.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED,\n\tDKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS\n\tautolearn=disabled version=4.0.1 OzLabs 8", "X-Spam-Checker-Version": "SpamAssassin 4.0.1 (2024-03-25) on lists.ozlabs.org" }, "content": "The only remaining usage of get_cycles() is to provide random_get_entropy().\n\nSwitch powerpc over to the new scheme of selecting ARCH_HAS_RANDOM_ENTROPY\nand providing random_get_entropy() in asm/random.h.\n\nRemove asm/timex.h as it has no functionality anymore.\n\nSigned-off-by: Thomas Gleixner <tglx@kernel.org>\nCc: Michael Ellerman <mpe@ellerman.id.au>\nCc: linuxppc-dev@lists.ozlabs.org\n---\n arch/powerpc/Kconfig | 1 +\n arch/powerpc/include/asm/random.h | 13 +++++++++++++\n arch/powerpc/include/asm/timex.h | 21 ---------------------\n 3 files changed, 14 insertions(+), 21 deletions(-)", "diff": "--- a/arch/powerpc/Kconfig\n+++ b/arch/powerpc/Kconfig\n@@ -150,6 +150,7 @@ config PPC\n \tselect ARCH_HAS_PREEMPT_LAZY\n \tselect ARCH_HAS_PTDUMP\n \tselect ARCH_HAS_PTE_SPECIAL\n+\tselect ARCH_HAS_RANDOM_ENTROPY\n \tselect ARCH_HAS_SCALED_CPUTIME\t\tif VIRT_CPU_ACCOUNTING_NATIVE && PPC_BOOK3S_64\n \tselect ARCH_HAS_SET_MEMORY\n \tselect ARCH_HAS_STRICT_KERNEL_RWX\tif (PPC_BOOK3S || PPC_8xx) && !HIBERNATION\n--- /dev/null\n+++ b/arch/powerpc/include/asm/random.h\n@@ -0,0 +1,13 @@\n+/* SPDX-License-Identifier: GPL-2.0 */\n+#ifndef _ASM_POWERPC_RANDOM_H\n+#define _ASM_POWERPC_RANDOM_H\n+\n+#include <asm/cputable.h>\n+#include <asm/vdso/timebase.h>\n+\n+static inline unsigned long random_get_entropy(void)\n+{\n+\treturn mftb();\n+}\n+\n+#endif\t/* _ASM_POWERPC_RANDOM_H */\n--- a/arch/powerpc/include/asm/timex.h\n+++ b/arch/powerpc/include/asm/timex.h\n@@ -1,21 +0,0 @@\n-/* SPDX-License-Identifier: GPL-2.0 */\n-#ifndef _ASM_POWERPC_TIMEX_H\n-#define _ASM_POWERPC_TIMEX_H\n-\n-#ifdef __KERNEL__\n-\n-/*\n- * PowerPC architecture timex specifications\n- */\n-\n-#include <asm/cputable.h>\n-#include <asm/vdso/timebase.h>\n-\n-ostatic inline cycles_t get_cycles(void)\n-{\n-\treturn mftb();\n-}\n-#define get_cycles get_cycles\n-\n-#endif\t/* __KERNEL__ */\n-#endif\t/* _ASM_POWERPC_TIMEX_H */\n", "prefixes": [ "33/38" ] }