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GET /api/patches/2221837/?format=api
{ "id": 2221837, "url": "http://patchwork.ozlabs.org/api/patches/2221837/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260410120319.924028412@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": "<20260410120319.924028412@kernel.org>", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/20260410120319.924028412@kernel.org/", "date": "2026-04-10T12:21:19", "name": "[35/38] s390: Select ARCH_HAS_RANDOM_ENTROPY", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "4af0bf366c87df4edbea0524aaca03ff2fd9aae2", "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/20260410120319.924028412@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/2221837/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2221837/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linuxppc-dev+bounces-19605-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=nXK4IjII;\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 22:22:50 +1000 (AEST)", "from boromir.ozlabs.org (localhost [127.0.0.1])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 4fsbWS4zsLz3f1j;\n\tFri, 10 Apr 2026 22:21:24 +1000 (AEST)", "from sea.source.kernel.org (sea.source.kernel.org\n [IPv6:2600:3c0a:e001:78e:0:1991:8:25])\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 lists.ozlabs.org (Postfix) with ESMTPS id 4fsbWR5jqFz2ytj\n\tfor <linuxppc-dev@lists.ozlabs.org>; Fri, 10 Apr 2026 22:21:23 +1000 (AEST)", "from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58])\n\tby sea.source.kernel.org (Postfix) with ESMTP id 0543642A47;\n\tFri, 10 Apr 2026 12:21:22 +0000 (UTC)", "by smtp.kernel.org (Postfix) with ESMTPSA id 2DC20C2BCAF;\n\tFri, 10 Apr 2026 12:21:21 +0000 (UTC)" ], "ARC-Seal": "i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1775823684;\n\tcv=none;\n b=dgBfu65DMzBj8Warrnd6q/FGcU4J/cxGGREviikaeNvS4vbciLW29DRDOpZAOkfocu4G6nOsamGsZu2h7cUoDmRh3oZAfAoHvbsrE0+AFhg4vTY/UWhL/wY7WhjZZeUQVLc6vjU6Sb8Wx+Kdg8LDF4PqaBIQCkgC34GlIQQYUTUa210JaXIBKfEqVVvpR4VBoe5OGMANp/cf4w30ASw84EmY7N3VOzoQY931KPDk0TG7/amdlvSUHuYDjxbHFBo+DTMqM7nRTgcAjt2RXsFeGcO2GY7RTLSNC6NDGC0N6MVExkM7xSfE9vyaT76V+L/hkQ9w6bbQKfCLjpAsL1nqUQ==", "ARC-Message-Signature": "i=1; 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a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n\ts=k20201202; t=1775823681;\n\tbh=OPcZi/R5r87GvmWT5SIJxVBbPPoFFtvzuT/73U4xw6M=;\n\th=Date:From:To:Cc:Subject:References:From;\n\tb=nXK4IjIIYC4xFxjX1itXAh56E7vQfZ/FFg1BbCs9BTXZuysjAps9x9bTN1xwZq3nZ\n\t nGcIQtUczMHcNVAOXl3hUPdL+RNfqdz89/sEUMpghyMK10SkqIQqjoKkLYlZIDgGQg\n\t 6k/60XarMgLYO/edAAklc4cY8bckLykp1FNwUtHWQrXz6RHvG4M2KbuAE5KrJ4anwq\n\t KM/F3nJU8E8F/VqEi0tPDyEpicMuyuDi9K4xS5dK75o3zu+aRbSw7hWtA0AaEaHPPT\n\t N9wVjGhL4hXB+rfUE/x4Qggo67acuAQqBh4RtUYL+MOxGvNcfvlrnmgwbgp5vSVReB\n\t QZ733oHdFO0vw==", "Date": "Fri, 10 Apr 2026 14:21:19 +0200", "Message-ID": "<20260410120319.924028412@kernel.org>", "User-Agent": "quilt/0.68", "From": "Thomas Gleixner <tglx@kernel.org>", "To": "LKML <linux-kernel@vger.kernel.org>", "Cc": "Heiko Carstens <hca@linux.ibm.com>,\n linux-s390@vger.kernel.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 Michael Ellerman <mpe@ellerman.id.au>,\n linuxppc-dev@lists.ozlabs.org,\n Paul Walmsley <pjw@kernel.org>,\n linux-riscv@lists.infradead.org,\n \"David S. Miller\" <davem@davemloft.net>,\n sparclinux@vger.kernel.org", "Subject": "[patch 35/38] s390: 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 non-architecture usage of get_cycles() is to provide\nrandom_get_entropy().\n\nSwitch s390 over to the new scheme of selecting ARCH_HAS_RANDOM_ENTROPY and\nproviding random_get_entropy() in asm/random.h.\n\nAdd 'asm/timex.h' includes to the relevant files, so the global include can\nbe removed once all architectures are converted over.\n\nSigned-off-by: Thomas Gleixner <tglx@kernel.org>\nCc: Heiko Carstens <hca@linux.ibm.com>\nCc: linux-s390@vger.kernel.org\n---\n arch/s390/Kconfig | 1 +\n arch/s390/include/asm/random.h | 12 ++++++++++++\n arch/s390/include/asm/timex.h | 6 ------\n arch/s390/kernel/time.c | 1 +\n arch/s390/kernel/vtime.c | 1 +\n 5 files changed, 15 insertions(+), 6 deletions(-)", "diff": "--- a/arch/s390/Kconfig\n+++ b/arch/s390/Kconfig\n@@ -108,6 +108,7 @@ config S390\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\n \tselect ARCH_HAS_SET_DIRECT_MAP\n \tselect ARCH_HAS_SET_MEMORY\n--- /dev/null\n+++ b/arch/s390/include/asm/random.h\n@@ -0,0 +1,12 @@\n+/* SPDX-License-Identifier: GPL-2.0 */\n+#ifndef _ASM_S390_RANDOM_H\n+#define _ASM_S390_RANDOM_H\n+\n+#include <asm/timex.h>\n+\n+static inline unsigned long random_get_entropy(void)\n+{\n+\treturn (unsigned long)get_tod_clock_monotonic() >> 2;\n+}\n+\n+#endif\n--- a/arch/s390/include/asm/timex.h\n+++ b/arch/s390/include/asm/timex.h\n@@ -219,12 +219,6 @@ static inline unsigned long get_tod_cloc\n \treturn tod;\n }\n \n-static inline cycles_t get_cycles(void)\n-{\n-\treturn (cycles_t)get_tod_clock_monotonic() >> 2;\n-}\n-#define get_cycles get_cycles\n-\n /**\n * tod_to_ns - convert a TOD format value to nanoseconds\n * @todval: to be converted TOD format value\n--- a/arch/s390/kernel/time.c\n+++ b/arch/s390/kernel/time.c\n@@ -50,6 +50,7 @@\n #include <asm/irq_regs.h>\n #include <asm/vtimer.h>\n #include <asm/stp.h>\n+#include <asm/timex.h>\n #include <asm/cio.h>\n #include \"entry.h\"\n \n--- a/arch/s390/kernel/vtime.c\n+++ b/arch/s390/kernel/vtime.c\n@@ -14,6 +14,7 @@\n #include <linux/time.h>\n #include <asm/alternative.h>\n #include <asm/cputime.h>\n+#include <asm/timex.h>\n #include <asm/vtimer.h>\n #include <asm/vtime.h>\n #include <asm/cpu_mf.h>\n", "prefixes": [ "35/38" ] }