{"id":2221874,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2221874/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-ext4/patch/20260410120319.658485572@kernel.org/","project":{"id":8,"url":"http://patchwork.ozlabs.org/api/1.2/projects/8/?format=json","name":"Linux ext4 filesystem development","link_name":"linux-ext4","list_id":"linux-ext4.vger.kernel.org","list_email":"linux-ext4@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260410120319.658485572@kernel.org>","list_archive_url":null,"date":"2026-04-10T12:21:00","name":"[31/38] parisc: Select ARCH_HAS_RANDOM_ENTROPY","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"63bd0a9f534e40fe7ded4629fcd02a6846e04a24","submitter":{"id":92397,"url":"http://patchwork.ozlabs.org/api/1.2/people/92397/?format=json","name":"Thomas Gleixner","email":"tglx@kernel.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-ext4/patch/20260410120319.658485572@kernel.org/mbox/","series":[{"id":499451,"url":"http://patchwork.ozlabs.org/api/1.2/series/499451/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-ext4/list/?series=499451","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/499451/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2221874/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2221874/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-ext4@vger.kernel.org"],"Delivered-To":["patchwork-incoming@legolas.ozlabs.org","patchwork-incoming@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=NMEawaGf;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=ozlabs.org\n (client-ip=2404:9400:2221:ea00::3; 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arc=none smtp.client-ip=10.30.226.201"],"DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n\ts=k20201202; t=1775823663;\n\tbh=arEz1VHg70GeH2cUr9Lpy43pf1nP5ZqGj9No6b3NvGc=;\n\th=Date:From:To:Cc:Subject:References:From;\n\tb=NMEawaGfBmItTINOkOidvgB6jXoclDGf78qU2DQLeTlzGLrdEzTDk/muIR3isadas\n\t Eyy5g0FnRv8ECHD8WNjJd+poKDwf709MD2FUA4Zxpq4v2gA+LwpA8vel0ik9BGCmUL\n\t SRAcDP7ql7MsZ2nrhkZkSeh/8fnf2+XnKGt9MLspNLANeefspPmNjhAwKQtf/nBzwq\n\t +qFTCUz5zVqyJxqgiY8VftvHSe0PhwZa05l9UZAVCASdReHFxw2Di6MoEIbRm/DACH\n\t 6EZjVdKmyCFY0ahPlTJF5Om8tUGbM3+RzMDvfnJ5JW0Kfa99RJyTmb3751RAHQJ2qn\n\t SLzORLtraR9aA==","Date":"Fri, 10 Apr 2026 14:21:00 +0200","Message-ID":"<20260410120319.658485572@kernel.org>","User-Agent":"quilt/0.68","From":"Thomas Gleixner ","To":"LKML ","Cc":"Helge Deller ,\n linux-parisc@vger.kernel.org,\n Arnd Bergmann ,\n x86@kernel.org,\n Lu Baolu ,\n iommu@lists.linux.dev,\n Michael Grzeschik ,\n netdev@vger.kernel.org,\n linux-wireless@vger.kernel.org,\n Herbert Xu ,\n linux-crypto@vger.kernel.org,\n Vlastimil Babka ,\n linux-mm@kvack.org,\n David Woodhouse ,\n Bernie Thompson ,\n linux-fbdev@vger.kernel.org,\n \"Theodore Tso\" ,\n linux-ext4@vger.kernel.org,\n Andrew Morton ,\n Uladzislau Rezki ,\n Marco Elver ,\n Dmitry Vyukov ,\n kasan-dev@googlegroups.com,\n Andrey Ryabinin ,\n Thomas Sailer ,\n linux-hams@vger.kernel.org,\n \"Jason A. Donenfeld\" ,\n Richard Henderson ,\n linux-alpha@vger.kernel.org,\n Russell King ,\n linux-arm-kernel@lists.infradead.org,\n Catalin Marinas ,\n Huacai Chen ,\n loongarch@lists.linux.dev,\n Geert Uytterhoeven ,\n linux-m68k@lists.linux-m68k.org,\n Dinh Nguyen ,\n Jonas Bonn ,\n linux-openrisc@vger.kernel.org,\n Michael Ellerman ,\n linuxppc-dev@lists.ozlabs.org,\n Paul Walmsley ,\n linux-riscv@lists.infradead.org,\n Heiko Carstens ,\n linux-s390@vger.kernel.org,\n \"David S. Miller\" ,\n sparclinux@vger.kernel.org","Subject":"[patch 31/38] parisc: Select ARCH_HAS_RANDOM_ENTROPY","References":"<20260410120044.031381086@kernel.org>","Precedence":"bulk","X-Mailing-List":"linux-ext4@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Type":"text/plain; charset=UTF-8","X-Spam-Status":"No, score=-1.2 required=5.0 tests=ARC_SIGNED,ARC_VALID,\n\tDKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DMARC_PASS,\n\tMAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=disabled\n\tversion=4.0.1","X-Spam-Checker-Version":"SpamAssassin 4.0.1 (2024-03-25) on gandalf.ozlabs.org"},"content":"The only remaining non-architecture usage of get_cycles() is to provide\nrandom_get_entropy().\n\nSwitch parisc over to the new scheme of selecting ARCH_HAS_RANDOM_ENTROPY\nand providing 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 \nCc: Helge Deller \nCc: linux-parisc@vger.kernel.org\n---\n arch/parisc/Kconfig | 1 +\n arch/parisc/include/asm/random.h | 12 ++++++++++++\n arch/parisc/include/asm/timex.h | 6 ------\n arch/parisc/kernel/processor.c | 1 +\n arch/parisc/kernel/time.c | 1 +\n 5 files changed, 15 insertions(+), 6 deletions(-)","diff":"--- a/arch/parisc/Kconfig\n+++ b/arch/parisc/Kconfig\n@@ -16,6 +16,7 @@ config PARISC\n \tselect ARCH_HAS_STRICT_MODULE_RWX\n \tselect ARCH_HAS_UBSAN\n \tselect ARCH_HAS_PTE_SPECIAL\n+\tselect ARCH_HAS_RANDOM_ENTROPY\n \tselect ARCH_NO_SG_CHAIN\n \tselect ARCH_SPLIT_ARG64 if !64BIT\n \tselect ARCH_SUPPORTS_HUGETLBFS if PA20\n--- /dev/null\n+++ b/arch/parisc/include/asm/random.h\n@@ -0,0 +1,12 @@\n+/* SPDX-License-Identifier: GPL-2.0 */\n+#ifndef _ASMPARISC_RANDOM_H\n+#define _ASMPARISC_RANDOM_H\n+\n+#include \n+\n+static inline unsigned long random_get_entropy(void)\n+{\n+\treturn get_cycles();\n+}\n+\n+#endif\n--- a/arch/parisc/include/asm/timex.h\n+++ b/arch/parisc/include/asm/timex.h\n@@ -1,9 +1,4 @@\n /* SPDX-License-Identifier: GPL-2.0 */\n-/*\n- * linux/include/asm-parisc/timex.h\n- *\n- * PARISC architecture timex specifications\n- */\n #ifndef _ASMPARISC_TIMEX_H\n #define _ASMPARISC_TIMEX_H\n \n@@ -13,6 +8,5 @@ static inline cycles_t get_cycles(void)\n {\n \treturn mfctl(16);\n }\n-#define get_cycles get_cycles\n \n #endif\n--- a/arch/parisc/kernel/processor.c\n+++ b/arch/parisc/kernel/processor.c\n@@ -30,6 +30,7 @@\n #include \n #include \t\t/* for struct irq_region */\n #include \n+#include \n \n struct system_cpuinfo_parisc boot_cpu_data __ro_after_init;\n EXPORT_SYMBOL(boot_cpu_data);\n--- a/arch/parisc/kernel/time.c\n+++ b/arch/parisc/kernel/time.c\n@@ -17,6 +17,7 @@\n #include \n #include \n #include \n+#include \n \n static u64 cr16_clock_freq;\n static unsigned long clocktick;\n","prefixes":["31/38"]}