{"id":2221842,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2221842/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260410120320.163559629@kernel.org/","project":{"id":2,"url":"http://patchwork.ozlabs.org/api/1.1/projects/2/?format=json","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/"},"msgid":"<20260410120320.163559629@kernel.org>","date":"2026-04-10T12:21:32","name":"[38/38] treewide: Remove asm/timex.h includes from generic code","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"be847984fddd3031e5d0e9489ef95c20b2ab74ff","submitter":{"id":92397,"url":"http://patchwork.ozlabs.org/api/1.1/people/92397/?format=json","name":"Thomas Gleixner","email":"tglx@kernel.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260410120320.163559629@kernel.org/mbox/","series":[{"id":499449,"url":"http://patchwork.ozlabs.org/api/1.1/series/499449/?format=json","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/2221842/comments/","check":"success","checks":"http://patchwork.ozlabs.org/api/patches/2221842/checks/","tags":{},"headers":{"Return-Path":"\n ","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=HDyFrce5;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=2404:9400:21b9:f100::1; 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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=HDyFrce5; dkim-atps=neutral;\n spf=pass (client-ip=2600:3c04:e001:324:0:1991:8:25;\n helo=tor.source.kernel.org; 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=1775823695;\n\tbh=pY4Ba+JrP/xTQAmwvt4Sblvq53DUrPINRCnMdCBk5qo=;\n\th=Date:From:To:Subject:References:cc:From;\n\tb=HDyFrce5AOq/EGfeY1UdoV8DNpMgAy18kWHJM1sjAR8gGlb0lGVL/86T8A9JdQ406\n\t geoVdL2hWTrXGNOfAnq/kY6NSEK4TpMk9WMO+y1nQNH3tMz9xsxHfqX6syvZMUj1PK\n\t bzYUHDgCtqjEJkHt2pwcVZ7pxbRQ83NKHdjXp0R8JD++ws1pIDJb+QbVlpuQaSrK3+\n\t elCptYV6iuLAdTbeeR+RbymhnVAR5noANk7G5ygRae6T0lvFrKQfmBeUjBXUKx1VNg\n\t KMOPQf2nxfU/JqhQvoUzqUAfK3BjbJR+sYA7dzOFGZqkM+hZZWPxeRIyaCeQdbvVoP\n\t M9E/X3gApmxpw==","Date":"Fri, 10 Apr 2026 14:21:32 +0200","Message-ID":"<20260410120320.163559629@kernel.org>","User-Agent":"quilt/0.68","From":"Thomas Gleixner ","To":"LKML ","Subject":"[patch 38/38] treewide: Remove asm/timex.h includes from generic code","References":"<20260410120044.031381086@kernel.org>","X-Mailing-List":"linuxppc-dev@lists.ozlabs.org","List-Id":"","List-Help":"","List-Owner":"","List-Post":"","List-Archive":",\n ","List-Subscribe":",\n ,\n ","List-Unsubscribe":"","Precedence":"list","MIME-Version":"1.0","Content-Type":"text/plain; charset=UTF-8","cc":"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 Helge Deller ,\n linux-parisc@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","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":"asm/timex.h does not provide any functionality for non-architecture code\nanymore.\n\nRemove the asm-generic fallback and all references in include and source\nfiles along with the random_get_entropy() #ifdeffery in timex.h.\n\nSigned-off-by: Thomas Gleixner \n---\n include/asm-generic/Kbuild | 1 -\n include/asm-generic/timex.h | 15 ---------------\n include/linux/random.h | 3 +++\n include/linux/timex.h | 26 --------------------------\n kernel/time/timer.c | 1 -\n lib/interval_tree_test.c | 1 -\n lib/rbtree_test.c | 1 -\n 7 files changed, 3 insertions(+), 45 deletions(-)","diff":"--- a/include/asm-generic/Kbuild\n+++ b/include/asm-generic/Kbuild\n@@ -56,7 +56,6 @@ mandatory-y += shmparam.h\n mandatory-y += simd.h\n mandatory-y += softirq_stack.h\n mandatory-y += switch_to.h\n-mandatory-y += timex.h\n mandatory-y += tlbflush.h\n mandatory-y += topology.h\n mandatory-y += trace_clock.h\n--- a/include/asm-generic/timex.h\n+++ /dev/null\n@@ -1,15 +0,0 @@\n-/* SPDX-License-Identifier: GPL-2.0 */\n-#ifndef __ASM_GENERIC_TIMEX_H\n-#define __ASM_GENERIC_TIMEX_H\n-\n-/*\n- * If you have a cycle counter, return the value here.\n- */\n-#ifndef get_cycles\n-static inline cycles_t get_cycles(void)\n-{\n-\treturn 0;\n-}\n-#endif\n-\n-#endif /* __ASM_GENERIC_TIMEX_H */\n--- a/include/linux/random.h\n+++ b/include/linux/random.h\n@@ -1,3 +1,4 @@\n+\n /* SPDX-License-Identifier: GPL-2.0 */\n \n #ifndef _LINUX_RANDOM_H\n@@ -152,6 +153,8 @@ unsigned long random_get_entropy_fallbac\n */\n #ifdef CONFIG_ARCH_HAS_RANDOM_ENTROPY\n #include \n+#else\n+#define random_get_entropy()\trandom_get_entropy_fallback()\n #endif\n \n #endif /* _LINUX_RANDOM_H */\n--- a/include/linux/timex.h\n+++ b/include/linux/timex.h\n@@ -62,32 +62,6 @@\n #include \n #include \n \n-unsigned long random_get_entropy_fallback(void);\n-\n-#include \n-\n-#ifndef CONFIG_ARCH_HAS_RANDOM_ENTROPY\n-#ifndef random_get_entropy\n-/*\n- * The random_get_entropy() function is used by the /dev/random driver\n- * in order to extract entropy via the relative unpredictability of\n- * when an interrupt takes places versus a high speed, fine-grained\n- * timing source or cycle counter. Since it will be occurred on every\n- * single interrupt, it must have a very low cost/overhead.\n- *\n- * By default we use get_cycles() for this purpose, but individual\n- * architectures may override this in their asm/timex.h header file.\n- * If a given arch does not have get_cycles(), then we fallback to\n- * using random_get_entropy_fallback().\n- */\n-#ifdef get_cycles\n-#define random_get_entropy()\t((unsigned long)get_cycles())\n-#else\n-#define random_get_entropy()\trandom_get_entropy_fallback()\n-#endif\n-#endif\n-#endif\n-\n /*\n * SHIFT_PLL is used as a dampening factor to define how much we\n * adjust the frequency correction for a given offset in PLL mode.\n--- a/kernel/time/timer.c\n+++ b/kernel/time/timer.c\n@@ -48,7 +48,6 @@\n #include \n #include \n #include \n-#include \n #include \n \n #include \"tick-internal.h\"\n--- a/lib/interval_tree_test.c\n+++ b/lib/interval_tree_test.c\n@@ -4,7 +4,6 @@\n #include \n #include \n #include \n-#include \n #include \n #include \n \n--- a/lib/rbtree_test.c\n+++ b/lib/rbtree_test.c\n@@ -4,7 +4,6 @@\n #include \n #include \n #include \n-#include \n \n #define __param(type, name, init, msg)\t\t\\\n \tstatic type name = init;\t\t\\\n","prefixes":["38/38"]}