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GET /api/1.2/patches/2221904/?format=api
{ "id": 2221904, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2221904/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-ext4/patch/20260410120320.163559629@kernel.org/", "project": { "id": 8, "url": "http://patchwork.ozlabs.org/api/1.2/projects/8/?format=api", "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": "<20260410120320.163559629@kernel.org>", "list_archive_url": null, "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/1.2/people/92397/?format=api", "name": "Thomas Gleixner", "email": "tglx@kernel.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-ext4/patch/20260410120320.163559629@kernel.org/mbox/", "series": [ { "id": 499451, "url": "http://patchwork.ozlabs.org/api/1.2/series/499451/?format=api", "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/2221904/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2221904/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <SRS0=By6N=CJ=vger.kernel.org=linux-ext4+bounces-15773-patchwork-incoming=ozlabs.org@ozlabs.org>", "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=HDyFrce5;\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=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 <tglx@kernel.org>", "To": "LKML <linux-kernel@vger.kernel.org>", "Subject": "[patch 38/38] treewide: Remove asm/timex.h includes from generic code", "References": "<20260410120044.031381086@kernel.org>", "Precedence": "bulk", "X-Mailing-List": "linux-ext4@vger.kernel.org", "List-Id": "<linux-ext4.vger.kernel.org>", "List-Subscribe": "<mailto:linux-ext4+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:linux-ext4+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "cc": "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 Heiko Carstens <hca@linux.ibm.com>,\n linux-s390@vger.kernel.org,\n \"David S. Miller\" <davem@davemloft.net>,\n sparclinux@vger.kernel.org", "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": "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 <tglx@kernel.org>\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 <asm/random.h>\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 <linux/types.h>\n #include <linux/param.h>\n \n-unsigned long random_get_entropy_fallback(void);\n-\n-#include <asm/timex.h>\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 <linux/uaccess.h>\n #include <asm/unistd.h>\n #include <asm/div64.h>\n-#include <asm/timex.h>\n #include <asm/io.h>\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 <linux/interval_tree.h>\n #include <linux/prandom.h>\n #include <linux/slab.h>\n-#include <asm/timex.h>\n #include <linux/bitmap.h>\n #include <linux/maple_tree.h>\n \n--- a/lib/rbtree_test.c\n+++ b/lib/rbtree_test.c\n@@ -4,7 +4,6 @@\n #include <linux/rbtree_augmented.h>\n #include <linux/prandom.h>\n #include <linux/slab.h>\n-#include <asm/timex.h>\n \n #define __param(type, name, init, msg)\t\t\\\n \tstatic type name = init;\t\t\\\n", "prefixes": [ "38/38" ] }