From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 53855F44851 for ; Fri, 10 Apr 2026 12:21:30 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id BFC8A6B00DC; Fri, 10 Apr 2026 08:21:29 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id BACB56B00DD; Fri, 10 Apr 2026 08:21:29 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id A9BD16B00DE; Fri, 10 Apr 2026 08:21:29 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 979F26B00DC for ; Fri, 10 Apr 2026 08:21:29 -0400 (EDT) Received: from smtpin02.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id 5AF6A59215 for ; Fri, 10 Apr 2026 12:21:29 +0000 (UTC) X-FDA: 84642556698.02.06D4E2E Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf11.hostedemail.com (Postfix) with ESMTP id A85824000D for ; Fri, 10 Apr 2026 12:21:27 +0000 (UTC) Authentication-Results: imf11.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=Z5xk9L5P; spf=pass (imf11.hostedemail.com: domain of tglx@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=tglx@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1775823687; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding:in-reply-to: references:references:dkim-signature; bh=CZnLdubUssxhQoUeG+xENhtvOMtrmC4aQUSEvuRJUnc=; b=ww/Kg2kFsM5Uelf5/GAEazXMCrGcTa/EUHC7RfTk+snC/h7YW62mbZvvn2ZkxAgExSXPb/ 6fxhwUHI+DKtTHDMiUTEXfJShjbDl80b2s8SIRSlw/H4XIWBoyUH5FcWl2+F7+p/rwmcwU AzqwQZ+vQcQBrZmY9j7Ya3YPtFMGsM4= ARC-Authentication-Results: i=1; imf11.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=Z5xk9L5P; spf=pass (imf11.hostedemail.com: domain of tglx@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=tglx@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1775823687; a=rsa-sha256; cv=none; b=rjOkNZSDWezjAyZ17Ru666sk5DuPpbH/2KOMOlru6prp8haHz60y+ZZ1MUUtLFAVihwezq 8IcHF9xOjjuRsT2a5E1+N3cn62Sw3+Qcx8qlz27GtCf+9bIIghx4kJhkzTSxd1GjaPUx7S UTVGMA8gqa7GZCP+IEDFlED/ceO3OJ0= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id C75564366F; Fri, 10 Apr 2026 12:21:26 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D5EE3C19425; Fri, 10 Apr 2026 12:21:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775823686; bh=506UQ2xUMl1Z9eAzOmzEcIl1RJxUk5Zj30ohtcXoKMY=; h=Date:From:To:Cc:Subject:References:From; b=Z5xk9L5P21mRx0MY/8DBEFXub59mdEbOhszRMhCXrj2F4yR3gtSSMVH5Ys886C70h ecuez10MlaZM3qSzOJIlSqs3GQHIX7r46PbtHbTSey1wj2Xf5OquvDCTW6/Y/BwsaZ HOnECp9mbfgHCsi29AhbrdwXxEeghdlmA/P/QGWQbNRq0XZzEiWDbqYK6jtMl2Fqel J/j1quCkWsAMuIIV68vkZDLkhw3pICkV08QoM7gE4lID3deNtskLbUzyP0Y6rIWxr9 E+31Ou3bfkNfr/XyUr2BTZMkGgo/VhX2L0FM/Xl0m04u+cc79US3jzI6GNXqNN3Dgi kUVIHjYrNe9Wg== Date: Fri, 10 Apr 2026 14:21:23 +0200 Message-ID: <20260410120320.011762129@kernel.org> User-Agent: quilt/0.68 From: Thomas Gleixner To: LKML Cc: "David S. Miller" , sparclinux@vger.kernel.org, Arnd Bergmann , x86@kernel.org, Lu Baolu , iommu@lists.linux.dev, Michael Grzeschik , netdev@vger.kernel.org, linux-wireless@vger.kernel.org, Herbert Xu , linux-crypto@vger.kernel.org, Vlastimil Babka , linux-mm@kvack.org, David Woodhouse , Bernie Thompson , linux-fbdev@vger.kernel.org, "Theodore Tso" , linux-ext4@vger.kernel.org, Andrew Morton , Uladzislau Rezki , Marco Elver , Dmitry Vyukov , kasan-dev@googlegroups.com, Andrey Ryabinin , Thomas Sailer , linux-hams@vger.kernel.org, "Jason A. Donenfeld" , Richard Henderson , linux-alpha@vger.kernel.org, Russell King , linux-arm-kernel@lists.infradead.org, Catalin Marinas , Huacai Chen , loongarch@lists.linux.dev, Geert Uytterhoeven , linux-m68k@lists.linux-m68k.org, Dinh Nguyen , Jonas Bonn , linux-openrisc@vger.kernel.org, Helge Deller , linux-parisc@vger.kernel.org, Michael Ellerman , linuxppc-dev@lists.ozlabs.org, Paul Walmsley , linux-riscv@lists.infradead.org, Heiko Carstens , linux-s390@vger.kernel.org Subject: [patch 36/38] sparc: Select ARCH_HAS_RANDOM_ENTROPY for SPARC64 References: <20260410120044.031381086@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Rspamd-Queue-Id: A85824000D X-Stat-Signature: jid9p14jid68h6oxg8nj1jau3u8kddu3 X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1775823687-352682 X-HE-Meta: U2FsdGVkX181bh8Sq81KbMMuGDYLqlU7I5xnfkOc10ZKeRuTFMvaaXkJDvGPmnG8T5cYRAh+KC9T7RSp5Vw1yDw+JNT9zHJzLxZWGCuC7EoxXiHCB/hMJ8ZYSoDElNi3nnhbr9/4RO33x0ITvzR8wG8zWXtQsuj8CyuJ1GrO2x8ieuRveXeblLHmbz0uIAzjEIUhmS7TA0t1OLRD+F0SAuDF++F5IfdAxDlf6ByuetNUZRuqS5BpIifzQ8sKvSu1Z2Fy8tCWhaXRRRZ1QJ05dt376PfO7oJq6BybHgm6dAgojAfQE8KET05LQT7u98h8+er/Vh9+KF1/ZbdRp8mxPhs+PKfrwXbfIDLXefijFB6WTwlYjv5RcMypiIxTHiqK81TS0zlGF0YtI4pob9rQGvADhyiVn9EGf0pi5UaaOuAxXVOvivXmCJhlj2Q6KlD6tgSsdO2bsPlEJPlCl+GwMN7wmn2BiNp9hAA6DB6Mum8tI+FWeWdVWeMutceWpYTuY/s5t8PL9dtySBB3UYK8BtkIbR9w5obLhwYun/GTfa8+Efb23tyY6uW+L5zX/5gf0KpOc5vMWt6r7ftf52TqHLNoQ7jdvCLoSmxRJOLtw/k8DJmUt5AoIpn/ZauBmKOkuAn/Jt9Dbikuhd5UrqcOoon7QZPLvC2EwKsK+K79k9DSqYUKrV0plItHwJ085yjlA3q8V9Qvw3X7iZDel2mrlbZZ7A6SCZ7Gk/F1suSIKGB1b2WIpo1P0B4l4+UAiiLQzShKI6ruY8knA8AnU+dD73JgmOHITeMhJITi/qcwI74nGEuzJP1PtcnHscWrlmde0np157X8ncG2rkiDBuPCv6U8crzTuzmGihlI54Bauw8QAw1RGjbUDFMRE5WieQlXy0F04siFLoadF44fHpoZjffUKzl6vsAboAXDU+KPc6YB33TSr54l1VCMBk9pmmxOyWsSA8wWnBoQYRob9CG 1aCJjv92 +E3rcC+d6hHbhDfutWZiFMujB2jPAlFD7gOffj5dJuF2Uz1g7/XjP6g9VWU1EANj+hrRRG6JG2y6ii7RpKDURJc2FHdlGnFipeSLhUEu1YQlo/V8G1K4pOkYZWe75Aqd2b7TZyjT0cJHN7kv87UF91sz3ijELR6XoUzO7e6n4Nip9//87ey3vI95rYk+EPShjrIt8Z0DBL3Lsb3ikqyAQljEOfvyn5EFWWol9hx6oEBCBUYx8KlEOCzmuwtHjyhxz3zvKTeGkH7bhVV/5Ky1LIrsacZ5vSB6HH6RxGht+EmkKYlkQ+DJTq8dt7lYg9mdxkRLV/JolKpf2GEGvpn46StFAK88KWF6TRgexE4xcDCn6uY+tFdypTr7/ioGctV86uNhWkUf0QBsh/3WITVeHce9LGPgfC5dfrjKTww0IoOuQva4= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: The only remaining usage of get_cycles() is to provide random_get_entropy(). Switch sparc over to the new scheme of selecting ARCH_HAS_RANDOM_ENTROPY and providing random_get_entropy() in asm/random.h. Remove asm/timex*.h as it has no functionality anymore. Signed-off-by: Thomas Gleixner Cc: "David S. Miller" Cc: sparclinux@vger.kernel.org --- arch/sparc/Kconfig | 1 + arch/sparc/include/asm/random.h | 15 +++++++++++++++ arch/sparc/include/asm/timex.h | 9 --------- arch/sparc/include/asm/timex_64.h | 15 --------------- arch/sparc/kernel/pcic.c | 1 - arch/sparc/kernel/time_32.c | 1 - arch/sparc/vdso/vclock_gettime.c | 1 - 7 files changed, 16 insertions(+), 27 deletions(-) --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -71,6 +71,7 @@ config SPARC64 def_bool 64BIT select ALTERNATE_USER_ADDRESS_SPACE select ARCH_HAS_DELAY_TIMER + select ARCH_HAS_RANDOM_ENTROPY select HAVE_FUNCTION_TRACER select HAVE_FUNCTION_GRAPH_TRACER select HAVE_KRETPROBES --- /dev/null +++ b/arch/sparc/include/asm/random.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +#ifndef _ASMsparc_RANDOM_H +#define _ASMsparc_RANDOM_H + +#if defined(__sparc__) && defined(__arch64__) + +#include + +static inline unsigned long random_get_entropy(void) +{ + return tick_ops->get_tick(); +} + +#endif +#endif --- a/arch/sparc/include/asm/timex.h +++ /dev/null @@ -1,9 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef ___ASM_SPARC_TIMEX_H -#define ___ASM_SPARC_TIMEX_H -#if defined(__sparc__) && defined(__arch64__) -#include -#else -#include -#endif -#endif --- a/arch/sparc/include/asm/timex_64.h +++ b/arch/sparc/include/asm/timex_64.h @@ -1,15 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * linux/include/asm/timex.h - * - * sparc64 architecture timex specifications - */ -#ifndef _ASMsparc64_TIMEX_H -#define _ASMsparc64_TIMEX_H - -#include - -/* Getting on the cycle counter on sparc64. */ -#define get_cycles() tick_ops->get_tick() - -#endif --- a/arch/sparc/kernel/pcic.c +++ b/arch/sparc/kernel/pcic.c @@ -33,7 +33,6 @@ #include #include #include -#include #include #include #include --- a/arch/sparc/kernel/time_32.c +++ b/arch/sparc/kernel/time_32.c @@ -37,7 +37,6 @@ #include #include -#include #include #include #include --- a/arch/sparc/vdso/vclock_gettime.c +++ b/arch/sparc/vdso/vclock_gettime.c @@ -17,7 +17,6 @@ #include #include #include -#include #include #include