From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 611DC3CF664; Fri, 10 Apr 2026 12:21:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775823663; cv=none; b=Xgkxf4ojIE3rl7ai1MTa8hSA+azWsF669G3zG5tErL0OFKkbC7P4IViUauqJ5Otrli9HpRptjpUPuWzxQ3LwFZDkthBgc22tf+X2HzjdIFqmZT784JpoPN8jZxft1ckNVD+L8oqTt/TDwHgy+WPLSGYiUf8GoJHFP9FmxflQgr0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775823663; c=relaxed/simple; bh=arEz1VHg70GeH2cUr9Lpy43pf1nP5ZqGj9No6b3NvGc=; h=Date:Message-ID:From:To:Cc:Subject:References:MIME-Version: Content-Type; b=FO7LXfF4EqpR9bRA/VEoqWbpu72lX6hPMHa2D/XHUA3NoNx0NHHXTEhLXHDVYp4hVjsX6f9Nra/R/f8DkimjcSJkCeV8gNuFKJ0a8966bP4jdMu8L4qDChOoBs3d4alO/nKUBoNrKmblIi9mB/YZteTA8/Mdexti6Up1iCt0JQo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=NMEawaGf; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="NMEawaGf" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 21923C2BCB2; Fri, 10 Apr 2026 12:21:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775823663; bh=arEz1VHg70GeH2cUr9Lpy43pf1nP5ZqGj9No6b3NvGc=; h=Date:From:To:Cc:Subject:References:From; b=NMEawaGfBmItTINOkOidvgB6jXoclDGf78qU2DQLeTlzGLrdEzTDk/muIR3isadas Eyy5g0FnRv8ECHD8WNjJd+poKDwf709MD2FUA4Zxpq4v2gA+LwpA8vel0ik9BGCmUL SRAcDP7ql7MsZ2nrhkZkSeh/8fnf2+XnKGt9MLspNLANeefspPmNjhAwKQtf/nBzwq +qFTCUz5zVqyJxqgiY8VftvHSe0PhwZa05l9UZAVCASdReHFxw2Di6MoEIbRm/DACH 6EZjVdKmyCFY0ahPlTJF5Om8tUGbM3+RzMDvfnJ5JW0Kfa99RJyTmb3751RAHQJ2qn 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 , linux-parisc@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, Michael Ellerman , linuxppc-dev@lists.ozlabs.org, Paul Walmsley , linux-riscv@lists.infradead.org, Heiko Carstens , linux-s390@vger.kernel.org, "David S. Miller" , 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-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 The only remaining non-architecture usage of get_cycles() is to provide random_get_entropy(). Switch parisc over to the new scheme of selecting ARCH_HAS_RANDOM_ENTROPY and providing random_get_entropy() in asm/random.h. Add 'asm/timex.h' includes to the relevant files, so the global include can be removed once all architectures are converted over. Signed-off-by: Thomas Gleixner Cc: Helge Deller Cc: linux-parisc@vger.kernel.org --- arch/parisc/Kconfig | 1 + arch/parisc/include/asm/random.h | 12 ++++++++++++ arch/parisc/include/asm/timex.h | 6 ------ arch/parisc/kernel/processor.c | 1 + arch/parisc/kernel/time.c | 1 + 5 files changed, 15 insertions(+), 6 deletions(-) --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -16,6 +16,7 @@ config PARISC select ARCH_HAS_STRICT_MODULE_RWX select ARCH_HAS_UBSAN select ARCH_HAS_PTE_SPECIAL + select ARCH_HAS_RANDOM_ENTROPY select ARCH_NO_SG_CHAIN select ARCH_SPLIT_ARG64 if !64BIT select ARCH_SUPPORTS_HUGETLBFS if PA20 --- /dev/null +++ b/arch/parisc/include/asm/random.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASMPARISC_RANDOM_H +#define _ASMPARISC_RANDOM_H + +#include + +static inline unsigned long random_get_entropy(void) +{ + return get_cycles(); +} + +#endif --- a/arch/parisc/include/asm/timex.h +++ b/arch/parisc/include/asm/timex.h @@ -1,9 +1,4 @@ /* SPDX-License-Identifier: GPL-2.0 */ -/* - * linux/include/asm-parisc/timex.h - * - * PARISC architecture timex specifications - */ #ifndef _ASMPARISC_TIMEX_H #define _ASMPARISC_TIMEX_H @@ -13,6 +8,5 @@ static inline cycles_t get_cycles(void) { return mfctl(16); } -#define get_cycles get_cycles #endif --- a/arch/parisc/kernel/processor.c +++ b/arch/parisc/kernel/processor.c @@ -30,6 +30,7 @@ #include #include /* for struct irq_region */ #include +#include struct system_cpuinfo_parisc boot_cpu_data __ro_after_init; EXPORT_SYMBOL(boot_cpu_data); --- a/arch/parisc/kernel/time.c +++ b/arch/parisc/kernel/time.c @@ -17,6 +17,7 @@ #include #include #include +#include static u64 cr16_clock_freq; static unsigned long clocktick;