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 X-Spam-Level: X-Spam-Status: No, score=-11.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3564DC34021 for ; Mon, 17 Feb 2020 15:12:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0FDCA24658 for ; Mon, 17 Feb 2020 15:12:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729449AbgBQPMB (ORCPT ); Mon, 17 Feb 2020 10:12:01 -0500 Received: from Galois.linutronix.de ([193.142.43.55]:59937 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728842AbgBQPL7 (ORCPT ); Mon, 17 Feb 2020 10:11:59 -0500 Received: from [5.158.153.53] (helo=tip-bot2.lab.linutronix.de) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1j3i3w-0007e4-88; Mon, 17 Feb 2020 16:11:56 +0100 Received: from [127.0.1.1] (localhost [IPv6:::1]) by tip-bot2.lab.linutronix.de (Postfix) with ESMTP id E29341C2084; Mon, 17 Feb 2020 16:11:55 +0100 (CET) Date: Mon, 17 Feb 2020 15:11:55 -0000 From: "tip-bot2 for Thomas Gleixner" Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: timers/core] mips: vdso: Use generic VDSO clock mode storage Cc: Thomas Gleixner , Vincenzo Frascino , x86 , LKML In-Reply-To: <20200207124403.244684017@linutronix.de> References: <20200207124403.244684017@linutronix.de> MIME-Version: 1.0 Message-ID: <158195231568.13786.10069136434505009340.tip-bot2@tip-bot2> X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The following commit has been merged into the timers/core branch of tip: Commit-ID: 2ad415f5e62c4ad93cdd01e44bc935b991e6b03a Gitweb: https://git.kernel.org/tip/2ad415f5e62c4ad93cdd01e44bc935b991e6b03a Author: Thomas Gleixner AuthorDate: Fri, 07 Feb 2020 13:38:57 +01:00 Committer: Thomas Gleixner CommitterDate: Mon, 17 Feb 2020 14:40:24 +01:00 mips: vdso: Use generic VDSO clock mode storage Switch to the generic VDSO clock mode storage. Signed-off-by: Thomas Gleixner Reviewed-by: Vincenzo Frascino Link: https://lkml.kernel.org/r/20200207124403.244684017@linutronix.de --- arch/mips/Kconfig | 2 +- arch/mips/include/asm/clocksource.h | 18 ++--------------- arch/mips/include/asm/vdso/gettimeofday.h | 24 +++++----------------- arch/mips/include/asm/vdso/vsyscall.h | 9 +-------- arch/mips/kernel/csrc-r4k.c | 2 +- drivers/clocksource/mips-gic-timer.c | 8 +++---- 6 files changed, 15 insertions(+), 48 deletions(-) diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 797d7f1..23b5c05 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -4,7 +4,6 @@ config MIPS default y select ARCH_32BIT_OFF_T if !64BIT select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT - select ARCH_CLOCKSOURCE_DATA select ARCH_HAS_FORTIFY_SOURCE select ARCH_HAS_KCOV select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI) @@ -38,6 +37,7 @@ config MIPS select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC select GENERIC_SMP_IDLE_THREAD select GENERIC_TIME_VSYSCALL + select GENERIC_VDSO_CLOCK_MODE select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT select HANDLE_DOMAIN_IRQ select HAVE_ARCH_COMPILER_H diff --git a/arch/mips/include/asm/clocksource.h b/arch/mips/include/asm/clocksource.h index cab9ae9..738a202 100644 --- a/arch/mips/include/asm/clocksource.h +++ b/arch/mips/include/asm/clocksource.h @@ -3,23 +3,11 @@ * Copyright (C) 2015 Imagination Technologies * Author: Alex Smith */ - #ifndef __ASM_CLOCKSOURCE_H #define __ASM_CLOCKSOURCE_H -#include - -/* VDSO clocksources. */ -#define VDSO_CLOCK_NONE 0 /* No suitable clocksource. */ -#define VDSO_CLOCK_R4K 1 /* Use the coprocessor 0 count. */ -#define VDSO_CLOCK_GIC 2 /* Use the GIC. */ - -/** - * struct arch_clocksource_data - Architecture-specific clocksource information. - * @vdso_clock_mode: Method the VDSO should use to access the clocksource. - */ -struct arch_clocksource_data { - u8 vdso_clock_mode; -}; +#define VDSO_ARCH_CLOCKMODES \ + VDSO_CLOCKMDOE_R4K, \ + VDSO_CLOCKMODE_GIC #endif /* __ASM_CLOCKSOURCE_H */ diff --git a/arch/mips/include/asm/vdso/gettimeofday.h b/arch/mips/include/asm/vdso/gettimeofday.h index a9f846b..810d225 100644 --- a/arch/mips/include/asm/vdso/gettimeofday.h +++ b/arch/mips/include/asm/vdso/gettimeofday.h @@ -175,28 +175,16 @@ static __always_inline u64 read_gic_count(const struct vdso_data *data) static __always_inline u64 __arch_get_hw_counter(s32 clock_mode) { -#ifdef CONFIG_CLKSRC_MIPS_GIC - const struct vdso_data *data = get_vdso_data(); -#endif - u64 cycle_now; - - switch (clock_mode) { #ifdef CONFIG_CSRC_R4K - case VDSO_CLOCK_R4K: - cycle_now = read_r4k_count(); - break; + if (clock_mode == VDSO_CLOCKMODE_R4K) + return read_r4k_count(); #endif #ifdef CONFIG_CLKSRC_MIPS_GIC - case VDSO_CLOCK_GIC: - cycle_now = read_gic_count(data); - break; + if (clock_mode == VDSO_CLOCKMODE_GIC) + return read_gic_count(get_vdso_data()); #endif - default: - cycle_now = __VDSO_USE_SYSCALL; - break; - } - - return cycle_now; + /* Keep GCC happy */ + return U64_MAX; } static inline bool mips_vdso_hres_capable(void) diff --git a/arch/mips/include/asm/vdso/vsyscall.h b/arch/mips/include/asm/vdso/vsyscall.h index 00d41b9..47168aa 100644 --- a/arch/mips/include/asm/vdso/vsyscall.h +++ b/arch/mips/include/asm/vdso/vsyscall.h @@ -19,15 +19,6 @@ struct vdso_data *__mips_get_k_vdso_data(void) } #define __arch_get_k_vdso_data __mips_get_k_vdso_data -static __always_inline -int __mips_get_clock_mode(struct timekeeper *tk) -{ - u32 clock_mode = tk->tkr_mono.clock->archdata.vdso_clock_mode; - - return clock_mode; -} -#define __arch_get_clock_mode __mips_get_clock_mode - /* The asm-generic header needs to be included after the definitions above */ #include diff --git a/arch/mips/kernel/csrc-r4k.c b/arch/mips/kernel/csrc-r4k.c index eed099f..437dda6 100644 --- a/arch/mips/kernel/csrc-r4k.c +++ b/arch/mips/kernel/csrc-r4k.c @@ -78,7 +78,7 @@ int __init init_r4k_clocksource(void) * by the VDSO (HWREna is configured by configure_hwrena()). */ if (cpu_has_mips_r2_r6 && rdhwr_count_usable()) - clocksource_mips.archdata.vdso_clock_mode = VDSO_CLOCK_R4K; + clocksource_mips.vdso_clock_mode = VDSO_CLOCKMODE_R4K; clocksource_register_hz(&clocksource_mips, mips_hpt_frequency); diff --git a/drivers/clocksource/mips-gic-timer.c b/drivers/clocksource/mips-gic-timer.c index 37671a5..8b5f8ae 100644 --- a/drivers/clocksource/mips-gic-timer.c +++ b/drivers/clocksource/mips-gic-timer.c @@ -155,10 +155,10 @@ static u64 gic_hpt_read(struct clocksource *cs) } static struct clocksource gic_clocksource = { - .name = "GIC", - .read = gic_hpt_read, - .flags = CLOCK_SOURCE_IS_CONTINUOUS, - .archdata = { .vdso_clock_mode = VDSO_CLOCK_GIC }, + .name = "GIC", + .read = gic_hpt_read, + .flags = CLOCK_SOURCE_IS_CONTINUOUS, + .vdso_clock_mode = VDSO_CLOCKMODE_GIC, }; static int __init __gic_clocksource_init(void)