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Date: Mon, 17 Feb 2020 15:11:58 -0000 From: "tip-bot2 for Thomas Gleixner" <tip-bot2@...utronix.de> To: linux-tip-commits@...r.kernel.org Cc: Thomas Gleixner <tglx@...utronix.de>, Vincenzo Frascino <vincenzo.frascino@....com>, x86 <x86@...nel.org>, LKML <linux-kernel@...r.kernel.org> Subject: [tip: timers/core] ARM: vdso: Compile high resolution parts conditionally The following commit has been merged into the timers/core branch of tip: Commit-ID: 3280badbe1b289622ce12b94d064ddb624cbaef1 Gitweb: https://git.kernel.org/tip/3280badbe1b289622ce12b94d064ddb624cbaef1 Author: Thomas Gleixner <tglx@...utronix.de> AuthorDate: Fri, 07 Feb 2020 13:38:51 +01:00 Committer: Thomas Gleixner <tglx@...utronix.de> CommitterDate: Mon, 17 Feb 2020 14:40:21 +01:00 ARM: vdso: Compile high resolution parts conditionally If the architected timer is disabled in the kernel configuration then let the core VDSO code drop the high resolution parts at compile time. Signed-off-by: Thomas Gleixner <tglx@...utronix.de> Tested-by: Vincenzo Frascino <vincenzo.frascino@....com> Reviewed-by: Vincenzo Frascino <vincenzo.frascino@....com> Link: https://lkml.kernel.org/r/20200207124402.622587341@linutronix.de --- arch/arm/include/asm/vdso/gettimeofday.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm/include/asm/vdso/gettimeofday.h b/arch/arm/include/asm/vdso/gettimeofday.h index fe6e1f6..f4757d3 100644 --- a/arch/arm/include/asm/vdso/gettimeofday.h +++ b/arch/arm/include/asm/vdso/gettimeofday.h @@ -106,6 +106,12 @@ static __always_inline int clock_getres32_fallback( return ret; } +static inline bool arm_vdso_hres_capable(void) +{ + return IS_ENABLED(CONFIG_ARM_ARCH_TIMER); +} +#define __arch_vdso_hres_capable arm_vdso_hres_capable + static __always_inline u64 __arch_get_hw_counter(int clock_mode) { #ifdef CONFIG_ARM_ARCH_TIMER
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