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Date:   Mon, 17 Feb 2020 15:11:58 -0000
From:   "tip-bot2 for Thomas Gleixner" <>
Cc:     Thomas Gleixner <>,
        Vincenzo Frascino <>,
        x86 <>, LKML <>
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
Author:        Thomas Gleixner <>
AuthorDate:    Fri, 07 Feb 2020 13:38:51 +01:00
Committer:     Thomas Gleixner <>
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 <>
Tested-by: Vincenzo Frascino <>
Reviewed-by: Vincenzo Frascino <>

 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)
+#define __arch_vdso_hres_capable arm_vdso_hres_capable
 static __always_inline u64 __arch_get_hw_counter(int clock_mode)

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