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Message-ID: <YoBC2+2fvmNtcftr@zx2c4.com>
Date: Sun, 15 May 2022 02:01:31 +0200
From: "Jason A. Donenfeld" <Jason@...c4.com>
To: Huacai Chen <chenhuacai@...ngson.cn>
Cc: Arnd Bergmann <arnd@...db.de>, Andy Lutomirski <luto@...nel.org>,
Thomas Gleixner <tglx@...utronix.de>,
Peter Zijlstra <peterz@...radead.org>,
Andrew Morton <akpm@...ux-foundation.org>,
David Airlie <airlied@...ux.ie>,
Jonathan Corbet <corbet@....net>,
Linus Torvalds <torvalds@...ux-foundation.org>,
linux-arch@...r.kernel.org, linux-doc@...r.kernel.org,
linux-kernel@...r.kernel.org, Xuefeng Li <lixuefeng@...ngson.cn>,
Yanteng Si <siyanteng@...ngson.cn>,
Huacai Chen <chenhuacai@...il.com>,
Guo Ren <guoren@...nel.org>, Xuerui Wang <kernel@...0n.name>,
Jiaxun Yang <jiaxun.yang@...goat.com>,
Stephen Rothwell <sfr@...b.auug.org.au>
Subject: Re: [PATCH V10 08/22] LoongArch: Add other common headers
On Sat, May 14, 2022 at 04:03:48PM +0800, Huacai Chen wrote:
> diff --git a/arch/loongarch/include/asm/timex.h b/arch/loongarch/include/asm/timex.h
> new file mode 100644
> index 000000000000..3f8db082f00d
> --- /dev/null
> +++ b/arch/loongarch/include/asm/timex.h
> @@ -0,0 +1,31 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +/*
> + * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
> + */
> +#ifndef _ASM_TIMEX_H
> +#define _ASM_TIMEX_H
> +
> +#ifdef __KERNEL__
> +
> +#include <linux/compiler.h>
> +
> +#include <asm/cpu.h>
> +#include <asm/cpu-features.h>
> +
> +/*
> + * Standard way to access the cycle counter.
> + * Currently only used on SMP for scheduling.
> + *
> + * We know that all SMP capable CPUs have cycle counters.
> + */
> +
> +typedef unsigned long cycles_t;
> +
> +static inline cycles_t get_cycles(void)
> +{
> + return drdtime();
> +}
Please add:
#define get_cycles get_cycles
which is what other archs are getting for 5.19.
Jason
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