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Date:   Sun, 15 May 2022 02:01:31 +0200
From:   "Jason A. Donenfeld" <Jason@zx2c4.com>
To:     Huacai Chen <chenhuacai@loongson.cn>
Cc:     Arnd Bergmann <arnd@arndb.de>, Andy Lutomirski <luto@kernel.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Peter Zijlstra <peterz@infradead.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        David Airlie <airlied@linux.ie>,
        Jonathan Corbet <corbet@lwn.net>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        linux-arch@vger.kernel.org, linux-doc@vger.kernel.org,
        linux-kernel@vger.kernel.org, Xuefeng Li <lixuefeng@loongson.cn>,
        Yanteng Si <siyanteng@loongson.cn>,
        Huacai Chen <chenhuacai@gmail.com>,
        Guo Ren <guoren@kernel.org>, Xuerui Wang <kernel@xen0n.name>,
        Jiaxun Yang <jiaxun.yang@flygoat.com>,
        Stephen Rothwell <sfr@canb.auug.org.au>
Subject: Re: [PATCH V10 08/22] LoongArch: Add other common headers
Message-ID: <YoBC2+2fvmNtcftr@zx2c4.com>
References: <20220514080402.2650181-1-chenhuacai@loongson.cn>
 <20220514080402.2650181-9-chenhuacai@loongson.cn>
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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