linux-kernel - Re: [net-next PATCH 1/3] octeontx2-af: Sending tsc value to the userspace

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Message-ID: <20220217160507.05ae03fd@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Thu, 17 Feb 2022 16:05:07 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Rakesh Babu Saladi <rsaladi2@...vell.com>
Cc:     <sgoutham@...vell.com>, <gakula@...vell.com>,
        <sbhatta@...vell.com>, <hkelam@...vell.com>, <davem@...emloft.net>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Harman Kalra <hkalra@...vell.com>
Subject: Re: [net-next PATCH 1/3] octeontx2-af: Sending tsc value to the
 userspace

On Thu, 17 Feb 2022 23:34:48 +0530 Rakesh Babu Saladi wrote:
> +#if defined(CONFIG_ARM64)
> +	return is_pmu ? read_sysreg(pmccntr_el0) : read_sysreg(cntvct_el0);
> +#else
> +	return 0;
> +#endif

And this bit probably calls for a CC to linux-arm