From: David Miller <davem@davemloft.net>
To: sunil.kovvuri@gmail.com
Cc: netdev@vger.kernel.org, apinski@marvell.com,
pbhagavatula@marvell.com, sgoutham@marvell.com
Subject: Re: [PATCH 12/15] octeontx2-af: Add TIM unit support.
Date: Sun, 17 Nov 2019 10:36:02 -0800 (PST) [thread overview]
Message-ID: <20191117.103602.1078870124245169278.davem@davemloft.net> (raw)
In-Reply-To: <1574007266-17123-13-git-send-email-sunil.kovvuri@gmail.com>
From: sunil.kovvuri@gmail.com
Date: Sun, 17 Nov 2019 21:44:23 +0530
> +static u64 get_tenns_tsc(void)
> +{
> + u64 tsc = 0;
> +
> +#if defined(CONFIG_ARM64)
> + asm volatile("mrs %0, cntvct_el0" : "=r" (tsc));
> +#endif
> + return tsc;
> +}
> +
> +static u64 get_tenns_clk(void)
> +{
> + u64 tsc = 0;
> +
> +#if defined(CONFIG_ARM64)
> + asm volatile("mrs %0, cntfrq_el0" : "=r" (tsc));
> +#endif
> + return tsc;
> +}
You cannot do this.
Read the tick register of the cpu in a portable way, we have interfaces for
this. If not, create one.
next prev parent reply other threads:[~2019-11-17 18:36 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-17 16:14 [PATCH 00/15] octeontx2-af: SSO, TIM HW blocks and other config support sunil.kovvuri
2019-11-17 16:14 ` [PATCH 01/15] octeontx2-af: Interface backpressure configuration support sunil.kovvuri
2019-11-18 21:12 ` Jakub Kicinski
2019-11-19 7:30 ` Sunil Kovvuri
2019-11-17 16:14 ` [PATCH 02/15] octeontx2-af: Add support for importing firmware data sunil.kovvuri
2019-11-18 21:28 ` Jakub Kicinski
2019-11-19 7:31 ` Sunil Kovvuri
2019-11-19 21:38 ` Jakub Kicinski
2019-11-20 17:27 ` Sunil Kovvuri
2019-11-19 0:01 ` kbuild test robot
2019-11-22 19:37 ` kbuild test robot
2019-11-17 16:14 ` [PATCH 03/15] octeontx2-af: Cleanup CGX config permission checks sunil.kovvuri
2019-11-17 18:33 ` David Miller
2019-11-19 7:33 ` Sunil Kovvuri
2019-11-17 16:14 ` [PATCH 04/15] octeontx2-af: Ingress and egress pause frame configuration sunil.kovvuri
2019-11-18 21:33 ` Jakub Kicinski
2019-11-17 16:14 ` [PATCH 05/15] octeontx2-af: Set discovery ID for RVUM block sunil.kovvuri
2019-11-17 16:14 ` [PATCH 06/15] octeontx2-af: add debug msgs for NPA block errors sunil.kovvuri
2019-11-17 16:14 ` [PATCH 07/15] octeontx2-af: add debug msgs for NIX " sunil.kovvuri
2019-11-17 16:14 ` [PATCH 08/15] octeontx2-af: Add SSO unit support to the AF driver sunil.kovvuri
2019-11-17 16:14 ` [PATCH 09/15] octeontx2-af: Config support for per HWGRP thresholds sunil.kovvuri
2019-11-17 16:14 ` [PATCH 10/15] octeontx2-af: add debug msgs for SSO block errors sunil.kovvuri
2019-11-17 16:14 ` [PATCH 11/15] octeontx2-af: add debugfs support for sso sunil.kovvuri
2019-11-17 16:14 ` [PATCH 12/15] octeontx2-af: Add TIM unit support sunil.kovvuri
2019-11-17 18:36 ` David Miller [this message]
2019-11-19 7:32 ` Sunil Kovvuri
2019-11-17 16:14 ` [PATCH 13/15] octeontx2-af: verify ingress channel in MCAM entry sunil.kovvuri
2019-11-17 16:14 ` [PATCH 14/15] octeontx2-af: NPC Tx parsed data key extraction profile sunil.kovvuri
2019-11-17 16:14 ` [PATCH 15/15] octeontx2-af: Support to get CGX link info like current speed, fec etc sunil.kovvuri
2019-11-18 21:49 ` Jakub Kicinski
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