linux-kernel - Re: [PATCH v2 08/17] baycom_epp: Replace rdtscl() with native_read

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Message-ID: <557C09B0.3020301@bfs.de>
Date:	Sat, 13 Jun 2015 12:45:04 +0200
From:	walter harms <wharms@....de>
To:	Andy Lutomirski <luto@...nel.org>
CC:	x86@...nel.org, Borislav Petkov <bp@...e.de>,
	Peter Zijlstra <peterz@...radead.org>,
	John Stultz <john.stultz@...aro.org>,
	linux-kernel@...r.kernel.org, Len Brown <lenb@...nel.org>,
	Huang Rui <ray.huang@....com>,
	Denys Vlasenko <dvlasenk@...hat.com>,
	Thomas Sailer <t.sailer@...mni.ethz.ch>,
	linux-hams@...r.kernel.org
Subject: Re: [PATCH v2 08/17] baycom_epp: Replace rdtscl() with native_read_tsc()

Hello,
please add a line what is the difference between V1 and V2.

re,
 wh

Am 13.06.2015 01:44, schrieb Andy Lutomirski:
> This is only used if BAYCOM_DEBUG is defined.
> 
> Cc: Thomas Sailer <t.sailer@...mni.ethz.ch>
> Cc: linux-hams@...r.kernel.org
> Signed-off-by: Andy Lutomirski <luto@...nel.org>
> ---
>  drivers/net/hamradio/baycom_epp.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/hamradio/baycom_epp.c b/drivers/net/hamradio/baycom_epp.c
> index 83c7cce0d172..44e5c3b5e0af 100644
> --- a/drivers/net/hamradio/baycom_epp.c
> +++ b/drivers/net/hamradio/baycom_epp.c
> @@ -638,7 +638,7 @@ static int receive(struct net_device *dev, int cnt)
>  #define GETTICK(x)                                                \
>  ({                                                                \
>  	if (cpu_has_tsc)                                          \
> -		rdtscl(x);                                        \
> +		x = (unsigned int)native_read_tsc();		  \
>  })
>  #else /* __i386__ */
>  #define GETTICK(x)
--
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