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

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Message-ID: <CALCETrU0b3u5jiSQe-Z97cNXhRD4Dq2tNbBf=YG9Pdom+CU1PA@mail.gmail.com>
Date:	Mon, 15 Jun 2015 16:15:45 -0700
From:	Andy Lutomirski <luto@...capital.net>
To:	wharms@....de
Cc:	Andy Lutomirski <luto@...nel.org>, X86 ML <x86@...nel.org>,
	Borislav Petkov <bp@...e.de>,
	Peter Zijlstra <peterz@...radead.org>,
	John Stultz <john.stultz@...aro.org>,
	"linux-kernel@...r.kernel.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()

On Sat, Jun 13, 2015 at 3:45 AM, walter harms <wharms@....de> wrote:
> Hello,
> please add a line what is the difference between V1 and V2.
>

There is none.  v1 was screwed up elsewhere in the series.

This is part of a larger series to clean up the rdtsc inlines and
macros.  I'm hoping for an ack so this can go in through -tip.

Thanks,
Andy

> 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)



-- 
Andy Lutomirski
AMA Capital Management, LLC
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