linux-kernel - Re: [PATCH v4 1/3] Add notrace to lib/ucmpdi2.c

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Date:   Tue, 3 Apr 2018 14:51:06 +0100
From:   Matt Redfearn <matt.redfearn@...s.com>
To:     Palmer Dabbelt <palmer@...ive.com>
CC:     <antonynpavlov@...il.com>, <jhogan@...nel.org>,
        <ralf@...ux-mips.org>, <linux-mips@...ux-mips.org>,
        <geert@...ux-m68k.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 1/3] Add notrace to lib/ucmpdi2.c

Hi Palmer,

On 29/03/18 22:59, Palmer Dabbelt wrote:
> On Thu, 29 Mar 2018 03:41:21 PDT (-0700), matt.redfearn@...s.com wrote:
>> From: Palmer Dabbelt <palmer@...ive.com>
>>
>> As part of the MIPS conversion to use the generic GCC library routines,
>> Matt Redfearn discovered that I'd missed a notrace on __ucmpdi2().  This
>> patch rectifies the problem.
>>
>> CC: Matt Redfearn <matt.redfearn@...s.com>
>> CC: Antony Pavlov <antonynpavlov@...il.com>
>> Signed-off-by: Palmer Dabbelt <palmer@...ive.com>
>> Reviewed-by: Matt Redfearn <matt.redfearn@...s.com>
>> Signed-off-by: Matt Redfearn <matt.redfearn@...s.com>
>> ---
>>
>> Changes in v4: None
>> Changes in v3: None
>> Changes in v2:
>>   add notrace to lib/ucmpdi2.c
>>
>>  lib/ucmpdi2.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/lib/ucmpdi2.c b/lib/ucmpdi2.c
>> index 25ca2d4c1e19..597998169a96 100644
>> --- a/lib/ucmpdi2.c
>> +++ b/lib/ucmpdi2.c
>> @@ -17,7 +17,7 @@
>>  #include <linux/module.h>
>>  #include <linux/libgcc.h>
>>
>> -word_type __ucmpdi2(unsigned long long a, unsigned long long b)
>> +word_type notrace __ucmpdi2(unsigned long long a, unsigned long long b)
>>  {
>>      const DWunion au = {.ll = a};
>>      const DWunion bu = {.ll = b};
> 
> Ah, thanks, I think I must have forgotten about this.  I assume these 
> three are going through your tree?

Yeah I think that's the plan - James will need your ack to patch 2 if 
that's ok.

Thanks,
Matt