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

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Date:   Tue, 03 Apr 2018 15:40:04 -0700 (PDT)
From:   Palmer Dabbelt <palmer@...ive.com>
To:     matt.redfearn@...s.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

On Tue, 03 Apr 2018 06:51:06 PDT (-0700), matt.redfearn@...s.com wrote:
> 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.

OK, I think I acked the right one... :)