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From: Jeff Liu <jeff.liu@oracle.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Fengguang Wu <fengguang.wu@intel.com>,
	kbuild-all@01.org,
	Linux Memory Management List <linux-mm@kvack.org>
Subject: Re: [next:master 156/212] fs/binfmt_elf.c:158:18: note: in expansion of macro 'min'
Date: Thu, 26 Jun 2014 09:45:56 +0800	[thread overview]
Message-ID: <53AB7B54.3030003@oracle.com> (raw)
In-Reply-To: <20140625125926.127128b7bb82cb5dc9c7e01c@linux-foundation.org>


On 06/26/2014 03:59 PM, Andrew Morton wrote:
> On Wed, 25 Jun 2014 19:30:27 +0800 Jeff Liu <jeff.liu@oracle.com> wrote:
> 
>>
>> On 06/25/2014 18:02 PM, Fengguang Wu wrote:

<snip>

>>>    fs/binfmt_elf.c: In function 'get_atrandom_bytes':
>>>    include/linux/kernel.h:713:17: warning: comparison of distinct pointer types lacks a cast
>>>      (void) (&_min1 == &_min2);  \
>>>                     ^
>>>>> fs/binfmt_elf.c:158:18: note: in expansion of macro 'min'
>>>       size_t chunk = min(nbytes, sizeof(random_variable));
>>
>> I remember we have the same report on arch mn10300 about half a year ago, but the code
>> is correct. :)
> 
> We really need to do something about this patch - it's been stuck in
> -mm for ever.
> 
> I have a note here that Stephan Mueller identified issues with it but I
> don't recall what they were - do you? 

Yes, Stephan noted a couple of issues here:
https://lkml.org/lkml/2012/12/14/267

> 
> Maybe you could go back through the list dicussion, identify all/any
> issues which were raised, update the changelog to address them then
> resend it, copying people who were involved in the earlier discussion?

Ok, I'll take care of it.


Cheers,
-Jeff

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  reply	other threads:[~2014-06-26  1:46 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <53aa90d2.Yd3WgTmElIsuiwuV%fengguang.wu@intel.com>
2014-06-25 10:02 ` [next:master 156/212] fs/binfmt_elf.c:158:18: note: in expansion of macro 'min' Fengguang Wu
2014-06-25 11:30   ` Jeff Liu
2014-06-25 19:59     ` Andrew Morton
2014-06-26  1:45       ` Jeff Liu [this message]
2014-06-25 22:44     ` David Rientjes
2014-06-26  2:01       ` Jeff Liu
2014-06-26  6:19         ` David Rientjes
2014-06-26  6:33           ` Jeff Liu
2014-06-26  7:47             ` Fengguang Wu
2014-06-30 22:52               ` [patch] binfmt_elf.c: use get_random_int() to fix entropy depleting fix David Rientjes
2014-06-30 23:05                 ` Kees Cook
2014-06-30 23:06                 ` Andrew Morton

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