Message-ID: <5069FFEA.20900@att.net>
Date: Mon, 01 Oct 2012 15:41:14 -0500
From: Daniel Santos <danielfsantos@att.net>
Reply-To: Daniel Santos <daniel.santos@pobox.com>
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To: Andrew Morton <akpm@linux-foundation.org>
CC: LKML <linux-kernel@vger.kernel.org>, Josh Triplett <josh@joshtriplett.org>,
        Borislav Petkov <bp@alien8.de>, Steven Rostedt <rostedt@goodmis.org>
Subject: Re: [PATCH v6 0/25] Generic Red-Black Trees
References: <1348797281-25021-1-git-send-email-daniel.santos@pobox.com> <20121001124331.540a2615.akpm@linux-foundation.org>
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Andrew,

I'm really sorry for the debacle of this round of patches.  It turns out
that my patches weren't reaching LKML because my recipient list was too
large
and the server was tagging it as spam, so none of these patches you
committed
ever made it to LKML. :(  To fix that, I broke the 25 patches
into 3 smaller sets.

[PATCH 0/10] Cleanup & new features for compiler*.h and bug.h
[PATCH 0/3] kernel-doc bug fixes
[PATCH v6 0/10] Generic Red-Black Trees

On 10/01/2012 02:43 PM, Andrew Morton wrote:
> On Thu, 27 Sep 2012 20:54:16 -0500
> Daniel Santos <daniel.santos@pobox.com> wrote:
>
>> This patch set improves on Andrea Arcangeli's original Red-Black Tree
>> implementation by adding generic search and insert functions with
>> complete support for:
>
> I grabbed patches 1-7, but I don't expect to send them in for 3.7. 
> It's not a good time to be merging new material, but I like cleanups.
>
I probably should have bumped the version to 7 to reduce the confusion.
Some maintainers have requested some changes in some of the first 10
patches (the compiler*.h & bug.h).  Can you roll them back or is it
better to
just send the corrections?

So one change, which you noted ("[PATCH v6 4/25] compiler-gcc{3,4}.h: Use
GCC_VERSION macro" is now "[PATCH 4/10]..." of the "Cleanup & new
features for
compiler*.h and bug.h" patch set.

>>  /* GCC 4.1.[01] miscompiles __weak */
>>  #ifdef __KERNEL__
>> -# if __GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ <= 1
>> +# if GCC_VERSION >= 40100 &&  GCC_VERSION <= 40101
>>  //#  error Your version of gcc miscompiles the __weak directive
>>  # endif
>>  #endif
>> @@ -13,11 +13,11 @@
>>  #define __must_check 		__attribute__((warn_unused_result))
>>  #define __compiler_offsetof(a,b) __builtin_offsetof(a,b)
>>  
>> -#if __GNUC_MINOR__ > 0
>> +#if GCC_VERSION >= 40102
> Is this correct (and clear)?  I'd expect
>
> 	#if GCC_VERSION > 40000
This should actually be gcc 4.1.0 or higher. I was going from the
presumption
that 4.1.0 & 4.1.1 wouldn't compile due to the __weak thing above, but
that's
unrelated (and now commented out), so it should just be >= 4.1.0.

#if GCC_VERSION >= 40100

They also want the order of patches 5 & 6 reversed (breaks build in between
otherwise) and patch notes added to the patch "[PATCH 6/10] bug.h: Replace
__linktime_error with __compiletime_error" and we're going to rework
BUILD_BUG_ON.

I can rebase against whatever you like and send either corrections or an
updated patch set. Just tell me what works please.

Thank you for your patience as I learn the ropes in this project.

Daniel

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