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From: Meelis Roos <mroos@linux.ee>
To: David Miller <davem@davemloft.net>
Cc: iamjoonsoo.kim@lge.com, linux-kernel@vger.kernel.org,
	cl@linux.com, penberg@kernel.org, rientjes@google.com,
	akpm@linux-foundation.org, linux-mm@kvack.org,
	sparclinux@vger.kernel.org
Subject: Re: unaligned accesses in SLAB etc.
Date: Thu, 16 Oct 2014 10:22:56 +0300 (EEST)	[thread overview]
Message-ID: <alpine.LRH.2.11.1410161021130.5119@adalberg.ut.ee> (raw)
In-Reply-To: <20141015.231154.1804074463934900124.davem@davemloft.net>

> Do you happen to have both gcc-4.9 and a previously working compiler
> on these systems?  If you do, we can build a kernel with gcc-4.9 and
> then selectively compile certain failes with the older working
> compiler to narrow down what compiles into something non-working with
> gcc-4.9

Yes, I kept gcc-4.6 to help resolving it.

[...]

> Hopefully, this should be a simply matter of doing a complete build
> with gcc-4.9, then removing the object file we want to selectively
> build with the older compiler and then going:
> 
> 	make CC="gcc-4.6" arch/sparc/mm/init_64.o
> 
> then relinking with plain 'make'.
> 
> If the build system rebuilds the object file on you when you try
> to relink the final kernel image, we'll have to do some of this
> by hand to make the test.

Unfortunately it starts a full rebuild with plain make after compiling 
some files with gcc-4.6 - detects CC change?

-- 
Meelis Roos (mroos@linux.ee)

  reply	other threads:[~2014-10-16  7:23 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-12  2:15 unaligned accesses in SLAB etc David Miller
2014-10-12 17:20 ` David Miller
2014-10-13 20:22   ` mroos
2014-10-13 23:52     ` Joonsoo Kim
2014-10-14  0:04       ` David Miller
2014-10-14  0:14         ` Joonsoo Kim
2014-10-14 21:19         ` mroos
2014-10-14 21:32           ` David Miller
2014-10-15  8:04             ` Meelis Roos
2014-10-15 18:36               ` David Miller
2014-10-15 20:11                 ` Meelis Roos
2014-10-16  3:11                   ` David Miller
2014-10-16  7:22                     ` Meelis Roos [this message]
2014-10-16 20:11                       ` Meelis Roos
2014-10-16 20:18                         ` David Miller
2014-10-16 21:38                     ` Meelis Roos
2014-10-19  4:32                       ` David Miller
2014-10-19  7:07                         ` Meelis Roos
2014-10-20 18:57                           ` David Miller
2014-10-22 20:39                             ` David Miller
2014-10-22 23:22                               ` Meelis Roos
2014-10-23 17:02                                 ` David Miller
2014-10-23 21:22                                   ` David Miller
2014-10-24  4:54                                     ` Sam Ravnborg
2014-10-24 16:53                                       ` David Miller
2014-10-24  7:49                                     ` Meelis Roos
2014-10-24 16:45                                       ` David Miller
2014-10-16  7:02             ` Meelis Roos
2014-10-16 20:07               ` David Miller
2014-10-16 20:16                 ` Meelis Roos
2014-10-16 20:20                   ` David Miller
2014-10-16 20:50                     ` David Miller
2014-10-17 11:12                       ` Meelis Roos
2014-10-18 17:59                         ` David Miller
2014-10-18 18:23                           ` David Miller
2014-10-19 12:31                             ` Meelis Roos
2014-10-19 17:12                               ` Meelis Roos
2014-10-19 17:18                                 ` David Miller
2014-10-19 15:32                             ` Sam Ravnborg
2014-10-19 17:27                               ` David Miller
2014-10-19 19:55                                 ` Sam Ravnborg
2014-10-16 20:20                 ` Meelis Roos
2014-10-16 20:40                   ` Meelis Roos
2014-10-12 17:22 ` Joonsoo Kim
2014-10-12 17:30   ` David Miller
2014-10-12 17:43     ` Joonsoo Kim

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