On Sunday 30 October 2005 15:03, Martin J. Bligh wrote:
> CC arch/x86_64/pci/../../i386/pci/fixup.o
> arch/x86_64/pci/../../i386/pci/fixup.c: In function `pci_fixup_i450nx':
> arch/x86_64/pci/../../i386/pci/fixup.c:13: error: pci_fixup_i450nx causes a section type conflict
> make[1]: *** [arch/x86_64/pci/../../i386/pci/fixup.o] Error 1
> make: *** [arch/x86_64/pci] Error 2
>
> Config: http://ftp.kernel.org/pub/linux/kernel/people/mbligh/config/abat/amd64
>
I think it's a gcc bug. Anyways, this should work around it.
Linus, can you please apply it?
---
Work around gcc bug that causes build failures like
(exact function it is reported on varies with compiler version and optimization
level)
> arch/x86_64/pci/../../i386/pci/fixup.c: In function `pci_fixup_i450nx':
> arch/x86_64/pci/../../i386/pci/fixup.c:13: error: pci_fixup_i450nx causes a section type conflict
with !CONFIG_HOTPLUG. It makes the !CONFIG_HOTPLUG case act
like CONFIG_HOTPLUG. This wastes a bit of memory, but is not
too bad.
The sections are legitimate, but gcc somehow gets confused.
Compiling with -O3 seems to also help at least with gcc 4, but I'm
not sure it'll help everything. Splitting up the file might
a different option.
Signed-off-by: Andi Kleen <[email protected]>
diff -u linux-2.6.14-git2/arch/i386/pci/fixup.c-o linux-2.6.14-git2/arch/i386/pci/fixup.c
--- linux-2.6.14-git2/arch/i386/pci/fixup.c-o 2005-10-30 16:09:41.000000000 +0100
+++ linux-2.6.14-git2/arch/i386/pci/fixup.c 2005-10-30 16:42:32.000000000 +0100
@@ -8,6 +8,9 @@
#include <linux/init.h>
#include "pci.h"
+/* Works around a gcc bug which gets confused with so many section switches */
+#undef __devinit
+#define __devinit
static void __devinit pci_fixup_i450nx(struct pci_dev *d)
{
-
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