Re: ftrace breaks sparc64 build

Jan Beulich
2009-01-08T09:28:37Z

>>> Al Viro <viro@ZenIV.linux.org.uk> 06.01.09 12:35 >>>
>On Tue, Jan 06, 2009 at 07:53:04AM +0000, Jan Beulich wrote:
>> The others look like a tools side behavioral difference, as I never saw any
>> such. Is this problem sparc32-specific (I tested x86 and ia64 only)? What's
>> the binutils version used?
>
>2.18.50.0.6.
>
>And no, it's not tools side. What it is, AFAICT, is that sparc32 has
>LDFLAGS_vmlinux = -r, which leaves a metric arseload of relocs that
>wouldn't have survived into vmlinux otherwise. Look at .rela__ksymtab
>in .tmp_vmlinux1, for example...

So that should help:

--- a/init/Kconfig
+++ b/init/Kconfig
@@ -588,6 +588,8 @@
config KALLSYMS_STRIP_GENERATED
bool "Strip machine generated symbols from kallsyms"
depends on KALLSYMS_ALL
+ # This doesn't work with -r in LDFLAGS_vmlinux.
+ depends on !SPARC || SPARC64
default y
help
Say N if you want kallsyms to retain even machine generated symbols.