SOURCES: kernel-proxy-pda.patch (NEW) - kernel-proxy-pda.patch: fi...

[qrczak]

Author: qrczak                       Date: Mon Mar 12 19:38:34 2007 GMT
Module: SOURCES                       Tag: HEAD
---- Log message:
- kernel-proxy-pda.patch: fixed compilation with gcc-4.1.2

---- Files affected:
SOURCES:
   kernel-proxy-pda.patch (NONE -> 1.1)  (NEW)

---- Diffs:

================================================================
Index: SOURCES/kernel-proxy-pda.patch
diff -u /dev/null SOURCES/kernel-proxy-pda.patch:1.1
--- /dev/null	Mon Mar 12 20:38:34 2007
+++ SOURCES/kernel-proxy-pda.patch	Mon Mar 12 20:38:29 2007
@@ -0,0 +1,71 @@
+From ak at suse.de Mon Mar 12 01:31:09 2007
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+To: Marcin 'Qrczak' Kowalczyk <qrczak at knm.org.pl>
+Cc: linux-kernel at vger.kernel.org
+Subject: Re: _proxy_pda still makes linking modules fail
+References: <1173315479.12472.9.camel at qrnik>
+From: Andi Kleen <andi at firstfloor.org>
+Date: 12 Mar 2007 02:19:05 +0100
+In-Reply-To: <1173315479.12472.9.camel at qrnik>
+Message-ID: <p73lki39s3a.fsf at bingen.suse.de>
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+
+Marcin 'Qrczak' Kowalczyk <qrczak at knm.org.pl> writes:
+> 
+> I've heard that it now builds with gcc-4.2.0 snapshots. This is strange:
+> if the problem has been fixed for gcc-4.2.0, why doesn't it work for
+> gcc-4.1.2? arch/i386/kernel/vmlinux.lds.S does contain _proxy_pda = 0;
+
+Hmm, it probably needs a EXPORT_SYMBOL. The previous change only
+fixed the in kernel build.
+
+Does it work with this patch?
+
+-Andi
+
+Export _proxy_pda for gcc 4.2
+
+The symbol is not actually used, but the compiler unforunately generates
+a (unused) reference to it. This can happen even in modules. So export it.
+
+Signed-off-by: Andi Kleen <ak at suse.de>
+
+Index: linux/arch/i386/kernel/i386_ksyms.c
+===================================================================
+--- linux.orig/arch/i386/kernel/i386_ksyms.c
++++ linux/arch/i386/kernel/i386_ksyms.c
+@@ -28,3 +28,5 @@ EXPORT_SYMBOL(__read_lock_failed);
+ #endif
+ 
+ EXPORT_SYMBOL(csum_partial);
++
++EXPORT_SYMBOL(_proxy_pda);
+Index: linux/arch/x86_64/kernel/x8664_ksyms.c
+===================================================================
+--- linux.orig/arch/x86_64/kernel/x8664_ksyms.c
++++ linux/arch/x86_64/kernel/x8664_ksyms.c
+@@ -61,3 +61,4 @@ EXPORT_SYMBOL(empty_zero_page);
+ EXPORT_SYMBOL(init_level4_pgt);
+ EXPORT_SYMBOL(load_gs_index);
+ 
++EXPORT_SYMBOL(_proxy_pda);
================================================================