Re: build #344 issue for v2.6.24-rc8-74-ga7da60f Section mismatch: reference to .init.text:lguest_entry

From: Sam Ravnborg
Date: Sun Jan 20 2008 - 12:22:18 EST


On Sun, Jan 20, 2008 at 04:18:58PM +0100, Toralf Förster wrote:
> Hello,
>
> although I applied the xen-patch:
>
> ..............................................................................
> tfoerste@n22 ~/devel/linux-2.6 $ git diff
> diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
> index f84e772..5e24f67 100644
> --- a/arch/x86/xen/setup.c
> +++ b/arch/x86/xen/setup.c
> @@ -59,7 +59,7 @@ static void xen_idle(void)
> /*
> * Set the bit indicating "nosegneg" library variants should be used.
> */
> -static void fiddle_vdso(void)
> +static void __init fiddle_vdso(void)
> {
> extern u32 VDSO_NOTE_MASK; /* See ../kernel/vsyscall-note.S. */
> extern char vsyscall_int80_start;
> diff --git a/arch/x86/xen/xen-head.S b/arch/x86/xen/xen-head.S
> index f8d6937..288d587 100644
> --- a/arch/x86/xen/xen-head.S
> +++ b/arch/x86/xen/xen-head.S
> @@ -4,16 +4,18 @@
> #ifdef CONFIG_XEN
>
> #include <linux/elfnote.h>
> +#include <linux/init.h>
> #include <asm/boot.h>
> #include <xen/interface/elfnote.h>
>
> -.pushsection .init.text
> + __INIT
> ENTRY(startup_xen)
> movl %esi,xen_start_info
> cld
> movl $(init_thread_union+THREAD_SIZE),%esp
> jmp xen_start_kernel
> -.popsection
> +
> + __FINIT
>
> .pushsection .bss.page_aligned
> .align PAGE_SIZE_asm
> ..............................................................................
>
>
> I got during make :
>
> AS .tmp_kallsyms3.o
> LD vmlinux.o
> MODPOST vmlinux.o
> WARNING: vmlinux.o(.data+0x4): Section mismatch: reference to .init.text:lguest_entry (between 'subarch_entries' and 'stack_start')
> LD vmlinux
> SYSMAP System.map
> SYSMAP .tmp_System.map
>
> The build was made with :
> $> make mrproper && make rndconfig && <tweak config file> && make oldconfig && make

Different issue. Untested patch below.

Sam
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index fbad51f..f0cacff 100644
--- a/arch/x86/kernel/head_32.S
+++ b/arch/x86/kernel/head_32.S
@@ -9,6 +9,7 @@

.text
#include <linux/threads.h>
+#include <linux/init.h>
#include <linux/linkage.h>
#include <asm/segment.h>
#include <asm/page.h>
@@ -151,7 +152,9 @@ WEAK(xen_entry)
/* Unknown implementation; there's really
nothing we can do at this point. */
ud2a
-.data
+
+ __INITDATA
+
subarch_entries:
.long default_entry /* normal x86/PC */
.long lguest_entry /* lguest hypervisor */
--
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