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xen-devel
[Xen-devel] Re: 2.6.22-rc6-mm1: Xen: WARNING: Absolute relocations prese
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To: |
"Eric W. Biederman" <ebiederm@xxxxxxxxxxxx> |
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Subject: |
[Xen-devel] Re: 2.6.22-rc6-mm1: Xen: WARNING: Absolute relocations present |
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From: |
Jeremy Fitzhardinge <jeremy@xxxxxxxx> |
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Date: |
Sun, 01 Jul 2007 09:33:08 -0700 |
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Cc: |
xen-devel@xxxxxxxxxxxxxxxxxxx, Jeremy Fitzhardinge <jeremy@xxxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, Andi Kleen <ak@xxxxxxx>, Adrian Bunk <bunk@xxxxxxxxx>, chrisw@xxxxxxxxxxxx, Vivek Goyal <vgoyal@xxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> |
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Sun, 01 Jul 2007 09:31:10 -0700 |
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Eric W. Biederman wrote:
Jeremy Fitzhardinge <jeremy@xxxxxxxx> writes:
Adrian Bunk wrote:
<-- snip -->
...
RELOCS arch/i386/boot/compressed/vmlinux.relocs
WARNING: Absolute relocations present
Offset Info Type Sym.Value Sym.Name
c0101f80 020c6501 R_386_32 00000000 xen_irq_disable_direct_reloc
c0101f9a 0221ea01 R_386_32 00000000 xen_save_fl_direct_reloc
...
<-- snip -->
Hm. Those are false alarms. I guess I could do something to hide them, but
there's nothing inherently wrong with correctly used abs symbols. Is there
someway to whitelist them?
Yes. Just add them to arch/i386/boot/compressed/relocs.c safe_abs_syms.
OK, how's this?
Subject: xen: suppress abs symbol warnings for unused reloc pointers
The Xen code generates some abs symbols which are OK from a relocation
perspective.
Signed-off-by: Jeremy Fitzhardinge <jeremy@xxxxxxxxxxxxx>
Cc: Adrian Bunk <bunk@xxxxxxxxx>
---
arch/i386/boot/compressed/relocs.c | 2 ++
1 file changed, 2 insertions(+)
===================================================================
--- a/arch/i386/boot/compressed/relocs.c
+++ b/arch/i386/boot/compressed/relocs.c
@@ -31,6 +31,8 @@ static const char* safe_abs_relocs[] = {
"__kernel_rt_sigreturn",
"__kernel_sigreturn",
"SYSENTER_RETURN",
+ "xen_irq_disable_direct_reloc",
+ "xen_save_fl_direct_reloc",
};
static int is_safe_abs_reloc(const char* sym_name)
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