Re: Section mismatch on current git head

From: Len Brown
Date: Sat Dec 23 2006 - 00:58:16 EST



> WARNING: vmlinux - Section mismatch: reference to
> .init.data:acpi_sci_flags from .text between 'acpi_sci_ioapic_setup' (at
> offset 0xc010e020) and 'acpi_unmap_lsapic'
> WARNING: vmlinux - Section mismatch: reference to
> .init.data:acpi_sci_flags from .text between 'acpi_sci_ioapic_setup' (at
> offset 0xc010e04a) and 'acpi_unmap_lsapic'
> WARNING: vmlinux - Section mismatch: reference to
> .init.text:mp_override_legacy_irq from .text between
> 'acpi_sci_ioapic_setup' (at offset 0xc010e062) and 'acpi_unmap_lsapic'
> WARNING: vmlinux - Section mismatch: reference to
> .init.data:acpi_sci_override_gsi from .text between
> 'acpi_sci_ioapic_setup' (at offset 0xc010e068) and 'acpi_unmap_lsapic'

The acpi_sci_ioapic_setup ones should go away with the patch below, but do no harm in the mean-time.
cheers,
-Len

commit 0351a612f7a46995c28d4ef6189229b5d1dfc6c3
Author: Len Brown <len.brown@xxxxxxxxx>
Date: Thu Dec 21 01:29:59 2006 -0500

ACPI: fix section mis-match build warning

Dunno why this pops out in only in the allmodconfig build.
Though the warning is accurate, all the callers of the flagged
non __init function are __init, this is not a functional change.

WARNING: vmlinux - Section mismatch: reference to .init.data:acpi_sci_flags from .text between 'acpi_sci_ioapic_setup' (at offset 0xc010f0a
6) and 'acpi_gsi_to_irq' WARNING: vmlinux - Section mismatch: reference to .init.text:mp_override_legacy_irq from .text between 'acpi_sci_ioapic_setup' (at offset 0
xc010f0de) and 'acpi_gsi_to_irq' WARNING: vmlinux - Section mismatch: reference to .init.data:acpi_sci_override_gsi from .text between 'acpi_sci_ioapic_setup' (at offset 0x
c010f0e4) and 'acpi_gsi_to_irq'

Signed-off-by: Len Brown <len.brown@xxxxxxxxx>

diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
index c8f96cf..45cffbf 100644
--- a/arch/i386/kernel/acpi/boot.c
+++ b/arch/i386/kernel/acpi/boot.c
@@ -333,7 +333,7 @@ acpi_parse_ioapic(acpi_table_entry_header * header, const unsigned long end)
/*
* Parse Interrupt Source Override for the ACPI SCI
*/
-static void acpi_sci_ioapic_setup(u32 gsi, u16 polarity, u16 trigger)
+static void __init acpi_sci_ioapic_setup(u32 gsi, u16 polarity, u16 trigger)
{
if (trigger == 0) /* compatible SCI trigger is level */
trigger = 3;

-
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