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SubjectRe: (hacky) [PATCH] silence MODPOST section mismatch warnings
On Thu, May 10, 2007 at 01:34:18PM -0700, Chris Wedgwood wrote:
> MODPOST seems to be spewing bogus warnings. It's not clear how best
> to fix it so perhaps we should silence it for now?

I agree. Example bogus warning:

WARNING: arch/arm/mach-iop32x/built-in.o - Section mismatch:
reference to .init.text: from .data between 'iq80321_timer'
(at offset 0x428) and 'iq80321_serial_device'

c04088fc d iq80321_timer
c0408950 d iq80321_serial_device

It's completely unclear what is referencing what, what the two named
symbols mean, and even what "at offset" relates to.

What I can say is that iq80321_timer doesn't reference iq80321_serial_device
nor vice versa, and iq80321_timer is far smaller than 0x428 bytes.

> diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
> index 113dc77..bd6fe7b 100644
> --- a/scripts/mod/modpost.c
> +++ b/scripts/mod/modpost.c
> @@ -872,6 +872,10 @@ static void warn_sec_mismatch(const char *modname, const char *fromsec,
> sechdrs[hdr->e_shstrndx].sh_offset;
> const char *secname = secstrings + sechdrs[sym->st_shndx].sh_name;
> + /* FIXME: this function doesn't work correctly anymore, it's
> + * not clear if it should be fixed or removed. */
> + return;
> +
> find_symbols_between(elf, r.r_offset, fromsec, &before, &after);
> refsym = find_elf_symbol(elf, r.r_addend, sym);

Russell King
Linux kernel 2.6 ARM Linux -
maintainer of:
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