On Wed, 7 Jun 2006 16:23:26 -0700 Randy.Dunlap wrote:
> On Wed, 7 Jun 2006 15:40:54 -0700 Andrew Morton wrote:
>
> > On Thu, 8 Jun 2006 00:31:53 +0200
> > "J.A. Magallón" <[email protected]> wrote:
> >
> > > WARNING: drivers/block/floppy.o - Section mismatch: reference to .init.text: from .smp_locks after '' (at offset 0x3c)
> > > WARNING: drivers/block/floppy.o - Section mismatch: reference to .init.text: from .smp_locks after '' (at offset 0x40)
> > > WARNING: drivers/block/floppy.o - Section mismatch: reference to .init.text: from .smp_locks after '' (at offset 0x44)
> >
> > Yes, that's a false positive - doing locking from within an __init section.
> > We need to shut that up somehow.
>
> I currently only see this in an __exit section.
> Here is a patch that fixes it for me.
> J.A., can you test it?
This patch fixes 67 such warnings in allmodconfig for me (x86_64).
> ---
> From: Randy Dunlap <[email protected]>
>
> Add ".smp_locks" section to whitelist as being safe from
> init and exit sections.
>
> Signed-off-by: Randy Dunlap <[email protected]>
> ---
> scripts/mod/modpost.c | 2 ++
> 1 files changed, 2 insertions(+)
>
> --- linux-2617-rc6mm1.orig/scripts/mod/modpost.c
> +++ linux-2617-rc6mm1/scripts/mod/modpost.c
> @@ -852,6 +852,7 @@ static int init_section_ref_ok(const cha
> ".pci_fixup_final",
> ".pdr",
> "__param",
> + ".smp_locks",
> NULL
> };
> /* Start of section names */
> @@ -923,6 +924,7 @@ static int exit_section_ref_ok(const cha
> ".exitcall.exit",
> ".eh_frame",
> ".stab",
> + ".smp_locks",
> NULL
> };
> /* Start of section names */
> -
---
~Randy
-
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