[PATCH v4] ARM: vDSO gettimeofday using generic timer architecture

[Steve Capper]

On 18 March 2014 00:49, David Riley <davidriley at chromium.org> wrote:
> Hi Nathan,
>
> I gave this a try against a 3.10 system and ran into issues when
> vdso.so grew to two pages because of of a large .GCC.command.line
> section.  __get_datapage was returning an address that was at the
> beginning of the second code page instead of the data page since it
> didn't account for the additional section.  I got it working by adding
> .GCC.command.line to the DISCARD group in the linker script, but in
> general it feels as if this code is a bit fragile since it depends on
> knowing exactly which sections exist in the .so for the _vdso_data
> symbol to be correct.
>
> Cheers,
> David
>

Hi David,
Could you please send us the following output:
$ nm -C ./arch/arm/kernel/vdso/vdso.so.dbg

For the vdso without the extra DISCARD?
(As I'm interested in the alignment of __vdso_data)

Cheers,
--
Steve