[PATCH v6 05/11] ARM: smp: Add initialization of CNTVOFF

Geert Uytterhoeven geert at linux-m68k.org
Wed Apr 18 02:30:47 PDT 2018


Allo Mylène,

On Mon, Apr 16, 2018 at 11:50 PM, Mylène Josserand
<mylene.josserand at bootlin.com> wrote:
> The CNTVOFF register from arch timer is uninitialized.
> It should be done by the bootloader but it is currently not the case,
> even for boot CPU because this SoC is booting in secure mode.
> It leads to an random offset value meaning that each CPU will have a
> different time, which isn't working very well.
>
> Add assembly code used for boot CPU and secondary CPU cores to make
> sure that the CNTVOFF register is initialized. Because this code can
> be used by different platforms, add this assembly file in ARM's common
> folder.

Thanks for your patch!

> Signed-off-by: Mylène Josserand <mylene.josserand at bootlin.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas at glider.be>
Tested-by: Geert Uytterhoeven <geert+renesas at glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds



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