Re: [PATCH 02/16] pstore/ram: Should update old dmesg buffer before reading

[Kees Cook]

On Tue, May 22, 2012 at 7:17 AM, Anton Vorontsov
<anton.vorontsov@xxxxxxxxxx> wrote:
> Without the update, we'll only see the new dmesg buffer after the
> reboot, but previously we could see it right away. Making an oops
> visible in pstore filesystem before reboot is a somewhat dubious
> feature, but removing it wasn't an intentional change, so let's
> restore it.
>
> For this we have to make persistent_ram_save_old() safe for calling
> multiple times, and also extern it.
>
> Signed-off-by: Anton Vorontsov <anton.vorontsov@xxxxxxxxxx>

Acked-by: Kees Cook <keescook@xxxxxxxxxxxx>

-- 
Kees Cook
Chrome OS Security
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/