ACK: [C/linux-azure][D/linux-azure][SRU][PATCH 1/1] UBUNTU: [Config]: enable PAGE_POISONING, PAGE_POISONING_NO_SANITY, PAGE_POISONING_ZERO

[Joshua R. Poulson]

>From the Azure perspective since poisoning still requires a parameter
to be passed on the kernel boot line, we're okay with enabling these.

Acked-by: Joshua R. Poulson <jrp at pun.org>

On Tue, Feb 26, 2019 at 7:18 AM Kleber Souza <kleber.souza at canonical.com> wrote:
>
> On 2/21/19 11:25 PM, Po-Hsu Lin wrote:
> > BugLink: https://bugs.launchpad.net/bugs/1812624
> >
> > Enable these options to match config setting in the generic kernels and
> > the requirement from the security team.
> >
> > Note that this should not have performance impact as this will need to
> > be enabled with page_poison=1 kernel boot option.
> >
> > Signed-off-by: Po-Hsu Lin <po-hsu.lin at canonical.com>
> > ---
> >  debian.azure/config/config.common.ubuntu | 4 +++-
> >  1 file changed, 3 insertions(+), 1 deletion(-)
> >
> > diff --git a/debian.azure/config/config.common.ubuntu b/debian.azure/config/config.common.ubuntu
> > index cb039d4..0030581 100644
> > --- a/debian.azure/config/config.common.ubuntu
> > +++ b/debian.azure/config/config.common.ubuntu
> > @@ -3355,7 +3355,9 @@ CONFIG_PADATA=y
> >  CONFIG_PAGE_COUNTER=y
> >  # CONFIG_PAGE_EXTENSION is not set
> >  # CONFIG_PAGE_OWNER is not set
> > -# CONFIG_PAGE_POISONING is not set
> > +CONFIG_PAGE_POISONING=y
> > +CONFIG_PAGE_POISONING_NO_SANITY=y
> > +CONFIG_PAGE_POISONING_ZERO=y
> >  CONFIG_PAGE_POOL=y
> >  CONFIG_PAGE_TABLE_ISOLATION=y
> >  # CONFIG_PANASONIC_LAPTOP is not set
>
> It makes sense to me to carry these config options from the main kernel.
>
>
> Acked-by: Kleber Sacilotto de Souza <kleber.souza at canonical.com>
>
>
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