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Re: Features backports

Yoshitake Kobayashi
 

Hi,

Since the Intel Apollo Lake has already released, we started to check the
patches for that. I think the basic functionality has already upstreamed
and it might be enough for expected use cases.

http://git.yoctoproject.org/cgit/cgit.cgi/linux-yocto-4.4/log/?h=standard/intel/bxt-rebase

I continue to clarify more details.

Best regards,
Yoshi

On 2016/11/18 21:26, Agustin Benito Bethencourt wrote:
Hi,

as you probably know, the more features we backport, the higher will be the maintenance cost overtime so as a strategy, we need to be very conservative.

I sent a mail some days ago about the features backported already by Linaro for their LSK (Linaro Stable Kernel) for your evaluation. I bring today some potential backports related with security features and hardware support that has been identified by Ben H.

* UBSAN support:
<https://git.kernel.org/linus/c6d308534aef6c99904bf5862066360ae067abc4>

* Increased user-space ASLR range for ARM:
<https://lwn.net/Articles/667790/>

* Page poisoning on free:
<https://git.kernel.org/linus/8823b1dbc05fab1a8bec275eeae4709257c2661d>,
<https://git.kernel.org/linus/1414c7f4f7d72d138fff35f00151d15749b5beda>

* SLAB/SLUB freelist randomisation

* Hardened usercopy

* Do Members use SLUB? if not, we should take a look at KASAN support for SLAB

* drm/tilcdc update? (many bug fixes post-4.4)

* AM33xx RTC support:

<https://git.kernel.org/linus/461932dfb54ebaf7da438fd8b769a01ce97a9360>,
<https://git.kernel.org/linus/b5a553c08bec14a058501df3fa6eb39f63f00a98>


Best Regards
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