Re: [PATCH v4 00/12] mm/kasan: make kasan=on|off work for all three modes

[Baoquan He <bhe@redhat.com>]

On 12/05/25 at 12:03pm, Heiko Carstens wrote:
> On Fri, Dec 05, 2025 at 03:14:43PM +0800, Baoquan He wrote:
> > On 12/04/25 at 05:38pm, Andrey Konovalov wrote:
> > > On Fri, Nov 28, 2025 at 4:33 AM Baoquan He <bhe@redhat.com> wrote:
> > > I also wonder if we should keep this kasan=off functionality
> > > conservative and limit it to x86 and arm64 (since these are the only
> > > two tested architectures).
> > 
> > We may not need to do that. I tested on arm64 because it has sw_tags and
> > hw_tags. And if x86_64 and arm64 works well with kasan=off in generic
> > mode, it should be fine on other architectures. I am a little more
> > familiar with operations on x86/arm64 than others.  I can manage to get
> > power system to test kasan=off in generic mode, if that is required.
> > From my side, I would like to see x86_64/arm64/s390/power to have
> > kasan=off because RHEL support these architectures. I need consult people
> > to make clear how to change in s390. Will post patch later or ask other
> > people to help do that.
> 
> We are aware that s390 support is missing / does not work, and will
> provide something. I guess something based on this series would be
> good, or are you planning to send a new version anytime soon?

I will send v5 soon to address Andrey's concerns. That would be great if
you or any s390 expert can send patch based on v5. Thanks a lot.