On Thu, Aug 01, 2019 at 12:05:44PM +0530, Viresh Kumar wrote:

On 01-08-19, 07:30, Julien Thierry wrote:

quoted

I must admit I am not familiar with backport/stable process enough. But
personally I think the your suggestion seems more sensible than
backporting 4 patches.

Or you can maybe ignore patch 25 and say in patch 24 that among the
changes made for the 4.4 codebase, the call arm64_apply_bp_hardening()
was moved from post_ttbr_update_workaround as it doesn't exist and
placed in check_and_switch_context() as it is its final destination.

Done that and dropped the other two patches.

quoted

However, I really don't know what's the best way to proceed according to
existing practices. So input from someone else would be welcome.

Lets see if someone comes up and ask me to do something else :)

Keeping the same patches that upstream has is almost always the better
thing to do in the long-run.

thanks,

greg k-h

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