Jan Beulich wrote:
Instead of suppressing the change of .text to become readonly, make the SMP locks patching code properly adjust/restore the page access rights.
I guess we'll need to do the same thing for paravirt_ops patching?
On x86-64 additionally remove all mappings past the kernel image, and remove leftovers from the removal of the more general (but abandoned) SMP alternatives.
I'd already posted a patch to remove smp alternatives. I thought it had been merged already, but I guess it's in Andi's queue.
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