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Re: pmap_kenter_pa: mapping already present

Mindaugas Rasiukevicius <> wrote:

> > pmap_pdp_ctor() abuses pmap_kenter_pa() to change the protection of an
> > already existing mapping.  According to rmind this is because on x86
> > pmap_protect() does not work for pmap_kernel().
> Right.  I have not had a chance to look into it yet..
> Please fill a PR.

I failed to do it at that time, and now the bug is in 6.0_BETA. Here is
the PR: kern/46092

Emmanuel Dreyfus

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