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Re: pmap_kenter_pa: mapping already present
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Mindaugas Rasiukevicius
Aug 13, 2011, 9:23:31 AM8/13/11
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"J. Hannken-Illjes" <han...@eis.cs.tu-bs.de> wrote:
> It is a bug that should finally get its PR :-)
>
> 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().
> It is a bug that should finally get its PR :-)
>
> 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.
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Mindaugas
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