Messages in this thread | | | Date | Wed, 25 Feb 2004 08:27:49 -0500 (EST) | From | James Morris <> | Subject | Re: cryptoapi highmem bug |
| |
On Tue, 24 Feb 2004, Andrew Morton wrote:
> Jean-Luc Cooke <jlcooke@certainkey.com> wrote: > > > > How do I check for equal real addresses from two virtual ones? > > I don't think there is a practical way of doing this. It would involve > comparing the virtual address with the kmap and atomic kmap regions, > performing a pagetable walk, extracting the pageframe. If the page is not > in a kmap area generate the pageframe directly. Make that work on all > architectures. Very yuk. > > If practical this API should have been defined in terms of > (page/offset/len) and it should have kmapped the pages itself. I guess > it's too late for that.
Do you mean that the crypt() function should do kmapping?
It's not too late to change internals.
- James -- James Morris <jmorris@redhat.com>
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |