Re: solving page table access attribute aliasing.

2005-08-30 Thread Eric W. Biederman
Andi Kleen <[EMAIL PROTECTED]> writes: > On Tuesday 30 August 2005 08:21, Eric W. Biederman wrote: > >> Letting drivers/users decide is the interface we have now so >> unless we wish to change the linux driver model we need to support >> it. >> >> From this perspective I think the change should be

solving page table access attribute aliasing.

2005-08-29 Thread Eric W. Biederman
I agree that it is a good thing to solve the aliasing problem, so we don't fight.. There are three cases we need to worry about physical addresses. 1) Physical addresses that we use as RAM that have a struct page. 2) Physical addresses without a struct page we map into kernel space. 3) Physical a