* Linus Torvalds <torva...@linux-foundation.org> wrote:
> On Fri, Sep 21, 2012 at 12:43 PM, H. Peter Anvin <h...@linux.intel.com> wrote:
>
> > Supervisor Mode Access Prevention (SMAP) is a new security
> > feature disclosed by Intel in revision 014 of the Intel®
> > Architecture Instruction Set Extensions Programming
> > Reference:
>
> Looks good.
>
> Did this find any bugs, btw? We've had a few cases where we
> forgot to use the proper user access function, and code just
> happened to work because it all boils down to the same thing
> and never got any page faults in practice anyway..
The 4g:4g patch sweeped out most of the historic ones - so what
we have are perhaps newer bugs (but those should be pretty rare,
most new features are cross-arch).
Thanks,
Ingo
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