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SubjectRe: [PATCH v4 0/3] x86: modify_ldt improvement, test, and config option
On 07/25/2015 01:36 AM, Andy Lutomirski wrote:
> Here's v3. It fixes the "dazed and confused" issue, I hope. It's also
> probably a good general attack surface reduction, and it replaces some
> scary code with IMO less scary code.
> Also, servers and embedded systems should probably turn off modify_ldt.
> This makes that possible.
> Xen people, can you take a look at this?
> Willy and Kees: I left the config option alone. The -tiny people will
> like it, and we can always add a sysctl of some sort later.
> Changes from v3:
> - Hopefully fixed Xen.

32b-on-32b fails in the same manner. (but non-zero LDT is taken care of)

> - Fixed 32-bit test case on 32-bit native kernel.

I am not sure I see what changed.


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