Messages in this thread | | | Date | Tue, 07 Sep 2010 12:13:57 +0300 | From | Avi Kivity <> | Subject | Re: disabling group leader perf_event |
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On 09/07/2010 11:33 AM, Stefan Hajnoczi wrote: > > Native Client: A Sandbox for Portable, Untrusted x86 Native Code, IEEE > Symposium on Security and Privacy, May 2009 > http://nativeclient.googlecode.com/svn/data/docs_tarball/nacl/googleclient/native_client/documentation/nacl_paper.pdf > > The "Inner Sandbox" they talk about verifies a subset of x86 code. > For indirect control flow (computed jumps), they introduce a new > instruction that can do run-time checking of the destination address.
Interesting, but appears to rely on x86 segmentation, which isn't available on x86_64.
Removing that requirement means replacing indirect memory access by a new instruction that does run-time checking, like indirect control flow, which is likely to kill performance.
-- error compiling committee.c: too many arguments to function
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