Messages in this thread | | | Date | Fri, 5 Aug 2011 22:26:56 +0200 | From | Andi Kleen <> | Subject | Re: New vsyscall emulation breaks JITs |
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> I have to say I believe that trying to JIT the vdso or vsyscall pages is > extremely dubious at best. They are fundamentally different from normal > user space in that the kernel can muck with them any time, without > notifying userspace about it. The other aspect of this is that this is > about the legacy vsyscall page, which we're trying to get rid of, partly > because of security problems.
There's clear evidence now you can't: it's used even by new binaries.
-Andi
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