Messages in this thread | | | Date | Fri, 5 Aug 2011 22:52:22 +0200 | From | Andi Kleen <> | Subject | Re: New vsyscall emulation breaks JITs |
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On Fri, Aug 05, 2011 at 01:48:28PM -0700, H. Peter Anvin wrote: > On 08/05/2011 01:45 PM, Andrew Lutomirski wrote: > > > > hpa: time is supported (as of 3.0) by the vdso, and very new glibc > > uses the vdso version. We could add a native time implementation back > > to the vsyscall page without too much pain as a short-term fix, but > > that would be less than ideal. > > > > How new does glibc have to be?
Mine from May 17 doesn't support it.
> How much of a pain would it be to make the legacy vs emulated vsyscall > page a config option?
CONFIG_DONT_BREAK_MY_BINARIES?
If anything runtime, but really for me it looks like the vsyscall changes should be only in one of those limited compability paranoia patchkits.
-Andi
-- ak@linux.intel.com -- Speaking for myself only.
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