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[Bug libc/12813] Linux x86_64: glibc should prefer the vDSO over vsyscalls
- From: "luto at mit dot edu" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: Fri, 27 May 2011 15:04:49 +0000
- Subject: [Bug libc/12813] Linux x86_64: glibc should prefer the vDSO over vsyscalls
- Auto-submitted: auto-generated
- References: <bug-12813-131@http.sourceware.org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=12813
--- Comment #1 from Andy Lutomirski <luto at mit dot edu> 2011-05-27 15:04:46 UTC ---
As an added benefit of the vDSO over vsyscalls: things like UML can replace the
vDSO if they want to. This means that sched_getcpu and gettimeofday would have
a better chance of returning the guest's answer (instead of the host's) on UML.
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