Messages in this thread | | | Date | Thu, 2 Nov 2017 13:56:38 +0100 (CET) | From | Thomas Gleixner <> | Subject | Re: [PATCH 02/23] x86, kaiser: do not set _PAGE_USER for init_mm page tables |
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On Thu, 2 Nov 2017, Andy Lutomirski wrote: > > On Nov 2, 2017, at 12:33 PM, Thomas Gleixner <tglx@linutronix.de> wrote: > > Fair enough. I enabled function tracing with emulate_vsyscall as the filter > > on a couple of machines and so far I have no hit at all. Though I found a > > VM with a real old user space (~2005) and that actually used it. > > > > So for the problem at hand, I'd suggest we disable the vsyscall stuff if > > CONFIG_KAISER=y and be done with it. > > I think that time() on not-so-old glibc uses it.
Sigh.
> Even more recent versions of Go use it. :(
Groan. VDSO is there since 2007 and the first usable version of Go was released in 2012.....
Thanks,
tglx
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