[Bug libc/27300] GLIBC_TUNABLES=glibc.cpu.hwcaps=-IBT,-SHSTK not working

["honggyu.kp at gmail dot com" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=27300

--- Comment #6 from Honggyu Kim <honggyu.kp at gmail dot com> ---
(In reply to H.J. Lu from comment #5)
> (In reply to Honggyu Kim from comment #4)
> > (In reply to H.J. Lu from comment #3)
> > > Please use Ubuntu 20.10 or verify that all patches on users/hjl/cet/2.31
> > > branch at:
> > > 
> > > https://gitlab.com/x86-glibc/glibc/-/tree/users/hjl/cet/2.31
> > > 
> > > have been applied in glibc in Ubuntu 20.04.
> > 
> > Thanks for the quick reply. Does it mean that they are not applied in Ubuntu
> > 20.04 so it makes the problem? If so, is there any way to avoid this problem?
> > 
> > I don't have a machine that has Ubuntu 20.10 so will test it after setting
> > it up. Thanks very much for your help.
> 
> Please disable CET under Ubuntu 20.04

Thanks but how can I disable CET?

> or use Ubuntu 20.10.

The thing is that we want to support uftrace tool to cover all the distros
including Ubuntu 20.04. Our users cannot properly use the specific feature due
to this problem.

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