On Sun, 2020-08-23 at 23:03 -0400, Bruce Ashfield wrote: > > > On Sun, Aug 23, 2020 at 7:59 PM Mittal, Anuj <anuj.mit...@intel.com> > wrote: > > On Sat, 2020-08-22 at 01:20 -0700, Khem Raj wrote: > > > Hi Bruce > > > > > > On rv64 I am seeing an error while building lttng > > > > > > #error "LTTng-modules requires CONFIG_KPROBES on kernels >= > > 5.7.0" > > > > 20 | # error "LTTng-modules requires CONFIG_KPROBES on > > kernels > > > > >= 5.7.0" > > > > | ^~~~~ > > > > > > I wonder if we need to update defconfig > > > > I see the same failure with linux-yocto-rt kernel as well. > > > > -rt doesn't enable kprobes, so yes, with the latest lttng, it would > trigger that issue. > > Traditionally -rt had issues with kprobes, but that is resolved now. > Rather than adding the overhead, the enablement is still on demand > for -rt. > > That being said, it looks like lttng has forced my hand, I just > enabled the config by default in -rt and don't see any issues. > > I'll send a patch on Monday to fix it up.
Thanks Bruce. Should PREFERRRED_VERSION of linux-yocto-rt should also be explicitly set like that of linux-yocto? I was wondering if there is a specific reason why we don't set version for that kernel for qemu and BSPs? Thanks, Anuj
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