Nathan Lynch [off-list ref] writes:
Hi Michael,
Michael Ellerman [off-list ref] writes:
quoted
Nathan Lynch [off-list ref] writes:
quoted
When smp_send_safe_nmi_ipi() indicates that the target CPU has
responded to the IPI, skip the remote paca inspection
fallback. Otherwise both the sending and target CPUs attempt the
backtrace, usually creating a misleading ("didn't respond to backtrace
IPI" is wrong) and interleaved mess:
Thanks for fixing my bugs for me :)
Thanks for your review! I was beginning to think I had missed some
subtletly here, thanks for illustrating it.
I'll run with your proposed change below for the problem I'm working.
Thanks. I did test it a bit with the test_lockup module, but some real
world testing would be good too.
cheers