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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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004417a6d4
The perf hardware pmu got initialized at various points in the boot, some before early_initcall() some after (notably arch_initcall). The problem is that the NMI lockup detector is ran from early_initcall() and expects the hardware pmu to be present. Sanitize this by moving all architecture hardware pmu implementations to initialize at early_initcall() and move the lockup detector to an explicit initcall right after that. Cc: paulus <paulus@samba.org> Cc: davem <davem@davemloft.net> Cc: Michael Cree <mcree@orcon.net.nz> Cc: Deng-Cheng Zhu <dengcheng.zhu@gmail.com> Acked-by: Paul Mundt <lethal@linux-sh.org> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <1290707759.2145.119.camel@laptop> Signed-off-by: Ingo Molnar <mingo@elte.hu> |
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