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0d95cfa922
A bunch of fixes, mostly for existing code and going to stable. Our memory hot-unplug path wasn't flushing the cache before removing memory. That is a problem now that we are doing memory hotplug on bare metal. Three fixes for the NPU code that supports devices connected via NVLink (ie. GPUs). The main one tweaks the TLB flush algorithm to avoid soft lockups for large flushes. A fix for our memory error handling where we would loop infinitely, returning back to the bad access and hard lockup the CPU. Fixes for the OPAL RTC driver, which wasn't handling some error cases correctly. A fix for a hardlockup in the powernv cpufreq driver. And finally two fixes to our smp_send_stop(), required due to a recent change to use it on shutdown. Thanks to: Alistair Popple, Balbir Singh, Laurentiu Tudor, Mahesh Salgaonkar, Mark Hairgrove, Nicholas Piggin, Rashmica Gupta, Shilpasri G Bhat. -----BEGIN PGP SIGNATURE----- iQIwBAABCAAaBQJa5FRaExxtcGVAZWxsZXJtYW4uaWQuYXUACgkQUevqPMjhpYA3 LQ//es8gvVVYxXOP5m+jl+LP//nQ8Z9l4ezW/0QmtAwuzAnt31F3eYcBwtIa5EaZ Fm7iQ5eu+o4JJSj7y/a1gXZOgZaG1uprc6psUdI+FZ6rQ3AAF9BlD7J5ZvkJ/Nuz Wo37+oxr8T8dpGYurS2nrOyP1654ZNvtkHzr1rovhNZ/Yx6GuDppyou1cBrcHgoQ f/SILBDpwPQ6sEzMOPptN3SNajq2716kgoTT9yU2lEHGReeMPc1RL1gVw91O7jdA RJGZl/GTPDDuT2hg0yms4eWhmMDbfQU6kRbPwBtYM5BsCvvBGuISL3RKSceNSo/C LO3IqnirNff0zzx5dSuy+cmzoPxMbDhWV91to29HJH5cyvWCqH8V5uJsKeHnDbmr YscSvgi6iEbiMtuckYL8Bqe/jcE/4RCRixH+j7mkJc+XUrvjligUFG9VVq8tERXF lA/M0Zh+AI0doFjiPbkWHlbcfPu0jhwnZ7aivpf5FKdcfF6aeBr5tX+j0bRqAXEZ FVUd2gst7s73q4B8b8QicfMpJkYfWia9PnrifrHe10EYi9kL2z5GjDOz8s6Suzed KD+XGuLWb9zm2Fuga/Guzx2YM0DWTEk/or5qbBRh+44WTprEZxDTotVl5tTYfgsU ErEnGqlBevCrzknbe7ZaWKlkzSNXxoF9OpETf8kVOocEuWs= =JJLB -----END PGP SIGNATURE----- Merge tag 'powerpc-4.17-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: "A bunch of fixes, mostly for existing code and going to stable. Our memory hot-unplug path wasn't flushing the cache before removing memory. That is a problem now that we are doing memory hotplug on bare metal. Three fixes for the NPU code that supports devices connected via NVLink (ie. GPUs). The main one tweaks the TLB flush algorithm to avoid soft lockups for large flushes. A fix for our memory error handling where we would loop infinitely, returning back to the bad access and hard lockup the CPU. Fixes for the OPAL RTC driver, which wasn't handling some error cases correctly. A fix for a hardlockup in the powernv cpufreq driver. And finally two fixes to our smp_send_stop(), required due to a recent change to use it on shutdown. Thanks to: Alistair Popple, Balbir Singh, Laurentiu Tudor, Mahesh Salgaonkar, Mark Hairgrove, Nicholas Piggin, Rashmica Gupta, Shilpasri G Bhat" * tag 'powerpc-4.17-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/kvm/booke: Fix altivec related build break powerpc: Fix deadlock with multiple calls to smp_send_stop cpufreq: powernv: Fix hardlockup due to synchronous smp_call in timer interrupt powerpc: Fix smp_send_stop NMI IPI handling rtc: opal: Fix OPAL RTC driver OPAL_BUSY loops powerpc/mce: Fix a bug where mce loops on memory UE. powerpc/powernv/npu: Do a PID GPU TLB flush when invalidating a large address range powerpc/powernv/npu: Prevent overwriting of pnv_npu2_init_contex() callback parameters powerpc/powernv/npu: Add lock to prevent race in concurrent context init/destroy powerpc/powernv/memtrace: Let the arch hotunplug code flush cache powerpc/mm: Flush cache on memory hot(un)plug |
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