Re: [1/1] powerpc/pseries: Enable RAS hotplug events late

2018-02-13 Thread Michael Ellerman
On Mon, 2018-02-12 at 00:19:29 UTC, Sam Bobroff wrote: > Currently if the kernel receives a memory hot-unplug event early > enough, it may get stuck in an infinite loop in > dissolve_free_huge_pages(). This appears as a stall just after: > > pseries-hotplug-mem: Attempting to hot-remove XX LMB(s)

Re: [PATCH 1/1] powerpc/pseries: Enable RAS hotplug events late

2018-02-11 Thread Balbir Singh
On Mon, Feb 12, 2018 at 11:19 AM, Sam Bobroff wrote: > Currently if the kernel receives a memory hot-unplug event early > enough, it may get stuck in an infinite loop in > dissolve_free_huge_pages(). This appears as a stall just after: > > pseries-hotplug-mem: Attempting to hot-remove XX LMB(s) at

[PATCH 1/1] powerpc/pseries: Enable RAS hotplug events late

2018-02-11 Thread Sam Bobroff
Currently if the kernel receives a memory hot-unplug event early enough, it may get stuck in an infinite loop in dissolve_free_huge_pages(). This appears as a stall just after: pseries-hotplug-mem: Attempting to hot-remove XX LMB(s) at It appears to be caused by "minimum_order" being uni