Re: [PATCH] powerpc/smp: Use GFP_ATOMIC while allocating tmp mask

2020-10-11 Thread Michael Ellerman
Srikar Dronamraju writes: > Qian Cai reported a regression where CPU Hotplug fails with the latest > powerpc/next > > BUG: sleeping function called from invalid context at mm/slab.h:494 > in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 0, name: swapper/88 > no locks held by swapper/88/0. >

[PATCH] powerpc/smp: Use GFP_ATOMIC while allocating tmp mask

2020-10-07 Thread Srikar Dronamraju
Qian Cai reported a regression where CPU Hotplug fails with the latest powerpc/next BUG: sleeping function called from invalid context at mm/slab.h:494 in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 0, name: swapper/88 no locks held by swapper/88/0. irq event stamp: 18074448 hardirqs last