(2012/12/24 21:09), Tang Chen wrote: > In __remove_section(), we locked pgdat_resize_lock when calling > sparse_remove_one_section(). This lock will disable irq. But we don't need > to lock the whole function. If we do some work to free pagetables in > free_section_usemap(), we need to call flush_tlb_all(), which need > irq enabled. Otherwise the WARN_ON_ONCE() in smp_call_function_many() > will be triggered. > > Signed-off-by: Tang Chen <tangc...@cn.fujitsu.com> > Signed-off-by: Lai Jiangshan <la...@cn.fujitsu.com> > Signed-off-by: Wen Congyang <we...@cn.fujitsu.com>
If this is a bug fix, call-trace in your log and BUGFIX or -fix- in patch title will be appreciated, I think. Acked-by: KAMEZAWA Hiroyuki <kamezawa.hir...@jp.fujitsu.com> _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
