From: Baoquan He <b...@redhat.com> Date: Sun, 13 Nov 2016 13:01:31 +0800
> This is v2 post. > > In commit 3e1be7a ("bnx2: Reset device during driver initialization"), > firmware requesting code was moved from open stage to probe stage. > The reason is in kdump kernel hardware iommu need device be reset in > driver probe stage, otherwise those in-flight DMA from 1st kernel > will continue going and look up into the newly created io-page tables. > However bnx2 chip resetting involves firmware requesting issue, that > need be done in open stage. > > Michale Chan suggested we can just wait for the old in-flight DMA to > complete at probe stage, then though without device resetting, we > don't need to worry the old in-flight DMA could continue looking up > the newly created io-page tables. > > v1->v2: > Michael suggested to wait for the in-flight DMA to complete at probe > stage. So give up the old method of trying to reset chip at probe > stage, take the new way accordingly. Series applied and queued up for -stable, thanks.