Re: [PATCH v2 2/2] bnx2: Wait for in-flight DMA to complete at probe stage
From: Baoquan He
Date: Sat Nov 12 2016 - 23:54:39 EST
On 11/12/16 at 11:40pm, David Miller wrote:
> From: Baoquan He <bhe@xxxxxxxxxx>
> Date: Sun, 13 Nov 2016 12:15:24 +0800
>
> > In-flight DMA from 1st kernel could continue going in kdump kernel.
> > New io-page table has been created before bnx2 does reset at open stage.
> > We have to wait for the in-flight DMA to complete to avoid it look up
> > into the newly created io-page table at probe stage.
> >
> > Suggested-by: Michael Chan <michael.chan@xxxxxxxxxxxx>
> > Signed-off-by: Baoquan He <bhe@xxxxxxxxxx>
> > ---
> > 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.
>
> Patch updates don't work this way.
>
> When you update a patch that is part of a patch series, you must
> resubmit the entire series anew.
Thanks for telling, David!
Learned it. I am not very sure if this is what Michael is suggesting.
Will resubmit the entire patch series.
Thanks
Baoquan