Re: [PATCH v3 ] iommu/vt-d: Fix panic after kexec -p for kdump

[John Donnelly]

On 10/30/19 4:33 AM, Joerg Roedel wrote:
> Hi John,
>
> On Mon, Oct 21, 2019 at 09:48:10PM -0500, John Donnelly wrote:
> > Fixes: 8af46c784ecfe ("iommu/vt-d: Implement is_attach_deferred iommu ops
> > entry")
> > Cc: stable@xxxxxxxxxxxxxxx # v5.3+
> >
> > Signed-off-by: John Donnelly <john.p.donnelly@xxxxxxxxxx>
> > Reviewed-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
> >
> >
> > ---
> >   drivers/iommu/intel-iommu.c | 2 +-
> >   1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
> > index c4e0e4a9ee9e..f83a9a302f8e 100644
> > --- a/drivers/iommu/intel-iommu.c
> > +++ b/drivers/iommu/intel-iommu.c
> > @@ -2783,7 +2783,7 @@ static int identity_mapping(struct device *dev)
> >   	struct device_domain_info *info;
> >
> >   	info = dev->archdata.iommu;
> > -	if (info && info != DUMMY_DEVICE_DOMAIN_INFO)
> > +	if (info && info != DUMMY_DEVICE_DOMAIN_INFO && info !=
> > DEFER_DEVICE_DOMAIN_INFO)
> >   		return (info->domain == si_domain);
> >
> >   	return 0;
>
> I applied your patch for v5.4, but it needed manual fixup because your
> mailer screwed up the patch format by inserting line-breaks and
> converting tabs to spaces.
>
> Please consider to setup and use 'git send-email' for your next patches.
> This will get it all right and makes life easier for maintainers that
> want to apply your patches.
>
> Thanks,
>
> 	Joerg
Thank you .

I tried using the git mailer from my development server but 
vger.kernel.org mailer rejected it because the generated email did not 
match the subscription email and was rejected.





--
Thank You,
John