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

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Date:   Wed, 30 Oct 2019 08:01:51 -0500
From:   John Donnelly <John.P.Donnelly@...cle.com>
To:     Joerg Roedel <joro@...tes.org>
Cc:     linux-kernel@...r.kernel.org, Lu Baolu <baolu.lu@...ux.intel.com>
Subject: Re: [PATCH v3 ] iommu/vt-d: Fix panic after kexec -p for kdump

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@...r.kernel.org # v5.3+
>>
>> Signed-off-by: John Donnelly <john.p.donnelly@...cle.com>
>> Reviewed-by: Lu Baolu <baolu.lu@...ux.intel.com>
>>
>>
>> ---
>>   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