Re: [PATCH v2] iscsi_ibft: Fix finding the iBFT under Xen Dom 0

From: Dave Hansen
Date: Thu Jun 01 2023 - 13:09:00 EST


On 6/1/23 09:57, Dave Hansen wrote:
> On 5/30/23 08:01, Ross Lagerwall wrote:
>> Since firmware doesn't indicate the iBFT in the E820, add a reserved
>> region so that it gets identity mapped when running as Dom 0 so that it
>> is possible to search for it. Move the call to reserve_ibft_region()
>> later so that it is called after the Xen identity mapping adjustments
>> are applied.

Oh, and one more thing:

What is the end user visible effect of this problem and of your solution?

Do Xen Dom 0 systems fail to find their boot iSCSI volume and refuse to
boot? I take it after this patch that they can boot again.