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From: Vasant Hegde <vashegde@amd.com>
To: Eric Wagner <ewagner12@gmail.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>,
	Robin Murphy <robin.murphy@arm.com>,
	Vasant Hegde <vasant.hegde@amd.com>,
	Joerg Roedel <joro@8bytes.org>, Will Deacon <will@kernel.org>,
	Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>,
	iommu@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: Kernel 6.7 regression doesn't boot if using AMD eGPU
Date: Wed, 17 Apr 2024 14:27:03 +0530	[thread overview]
Message-ID: <6a83ebdc-0c9f-47d2-967b-d4ddea039da5@amd.com> (raw)
In-Reply-To: <CAHudX3w63VPCjP5mxOePPosa+KkUw7eMRcJF=MJ-ktNO7CwXdg@mail.gmail.com>



On 4/17/2024 7:46 AM, Eric Wagner wrote:
> On Tue, Apr 16, 2024 at 6:53 AM Vasant Hegde <vashegde@amd.com> wrote:
>>
>> Hi Eric,
>>
>

.../...

>>>
>>>
>>> As it booted ok with Robin's patch above, these changes to
>>> drivers/iommu/amd/iommu.c didn't seem to make a difference for me. I was testing
>>> with amd iommu v2 off in the kernel config and I also have TSME enabled in the
>>> BIOS if that matters.
>>
>> TMSE is transparent to OS. So its fine.
>>
>> -Vasant
>>
> Output of lspci -vvv and /proc/cmdline attached.

Thanks Eric.

-Vasant


  reply	other threads:[~2024-04-17  8:57 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-13 22:04 Kernel 6.7 regression doesn't boot if using AMD eGPU Eric Wagner
2024-04-14  0:01 ` Bagas Sanjaya
2024-04-15  8:04 ` Joerg Roedel
2024-04-15 16:30 ` Jason Gunthorpe
2024-04-15 18:57   ` Eric Wagner
2024-04-15 21:44     ` Robin Murphy
2024-04-16  0:39       ` Jason Gunthorpe
     [not found]         ` <CAHudX3x-ofB=-K6UwWpf4r7Ge9AQbvLQ2qq2C7N-R5LG2qMz7Q@mail.gmail.com>
2024-04-16 10:53           ` Vasant Hegde
2024-04-16 11:39             ` Jason Gunthorpe
2024-04-17  2:16             ` Eric Wagner
2024-04-17  8:57               ` Vasant Hegde [this message]
2024-04-16 11:25         ` Robin Murphy
2024-04-16 11:49           ` Jason Gunthorpe
2024-04-17  8:48             ` Vasant Hegde
2024-04-16 12:44           ` Vasant Hegde
2024-04-17 10:36             ` Robin Murphy
2024-04-18  5:01               ` Vasant Hegde

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