-foundation.org
Subject: Re: [PATCH 1/1] iommu/vt-d: Skip TE disabling on quirky gfx dedicated
iommu
[EXTERNAL EMAIL]
Hi Limonciello,
On 7/21/20 10:44 PM, Limonciello, Mario wrote:
-Original Message-
From: iommu On Behalf Of Lu
Baolu
Sent: Monday, July 20, 2020 7:17 PM
To: Joerg Roedel
Cc
On 7/22/20 11:07 AM, Lu Baolu wrote:
On 7/22/20 11:03 AM, Jun Miao wrote:
On 7/22/20 10:40 AM, Lu Baolu wrote:
Hi Jun,
On 7/22/20 10:26 AM, Miao, Jun wrote:
Kernel panic - not syncing: DMAR hardware is malfunctioning
CPU: 0 PID: 347 Comm: rtcwake Not tainted 5.4.0-yocto-standard #124
Hardware
On 7/22/20 11:03 AM, Jun Miao wrote:
On 7/22/20 10:40 AM, Lu Baolu wrote:
Hi Jun,
On 7/22/20 10:26 AM, Miao, Jun wrote:
Kernel panic - not syncing: DMAR hardware is malfunctioning
CPU: 0 PID: 347 Comm: rtcwake Not tainted 5.4.0-yocto-standard #124
Hardware name: Intel Corporation Ice Lake Clie
On 7/22/20 10:40 AM, Lu Baolu wrote:
Hi Jun,
On 7/22/20 10:26 AM, Miao, Jun wrote:
Kernel panic - not syncing: DMAR hardware is malfunctioning
CPU: 0 PID: 347 Comm: rtcwake Not tainted 5.4.0-yocto-standard #124
Hardware name: Intel Corporation Ice Lake Client Platform/IceLake U
DDR4
SODIMM PD
Hi Jun,
On 7/22/20 10:26 AM, Miao, Jun wrote:
Kernel panic - not syncing: DMAR hardware is malfunctioning
CPU: 0 PID: 347 Comm: rtcwake Not tainted 5.4.0-yocto-standard #124
Hardware name: Intel Corporation Ice Lake Client Platform/IceLake U DDR4
SODIMM PD RVP TLC, BIOS ICLSFWR1.R00.3162.A00.190
gt; Baolu
> >> Sent: Monday, July 20, 2020 7:17 PM
> >> To: Joerg Roedel
> >> Cc: Ashok Raj;linux-kernel@vger.kernel.org;sta...@vger.kernel.org; Koba
> >> Ko;io...@lists.linux-foundation.org
> >> Subject: [PATCH 1/1] iommu/vt-d: Skip TE disablin
: [PATCH 1/1] iommu/vt-d: Skip TE disabling on quirky gfx dedicated
iommu
The VT-d spec requires (10.4.4 Global Command Register, TE field) that:
Hardware implementations supporting DMA draining must drain any in-flight
DMA read/write requests queued within the Root-Complex before completing
the
> -Original Message-
> From: iommu On Behalf Of Lu
> Baolu
> Sent: Monday, July 20, 2020 7:17 PM
> To: Joerg Roedel
> Cc: Ashok Raj; linux-kernel@vger.kernel.org; sta...@vger.kernel.org; Koba
> Ko; io...@lists.linux-foundation.org
> Subject: [PATCH 1/1] iommu/vt
The VT-d spec requires (10.4.4 Global Command Register, TE field) that:
Hardware implementations supporting DMA draining must drain any in-flight
DMA read/write requests queued within the Root-Complex before completing
the translation enable command and reflecting the status of the command
through
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