linux-kernel - Re: [PATCH v2 00/11] Peripheral Image Loader support for Qualcomm SoCs running Linux host at EL2

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Message-ID: <f5582304-8f55-4c3b-b752-9cefa1e4df96@oss.qualcomm.com>
Date: Wed, 3 Sep 2025 13:56:18 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Vikash Garodia <quic_vgarodia@...cinc.com>,
        Dikshita Agarwal <quic_dikshita@...cinc.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Abhinav Kumar <abhinav.kumar@...ux.dev>, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-media@...r.kernel.org,
        linux-remoteproc@...r.kernel.org
Subject: Re: [PATCH v2 00/11] Peripheral Image Loader support for Qualcomm
 SoCs running Linux host at EL2

On 8/20/25 1:22 PM, Mukesh Ojha wrote:
> On Wed, Aug 20, 2025 at 12:03:16PM +0100, Bryan O'Donoghue wrote:
>> On 19/08/2025 17:54, Mukesh Ojha wrote:
>>> This is a further continuation with a new approach to the topic
>>> discussed in [1] regarding the enablement of Secure Peripheral Image
>>> Loader support on Qualcomm SoCs when Linux runs at EL2.
>>>
>>> A few months ago, we also discussed the challenges at Linaro Connect
>>> 2025 [2] related to enabling remoteproc when Linux is running at EL2.
>>>
>>> [1]
>>> https://lore.kernel.org/lkml/20241004212359.2263502-1-quic_mojha@quicinc.com/
>>>
>>> [2]
>>> https://resources.linaro.org/en/resource/sF8jXifdb9V1mUefdbfafa
>>>
>>> Below, is the summary of the discussion.
>>
>> Which tree does this apply to exactly ?
>>
>> git-log-graph linux-stable/master
>> * c17b750b3ad9f - (tag: v6.17-rc2, linux-stable/master, linux-stable/HEAD)
>> Linux 6.17-rc2 (3 days ago)
>> *   8d561baae505b - Merge tag 'x86_urgent_for_v6.17_rc2' of
>> git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip (3 days ago)
>>
>> b4 shazam 20250812-qcom-tee-using-tee-ss-without-mem-obj-v7-7-ce7a1a774803@....qualcomm.com
>>
>> b4 shazam 20250819165447.4149674-1-mukesh.ojha@....qualcomm.com
>>
>> Grabbing thread from lore.kernel.org/all/20250819165447.4149674-1-mukesh.ojha@....qualcomm.com/t.mbox.gz
>> Checking for newer revisions
>> Grabbing search results from lore.kernel.org
>> Analyzing 18 messages in the thread
>> Analyzing 0 code-review messages
>> Checking attestation on all messages, may take a moment...
>> ---
>>   ✓ [PATCH v2 1/11] firmware: qcom_scm: Introduce PAS context initialization
>> helper
>>   ✓ [PATCH v2 2/11] soc: qcom: mdtloader: Add context aware
>> qcom_mdt_pas_load() helper
>>   ✓ [PATCH v2 3/11] firmware: qcom_scm: Add a prep version of auth_and_reset
>> function
>>   ✓ [PATCH v2 4/11] firmware: qcom_scm: Simplify qcom_scm_pas_init_image()
>>   ✓ [PATCH v2 5/11] firmware: qcom_scm: Add shmbridge support to
>> pas_init/release function
>>   ✓ [PATCH v2 6/11] remoteproc: Move resource table data structure to its
>> own header
>>   ✓ [PATCH v2 7/11] firmware: qcom_scm: Add qcom_scm_pas_get_rsc_table() to
>> get resource table
>>   ✓ [PATCH v2 8/11] soc: qcom: mdt_loader: Add helper functions to map and
>> unmap resources
>>   ✓ [PATCH v2 9/11] remoteproc: pas: Extend parse_fw callback to parse
>> resource table
>>   ✓ [PATCH v2 10/11] remoteproc: qcom: pas: Enable Secure PAS support with
>> IOMMU managed by Linux
>>   ✓ [PATCH v2 11/11] media: iris: Enable Secure PAS support with IOMMU
>> managed by Linux
>>   ---
>>   ✓ Signed: DKIM/qualcomm.com (From: mukesh.ojha@....qualcomm.com)
>> ---
>> Total patches: 11
>> ---
>> Applying: firmware: qcom_scm: Introduce PAS context initialization helper
>> Applying: soc: qcom: mdtloader: Add context aware qcom_mdt_pas_load() helper
>> Patch failed at 0002 soc: qcom: mdtloader: Add context aware
>> qcom_mdt_pas_load() helper
>> error: patch failed: drivers/remoteproc/qcom_q6v5_pas.c:235
>> error: drivers/remoteproc/qcom_q6v5_pas.c: patch does not apply
>> error: patch failed: drivers/soc/qcom/mdt_loader.c:302
>> error: drivers/soc/qcom/mdt_loader.c: patch does not apply
>> error: patch failed: include/linux/soc/qcom/mdt_loader.h:10
>> error: include/linux/soc/qcom/mdt_loader.h: patch does not apply
>> hint: Use 'git am --show-current-patch=diff' to see the failed patch
>> hint: When you have resolved this problem, run "git am --continue".
>> hint: If you prefer to skip this patch, run "git am --skip" instead.
>> hint: To restore the original branch and stop patching, run "git am
>> --abort".
>> hint: Disable this message with "git config set advice.mergeConflict false"
> 
> Very sorry for the error.
> 
> Can you try with this next-20250814 tag ?

You sent it on the 19th, so it's in your best interest to run a quick

git rebase --onto linux-next/master $(git describe --abbrev=0)

and giving the series a prompt re-test before sending, because there might have
been incompatible changes, whether ones that would prevent applying, or break
things functionally

Konrad