Switch to KVM hypervisor on Rb3Gen2-Core-Kit and QCM6490-IDP by vkraleti · Pull Request #2879 · qualcomm-linux/meta-qcom

Viswanath Kraleti (vkraleti) · 2026-08-05T11:02:23Z

All PILs are functioning correctly with KVM on Rb3Gen2-Core-Kit and QCM6490-IDP. Update
FIT_DTB_COMPATIBLE entries and machine configurations to switch to KVM on these boards.

qcomlnxci · 2026-08-05T20:12:18Z

Test Coral run workflow

Test jobs for commit `c4dcacb`

qcomdistro: multimedia image-prop
Pass: 38 | Fail: 3 | Others: 12 | Total: 53
qcomdistro: multimedia image
Pass: 8 | Fail: 1 | Total: 9

github-actions · 2026-08-19T09:19:49Z

Test run workflow

Test jobs for commit `8eb083a`

qcom-distro
Pass: 307 | Fail: 19 | Total: 357

qcom-distro_linux-qcom-6.18
Pass: 238 | Fail: 0 | Total: 259

nodistro
Pass: 10 | Fail: 0 | Total: 10

test-reporting-app · 2026-08-19T09:20:10Z

Test Results

68 files ±0 319 suites ±0 3h 53m 6s ⏱️ + 24m 32s
149 tests - 2 147 ✅ + 2 1 💤 +1 1 ❌ - 5
2 100 runs +1 2 078 ✅ +12 21 💤 - 6 1 ❌ - 5

For more details on these failures, see this check.

Results for commit 8eb083a. ± Comparison against base commit cf53a39.

This pull request removes 2 tests.

lava ‑ boot-qdl-retry
lava ‑ reset-device

♻️ This comment has been updated with latest results.

qcomlnxci · 2026-08-19T16:51:15Z

Test Coral run workflow

Test jobs for commit `a0d5c14`

qcomdistro: multimedia image-prop
Pass: 26 | Fail: 0 | Total: 26
qcomdistro: multimedia image
Pass: 9 | Fail: 0 | Total: 9

qcomlnxci · 2026-08-21T04:24:32Z

Test Coral run workflow

Test jobs for commit `d3973df`

qcomdistro: multimedia image-prop
Pass: 44 | Fail: 0 | Total: 44
qcomdistro: multimedia image
Pass: 9 | Fail: 0 | Total: 9

Viswanath Kraleti (vkraleti) · 2026-08-24T05:38:48Z

Dmitry Baryshkov (@lumag) Ricardo Salveti (@ricardosalveti) KVM enablement for QCS6490 is planned for the upcoming release, and we are running short on time to complete the full L4 test cycle. Could you please review this PR and let me know if you see any issues or required modifications?

As you are already aware, supporting both hypervisors is being tracked in another PR, on which we can continue discussions for a clean switching solution.

Dmitry Baryshkov (lumag) · 2026-08-24T13:09:07Z

KVM enablement for QCS6490 is planned for the upcoming release,

We have two different items here. KVM enablement and KVM being a default. Could we separate them? I don't think we require KVM being a default for completing L4 testing?

Viswanath Kraleti (vkraleti) · 2026-08-25T08:44:22Z

KVM enablement for QCS6490 is planned for the upcoming release,

We have two different items here. KVM enablement and KVM being a default. Could we separate them? I don't think we require KVM being a default for completing L4 testing?

Commitment for Sep release is to switch to default KVM and perform complete L4 testing on KVM.

Dmitry Baryshkov (lumag) · 2026-08-25T12:55:05Z

KVM enablement for QCS6490 is planned for the upcoming release,

We have two different items here. KVM enablement and KVM being a default. Could we separate them? I don't think we require KVM being a default for completing L4 testing?

Commitment for Sep release is to switch to default KVM and perform complete L4 testing on KVM.

This means it must be implemented correctly. No shortcuts,

Viswanath Kraleti (vkraleti) · 2026-09-01T17:35:23Z

Dmitry Baryshkov (@lumag) Ricardo Salveti (@ricardosalveti) as discussed over the call with sahitya-tummala, I updated the commit messages in the current PR and also created #3052 to add Gunyah support in CI. Can you please review?

qcomlnxci · 2026-09-16T19:55:50Z

Test Coral run workflow

Test jobs for commit `44f5115`

qcomdistro: multimedia image-prop
Pass: 41 | Fail: 0 | Total: 41
qcomdistro: multimedia image
Pass: 9 | Fail: 0 | Total: 9

Viswanath Kraleti (vkraleti) · 2026-09-16T23:04:05Z

Dmitry Baryshkov (@lumag) Ricardo Salveti (@ricardosalveti) rebased on tip to resolve conflicts. Can you recheck?

The el2gh suffix selects the Gunyah hypervisor variant of a board's compatible string, the same way el2kvm selects the KVM variant. Like camx and staging, it is a feature/hypervisor selector rather than board metadata, so it has no corresponding node in qcom-metadata.dtb. test_fitimage_compatible_metadata_validation validates every dash-separated suffix of the generated ITS compatible strings against the metadata node names, and so already fails today on the pre-existing el2gh entries in fit-dtb-compatible-linux-qcom.inc. Add el2gh to the skip set to match the metadata-check script's blacklist, and to COMPAT_EXTENSIONS so the unit-level fixtures stay in sync. Signed-off-by: Viswanath Kraleti <viswanath.kraleti@oss.qualcomm.com>

KVM is the preffered hypervisor for Qualcomm Linux SoCs. Gunyah was used as an interim solution till KVM is fully functional. Now that KVM support on Rb3Gen2 Core Kit has been validated, it no longer requires Gunyah as an interim solution. Add 'kvm' to MACHINE_FEATURES so that the KVM-specific XBL configuration is selected during boot. This switches the default hypervisor to KVM and aligns Rb3Gen2 Core Kit with IQ-615-EVK, IQ-8275-EVK, and IQ-9075-EVK. Signed-off-by: Viswanath Kraleti <viswanath.kraleti@oss.qualcomm.com>

KVM is the preffered hypervisor for Qualcomm Linux SoCs. Gunyah was used as an interim solution till KVM is fully functional. Now that KVM support on QCM6490-IDP has been validated, it no longer requires Gunyah as an interim solution. Add 'kvm' to MACHINE_FEATURES so that the KVM-specific XBL configuration is selected during boot. This switches the default hypervisor to KVM and aligns QCM6490-IDP with IQ-615-EVK, IQ-8275-EVK, and IQ-9075-EVK. Signed-off-by: Viswanath Kraleti <viswanath.kraleti@oss.qualcomm.com>

Kodiak FIT_DTB_COMPATIBLE entries currently use el2kvm-suffixed compatible strings to load el2.dtbo for KVM. Entries without any el2 suffix implicitly meant Gunyah. As KVM is the default hypervisor now, rename the kodiak entries to match: drop the -el2kvm suffix from the entries that select kodiak-el2.dtbo, and append -el2gh to the sibling entries that don't, so the unsuffixed compatible string is KVM by default. Signed-off-by: Viswanath Kraleti <viswanath.kraleti@oss.qualcomm.com>

The kodiak entries were renamed so the unsuffixed compatible string is KVM by default and an -el2gh suffix marks the Gunyah variant, but no -el2gh entry existed for the plain (no -staging, no -camx) combos, so those boards had no way to select the Gunyah DTB without kodiak-el2. Add the missing -el2gh entries for qcm6490-idp, qcs5430-iot, qcs6490-iot, and their subtype2/subtype9 variants. Signed-off-by: Viswanath Kraleti <viswanath.kraleti@oss.qualcomm.com>

The kodiak "-staging" FIT_DTB_COMPATIBLE entries carried no hypervisor overlay, unlike their non-staging counterparts, which were switched to default to the kvm hypervisor in a previous commit. Append "kodiak-el2" to the "-staging" entries' values so they default to kvm as well, consistent with the rest of the kodiak entries. Signed-off-by: Viswanath Kraleti <viswanath.kraleti@oss.qualcomm.com>

The rb3gen2-core-kit-open-fw machine inherit base rb3gen2-core-kit machine configuration which now has 'kvm' by default. The KAS fragment it was using to inject 'kvm' is therefore redundant, so switch the CI entry from qcom-distro-kvm to qcom-distro. Signed-off-by: Viswanath Kraleti <viswanath.kraleti@oss.qualcomm.com>

KVM is now enabled by default on Rb3Gen2-Core-Kit, making the dedicated KVM build is redundent. Signed-off-by: Viswanath Kraleti <viswanath.kraleti@oss.qualcomm.com>

Dmitry Baryshkov (lumag)

Thanks!

Ricardo Salveti (ricardosalveti) · 2026-09-17T19:19:13Z

Known test failures.

quic-yocto-ci · 2026-09-17T19:19:37Z

Git push to origin failed for wrynose with exitcode 1

qcomlnxci · 2026-09-17T20:02:20Z

Test Coral run workflow

Test jobs for commit `17ba272`

qcomdistro: multimedia image-prop
Pass: 23 | Fail: 0 | Total: 23
qcomdistro: multimedia image
Pass: 9 | Fail: 0 | Total: 9

qcomlnxci · 2026-09-18T00:03:27Z

Test Coral run workflow

Test jobs for commit `d26a0cc`

qcomdistro: multimedia image
Pass: 9 | Fail: 0 | Total: 9
qcomdistro: multimedia image-prop
Pass: 39 | Fail: 1 | Others: 1 | Total: 41

qcomlnxci · 2026-09-18T09:08:53Z

Test Coral run workflow

Test jobs for commit `8eb083a`

qcomdistro: multimedia image
Pass: 9 | Fail: 0 | Total: 9
qcomdistro: multimedia image-prop
Pass: 38 | Fail: 3 | Total: 41

Follow up to #2879. Three small fixes to the kodiak compatible strings now that kvm is the default hypervisor. qcs6490-iot subtype13 was the only kodiak combo left without kodiak-el2, since it only exists in the base fit-dtb-compatible.inc, so that board boots without the EL2 fixups while running the kvm xbl_config. The Gunyah entries for the kodiak camx staging combos ended up as -camx-el2gh-staging, while qcs615, qcs8275, qcs8300, qcs9075 and sa8775p-qam-r2.0 all use -el2gh-camx-staging. The last commit fixes the same outlier on sa8775p-qam, which was raised during the review of #2879.

…CM6490-IDP (#3189) # Description Backport of #2879 to `wrynose`.

Viswanath Kraleti (vkraleti) requested review from Anuj Mittal (anujm1), Koen Kooi (koenkooi), Dmitry Baryshkov (lumag), Milosz Wasilewski (mwasilew), Nicolas Dechesne (ndechesne), Jose Quaresma (quaresmajose) and Ricardo Salveti (ricardosalveti) as code owners August 5, 2026 11:02

Jose Quaresma (quaresmajose) previously approved these changes Aug 5, 2026

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Viswanath Kraleti (vkraleti) dismissed Jose Quaresma (quaresmajose)’s stale review via 7d56df9 August 19, 2026 05:20

Viswanath Kraleti (vkraleti) force-pushed the kodiak-kvm branch 2 times, most recently from 7d56df9 to a0d5c14 Compare August 19, 2026 05:27

Dmitry Baryshkov (lumag) requested changes Aug 19, 2026

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Viswanath Kraleti (vkraleti) force-pushed the kodiak-kvm branch 2 times, most recently from c9890b0 to d3973df Compare August 20, 2026 10:55

Viswanath Kraleti (vkraleti) force-pushed the kodiak-kvm branch from d3973df to b6c9efc Compare September 1, 2026 16:18

Viswanath Kraleti (vkraleti) changed the title ~~Enable KVM by default on Rb3Gen2-Core-Kit and QCM6490-IDP~~ Switch to KVM hypervisor on Rb3Gen2-Core-Kit and QCM6490-IDP Sep 1, 2026

Viswanath Kraleti (vkraleti) force-pushed the kodiak-kvm branch from b6c9efc to 373420d Compare September 1, 2026 16:48

Viswanath Kraleti (vkraleti) added the backport wrynose label Sep 1, 2026

Ricardo Salveti (ricardosalveti) reviewed Sep 1, 2026

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Comment thread conf/machine/include/fit-dtb-compatible-linux-qcom.inc Outdated

Viswanath Kraleti (vkraleti) force-pushed the kodiak-kvm branch from 44f5115 to 17ba272 Compare September 16, 2026 23:02

Viswanath Kraleti (vkraleti) force-pushed the kodiak-kvm branch from 17ba272 to d26a0cc Compare September 17, 2026 03:03

Viswanath Kraleti (vkraleti) added 8 commits September 17, 2026 14:49

build-yocto: drop rb3gen2-core-kit kvm build variant

8eb083a

KVM is now enabled by default on Rb3Gen2-Core-Kit, making the dedicated KVM build is redundent. Signed-off-by: Viswanath Kraleti <viswanath.kraleti@oss.qualcomm.com>

Viswanath Kraleti (vkraleti) force-pushed the kodiak-kvm branch from d26a0cc to 8eb083a Compare September 17, 2026 09:19

Viswanath Kraleti (vkraleti) requested review from Dmitry Baryshkov (lumag) and Ricardo Salveti (ricardosalveti) September 17, 2026 17:06

Dmitry Baryshkov (lumag) approved these changes Sep 17, 2026

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Dmitry Baryshkov (lumag) requested review from Jose Quaresma (quaresmajose) and sahitya-tummala September 17, 2026 17:11

Ricardo Salveti (ricardosalveti) approved these changes Sep 17, 2026

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Ricardo Salveti (ricardosalveti) merged commit 30af9dd into qualcomm-linux:master Sep 17, 2026
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Ricardo Salveti (ricardosalveti) mentioned this pull request Sep 17, 2026

fit-dtb-compatible: kodiak el2 follow ups for kvm by default #3186

Merged

Viswanath Kraleti (vkraleti) deleted the kodiak-kvm branch September 18, 2026 00:21

Viswanath Kraleti (vkraleti) mentioned this pull request Sep 18, 2026

[Backport wrynose] Switch to KVM hypervisor on Rb3Gen2-Core-Kit and QCM6490-IDP #3189

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Ricardo Salveti (ricardosalveti) added a commit that referenced this pull request Sep 19, 2026

[Backport wrynose] Switch to KVM hypervisor on Rb3Gen2-Core-Kit and Q…

d055051

…CM6490-IDP (#3189) # Description Backport of #2879 to `wrynose`.

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