tree 0868d57138244dade96ff556ff1509179ce66fb2
parent d81eea6c79a5ee633411bdada9437891f0bedf70
author Meena Shanmugam <meenashanmugam@google.com> 1659647734 +0000
committer COS Cherry Picker <cloud-image-release@prod.google.com> 1659990538 -0700

lakitu-kernel: Enable IOMMU and IRQ_REMAP configurations.

IRQ_REMAP configuration needs to be enabled inorder to use APIC ids >
256. When more than 256 cpus are used, APIC id is going to be > 256.
To enable IRQ_REMAP, IOMMU_SUPPORT needs to be enabled.

BUG=b/227518000
TEST=presubmit, validation, k8s, manually booting M2 ultra-mem.
RELEASE_NOTE=Enable IOMMU_SUPPORT and IRQ_REMAP kernel configurations.

Signed-off-by: Meena Shanmugam <meenashanmugam@google.com>

Reviewed-on: https://cos-review.googlesource.com/c/third_party/kernel/+/35667
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
Reviewed-by: Robert Kolchmeyer <rkolchmeyer@google.com>

cos-patch: bug
Change-Id: I7d9ca81e92c4a8828d7408cb9525c52cc8b2a528
Reviewed-on: https://cos-review.googlesource.com/c/third_party/kernel/+/35708
Main-Branch-Verified: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
Reviewed-by: Dexter Rivera <riverade@google.com>
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>