** Changed in: linux-aws (Ubuntu Bionic)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1855729
Title:
ARM CPU erratum Neoverse-N1 #1542419
Status in linux-aws package in Ubuntu:
In Progress
Status in linux-aws source package in Bionic:
Fix Committed
Bug description:
linux-aws-bionic needs the mainline patch set for ARM CPU erratum
Neoverse-N1 #1542419 and its prerequisites:
arm64: compat: Workaround Neoverse-N1 #1542419 for compat user-space
arm64: Fake the IminLine size on systems affected by Neoverse-N1 #1542419
arm64: errata: Hide CTR_EL0.DIC on systems affected by Neoverse-N1 #1542419
arm64: cpufeature: Trap CTR_EL0 access only where it is necessary
arm64: Add part number for Neoverse N1
arm64: Add support for new control bits CTR_EL0.DIC and CTR_EL0.IDC
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