Re: [PATCH 2/3] arm64: cpufeature: Fix handling of CTR_EL0.IDC field

2018-10-04 Thread Suzuki K Poulose
Hi, On 04/10/18 09:33, Suzuki K Poulose wrote: CTR_EL0.IDC reports the data cache clean requirements for instruction to data coherence. However, if the field is 0, we need to check the CLIDR_EL1 fields to detect the status of the feature. Currently we don't do this and generate a warning with ta

[PATCH 2/3] arm64: cpufeature: Fix handling of CTR_EL0.IDC field

2018-10-04 Thread Suzuki K Poulose
CTR_EL0.IDC reports the data cache clean requirements for instruction to data coherence. However, if the field is 0, we need to check the CLIDR_EL1 fields to detect the status of the feature. Currently we don't do this and generate a warning with tainting the kernel, when there is a mismatch in the