Re: [PATCH v4 09/21] arm64: cpufeature: Add global feature override facility

From: Suzuki K Poulose
Date: Sat Jan 23 2021 - 11:01:20 EST


On 1/18/21 9:45 AM, Marc Zyngier wrote:
Add a facility to globally override a feature, no matter what
the HW says. Yes, this sounds dangerous, but we do respect the
"safe" value for a given feature. This doesn't mean the user
doesn't need to know what they are doing.

Nothing uses this yet, so we are pretty safe. For now.

Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>

Reviewed-by: Suzuki K Poulose <suzuki.poulose@xxxxxxx>