CONFIG_THUMB2_KERNEL=y boot failure after Spectre BHB fixes

[Russell King (Oracle)]

On Wed, Mar 30, 2022 at 08:27:56PM +0200, Christian Eggers wrote:
> On Wednesday, 30 March 2022, 19:42:31 CEST, Ard Biesheuvel wrote:
> > Thanks for confirming. The first fix affects all Thumb2
> > configurations, my patch only affects Thumb2 configurations that
> > actually enable the loop8 mitigation for Spectre-BHB.
> > 
> > What type of CPU are you booting on?
> 
> NXP i.MX6ULL (ARM Cortex-A7).

As Cortex-A7 is not listed in Arm Ltd's table for speculative processor
vulnerabilities, the kernel doesn't implement any workarounds.

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