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Will Deacon authored
Stepping with PSTATE.D=1 is bad news. The step won't generate a debug exception and we'll likely walk off into random data structures. This should never happen, but when it does, it's a PITA to debug. Add a WARN_ON to shout if we realise this is about to take place. Signed-off-by:
Will Deacon <will.deacon@arm.com> Acked-by:
Mark Rutland <mark.rutland@arm.com> Signed-off-by:
Catalin Marinas <catalin.marinas@arm.com>
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