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When panicing due to an unknown/unhandled exception at EL1, dump the registers of the faulting context so that it's easier to figure out what went wrong. In particular, this makes it a lot easier to debug in-kernel BTI failures since it pretty-prints PSTATE.BTYPE in the crash log. Cc: Mark Brown <broonie@kernel.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Mark Rutland <mark.rutland@arm.com> Link: https://lore.kernel.org/r/20200615113458.2884-1-will@kernel.org Signed-off-by: Will Deacon <will@kernel.org> |
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