arm64: Clear OSDLR_EL1 on CPU boot

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Some firmwares may reboot CPUs with OS Double Lock set. Make sure that
it is unlocked, in order to use debug exceptions.

Cc: <stable@vger.kernel.org>
Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

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Jean-Philippe Brucker 2019-04-08 18:17:18 +01:00 • committed by Will Deacon

parent 475ba3fc19

commit 6fda41bf12

1 changed files with 1 additions and 0 deletions

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arch/arm64/kernel/debug-monitors.c

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