arm64: kexec: Add comment to explain use of __flush_icache_range()

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Now that we understand the deadlock arising from flush_icache_range()
on the kexec crash kernel path, add a comment to justify the use of
__flush_icache_range() here.

Reported-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

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Will Deacon 2018-07-31 12:09:03 +01:00

parent eab1cecc12

commit dcab90d909

1 changed files with 8 additions and 1 deletions

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arch/arm64/kernel/machine_kexec.c

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