Nicholas Piggin 4d24e21cc6 powerpc/security: Allow for processors that flush the link stack using the special bcctr ...

If both count cache and link stack are to be flushed, and can be flushed
with the special bcctr, patch that in directly to the flush/branch nop
site.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200609070610.846703-7-npiggin@gmail.com

2020-07-16 13:12:32 +10:00

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