arm64: entry: add support for CONFIG_ARM64_REG_REBALANCE_ON_CTX_SW
Add support for re-balancing register rename pools on context
switches, for a potential performance boost on some ARM64 targets.
Change-Id: I7577c11fac566ae91a210787c70b23591bfbd693
Signed-off-by:
Sanrio Alvares <salvares@codeaurora.org>
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