[PATCH v4 0/2] arm/arm64: KVM: Optimize arm64 fp/simd, saves 30-50% on exits

Marc Zyngier marc.zyngier at arm.com
Fri Jul 17 03:28:09 PDT 2015

On 16/07/15 22:29, Mario Smarduch wrote:
> Currently we save/restore fp/simd on each exit. The first patch optimizes arm64
> save/restore, we only do so on Guest access. hackbench and several lmbench
> tests show anywhere from 30% to 50% of exits don't context switch the vfp/simd
> registers.
> For second patch 32-bit handler is updated to keep exit handling consistent
> with 64-bit code.

This looks pretty good, I'll take these patches in for 4.3.


Jazz is not dead. It just smells funny...

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