Full context-switch supporting for Arm64 kvm platform.
Open
arch: arm
priority: p2
revived
type: enhancement
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Description
The Arm64 user-mode execution stat consists of:
* [x] X0- X30
* [x] PC, SP, PSTATE
* [x] TPIDR_EL0, using for TLS
* [x] V0-V31: 32 128-bit registers for floating point and simd
* [x] FPSR, FPCR
Lazy context-switch
* [x] lazy sentry fpsimd load/store
* [x] user fpsimd load/store
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