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Implement an optimized KVM world-switch using SBI sync SRET call when SBI nested acceleration extension is available. This improves KVM world-switch when KVM RISC-V is running as a Guest under some other hypervisor. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Reviewed-by: Atish Patra <atishp@rivosinc.com> Link: https://lore.kernel.org/r/20241020194734.58686-12-apatel@ventanamicro.com Signed-off-by: Anup Patel <anup@brainfault.org> |
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