Atish Patra 8f5cb44b1b RISC-V: KVM: Support sstc extension ... Sstc extension allows the guest to program the vstimecmp CSR directly instead of making an SBI call to the hypervisor to program the next event. The timer interrupt is also directly injected to the guest by the hardware in this case. To maintain backward compatibility, the hypervisors also update the vstimecmp in an SBI set_time call if the hardware supports it. Thus, the older kernels in guest also take advantage of the sstc extension. Reviewed-by: Anup Patel <anup@brainfault.org> Signed-off-by: Atish Patra <atishp@rivosinc.com> Acked-by: Anup Patel <anup@brainfault.org> Link: https://lore.kernel.org/all/CAAhSdy2mb6wyqy0NAn9BcTWKMYEc0Z4zU3s3j7oNqBz6eDQ9sg@mail.gmail.com/ Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>		2022-08-12 07:43:57 -07:00
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asm	RISC-V: KVM: Support sstc extension	2022-08-12 07:43:57 -07:00
uapi/asm	RISC-V: KVM: Support sstc extension	2022-08-12 07:43:57 -07:00