Vincent Chen 0f4b825797

riscv: KVM: Add vector lazy save/restore support ...

This patch adds vector context save/restore for guest VCPUs. To reduce the
impact on KVM performance, the implementation imitates the FP context
switch mechanism to lazily store and restore the vector context only when
the kernel enters/exits the in-kernel run loop and not during the KVM
world switch.

Signed-off-by: Vincent Chen <vincent.chen@sifive.com>
Signed-off-by: Greentime Hu <greentime.hu@sifive.com>
Signed-off-by: Andy Chiu <andy.chiu@sifive.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Acked-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20230605110724.21391-20-andy.chiu@sifive.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

2023-06-08 07:16:51 -07:00

..

aia.c

RISC-V: KVM: Virtualize per-HART AIA CSRs

2023-04-21 18:10:27 +05:30

Kconfig

KVM/riscv changes for 6.4

2023-05-05 06:11:48 -04:00

main.c

RISC-V Patches for the 6.4 Merge Window, Part 2

2023-05-05 12:23:33 -07:00

Makefile

riscv: KVM: Add vector lazy save/restore support

2023-06-08 07:16:51 -07:00

mmu.c

RISC-V: KVM: Drop the _MASK suffix from hgatp.VMID mask defines

2023-04-21 17:45:44 +05:30

tlb.c

ARM:

2023-02-25 11:30:21 -08:00

vcpu_exit.c

RISC-V: KVM: Redirect illegal instruction traps to guest

2023-02-07 20:35:28 +05:30

vcpu_fp.c

RISC-V: KVM: Improve ISA extension by using a bitmap

2022-07-29 17:14:11 +05:30

vcpu_insn.c

RISC-V: KVM: Initial skeletal support for AIA

2023-04-21 17:45:48 +05:30

vcpu_pmu.c

RISC-V: KVM: Support firmware events

2023-02-07 20:36:06 +05:30

vcpu_sbi_base.c

RISC-V: KVM: Add ONE_REG interface to enable/disable SBI extensions

2023-04-21 17:38:44 +05:30

vcpu_sbi_hsm.c

RISC-V: KVM: Modify SBI extension handler to return SBI error code

2023-02-07 20:35:45 +05:30

vcpu_sbi_pmu.c

RISC-V: KVM: Add SBI PMU extension support

2023-02-07 20:35:53 +05:30

vcpu_sbi_replace.c

RISC-V: KVM: Increment firmware pmu events

2023-02-07 20:36:08 +05:30

vcpu_sbi_v01.c

RISC-V: KVM: Modify SBI extension handler to return SBI error code

2023-02-07 20:35:45 +05:30

vcpu_sbi.c

RISC-V: KVM: Add ONE_REG interface to enable/disable SBI extensions

2023-04-21 17:38:44 +05:30

vcpu_switch.S

RISC-V: KVM: Refine __kvm_riscv_switch_to() implementation

2022-03-11 19:02:22 +05:30

vcpu_timer.c

riscv/kvm: Fix VM hang in case of timer delta being zero.

2023-03-17 13:32:54 +05:30

vcpu_vector.c

riscv: KVM: Add vector lazy save/restore support

2023-06-08 07:16:51 -07:00

vcpu.c

riscv: KVM: Add vector lazy save/restore support

2023-06-08 07:16:51 -07:00

vm.c

KVM/riscv changes for 6.4

2023-05-05 06:11:48 -04:00

vmid.c

RISC-V: KVM: Drop the _MASK suffix from hgatp.VMID mask defines

2023-04-21 17:45:44 +05:30