diff options
| author | Quan Zhou <zhouquan@iscas.ac.cn> | 2025-06-13 14:29:57 +0300 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2025-07-28 19:58:22 +0300 |
| commit | f55ffaf89636877c269ca28399b30d48898c62f3 (patch) | |
| tree | 9ca21e08ae79b04fff4242b4c3d532f59f1a96c3 /drivers/fpga/zynq-fpga.c | |
| parent | 7826c8f37220daabf90c09fcd9a835d6763f1372 (diff) | |
| download | linux-f55ffaf89636877c269ca28399b30d48898c62f3.tar.xz | |
RISC-V: KVM: Enable ring-based dirty memory tracking
Enable ring-based dirty memory tracking on riscv:
- Enable CONFIG_HAVE_KVM_DIRTY_RING_ACQ_REL as riscv is weakly
ordered.
- Set KVM_DIRTY_LOG_PAGE_OFFSET for the ring buffer's physical page
offset.
- Add a check to kvm_vcpu_kvm_riscv_check_vcpu_requests for checking
whether the dirty ring is soft full.
To handle vCPU requests that cause exits to userspace, modified the
`kvm_riscv_check_vcpu_requests` to return a value (currently only
returns 0 or 1).
Signed-off-by: Quan Zhou <zhouquan@iscas.ac.cn>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20e116efb1f7aff211dd8e3cf8990c5521ed5f34.1749810735.git.zhouquan@iscas.ac.cn
Signed-off-by: Anup Patel <anup@brainfault.org>
Diffstat (limited to 'drivers/fpga/zynq-fpga.c')
0 files changed, 0 insertions, 0 deletions