Messages in this thread | | | Date | Mon, 6 Feb 2023 13:04:45 +0100 | From | Andrew Jones <> | Subject | Re: [PATCH v5 13/14] RISC-V: KVM: Support firmware events |
| |
On Sat, Feb 04, 2023 at 05:15:14PM -0800, Atish Patra wrote: > SBI PMU extension defines a set of firmware events which can provide > useful information to guests about the number of SBI calls. As > hypervisor implements the SBI PMU extension, these firmware events > correspond to ecall invocations between VS->HS mode. All other firmware > events will always report zero if monitored as KVM doesn't implement them. > > This patch adds all the infrastructure required to support firmware > events. > > Reviewed-by: Anup Patel <anup@brainfault.org> > Signed-off-by: Atish Patra <atishp@rivosinc.com> > --- > arch/riscv/include/asm/kvm_vcpu_pmu.h | 17 ++++ > arch/riscv/kvm/vcpu_pmu.c | 141 ++++++++++++++++++++------ > 2 files changed, 125 insertions(+), 33 deletions(-) >
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Thanks, drew
| |