нед, 3. мај 2020. у 12:09 Huacai Chen <che...@lemote.com> је написао/ла: > > Add EVENTFD support for KVM/MIPS, which is needed by VHOST. Tested on > Loongson-3 platform. > > Signed-off-by: Huacai Chen <che...@lemote.com> > Co-developed-by: Jiaxun Yang <jiaxun.y...@flygoat.com> > ---
Perhaps this patch needs rebasing to land cleanly into master. But, in general, for what is worth: Reviewed-by: Aleksandar Markovic <aleksandar.qemu.de...@gmail.com> > arch/mips/kvm/Kconfig | 1 + > arch/mips/kvm/Makefile | 2 +- > arch/mips/kvm/trap_emul.c | 3 +++ > arch/mips/kvm/vz.c | 3 +++ > 4 files changed, 8 insertions(+), 1 deletion(-) > > diff --git a/arch/mips/kvm/Kconfig b/arch/mips/kvm/Kconfig > index b91d145..d697752 100644 > --- a/arch/mips/kvm/Kconfig > +++ b/arch/mips/kvm/Kconfig > @@ -22,6 +22,7 @@ config KVM > select EXPORT_UASM > select PREEMPT_NOTIFIERS > select KVM_GENERIC_DIRTYLOG_READ_PROTECT > + select HAVE_KVM_EVENTFD > select HAVE_KVM_VCPU_ASYNC_IOCTL > select KVM_MMIO > select MMU_NOTIFIER > diff --git a/arch/mips/kvm/Makefile b/arch/mips/kvm/Makefile > index 01affc1..0a3cef6 100644 > --- a/arch/mips/kvm/Makefile > +++ b/arch/mips/kvm/Makefile > @@ -2,7 +2,7 @@ > # Makefile for KVM support for MIPS > # > > -common-objs-y = $(addprefix ../../../virt/kvm/, kvm_main.o coalesced_mmio.o) > +common-objs-y = $(addprefix ../../../virt/kvm/, kvm_main.o coalesced_mmio.o > eventfd.o) > > EXTRA_CFLAGS += -Ivirt/kvm -Iarch/mips/kvm > > diff --git a/arch/mips/kvm/trap_emul.c b/arch/mips/kvm/trap_emul.c > index 5a11e83..f464506b 100644 > --- a/arch/mips/kvm/trap_emul.c > +++ b/arch/mips/kvm/trap_emul.c > @@ -529,6 +529,9 @@ static int kvm_trap_emul_check_extension(struct kvm *kvm, > long ext) > case KVM_CAP_MIPS_TE: > r = 1; > break; > + case KVM_CAP_IOEVENTFD: > + r = 1; > + break; > default: > r = 0; > break; > diff --git a/arch/mips/kvm/vz.c b/arch/mips/kvm/vz.c > index dde2088..17932ab 100644 > --- a/arch/mips/kvm/vz.c > +++ b/arch/mips/kvm/vz.c > @@ -2927,6 +2927,9 @@ static int kvm_vz_check_extension(struct kvm *kvm, long > ext) > r = 2; > break; > #endif > + case KVM_CAP_IOEVENTFD: > + r = 1; > + break; > default: > r = 0; > break; > -- > 2.7.0 >
