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Message-ID: <f978d5599b5b4b9e75685421e180500ad138ca3c.camel@mediatek.com>
Date: Thu, 31 Aug 2023 06:54:48 +0000
From: Yi-De Wu (吳一德) <Yi-De.Wu@...iatek.com>
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Subject: Re: [PATCH v5 04/12] virt: geniezone: Add vcpu support
On Fri, 2023-08-11 at 11:00 -0600, Rob Herring wrote:
>
> External email : Please do not click links or open attachments until
> you have verified the sender or the content.
> On Thu, Jul 27, 2023 at 03:59:57PM +0800, Yi-De Wu wrote:
> > From: "Yingshiuan Pan" <yingshiuan.pan@...iatek.com>
> >
> > VMM use this interface to create vcpu instance which is a fd, and
> this
> > fd will be for any vcpu operations, such as setting vcpu registers
> and
> > accepts the most important ioctl GZVM_VCPU_RUN which requests
> GenieZone
> > hypervisor to do context switch to execute VM's vcpu context.
> >
> > Signed-off-by: Yingshiuan Pan <yingshiuan.pan@...iatek.com>
> > Signed-off-by: Jerry Wang <ze-yu.wang@...iatek.com>
> > Signed-off-by: Liju Chen <liju-clr.chen@...iatek.com>
> > Signed-off-by: Yi-De Wu <yi-de.wu@...iatek.com>
> > ---
> > arch/arm64/geniezone/Makefile | 2 +-
> > arch/arm64/geniezone/gzvm_arch_common.h | 20 ++
> > arch/arm64/geniezone/vcpu.c | 88 +++++++++
> > arch/arm64/geniezone/vm.c | 11 ++
> > arch/arm64/include/uapi/asm/gzvm_arch.h | 30 +++
>
> I'm almost certain that the arm64 maintainers will reject putting
> this
> here. What is the purpose of the split with drivers/virt/? Do you
> plan
> to support another arch in the near future?
>
> Yes, there's KVM stuff in arch/arm64, but that is multi-arch.
>
hi Rob,
Thank you for the review, and the confirmation from Will was well
received.
To be more specific, are you suggesting to
- remove the `gzvm_arch.h`
from UAPI or
- remove all the code under `arch/arm64/geniezone` to
somewhere like `drivers/virt/geniezone/arch`, or
- both?
Regards,
> > drivers/virt/geniezone/Makefile | 3 +-
> > drivers/virt/geniezone/gzvm_vcpu.c | 250
> ++++++++++++++++++++++++
> > drivers/virt/geniezone/gzvm_vm.c | 5 +
> > include/linux/gzvm_drv.h | 21 ++
> > include/uapi/linux/gzvm.h | 136 +++++++++++++
> > 10 files changed, 564 insertions(+), 2 deletions(-)
> > create mode 100644 arch/arm64/geniezone/vcpu.c
> > create mode 100644 drivers/virt/geniezone/gzvm_vcpu.c
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