On Fri, 2023-04-14 at 10:51 +0200, Krzysztof Kozlowski wrote: > External email : Please do not click links or open attachments until > you have verified the sender or the content. > > > On 14/04/2023 10:43, Yi-De Wu (吳一德) wrote: > > On Thu, 2023-04-13 at 19:08 +0200, Matthias Brugger wrote: > > > External email : Please do not click links or open attachments > > > until > > > you have verified the sender or the content. > > > > > > > > > On 13/04/2023 14:55, Krzysztof Kozlowski wrote: > > > > On 13/04/2023 11:07, Yi-De Wu wrote: > > > > > From: "Yingshiuan Pan" <yingshiuan.pan@xxxxxxxxxxxx> > > > > > > > > > > GenieZone is MediaTek proprietary hypervisor solution, and it > > > > > is > > > > > running > > > > > in EL2 stand alone as a type-I hypervisor. This patch exports > > > > > a > > > > > set of > > > > > ioctl interfaces for userspace VMM (e.g., crosvm) to operate > > > > > guest VMs > > > > > lifecycle (creation, running, and destroy) on GenieZone. > > > > > > > > > > Signed-off-by: Yingshiuan Pan <yingshiuan.pan@xxxxxxxxxxxx> > > > > > Signed-off-by: Yi-De Wu <yi-de.wu@xxxxxxxxxxxx> > > > > > --- > > > > > arch/arm64/include/uapi/asm/gzvm_arch.h | 79 ++++ > > > > > drivers/soc/mediatek/Kconfig | 2 + > > > > > drivers/soc/mediatek/Makefile | 1 + > > > > > drivers/soc/mediatek/virt/geniezone/Kconfig | 17 + > > > > > > > > Hypervisor drivers do not go to soc. Stop shoving there > > > > everything > > > > from > > > > your downstream. Find appropriate directory, e.g. maybe > > > > drivers/virt. > > > > > > Acked, what is the reason you want to add this to drivers/soc > > > instead > > > of > > > drivers/virt? > > > > > > Regards, > > > Matthias > > > > > > > Noted. We would take your advice and move it from > > drivers/soc/mediatek/virt to /drivers/virt on next version. > > > > The reason we put it under our soc/ is that the drver is highly > > propietary for mediatek's product and for aarch64 only. Maybe it's > > not > > general enough to put in under /drivers/virt. > > If virt folks reject the driver, because it is highly proprietary, > then > it is not suitable for soc/mediatek either. > > Your argument is actually not helping you. It's rather a proof that > this > driver might not be suitable for Linux kernel at all. > > > > > https://urldefense.com/v3/__https://android-review.googlesource.com/c/kernel/common/*/2447547/1..2/drivers/virt/geniezone/gzvm.h*b91__;KyM!!CTRNKA9wMg0ARbw!jJ0FRv_s6iLuc1rp4RPApkktGpIarf5qAVE0_Dq6X_KCq_283Kh5DKW6jlMyDfaHNFr1DglKyRKq1JcE4XTdQjw9XGz_4Q$ > > I don't see there anything suggesting moving to soc/mediatek. Comment > from Trilok (+Cc) suggests that your code is simply not portable. > Write > code which is portable and properly organized. > > Best regards, > Krzysztof > We've already moved most of all works from drivers/soc/mediatek/virt/geniezone to drivers/virt/geniezone and arch/arm64/geniezone for general and architecture dependent implementations respectively. And hopefully the code could be reviewd out there.