Sean Christopherson <seanjc@xxxxxxxxxx> writes: > On Thu, Jun 08, 2023, Nicholas Piggin wrote: >> Michael is merging KVM PPC patches via the powerpc tree and KVM topic >> branches. He doesn't necessarily have time to be across all of KVM so >> is reluctant to call himself maintainer, but for the mechanics of how >> patches flow upstream, it is maintained and does make sense to have >> some contact people in MAINTAINERS. >> >> So add Michael Ellerman as KVM PPC maintainer and myself as reviewer. >> Split out the subarchs that don't get so much attention. >> >> Signed-off-by: Nicholas Piggin <npiggin@xxxxxxxxx> >> --- > > Thanks for documenting the reality of things, much appreciated! > > Acked-by: Sean Christopherson <seanjc@xxxxxxxxxx> > >> MAINTAINERS | 6 ++++++ >> 1 file changed, 6 insertions(+) >> >> diff --git a/MAINTAINERS b/MAINTAINERS >> index 0dab9737ec16..44417acd2936 100644 >> --- a/MAINTAINERS >> +++ b/MAINTAINERS >> @@ -11379,7 +11379,13 @@ F: arch/mips/include/uapi/asm/kvm* >> F: arch/mips/kvm/ >> >> KERNEL VIRTUAL MACHINE FOR POWERPC (KVM/powerpc) >> +M: Michael Ellerman <mpe@xxxxxxxxxxxxxx> >> +R: Nicholas Piggin <npiggin@xxxxxxxxx> >> L: linuxppc-dev@xxxxxxxxxxxxxxxx >> +L: kvm@xxxxxxxxxxxxxxx >> +S: Maintained (Book3S 64-bit HV) >> +S: Odd fixes (Book3S 64-bit PR) >> +S: Orphan (Book3E and 32-bit) > > Do you think there's any chance of dropping support for everything except Book3S > 64-bit HV at some point soonish? Nick proposed disabling BookE KVM, which prompted some users to report they are still actively using it: https://lore.kernel.org/all/20221128043623.1745708-1-npiggin@xxxxxxxxx/ There are also still some KVM PR users. In total I'd guess it's only some small 100s of users, but we don't really know. > There haven't been many generic KVM changes that touch PPC, but in my > experience when such series do come along, the many flavors and layers > of PPC incur quite a bit of development and testing cost, and have a > high chance of being broken compared to other architectures. Ack. cheers