> -----Original Message----- > From: Eduardo Habkost [mailto:ehabkost@xxxxxxxxxx] > Sent: Friday, May 11, 2018 2:22 PM > To: Moger, Babu <Babu.Moger@xxxxxxx> > Cc: mst@xxxxxxxxxx; marcel.apfelbaum@xxxxxxxxx; pbonzini@xxxxxxxxxx; > rth@xxxxxxxxxxx; mtosatti@xxxxxxxxxx; qemu-devel@xxxxxxxxxx; > kvm@xxxxxxxxxxxxxxx; geoff@xxxxxxxxxxxxxxx; kash@xxxxxxxxxxxxxx > Subject: Re: [PATCH v8 3/8] i386: Add new property to control cache info > > On Thu, May 10, 2018 at 03:41:43PM -0500, Babu Moger wrote: > > The property legacy-cache will be used to control the cache information. > > If user passes "-cpu legacy-cache" then older information will > > be displayed even if the hardware supports new information. Otherwise > > use the statically loaded cache definitions if available. > > > > Signed-off-by: Babu Moger <babu.moger@xxxxxxx> > > Tested-by: Geoffrey McRae <geoff@xxxxxxxxxxxxxxx> > > --- > > include/hw/i386/pc.h | 8 ++++ > > target/i386/cpu.c | 97 ++++++++++++++++++++++++++++++++----------- > - > > target/i386/cpu.h | 5 +++ > > 3 files changed, 84 insertions(+), 26 deletions(-) > > > > diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h > > index 2e834e6ded..df15deefca 100644 > > --- a/include/hw/i386/pc.h > > +++ b/include/hw/i386/pc.h > > @@ -304,6 +304,14 @@ int e820_add_entry(uint64_t, uint64_t, uint32_t); > > int e820_get_num_entries(void); > > bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *); > > > > +#define PC_COMPAT_2_12 \ > > + HW_COMPAT_2_12 \ > > + {\ > > + .driver = TYPE_X86_CPU,\ > > + .property = "legacy-cache",\ > > + .value = "on",\ > > + }, > > This isn't enough if the pc-*-2.12 machine-type isn't using the > macro. > > Before we do this, we need a commit similar to commit > df47ce8af4a5, but adding pc-*-2.13 machine-types. Ok. Sure. I think I got it. Will add pc-*-2.13 machine-types in v9 series. > > The rest of the patch looks good to me, but I will suggest a > clean up (that can be submitted a separate patch later, or > included in v9) in a separate reply. Either way is works for me. If it is simple enough we can add here. > > -- > Eduardo