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Re: [Qemu-devel] [PATCH v0 2/2] pc-dimm: Make pc_existing_dimms_capacity
From: |
Bharata B Rao |
Subject: |
Re: [Qemu-devel] [PATCH v0 2/2] pc-dimm: Make pc_existing_dimms_capacity global |
Date: |
Wed, 21 Jan 2015 14:28:18 +0530 |
User-agent: |
Mutt/1.5.23 (2014-03-12) |
On Tue, Jan 20, 2015 at 11:18:37AM +0100, Igor Mammedov wrote:
> On Mon, 12 Jan 2015 09:32:34 +0530
> Bharata B Rao <address@hidden> wrote:
>
> > Move pc_existing_dimms_capacity() to pc-dimm.c since it would be needed
> > by PowerPC memory hotplug code too.
> >
> > Signed-off-by: Bharata B Rao <address@hidden>
> > ---
> > hw/i386/pc.c | 24 ------------------------
> > hw/mem/pc-dimm.c | 25 +++++++++++++++++++++++++
> > include/hw/mem/pc-dimm.h | 1 +
> > 3 files changed, 26 insertions(+), 24 deletions(-)
> >
> > diff --git a/hw/i386/pc.c b/hw/i386/pc.c
> > index 125cf0a..2ec45a4 100644
> > --- a/hw/i386/pc.c
> > +++ b/hw/i386/pc.c
> > @@ -1552,30 +1552,6 @@ void qemu_register_pc_machine(QEMUMachine *m)
> > g_free(name);
> > }
> >
> > -static int pc_existing_dimms_capacity(Object *obj, void *opaque)
> > -{
> > - Error *local_err = NULL;
> > - uint64_t *size = opaque;
> > -
> > - if (object_dynamic_cast(obj, TYPE_PC_DIMM)) {
> > - DeviceState *dev = DEVICE(obj);
> > -
> > - if (dev->realized) {
> > - (*size) += object_property_get_int(obj, PC_DIMM_SIZE_PROP,
> > - &local_err);
> > - }
> > -
> > - if (local_err) {
> > - qerror_report_err(local_err);
> > - error_free(local_err);
> > - return 1;
> > - }
> > - }
> > -
> > - object_child_foreach(obj, pc_existing_dimms_capacity, opaque);
> > - return 0;
> > -}
> > -
> > static void pc_dimm_plug(HotplugHandler *hotplug_dev,
> > DeviceState *dev, Error **errp)
> > {
> > diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c
> > index d431834..f02ce6e 100644
> > --- a/hw/mem/pc-dimm.c
> > +++ b/hw/mem/pc-dimm.c
> > @@ -22,6 +22,31 @@
> > #include "qemu/config-file.h"
> > #include "qapi/visitor.h"
> > #include "qemu/range.h"
> > +#include "qapi/qmp/qerror.h"
> > +
> > +int pc_existing_dimms_capacity(Object *obj, void *opaque)
> > +{
> since you are making it API, could you pass Error **errp argument
> and deal with error in caller?
> Along with it you can make function return void.
I don't think that can be done because pc_existing_dimms_capacity() calls
itself recursively via object_child_foreach() and hence its signature
if fixed.
>
> > + Error *local_err = NULL;
> > + uint64_t *size = opaque;
> > +
> > + if (object_dynamic_cast(obj, TYPE_PC_DIMM)) {
> > + DeviceState *dev = DEVICE(obj);
> > +
> > + if (dev->realized) {
> > + (*size) += object_property_get_int(obj, PC_DIMM_SIZE_PROP,
> > + &local_err);
> > + }
> > +
> > + if (local_err) {
> > + qerror_report_err(local_err);
> > + error_free(local_err);
> > + return 1;
> > + }
> > + }
> > +
> > + object_child_foreach(obj, pc_existing_dimms_capacity, opaque);
> > + return 0;
> > +}
Re: [Qemu-devel] [PATCH v0 0/2] Fix pc DIMMs capacity calculation, Bharata B Rao, 2015/01/19