| Message ID | 20201218103400.689660-2-groug@kaod.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | spapr: Fix visibility and traversal of DR connectors | expand |
On 12/18/20 7:33 AM, Greg Kurz wrote: > Non-transient DRCs are either in the empty or the ready state, > which means spapr_drc_reset() doesn't change their state. It > is thus not needed to do any checking. Call spapr_drc_reset() > unconditionally and squash spapr_drc_transient() into its > only user, spapr_drc_needed(). > > Signed-off-by: Greg Kurz <groug@kaod.org> > --- Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com> > include/hw/ppc/spapr_drc.h | 3 --- > hw/ppc/spapr_drc.c | 8 ++------ > hw/ppc/spapr_hcall.c | 7 ++++--- > 3 files changed, 6 insertions(+), 12 deletions(-) > > diff --git a/include/hw/ppc/spapr_drc.h b/include/hw/ppc/spapr_drc.h > index def3593adc8b..cff5e707d0d9 100644 > --- a/include/hw/ppc/spapr_drc.h > +++ b/include/hw/ppc/spapr_drc.h > @@ -244,9 +244,6 @@ int spapr_dt_drc(void *fdt, int offset, Object *owner, uint32_t drc_type_mask); > void spapr_drc_attach(SpaprDrc *drc, DeviceState *d); > void spapr_drc_detach(SpaprDrc *drc); > > -/* Returns true if a hot plug/unplug request is pending */ > -bool spapr_drc_transient(SpaprDrc *drc); > - > static inline bool spapr_drc_unplug_requested(SpaprDrc *drc) > { > return drc->unplug_requested; > diff --git a/hw/ppc/spapr_drc.c b/hw/ppc/spapr_drc.c > index fc7e321fcdf6..8d62f55066b6 100644 > --- a/hw/ppc/spapr_drc.c > +++ b/hw/ppc/spapr_drc.c > @@ -462,8 +462,9 @@ static const VMStateDescription vmstate_spapr_drc_unplug_requested = { > } > }; > > -bool spapr_drc_transient(SpaprDrc *drc) > +static bool spapr_drc_needed(void *opaque) > { > + SpaprDrc *drc = opaque; > SpaprDrcClass *drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc); > > /* > @@ -483,11 +484,6 @@ bool spapr_drc_transient(SpaprDrc *drc) > spapr_drc_unplug_requested(drc); > } > > -static bool spapr_drc_needed(void *opaque) > -{ > - return spapr_drc_transient(opaque); > -} > - > static const VMStateDescription vmstate_spapr_drc = { > .name = "spapr_drc", > .version_id = 1, > diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c > index c0ea0bd5794b..4e9d50c254f0 100644 > --- a/hw/ppc/spapr_hcall.c > +++ b/hw/ppc/spapr_hcall.c > @@ -1650,9 +1650,10 @@ static void spapr_handle_transient_dev_before_cas(SpaprMachineState *spapr) > prop->name, > &error_abort)); > > - if (spapr_drc_transient(drc)) { > - spapr_drc_reset(drc); > - } > + /* > + * This will complete any pending plug/unplug requests. > + */ > + spapr_drc_reset(drc); > } > > spapr_clear_pending_hotplug_events(spapr); >
On Fri, Dec 18, 2020 at 11:33:55AM +0100, Greg Kurz wrote: > Non-transient DRCs are either in the empty or the ready state, > which means spapr_drc_reset() doesn't change their state. It > is thus not needed to do any checking. Call spapr_drc_reset() > unconditionally and squash spapr_drc_transient() into its > only user, spapr_drc_needed(). > > Signed-off-by: Greg Kurz <groug@kaod.org> Applied to ppc-fof-6.0, thanks. > --- > include/hw/ppc/spapr_drc.h | 3 --- > hw/ppc/spapr_drc.c | 8 ++------ > hw/ppc/spapr_hcall.c | 7 ++++--- > 3 files changed, 6 insertions(+), 12 deletions(-) > > diff --git a/include/hw/ppc/spapr_drc.h b/include/hw/ppc/spapr_drc.h > index def3593adc8b..cff5e707d0d9 100644 > --- a/include/hw/ppc/spapr_drc.h > +++ b/include/hw/ppc/spapr_drc.h > @@ -244,9 +244,6 @@ int spapr_dt_drc(void *fdt, int offset, Object *owner, uint32_t drc_type_mask); > void spapr_drc_attach(SpaprDrc *drc, DeviceState *d); > void spapr_drc_detach(SpaprDrc *drc); > > -/* Returns true if a hot plug/unplug request is pending */ > -bool spapr_drc_transient(SpaprDrc *drc); > - > static inline bool spapr_drc_unplug_requested(SpaprDrc *drc) > { > return drc->unplug_requested; > diff --git a/hw/ppc/spapr_drc.c b/hw/ppc/spapr_drc.c > index fc7e321fcdf6..8d62f55066b6 100644 > --- a/hw/ppc/spapr_drc.c > +++ b/hw/ppc/spapr_drc.c > @@ -462,8 +462,9 @@ static const VMStateDescription vmstate_spapr_drc_unplug_requested = { > } > }; > > -bool spapr_drc_transient(SpaprDrc *drc) > +static bool spapr_drc_needed(void *opaque) > { > + SpaprDrc *drc = opaque; > SpaprDrcClass *drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc); > > /* > @@ -483,11 +484,6 @@ bool spapr_drc_transient(SpaprDrc *drc) > spapr_drc_unplug_requested(drc); > } > > -static bool spapr_drc_needed(void *opaque) > -{ > - return spapr_drc_transient(opaque); > -} > - > static const VMStateDescription vmstate_spapr_drc = { > .name = "spapr_drc", > .version_id = 1, > diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c > index c0ea0bd5794b..4e9d50c254f0 100644 > --- a/hw/ppc/spapr_hcall.c > +++ b/hw/ppc/spapr_hcall.c > @@ -1650,9 +1650,10 @@ static void spapr_handle_transient_dev_before_cas(SpaprMachineState *spapr) > prop->name, > &error_abort)); > > - if (spapr_drc_transient(drc)) { > - spapr_drc_reset(drc); > - } > + /* > + * This will complete any pending plug/unplug requests. > + */ > + spapr_drc_reset(drc); > } > > spapr_clear_pending_hotplug_events(spapr);
diff --git a/include/hw/ppc/spapr_drc.h b/include/hw/ppc/spapr_drc.h index def3593adc8b..cff5e707d0d9 100644 --- a/include/hw/ppc/spapr_drc.h +++ b/include/hw/ppc/spapr_drc.h @@ -244,9 +244,6 @@ int spapr_dt_drc(void *fdt, int offset, Object *owner, uint32_t drc_type_mask); void spapr_drc_attach(SpaprDrc *drc, DeviceState *d); void spapr_drc_detach(SpaprDrc *drc); -/* Returns true if a hot plug/unplug request is pending */ -bool spapr_drc_transient(SpaprDrc *drc); - static inline bool spapr_drc_unplug_requested(SpaprDrc *drc) { return drc->unplug_requested; diff --git a/hw/ppc/spapr_drc.c b/hw/ppc/spapr_drc.c index fc7e321fcdf6..8d62f55066b6 100644 --- a/hw/ppc/spapr_drc.c +++ b/hw/ppc/spapr_drc.c @@ -462,8 +462,9 @@ static const VMStateDescription vmstate_spapr_drc_unplug_requested = { } }; -bool spapr_drc_transient(SpaprDrc *drc) +static bool spapr_drc_needed(void *opaque) { + SpaprDrc *drc = opaque; SpaprDrcClass *drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc); /* @@ -483,11 +484,6 @@ bool spapr_drc_transient(SpaprDrc *drc) spapr_drc_unplug_requested(drc); } -static bool spapr_drc_needed(void *opaque) -{ - return spapr_drc_transient(opaque); -} - static const VMStateDescription vmstate_spapr_drc = { .name = "spapr_drc", .version_id = 1, diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c index c0ea0bd5794b..4e9d50c254f0 100644 --- a/hw/ppc/spapr_hcall.c +++ b/hw/ppc/spapr_hcall.c @@ -1650,9 +1650,10 @@ static void spapr_handle_transient_dev_before_cas(SpaprMachineState *spapr) prop->name, &error_abort)); - if (spapr_drc_transient(drc)) { - spapr_drc_reset(drc); - } + /* + * This will complete any pending plug/unplug requests. + */ + spapr_drc_reset(drc); } spapr_clear_pending_hotplug_events(spapr);
Non-transient DRCs are either in the empty or the ready state, which means spapr_drc_reset() doesn't change their state. It is thus not needed to do any checking. Call spapr_drc_reset() unconditionally and squash spapr_drc_transient() into its only user, spapr_drc_needed(). Signed-off-by: Greg Kurz <groug@kaod.org> --- include/hw/ppc/spapr_drc.h | 3 --- hw/ppc/spapr_drc.c | 8 ++------ hw/ppc/spapr_hcall.c | 7 ++++--- 3 files changed, 6 insertions(+), 12 deletions(-)