| Message ID | 20230926055235.9164-1-anisinha@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v2] hw/i386: changes towards enabling -Wshadow=local | expand |
On Tue, Sep 26, 2023 at 11:22:35AM +0530, Ani Sinha wrote: > Code changes that addresses all compiler complaints coming from enabling > -Wshadow flags. Enabling -Wshadow catches cases of local variables shadowing > other local variables or parameters. These makes the code confusing and/or adds These make > bugs that are difficult to catch. > > CC: Markus Armbruster <armbru@redhat.com> > CC: Philippe Mathieu-Daude <philmd@linaro.org> > CC: mst@redhat.com > Message-Id: <87r0mqlf9x.fsf@pond.sub.org> > Signed-off-by: Ani Sinha <anisinha@redhat.com> > Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> > Reviewed-by: Peter Xu <peterx@redhat.com> > --- chunks seem unrelated. why not split them up? > hw/i386/acpi-microvm.c | 12 ++++++------ > hw/i386/intel_iommu.c | 8 ++++---- > hw/i386/pc.c | 1 - > hw/i386/x86.c | 2 -- > 4 files changed, 10 insertions(+), 13 deletions(-) > > changelog: > v2: kept Peter's changes from https://lore.kernel.org/r/20230922160410.138786-1-peterx@redhat.com > and removed mine. > > diff --git a/hw/i386/acpi-microvm.c b/hw/i386/acpi-microvm.c > index a075360d85..6e4f8061eb 100644 > --- a/hw/i386/acpi-microvm.c > +++ b/hw/i386/acpi-microvm.c > @@ -78,18 +78,18 @@ static void acpi_dsdt_add_virtio(Aml *scope, > hwaddr base = VIRTIO_MMIO_BASE + index * 512; > hwaddr size = 512; > > - Aml *dev = aml_device("VR%02u", (unsigned)index); > - aml_append(dev, aml_name_decl("_HID", aml_string("LNRO0005"))); > - aml_append(dev, aml_name_decl("_UID", aml_int(index))); > - aml_append(dev, aml_name_decl("_CCA", aml_int(1))); > + Aml *adev = aml_device("VR%02u", (unsigned)index); > + aml_append(adev, aml_name_decl("_HID", aml_string("LNRO0005"))); > + aml_append(adev, aml_name_decl("_UID", aml_int(index))); > + aml_append(adev, aml_name_decl("_CCA", aml_int(1))); > > Aml *crs = aml_resource_template(); > aml_append(crs, aml_memory32_fixed(base, size, AML_READ_WRITE)); > aml_append(crs, > aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH, > AML_EXCLUSIVE, &irq, 1)); > - aml_append(dev, aml_name_decl("_CRS", crs)); > - aml_append(scope, dev); > + aml_append(adev, aml_name_decl("_CRS", crs)); > + aml_append(scope, adev); > } > } > } I would prefer to just drop the devicestate dev pointer, use kid->child inside the macro. > diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c > index c0ce896668..2c832ab68b 100644 > --- a/hw/i386/intel_iommu.c > +++ b/hw/i386/intel_iommu.c > @@ -3744,7 +3744,7 @@ VTDAddressSpace *vtd_find_add_as(IntelIOMMUState *s, PCIBus *bus, > /* Unmap the whole range in the notifier's scope. */ > static void vtd_address_space_unmap(VTDAddressSpace *as, IOMMUNotifier *n) > { > - hwaddr size, remain; > + hwaddr total, remain; > hwaddr start = n->start; > hwaddr end = n->end; > IntelIOMMUState *s = as->iommu_state; > @@ -3765,7 +3765,7 @@ static void vtd_address_space_unmap(VTDAddressSpace *as, IOMMUNotifier *n) > } > > assert(start <= end); > - size = remain = end - start + 1; > + total = remain = end - start + 1; > > while (remain >= VTD_PAGE_SIZE) { > IOMMUTLBEvent event; > @@ -3793,10 +3793,10 @@ static void vtd_address_space_unmap(VTDAddressSpace *as, IOMMUNotifier *n) > trace_vtd_as_unmap_whole(pci_bus_num(as->bus), > VTD_PCI_SLOT(as->devfn), > VTD_PCI_FUNC(as->devfn), > - n->start, size); > + n->start, total); > > map.iova = n->start; > - map.size = size - 1; /* Inclusive */ > + map.size = total - 1; /* Inclusive */ > iova_tree_remove(as->iova_tree, map); > } > arguably an improvement > diff --git a/hw/i386/pc.c b/hw/i386/pc.c > index 3db0743f31..e7a233e886 100644 > --- a/hw/i386/pc.c > +++ b/hw/i386/pc.c > @@ -1116,7 +1116,6 @@ void pc_memory_init(PCMachineState *pcms, > > if (machine->device_memory) { > uint64_t *val = g_malloc(sizeof(*val)); > - PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); > uint64_t res_mem_end = machine->device_memory->base; > > if (!pcmc->broken_reserved_end) { > diff --git a/hw/i386/x86.c b/hw/i386/x86.c > index f034df8bf6..b3d054889b 100644 > --- a/hw/i386/x86.c > +++ b/hw/i386/x86.c > @@ -365,8 +365,6 @@ void x86_cpu_pre_plug(HotplugHandler *hotplug_dev, > > cpu_slot = x86_find_cpu_slot(MACHINE(x86ms), cpu->apic_id, &idx); > if (!cpu_slot) { > - MachineState *ms = MACHINE(x86ms); > - > x86_topo_ids_from_apicid(cpu->apic_id, &topo_info, &topo_ids); > error_setg(errp, > "Invalid CPU [socket: %u, die: %u, core: %u, thread: %u] with" killing dead code, nice > -- > 2.39.3
> On 27-Sep-2023, at 8:55 PM, Michael S. Tsirkin <mst@redhat.com> wrote: > > On Tue, Sep 26, 2023 at 11:22:35AM +0530, Ani Sinha wrote: >> Code changes that addresses all compiler complaints coming from enabling >> -Wshadow flags. Enabling -Wshadow catches cases of local variables shadowing >> other local variables or parameters. These makes the code confusing and/or adds > > These make > >> bugs that are difficult to catch. >> >> CC: Markus Armbruster <armbru@redhat.com> >> CC: Philippe Mathieu-Daude <philmd@linaro.org> >> CC: mst@redhat.com >> Message-Id: <87r0mqlf9x.fsf@pond.sub.org> >> Signed-off-by: Ani Sinha <anisinha@redhat.com> >> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> >> Reviewed-by: Peter Xu <peterx@redhat.com> >> --- > > > chunks seem unrelated. why not split them up? ? No idea what you talking about. Here and ... > >> hw/i386/acpi-microvm.c | 12 ++++++------ >> hw/i386/intel_iommu.c | 8 ++++---- >> hw/i386/pc.c | 1 - >> hw/i386/x86.c | 2 -- >> 4 files changed, 10 insertions(+), 13 deletions(-) >> >> changelog: >> v2: kept Peter's changes from https://lore.kernel.org/r/20230922160410.138786-1-peterx@redhat.com >> and removed mine. >> >> diff --git a/hw/i386/acpi-microvm.c b/hw/i386/acpi-microvm.c >> index a075360d85..6e4f8061eb 100644 >> --- a/hw/i386/acpi-microvm.c >> +++ b/hw/i386/acpi-microvm.c >> @@ -78,18 +78,18 @@ static void acpi_dsdt_add_virtio(Aml *scope, >> hwaddr base = VIRTIO_MMIO_BASE + index * 512; >> hwaddr size = 512; >> >> - Aml *dev = aml_device("VR%02u", (unsigned)index); >> - aml_append(dev, aml_name_decl("_HID", aml_string("LNRO0005"))); >> - aml_append(dev, aml_name_decl("_UID", aml_int(index))); >> - aml_append(dev, aml_name_decl("_CCA", aml_int(1))); >> + Aml *adev = aml_device("VR%02u", (unsigned)index); >> + aml_append(adev, aml_name_decl("_HID", aml_string("LNRO0005"))); >> + aml_append(adev, aml_name_decl("_UID", aml_int(index))); >> + aml_append(adev, aml_name_decl("_CCA", aml_int(1))); >> >> Aml *crs = aml_resource_template(); >> aml_append(crs, aml_memory32_fixed(base, size, AML_READ_WRITE)); >> aml_append(crs, >> aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH, >> AML_EXCLUSIVE, &irq, 1)); >> - aml_append(dev, aml_name_decl("_CRS", crs)); >> - aml_append(scope, dev); >> + aml_append(adev, aml_name_decl("_CRS", crs)); >> + aml_append(scope, adev); >> } >> } >> } > > I would prefer to just drop the devicestate dev pointer, use kid->child inside the > macro. Here … > >> diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c >> index c0ce896668..2c832ab68b 100644 >> --- a/hw/i386/intel_iommu.c >> +++ b/hw/i386/intel_iommu.c >> @@ -3744,7 +3744,7 @@ VTDAddressSpace *vtd_find_add_as(IntelIOMMUState *s, PCIBus *bus, >> /* Unmap the whole range in the notifier's scope. */ >> static void vtd_address_space_unmap(VTDAddressSpace *as, IOMMUNotifier *n) >> { >> - hwaddr size, remain; >> + hwaddr total, remain; >> hwaddr start = n->start; >> hwaddr end = n->end; >> IntelIOMMUState *s = as->iommu_state; >> @@ -3765,7 +3765,7 @@ static void vtd_address_space_unmap(VTDAddressSpace *as, IOMMUNotifier *n) >> } >> >> assert(start <= end); >> - size = remain = end - start + 1; >> + total = remain = end - start + 1; >> >> while (remain >= VTD_PAGE_SIZE) { >> IOMMUTLBEvent event; >> @@ -3793,10 +3793,10 @@ static void vtd_address_space_unmap(VTDAddressSpace *as, IOMMUNotifier *n) >> trace_vtd_as_unmap_whole(pci_bus_num(as->bus), >> VTD_PCI_SLOT(as->devfn), >> VTD_PCI_FUNC(as->devfn), >> - n->start, size); >> + n->start, total); >> >> map.iova = n->start; >> - map.size = size - 1; /* Inclusive */ >> + map.size = total - 1; /* Inclusive */ >> iova_tree_remove(as->iova_tree, map); >> } >> > > > arguably an improvement > > >> diff --git a/hw/i386/pc.c b/hw/i386/pc.c >> index 3db0743f31..e7a233e886 100644 >> --- a/hw/i386/pc.c >> +++ b/hw/i386/pc.c >> @@ -1116,7 +1116,6 @@ void pc_memory_init(PCMachineState *pcms, >> >> if (machine->device_memory) { >> uint64_t *val = g_malloc(sizeof(*val)); >> - PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); >> uint64_t res_mem_end = machine->device_memory->base; >> >> if (!pcmc->broken_reserved_end) { >> diff --git a/hw/i386/x86.c b/hw/i386/x86.c >> index f034df8bf6..b3d054889b 100644 >> --- a/hw/i386/x86.c >> +++ b/hw/i386/x86.c >> @@ -365,8 +365,6 @@ void x86_cpu_pre_plug(HotplugHandler *hotplug_dev, >> >> cpu_slot = x86_find_cpu_slot(MACHINE(x86ms), cpu->apic_id, &idx); >> if (!cpu_slot) { >> - MachineState *ms = MACHINE(x86ms); >> - >> x86_topo_ids_from_apicid(cpu->apic_id, &topo_info, &topo_ids); >> error_setg(errp, >> "Invalid CPU [socket: %u, die: %u, core: %u, thread: %u] with" > > > killing dead code, nice > >> -- >> 2.39.3
On Thu, Sep 28, 2023 at 09:14:07AM +0530, Ani Sinha wrote: > > > > On 27-Sep-2023, at 8:55 PM, Michael S. Tsirkin <mst@redhat.com> wrote: > > > > On Tue, Sep 26, 2023 at 11:22:35AM +0530, Ani Sinha wrote: > >> Code changes that addresses all compiler complaints coming from enabling > >> -Wshadow flags. Enabling -Wshadow catches cases of local variables shadowing > >> other local variables or parameters. These makes the code confusing and/or adds > > > > These make > > > >> bugs that are difficult to catch. > >> > >> CC: Markus Armbruster <armbru@redhat.com> > >> CC: Philippe Mathieu-Daude <philmd@linaro.org> > >> CC: mst@redhat.com > >> Message-Id: <87r0mqlf9x.fsf@pond.sub.org> > >> Signed-off-by: Ani Sinha <anisinha@redhat.com> > >> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> > >> Reviewed-by: Peter Xu <peterx@redhat.com> > >> --- > > > > > > chunks seem unrelated. why not split them up? > > ? No idea what you talking about. Here and ... you patch 4 files in a single patch. intel_iommu is part of vtd emulation and has separate maintainers. Slightly better to split up to have each maintainer get just the patches he cares about. Not critical, for sure. > > > >> hw/i386/acpi-microvm.c | 12 ++++++------ > >> hw/i386/intel_iommu.c | 8 ++++---- > >> hw/i386/pc.c | 1 - > >> hw/i386/x86.c | 2 -- > >> 4 files changed, 10 insertions(+), 13 deletions(-) > >> > >> changelog: > >> v2: kept Peter's changes from https://lore.kernel.org/r/20230922160410.138786-1-peterx@redhat.com > >> and removed mine. > >> > >> diff --git a/hw/i386/acpi-microvm.c b/hw/i386/acpi-microvm.c > >> index a075360d85..6e4f8061eb 100644 > >> --- a/hw/i386/acpi-microvm.c > >> +++ b/hw/i386/acpi-microvm.c > >> @@ -78,18 +78,18 @@ static void acpi_dsdt_add_virtio(Aml *scope, > >> hwaddr base = VIRTIO_MMIO_BASE + index * 512; > >> hwaddr size = 512; > >> > >> - Aml *dev = aml_device("VR%02u", (unsigned)index); > >> - aml_append(dev, aml_name_decl("_HID", aml_string("LNRO0005"))); > >> - aml_append(dev, aml_name_decl("_UID", aml_int(index))); > >> - aml_append(dev, aml_name_decl("_CCA", aml_int(1))); > >> + Aml *adev = aml_device("VR%02u", (unsigned)index); > >> + aml_append(adev, aml_name_decl("_HID", aml_string("LNRO0005"))); > >> + aml_append(adev, aml_name_decl("_UID", aml_int(index))); > >> + aml_append(adev, aml_name_decl("_CCA", aml_int(1))); > >> > >> Aml *crs = aml_resource_template(); > >> aml_append(crs, aml_memory32_fixed(base, size, AML_READ_WRITE)); > >> aml_append(crs, > >> aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH, > >> AML_EXCLUSIVE, &irq, 1)); > >> - aml_append(dev, aml_name_decl("_CRS", crs)); > >> - aml_append(scope, dev); > >> + aml_append(adev, aml_name_decl("_CRS", crs)); > >> + aml_append(scope, adev); > >> } > >> } > >> } > > > > I would prefer to just drop the devicestate dev pointer, use kid->child inside the > > macro. > > Here … > Well, you renamed dev to adev because there's another dev at an outer scope which is set to kid->child, and only used once. I suggest just dropping that one instead of removing this one. > > > >> diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c > >> index c0ce896668..2c832ab68b 100644 > >> --- a/hw/i386/intel_iommu.c > >> +++ b/hw/i386/intel_iommu.c > >> @@ -3744,7 +3744,7 @@ VTDAddressSpace *vtd_find_add_as(IntelIOMMUState *s, PCIBus *bus, > >> /* Unmap the whole range in the notifier's scope. */ > >> static void vtd_address_space_unmap(VTDAddressSpace *as, IOMMUNotifier *n) > >> { > >> - hwaddr size, remain; > >> + hwaddr total, remain; > >> hwaddr start = n->start; > >> hwaddr end = n->end; > >> IntelIOMMUState *s = as->iommu_state; > >> @@ -3765,7 +3765,7 @@ static void vtd_address_space_unmap(VTDAddressSpace *as, IOMMUNotifier *n) > >> } > >> > >> assert(start <= end); > >> - size = remain = end - start + 1; > >> + total = remain = end - start + 1; > >> > >> while (remain >= VTD_PAGE_SIZE) { > >> IOMMUTLBEvent event; > >> @@ -3793,10 +3793,10 @@ static void vtd_address_space_unmap(VTDAddressSpace *as, IOMMUNotifier *n) > >> trace_vtd_as_unmap_whole(pci_bus_num(as->bus), > >> VTD_PCI_SLOT(as->devfn), > >> VTD_PCI_FUNC(as->devfn), > >> - n->start, size); > >> + n->start, total); > >> > >> map.iova = n->start; > >> - map.size = size - 1; /* Inclusive */ > >> + map.size = total - 1; /* Inclusive */ > >> iova_tree_remove(as->iova_tree, map); > >> } > >> > > > > > > arguably an improvement > > > > > >> diff --git a/hw/i386/pc.c b/hw/i386/pc.c > >> index 3db0743f31..e7a233e886 100644 > >> --- a/hw/i386/pc.c > >> +++ b/hw/i386/pc.c > >> @@ -1116,7 +1116,6 @@ void pc_memory_init(PCMachineState *pcms, > >> > >> if (machine->device_memory) { > >> uint64_t *val = g_malloc(sizeof(*val)); > >> - PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); > >> uint64_t res_mem_end = machine->device_memory->base; > >> > >> if (!pcmc->broken_reserved_end) { > >> diff --git a/hw/i386/x86.c b/hw/i386/x86.c > >> index f034df8bf6..b3d054889b 100644 > >> --- a/hw/i386/x86.c > >> +++ b/hw/i386/x86.c > >> @@ -365,8 +365,6 @@ void x86_cpu_pre_plug(HotplugHandler *hotplug_dev, > >> > >> cpu_slot = x86_find_cpu_slot(MACHINE(x86ms), cpu->apic_id, &idx); > >> if (!cpu_slot) { > >> - MachineState *ms = MACHINE(x86ms); > >> - > >> x86_topo_ids_from_apicid(cpu->apic_id, &topo_info, &topo_ids); > >> error_setg(errp, > >> "Invalid CPU [socket: %u, die: %u, core: %u, thread: %u] with" > > > > > > killing dead code, nice > > > >> -- > >> 2.39.3
On Mon, Oct 2, 2023 at 4:17 PM Michael S. Tsirkin <mst@redhat.com> wrote: > > On Thu, Sep 28, 2023 at 09:14:07AM +0530, Ani Sinha wrote: > > > > > > > On 27-Sep-2023, at 8:55 PM, Michael S. Tsirkin <mst@redhat.com> wrote: > > > > > > On Tue, Sep 26, 2023 at 11:22:35AM +0530, Ani Sinha wrote: > > >> Code changes that addresses all compiler complaints coming from enabling > > >> -Wshadow flags. Enabling -Wshadow catches cases of local variables shadowing > > >> other local variables or parameters. These makes the code confusing and/or adds > > > > > > These make > > > > > >> bugs that are difficult to catch. > > >> > > >> CC: Markus Armbruster <armbru@redhat.com> > > >> CC: Philippe Mathieu-Daude <philmd@linaro.org> > > >> CC: mst@redhat.com > > >> Message-Id: <87r0mqlf9x.fsf@pond.sub.org> > > >> Signed-off-by: Ani Sinha <anisinha@redhat.com> > > >> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> > > >> Reviewed-by: Peter Xu <peterx@redhat.com> > > >> --- > > > > > > > > > chunks seem unrelated. why not split them up? > > > > ? No idea what you talking about. Here and ... > > you patch 4 files in a single patch. > intel_iommu is part of vtd emulation and > has separate maintainers. Slightly better to split up > to have each maintainer get just the patches > he cares about. > Not critical, for sure. this was from the original email that Markus sent that had this group: X86 Machines ------------ PC M: Michael S. Tsirkin <mst@redhat.com> M: Marcel Apfelbaum <marcel.apfelbaum@gmail.com> hw/i386/acpi-build.c(*3*) hw/i386/acpi-microvm.c(*2*) hw/i386/intel_iommu.c(*3*) hw/i386/pc.c(*2*) hw/i386/x86.c(*2*) Not sure why it was clubbed with others. > > > > > > > >> hw/i386/acpi-microvm.c | 12 ++++++------ > > >> hw/i386/intel_iommu.c | 8 ++++---- > > >> hw/i386/pc.c | 1 - > > >> hw/i386/x86.c | 2 -- > > >> 4 files changed, 10 insertions(+), 13 deletions(-) > > >> > > >> changelog: > > >> v2: kept Peter's changes from https://lore.kernel.org/r/20230922160410.138786-1-peterx@redhat.com > > >> and removed mine. > > >> > > >> diff --git a/hw/i386/acpi-microvm.c b/hw/i386/acpi-microvm.c > > >> index a075360d85..6e4f8061eb 100644 > > >> --- a/hw/i386/acpi-microvm.c > > >> +++ b/hw/i386/acpi-microvm.c > > >> @@ -78,18 +78,18 @@ static void acpi_dsdt_add_virtio(Aml *scope, > > >> hwaddr base = VIRTIO_MMIO_BASE + index * 512; > > >> hwaddr size = 512; > > >> > > >> - Aml *dev = aml_device("VR%02u", (unsigned)index); > > >> - aml_append(dev, aml_name_decl("_HID", aml_string("LNRO0005"))); > > >> - aml_append(dev, aml_name_decl("_UID", aml_int(index))); > > >> - aml_append(dev, aml_name_decl("_CCA", aml_int(1))); > > >> + Aml *adev = aml_device("VR%02u", (unsigned)index); > > >> + aml_append(adev, aml_name_decl("_HID", aml_string("LNRO0005"))); > > >> + aml_append(adev, aml_name_decl("_UID", aml_int(index))); > > >> + aml_append(adev, aml_name_decl("_CCA", aml_int(1))); > > >> > > >> Aml *crs = aml_resource_template(); > > >> aml_append(crs, aml_memory32_fixed(base, size, AML_READ_WRITE)); > > >> aml_append(crs, > > >> aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH, > > >> AML_EXCLUSIVE, &irq, 1)); > > >> - aml_append(dev, aml_name_decl("_CRS", crs)); > > >> - aml_append(scope, dev); > > >> + aml_append(adev, aml_name_decl("_CRS", crs)); > > >> + aml_append(scope, adev); > > >> } > > >> } > > >> } > > > > > > I would prefer to just drop the devicestate dev pointer, use kid->child inside the > > > macro. good idea. addressed in v2. > > > > Here … > > > > Well, you renamed dev to adev because there's another dev at > an outer scope which is set to kid->child, and only used > once. I suggest just dropping that one instead of removing > this one. > > > > > > > >> diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c > > >> index c0ce896668..2c832ab68b 100644 > > >> --- a/hw/i386/intel_iommu.c > > >> +++ b/hw/i386/intel_iommu.c > > >> @@ -3744,7 +3744,7 @@ VTDAddressSpace *vtd_find_add_as(IntelIOMMUState *s, PCIBus *bus, > > >> /* Unmap the whole range in the notifier's scope. */ > > >> static void vtd_address_space_unmap(VTDAddressSpace *as, IOMMUNotifier *n) > > >> { > > >> - hwaddr size, remain; > > >> + hwaddr total, remain; > > >> hwaddr start = n->start; > > >> hwaddr end = n->end; > > >> IntelIOMMUState *s = as->iommu_state; > > >> @@ -3765,7 +3765,7 @@ static void vtd_address_space_unmap(VTDAddressSpace *as, IOMMUNotifier *n) > > >> } > > >> > > >> assert(start <= end); > > >> - size = remain = end - start + 1; > > >> + total = remain = end - start + 1; > > >> > > >> while (remain >= VTD_PAGE_SIZE) { > > >> IOMMUTLBEvent event; > > >> @@ -3793,10 +3793,10 @@ static void vtd_address_space_unmap(VTDAddressSpace *as, IOMMUNotifier *n) > > >> trace_vtd_as_unmap_whole(pci_bus_num(as->bus), > > >> VTD_PCI_SLOT(as->devfn), > > >> VTD_PCI_FUNC(as->devfn), > > >> - n->start, size); > > >> + n->start, total); > > >> > > >> map.iova = n->start; > > >> - map.size = size - 1; /* Inclusive */ > > >> + map.size = total - 1; /* Inclusive */ > > >> iova_tree_remove(as->iova_tree, map); > > >> } > > >> > > > > > > > > > arguably an improvement > > > > > > > > >> diff --git a/hw/i386/pc.c b/hw/i386/pc.c > > >> index 3db0743f31..e7a233e886 100644 > > >> --- a/hw/i386/pc.c > > >> +++ b/hw/i386/pc.c > > >> @@ -1116,7 +1116,6 @@ void pc_memory_init(PCMachineState *pcms, > > >> > > >> if (machine->device_memory) { > > >> uint64_t *val = g_malloc(sizeof(*val)); > > >> - PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); > > >> uint64_t res_mem_end = machine->device_memory->base; > > >> > > >> if (!pcmc->broken_reserved_end) { > > >> diff --git a/hw/i386/x86.c b/hw/i386/x86.c > > >> index f034df8bf6..b3d054889b 100644 > > >> --- a/hw/i386/x86.c > > >> +++ b/hw/i386/x86.c > > >> @@ -365,8 +365,6 @@ void x86_cpu_pre_plug(HotplugHandler *hotplug_dev, > > >> > > >> cpu_slot = x86_find_cpu_slot(MACHINE(x86ms), cpu->apic_id, &idx); > > >> if (!cpu_slot) { > > >> - MachineState *ms = MACHINE(x86ms); > > >> - > > >> x86_topo_ids_from_apicid(cpu->apic_id, &topo_info, &topo_ids); > > >> error_setg(errp, > > >> "Invalid CPU [socket: %u, die: %u, core: %u, thread: %u] with" > > > > > > > > > killing dead code, nice > > > > > >> -- > > >> 2.39.3 >
diff --git a/hw/i386/acpi-microvm.c b/hw/i386/acpi-microvm.c index a075360d85..6e4f8061eb 100644 --- a/hw/i386/acpi-microvm.c +++ b/hw/i386/acpi-microvm.c @@ -78,18 +78,18 @@ static void acpi_dsdt_add_virtio(Aml *scope, hwaddr base = VIRTIO_MMIO_BASE + index * 512; hwaddr size = 512; - Aml *dev = aml_device("VR%02u", (unsigned)index); - aml_append(dev, aml_name_decl("_HID", aml_string("LNRO0005"))); - aml_append(dev, aml_name_decl("_UID", aml_int(index))); - aml_append(dev, aml_name_decl("_CCA", aml_int(1))); + Aml *adev = aml_device("VR%02u", (unsigned)index); + aml_append(adev, aml_name_decl("_HID", aml_string("LNRO0005"))); + aml_append(adev, aml_name_decl("_UID", aml_int(index))); + aml_append(adev, aml_name_decl("_CCA", aml_int(1))); Aml *crs = aml_resource_template(); aml_append(crs, aml_memory32_fixed(base, size, AML_READ_WRITE)); aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH, AML_EXCLUSIVE, &irq, 1)); - aml_append(dev, aml_name_decl("_CRS", crs)); - aml_append(scope, dev); + aml_append(adev, aml_name_decl("_CRS", crs)); + aml_append(scope, adev); } } } diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index c0ce896668..2c832ab68b 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -3744,7 +3744,7 @@ VTDAddressSpace *vtd_find_add_as(IntelIOMMUState *s, PCIBus *bus, /* Unmap the whole range in the notifier's scope. */ static void vtd_address_space_unmap(VTDAddressSpace *as, IOMMUNotifier *n) { - hwaddr size, remain; + hwaddr total, remain; hwaddr start = n->start; hwaddr end = n->end; IntelIOMMUState *s = as->iommu_state; @@ -3765,7 +3765,7 @@ static void vtd_address_space_unmap(VTDAddressSpace *as, IOMMUNotifier *n) } assert(start <= end); - size = remain = end - start + 1; + total = remain = end - start + 1; while (remain >= VTD_PAGE_SIZE) { IOMMUTLBEvent event; @@ -3793,10 +3793,10 @@ static void vtd_address_space_unmap(VTDAddressSpace *as, IOMMUNotifier *n) trace_vtd_as_unmap_whole(pci_bus_num(as->bus), VTD_PCI_SLOT(as->devfn), VTD_PCI_FUNC(as->devfn), - n->start, size); + n->start, total); map.iova = n->start; - map.size = size - 1; /* Inclusive */ + map.size = total - 1; /* Inclusive */ iova_tree_remove(as->iova_tree, map); } diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 3db0743f31..e7a233e886 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1116,7 +1116,6 @@ void pc_memory_init(PCMachineState *pcms, if (machine->device_memory) { uint64_t *val = g_malloc(sizeof(*val)); - PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); uint64_t res_mem_end = machine->device_memory->base; if (!pcmc->broken_reserved_end) { diff --git a/hw/i386/x86.c b/hw/i386/x86.c index f034df8bf6..b3d054889b 100644 --- a/hw/i386/x86.c +++ b/hw/i386/x86.c @@ -365,8 +365,6 @@ void x86_cpu_pre_plug(HotplugHandler *hotplug_dev, cpu_slot = x86_find_cpu_slot(MACHINE(x86ms), cpu->apic_id, &idx); if (!cpu_slot) { - MachineState *ms = MACHINE(x86ms); - x86_topo_ids_from_apicid(cpu->apic_id, &topo_info, &topo_ids); error_setg(errp, "Invalid CPU [socket: %u, die: %u, core: %u, thread: %u] with"