Automatic merge of 'next-test' into merge-test (2025-07-22 09:36)

maddy-kerneldev · maddy-kerneldev · commit f07e06a43d4c · 2025-07-22T09:36:39.000+05:30
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
@@ -101,7 +101,7 @@ KBUILD_LDFLAGS	+= -m elf$(BITS)$(LDEMULATION)
 endif
 
 LDFLAGS_vmlinux-y := -Bstatic
-LDFLAGS_vmlinux-$(CONFIG_RELOCATABLE) := -pie
+LDFLAGS_vmlinux-$(CONFIG_RELOCATABLE) := -pie --no-dynamic-linker
 LDFLAGS_vmlinux-$(CONFIG_RELOCATABLE) += -z notext
 LDFLAGS_vmlinux	:= $(LDFLAGS_vmlinux-y)
 
diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h
@@ -133,8 +133,6 @@ struct pci_controller {
 
 	/* IRQ domain hierarchy */
 	struct irq_domain	*dev_domain;
-	struct irq_domain	*msi_domain;
-	struct fwnode_handle	*fwnode;
 
 	/* iommu_ops support */
 	struct iommu_device	iommu;
diff --git a/arch/powerpc/include/asm/xive.h b/arch/powerpc/include/asm/xive.h
@@ -111,7 +111,6 @@ void xive_native_free_vp_block(u32 vp_base);
 int xive_native_populate_irq_data(u32 hw_irq,
 				  struct xive_irq_data *data);
 void xive_cleanup_irq_data(struct xive_irq_data *xd);
-void xive_irq_free_data(unsigned int virq);
 void xive_native_free_irq(u32 irq);
 int xive_native_configure_irq(u32 hw_irq, u32 target, u8 prio, u32 sw_irq);
 
diff --git a/arch/powerpc/include/uapi/asm/eeh.h b/arch/powerpc/include/uapi/asm/eeh.h
@@ -1,18 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
 /*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2, as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- *
  * Copyright IBM Corp. 2015
  *
  * Authors: Gavin Shan <gwshan@linux.vnet.ibm.com>
diff --git a/arch/powerpc/include/uapi/asm/kvm.h b/arch/powerpc/include/uapi/asm/kvm.h
@@ -1,18 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
 /*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2, as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- *
  * Copyright IBM Corp. 2007
  *
  * Authors: Hollis Blanchard <hollisb@us.ibm.com>
diff --git a/arch/powerpc/include/uapi/asm/kvm_para.h b/arch/powerpc/include/uapi/asm/kvm_para.h
@@ -1,18 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
 /*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2, as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- *
  * Copyright IBM Corp. 2008
  *
  * Authors: Hollis Blanchard <hollisb@us.ibm.com>
diff --git a/arch/powerpc/include/uapi/asm/ps3fb.h b/arch/powerpc/include/uapi/asm/ps3fb.h
@@ -2,19 +2,6 @@
 /*
  * Copyright (C) 2006 Sony Computer Entertainment Inc.
  * Copyright 2006, 2007 Sony Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published
- * by the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
 #ifndef _ASM_POWERPC_PS3FB_H_
diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c
@@ -907,7 +907,7 @@ void eeh_handle_normal_event(struct eeh_pe *pe)
 		/* FIXME: Use the same format as dump_stack() */
 		pr_err("EEH: Call Trace:\n");
 		for (i = 0; i < pe->trace_entries; i++)
-			pr_err("EEH: [%pK] %pS\n", ptrs[i], ptrs[i]);
+			pr_err("EEH: [%p] %pS\n", ptrs[i], ptrs[i]);
 
 		pe->trace_entries = 0;
 	}
diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c
@@ -713,27 +713,27 @@ static ssize_t catalog_event_len_validate(struct hv_24x7_event_data *event,
 	ev_len = be16_to_cpu(event->length);
 
 	if (ev_len % 16)
-		pr_info("event %zu has length %zu not divisible by 16: event=%pK\n",
+		pr_info("event %zu has length %zu not divisible by 16: event=%p\n",
 				event_idx, ev_len, event);
 
 	ev_end = (__u8 *)event + ev_len;
 	if (ev_end > end) {
-		pr_warn("event %zu has .length=%zu, ends after buffer end: ev_end=%pK > end=%pK, offset=%zu\n",
+		pr_warn("event %zu has .length=%zu, ends after buffer end: ev_end=%p > end=%p, offset=%zu\n",
 				event_idx, ev_len, ev_end, end,
 				offset);
 		return -1;
 	}
 
 	calc_ev_end = event_end(event, end);
 	if (!calc_ev_end) {
-		pr_warn("event %zu has a calculated length which exceeds buffer length %zu: event=%pK end=%pK, offset=%zu\n",
+		pr_warn("event %zu has a calculated length which exceeds buffer length %zu: event=%p end=%p, offset=%zu\n",
 			event_idx, event_data_bytes, event, end,
 			offset);
 		return -1;
 	}
 
 	if (calc_ev_end > ev_end) {
-		pr_warn("event %zu exceeds its own length: event=%pK, end=%pK, offset=%zu, calc_ev_end=%pK\n",
+		pr_warn("event %zu exceeds its own length: event=%p, end=%p, offset=%zu, calc_ev_end=%p\n",
 			event_idx, event, ev_end, offset, calc_ev_end);
 		return -1;
 	}
diff --git a/arch/powerpc/platforms/powernv/Kconfig b/arch/powerpc/platforms/powernv/Kconfig
@@ -9,6 +9,7 @@ config PPC_POWERNV
 	select PPC_P7_NAP
 	select FORCE_PCI
 	select PCI_MSI
+	select IRQ_MSI_LIB
 	select EPAPR_BOOT
 	select PPC_INDIRECT_PIO
 	select PPC_UDBG_16550
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -15,6 +15,7 @@
 #include <linux/init.h>
 #include <linux/memblock.h>
 #include <linux/irq.h>
+#include <linux/irqchip/irq-msi-lib.h>
 #include <linux/io.h>
 #include <linux/msi.h>
 #include <linux/iommu.h>
@@ -37,7 +38,6 @@
 #include <asm/firmware.h>
 #include <asm/pnv-pci.h>
 #include <asm/mmzone.h>
-#include <asm/xive.h>
 
 #include "powernv.h"
 #include "pci.h"
@@ -1707,55 +1707,40 @@ static int __pnv_pci_ioda_msi_setup(struct pnv_phb *phb, struct pci_dev *dev,
 	return 0;
 }
 
-/*
- * The msi_free() op is called before irq_domain_free_irqs_top() when
- * the handler data is still available. Use that to clear the XIVE
- * controller.
- */
-static void pnv_msi_ops_msi_free(struct irq_domain *domain,
-				 struct msi_domain_info *info,
-				 unsigned int irq)
-{
-	if (xive_enabled())
-		xive_irq_free_data(irq);
-}
-
-static struct msi_domain_ops pnv_pci_msi_domain_ops = {
-	.msi_free	= pnv_msi_ops_msi_free,
-};
-
 static void pnv_msi_shutdown(struct irq_data *d)
 {
 	d = d->parent_data;
 	if (d->chip->irq_shutdown)
 		d->chip->irq_shutdown(d);
 }
 
-static void pnv_msi_mask(struct irq_data *d)
+static bool pnv_init_dev_msi_info(struct device *dev, struct irq_domain *domain,
+				  struct irq_domain *real_parent, struct msi_domain_info *info)
 {
-	pci_msi_mask_irq(d);
-	irq_chip_mask_parent(d);
-}
+	struct irq_chip *chip = info->chip;
 
-static void pnv_msi_unmask(struct irq_data *d)
-{
-	pci_msi_unmask_irq(d);
-	irq_chip_unmask_parent(d);
-}
+	if (!msi_lib_init_dev_msi_info(dev, domain, real_parent, info))
+		return false;
 
-static struct irq_chip pnv_pci_msi_irq_chip = {
-	.name		= "PNV-PCI-MSI",
-	.irq_shutdown	= pnv_msi_shutdown,
-	.irq_mask	= pnv_msi_mask,
-	.irq_unmask	= pnv_msi_unmask,
-	.irq_eoi	= irq_chip_eoi_parent,
-};
+	chip->irq_shutdown = pnv_msi_shutdown;
+	return true;
+}
 
-static struct msi_domain_info pnv_msi_domain_info = {
-	.flags = (MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
-		  MSI_FLAG_MULTI_PCI_MSI  | MSI_FLAG_PCI_MSIX),
-	.ops   = &pnv_pci_msi_domain_ops,
-	.chip  = &pnv_pci_msi_irq_chip,
+#define PNV_PCI_MSI_FLAGS_REQUIRED (MSI_FLAG_USE_DEF_DOM_OPS		| \
+				    MSI_FLAG_USE_DEF_CHIP_OPS		| \
+				    MSI_FLAG_PCI_MSI_MASK_PARENT)
+#define PNV_PCI_MSI_FLAGS_SUPPORTED (MSI_GENERIC_FLAGS_MASK		| \
+				     MSI_FLAG_PCI_MSIX			| \
+				     MSI_FLAG_MULTI_PCI_MSI)
+
+static const struct msi_parent_ops pnv_msi_parent_ops = {
+	.required_flags		= PNV_PCI_MSI_FLAGS_REQUIRED,
+	.supported_flags	= PNV_PCI_MSI_FLAGS_SUPPORTED,
+	.chip_flags		= MSI_CHIP_FLAG_SET_EOI,
+	.bus_select_token	= DOMAIN_BUS_NEXUS,
+	.bus_select_mask	= MATCH_PCI_MSI,
+	.prefix			= "PNV-",
+	.init_dev_msi_info	= pnv_init_dev_msi_info,
 };
 
 static void pnv_msi_compose_msg(struct irq_data *d, struct msi_msg *msg)
@@ -1870,41 +1855,30 @@ static void pnv_irq_domain_free(struct irq_domain *domain, unsigned int virq,
 		 virq, d->hwirq, nr_irqs);
 
 	msi_bitmap_free_hwirqs(&phb->msi_bmp, d->hwirq, nr_irqs);
-	/* XIVE domain is cleared through ->msi_free() */
+	irq_domain_free_irqs_parent(domain, virq, nr_irqs);
 }
 
 static const struct irq_domain_ops pnv_irq_domain_ops = {
+	.select	= msi_lib_irq_domain_select,
 	.alloc  = pnv_irq_domain_alloc,
 	.free   = pnv_irq_domain_free,
 };
 
 static int __init pnv_msi_allocate_domains(struct pci_controller *hose, unsigned int count)
 {
-	struct pnv_phb *phb = hose->private_data;
 	struct irq_domain *parent = irq_get_default_domain();
-
-	hose->fwnode = irq_domain_alloc_named_id_fwnode("PNV-MSI", phb->opal_id);
-	if (!hose->fwnode)
-		return -ENOMEM;
-
-	hose->dev_domain = irq_domain_create_hierarchy(parent, 0, count,
-						       hose->fwnode,
-						       &pnv_irq_domain_ops, hose);
+	struct irq_domain_info info = {
+		.fwnode		= of_fwnode_handle(hose->dn),
+		.ops		= &pnv_irq_domain_ops,
+		.host_data	= hose,
+		.size		= count,
+		.parent		= parent,
+	};
+
+	hose->dev_domain = msi_create_parent_irq_domain(&info, &pnv_msi_parent_ops);
 	if (!hose->dev_domain) {
-		pr_err("PCI: failed to create IRQ domain bridge %pOF (domain %d)\n",
-		       hose->dn, hose->global_number);
-		irq_domain_free_fwnode(hose->fwnode);
-		return -ENOMEM;
-	}
-
-	hose->msi_domain = pci_msi_create_irq_domain(of_fwnode_handle(hose->dn),
-						     &pnv_msi_domain_info,
-						     hose->dev_domain);
-	if (!hose->msi_domain) {
 		pr_err("PCI: failed to create MSI IRQ domain bridge %pOF (domain %d)\n",
 		       hose->dn, hose->global_number);
-		irq_domain_free_fwnode(hose->fwnode);
-		irq_domain_remove(hose->dev_domain);
 		return -ENOMEM;
 	}
 
diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig
@@ -7,6 +7,7 @@ config PPC_PSERIES
 	select OF_DYNAMIC
 	select FORCE_PCI
 	select PCI_MSI
+	select IRQ_MSI_LIB
 	select GENERIC_ALLOCATOR
 	select PPC_XICS
 	select PPC_XIVE_SPAPR
diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c
diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c

Original file line number	Diff line number	Diff line change
`@@ -907,7 +907,7 @@ void eeh_handle_normal_event(struct eeh_pe *pe)`
`907`	`907`	`/* FIXME: Use the same format as dump_stack() */`
`908`	`908`	`pr_err("EEH: Call Trace:\n");`
`909`	`909`	`for (i = 0; i < pe->trace_entries; i++)`
`910`		`- pr_err("EEH: [%pK] %pS\n", ptrs[i], ptrs[i]);`
	`910`	`+ pr_err("EEH: [%p] %pS\n", ptrs[i], ptrs[i]);`
`911`	`911`
`912`	`912`	`pe->trace_entries = 0;`
`913`	`913`	`}`