Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

Minor overlapping changes for both merge conflicts.

Resolution work done by Stephen Rothwell was used
as a reference.

Signed-off-by: David S. Miller <davem@davemloft.net>

9 files changed, 29 insertions, 21 deletions

diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index 4387ccb79e64..7410c6d9a34d 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -69,5 +69,6 @@ OBJCOPYFLAGS :=
 OBJCOPYFLAGS_lkdtm_rodata_objcopy.o := \
 			--set-section-flags .text=alloc,readonly \
 			--rename-section .text=.rodata
-$(obj)/lkdtm_rodata_objcopy.o: $(obj)/lkdtm_rodata.o
+targets += lkdtm_rodata.o lkdtm_rodata_objcopy.o
+$(obj)/lkdtm_rodata_objcopy.o: $(obj)/lkdtm_rodata.o FORCE
 	$(call if_changed,objcopy)
diff --git a/drivers/misc/cxl/context.c b/drivers/misc/cxl/context.c
index bdee9a01ef35..c466ee2b0c97 100644
--- a/drivers/misc/cxl/context.c
+++ b/drivers/misc/cxl/context.c
@@ -90,8 +90,7 @@ int cxl_context_init(struct cxl_context *ctx, struct cxl_afu *afu, bool master,
 	 */
 	mutex_lock(&afu->contexts_lock);
 	idr_preload(GFP_KERNEL);
-	i = idr_alloc(&ctx->afu->contexts_idr, ctx,
-		      ctx->afu->adapter->native->sl_ops->min_pe,
+	i = idr_alloc(&ctx->afu->contexts_idr, ctx, ctx->afu->adapter->min_pe,
 		      ctx->afu->num_procs, GFP_NOWAIT);
 	idr_preload_end();
 	mutex_unlock(&afu->contexts_lock);
diff --git a/drivers/misc/cxl/cxl.h b/drivers/misc/cxl/cxl.h
index de090533f18c..344a0ff8f8c7 100644
--- a/drivers/misc/cxl/cxl.h
+++ b/drivers/misc/cxl/cxl.h
@@ -561,7 +561,6 @@ struct cxl_service_layer_ops {
 	u64 (*timebase_read)(struct cxl *adapter);
 	int capi_mode;
 	bool needs_reset_before_disable;
-	int min_pe;
 };
 
 struct cxl_native {
@@ -603,6 +602,7 @@ struct cxl {
 	struct bin_attribute cxl_attr;
 	int adapter_num;
 	int user_irqs;
+	int min_pe;
 	u64 ps_size;
 	u16 psl_rev;
 	u16 base_image;
diff --git a/drivers/misc/cxl/native.c b/drivers/misc/cxl/native.c
index 3bcdaee11ba1..e606fdc4bc9c 100644
--- a/drivers/misc/cxl/native.c
+++ b/drivers/misc/cxl/native.c
@@ -924,7 +924,7 @@ static irqreturn_t native_irq_multiplexed(int irq, void *data)
 	return fail_psl_irq(afu, &irq_info);
 }
 
-void native_irq_wait(struct cxl_context *ctx)
+static void native_irq_wait(struct cxl_context *ctx)
 {
 	u64 dsisr;
 	int timeout = 1000;
diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c
index d152e2de8c93..6f0c4ac4b649 100644
--- a/drivers/misc/cxl/pci.c
+++ b/drivers/misc/cxl/pci.c
@@ -379,7 +379,7 @@ static int calc_capp_routing(struct pci_dev *dev, u64 *chipid, u64 *capp_unit_id
 
 static int init_implementation_adapter_psl_regs(struct cxl *adapter, struct pci_dev *dev)
 {
-	u64 psl_dsnctl;
+	u64 psl_dsnctl, psl_fircntl;
 	u64 chipid;
 	u64 capp_unit_id;
 	int rc;
@@ -398,8 +398,11 @@ static int init_implementation_adapter_psl_regs(struct cxl *adapter, struct pci_
 	cxl_p1_write(adapter, CXL_PSL_RESLCKTO, 0x20000000200ULL);
 	/* snoop write mask */
 	cxl_p1_write(adapter, CXL_PSL_SNWRALLOC, 0x00000000FFFFFFFFULL);
-	/* set fir_accum */
-	cxl_p1_write(adapter, CXL_PSL_FIR_CNTL, 0x0800000000000000ULL);
+	/* set fir_cntl to recommended value for production env */
+	psl_fircntl = (0x2ULL << (63-3)); /* ce_report */
+	psl_fircntl |= (0x1ULL << (63-6)); /* FIR_report */
+	psl_fircntl |= 0x1ULL; /* ce_thresh */
+	cxl_p1_write(adapter, CXL_PSL_FIR_CNTL, psl_fircntl);
 	/* for debugging with trace arrays */
 	cxl_p1_write(adapter, CXL_PSL_TRACE, 0x0000FF7C00000000ULL);
 
@@ -1521,14 +1524,15 @@ static const struct cxl_service_layer_ops xsl_ops = {
 	.write_timebase_ctrl = write_timebase_ctrl_xsl,
 	.timebase_read = timebase_read_xsl,
 	.capi_mode = OPAL_PHB_CAPI_MODE_DMA,
-	.min_pe = 1, /* Workaround for Mellanox CX4 HW bug */
 };
 
 static void set_sl_ops(struct cxl *adapter, struct pci_dev *dev)
 {
 	if (dev->vendor == PCI_VENDOR_ID_MELLANOX && dev->device == 0x1013) {
+		/* Mellanox CX-4 */
 		dev_info(&adapter->dev, "Device uses an XSL\n");
 		adapter->native->sl_ops = &xsl_ops;
+		adapter->min_pe = 1; /* Workaround for CX-4 hardware bug */
 	} else {
 		dev_info(&adapter->dev, "Device uses a PSL\n");
 		adapter->native->sl_ops = &psl_ops;
diff --git a/drivers/misc/cxl/vphb.c b/drivers/misc/cxl/vphb.c
index dee8def1c193..7ada5f1b7bb6 100644
--- a/drivers/misc/cxl/vphb.c
+++ b/drivers/misc/cxl/vphb.c
@@ -221,7 +221,7 @@ int cxl_pci_vphb_add(struct cxl_afu *afu)
 	/* Setup the PHB using arch provided callback */
 	phb->ops = &cxl_pcie_pci_ops;
 	phb->cfg_addr = NULL;
-	phb->cfg_data = 0;
+	phb->cfg_data = NULL;
 	phb->private_data = afu;
 	phb->controller_ops = cxl_pci_controller_ops;
 
diff --git a/drivers/misc/lkdtm_usercopy.c b/drivers/misc/lkdtm_usercopy.c
index 5a3fd76eec27..5525a204db93 100644
--- a/drivers/misc/lkdtm_usercopy.c
+++ b/drivers/misc/lkdtm_usercopy.c
@@ -49,7 +49,7 @@ static noinline void do_usercopy_stack(bool to_user, bool bad_frame)
 
 	/* This is a pointer to outside our current stack frame. */
 	if (bad_frame) {
-		bad_stack = do_usercopy_stack_callee((uintptr_t)bad_stack);
+		bad_stack = do_usercopy_stack_callee((uintptr_t)&bad_stack);
 	} else {
 		/* Put start address just inside stack. */
 		bad_stack = task_stack_page(current) + THREAD_SIZE;
diff --git a/drivers/misc/mic/Kconfig b/drivers/misc/mic/Kconfig
index 89e5917e1c33..6fd9d367dea7 100644
--- a/drivers/misc/mic/Kconfig
+++ b/drivers/misc/mic/Kconfig
@@ -146,3 +146,7 @@ config VOP
 	  More information about the Intel MIC family as well as the Linux
 	  OS and tools for MIC to use with this driver are available from
 	  <http://software.intel.com/en-us/mic-developer>.
+
+if VOP
+source "drivers/vhost/Kconfig.vringh"
+endif
diff --git a/drivers/misc/mic/host/mic_boot.c b/drivers/misc/mic/host/mic_boot.c
index e047efd83f57..9599d732aff3 100644
--- a/drivers/misc/mic/host/mic_boot.c
+++ b/drivers/misc/mic/host/mic_boot.c
@@ -38,7 +38,7 @@ static inline struct mic_device *vpdev_to_mdev(struct device *dev)
 static dma_addr_t
 _mic_dma_map_page(struct device *dev, struct page *page,
 		  unsigned long offset, size_t size,
-		  enum dma_data_direction dir, struct dma_attrs *attrs)
+		  enum dma_data_direction dir, unsigned long attrs)
 {
 	void *va = phys_to_virt(page_to_phys(page)) + offset;
 	struct mic_device *mdev = vpdev_to_mdev(dev);
@@ -48,7 +48,7 @@ _mic_dma_map_page(struct device *dev, struct page *page,
 
 static void _mic_dma_unmap_page(struct device *dev, dma_addr_t dma_addr,
 				size_t size, enum dma_data_direction dir,
-				struct dma_attrs *attrs)
+				unsigned long attrs)
 {
 	struct mic_device *mdev = vpdev_to_mdev(dev);
 
@@ -144,7 +144,7 @@ static inline struct mic_device *scdev_to_mdev(struct scif_hw_dev *scdev)
 
 static void *__mic_dma_alloc(struct device *dev, size_t size,
 			     dma_addr_t *dma_handle, gfp_t gfp,
-			     struct dma_attrs *attrs)
+			     unsigned long attrs)
 {
 	struct scif_hw_dev *scdev = dev_get_drvdata(dev);
 	struct mic_device *mdev = scdev_to_mdev(scdev);
@@ -164,7 +164,7 @@ static void *__mic_dma_alloc(struct device *dev, size_t size,
 }
 
 static void __mic_dma_free(struct device *dev, size_t size, void *vaddr,
-			   dma_addr_t dma_handle, struct dma_attrs *attrs)
+			   dma_addr_t dma_handle, unsigned long attrs)
 {
 	struct scif_hw_dev *scdev = dev_get_drvdata(dev);
 	struct mic_device *mdev = scdev_to_mdev(scdev);
@@ -176,7 +176,7 @@ static void __mic_dma_free(struct device *dev, size_t size, void *vaddr,
 static dma_addr_t
 __mic_dma_map_page(struct device *dev, struct page *page, unsigned long offset,
 		   size_t size, enum dma_data_direction dir,
-		   struct dma_attrs *attrs)
+		   unsigned long attrs)
 {
 	void *va = phys_to_virt(page_to_phys(page)) + offset;
 	struct scif_hw_dev *scdev = dev_get_drvdata(dev);
@@ -188,7 +188,7 @@ __mic_dma_map_page(struct device *dev, struct page *page, unsigned long offset,
 static void
 __mic_dma_unmap_page(struct device *dev, dma_addr_t dma_addr,
 		     size_t size, enum dma_data_direction dir,
-		     struct dma_attrs *attrs)
+		     unsigned long attrs)
 {
 	struct scif_hw_dev *scdev = dev_get_drvdata(dev);
 	struct mic_device *mdev = scdev_to_mdev(scdev);
@@ -198,7 +198,7 @@ __mic_dma_unmap_page(struct device *dev, dma_addr_t dma_addr,
 
 static int __mic_dma_map_sg(struct device *dev, struct scatterlist *sg,
 			    int nents, enum dma_data_direction dir,
-			    struct dma_attrs *attrs)
+			    unsigned long attrs)
 {
 	struct scif_hw_dev *scdev = dev_get_drvdata(dev);
 	struct mic_device *mdev = scdev_to_mdev(scdev);
@@ -229,7 +229,7 @@ err:
 static void __mic_dma_unmap_sg(struct device *dev,
 			       struct scatterlist *sg, int nents,
 			       enum dma_data_direction dir,
-			       struct dma_attrs *attrs)
+			       unsigned long attrs)
 {
 	struct scif_hw_dev *scdev = dev_get_drvdata(dev);
 	struct mic_device *mdev = scdev_to_mdev(scdev);
@@ -327,7 +327,7 @@ static inline struct mic_device *mbdev_to_mdev(struct mbus_device *mbdev)
 static dma_addr_t
 mic_dma_map_page(struct device *dev, struct page *page,
 		 unsigned long offset, size_t size, enum dma_data_direction dir,
-		 struct dma_attrs *attrs)
+		 unsigned long attrs)
 {
 	void *va = phys_to_virt(page_to_phys(page)) + offset;
 	struct mic_device *mdev = dev_get_drvdata(dev->parent);
@@ -338,7 +338,7 @@ mic_dma_map_page(struct device *dev, struct page *page,
 static void
 mic_dma_unmap_page(struct device *dev, dma_addr_t dma_addr,
 		   size_t size, enum dma_data_direction dir,
-		   struct dma_attrs *attrs)
+		   unsigned long attrs)
 {
 	struct mic_device *mdev = dev_get_drvdata(dev->parent);
 	mic_unmap_single(mdev, dma_addr, size);