20 files changed, 177 insertions, 28 deletions

diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h
index b111dc7ada78..095370ef029d 100644
--- a/include/drm/drm_fb_helper.h
+++ b/include/drm/drm_fb_helper.h
@@ -208,6 +208,18 @@ struct drm_fb_helper {
 	 * the smem_start field should always be cleared to zero.
 	 */
 	bool hint_leak_smem_start;
+
+#ifdef CONFIG_FB_DEFERRED_IO
+	/**
+	 * @fbdefio:
+	 *
+	 * Temporary storage for the driver's FB deferred I/O handler. If the
+	 * driver uses the DRM fbdev emulation layer, this is set by the core
+	 * to a generic deferred I/O handler if a driver is preferring to use
+	 * a shadow buffer.
+	 */
+	struct fb_deferred_io fbdefio;
+#endif
 };
 
 static inline struct drm_fb_helper *
diff --git a/include/drm/drm_vma_manager.h b/include/drm/drm_vma_manager.h
index 4f8c35206f7c..6c2a2f21dbf0 100644
--- a/include/drm/drm_vma_manager.h
+++ b/include/drm/drm_vma_manager.h
@@ -74,6 +74,7 @@ void drm_vma_offset_remove(struct drm_vma_offset_manager *mgr,
 			   struct drm_vma_offset_node *node);
 
 int drm_vma_node_allow(struct drm_vma_offset_node *node, struct drm_file *tag);
+int drm_vma_node_allow_once(struct drm_vma_offset_node *node, struct drm_file *tag);
 void drm_vma_node_revoke(struct drm_vma_offset_node *node,
 			 struct drm_file *tag);
 bool drm_vma_node_is_allowed(struct drm_vma_offset_node *node,
diff --git a/include/kunit/test.h b/include/kunit/test.h
index 87ea90576b50..08d3559dd703 100644
--- a/include/kunit/test.h
+++ b/include/kunit/test.h
@@ -303,7 +303,6 @@ static inline int kunit_run_all_tests(void)
  */
 #define kunit_test_init_section_suites(__suites...)			\
 	__kunit_test_suites(CONCATENATE(__UNIQUE_ID(array), _probe),	\
-			    CONCATENATE(__UNIQUE_ID(suites), _probe),	\
 			    ##__suites)
 
 #define kunit_test_init_section_suite(suite)	\
@@ -683,8 +682,9 @@ do {									       \
 		.right_text = #right,					       \
 	};								       \
 									       \
-	if (likely(memcmp(__left, __right, __size) op 0))		       \
-		break;							       \
+	if (likely(__left && __right))					       \
+		if (likely(memcmp(__left, __right, __size) op 0))	       \
+			break;						       \
 									       \
 	_KUNIT_FAILED(test,						       \
 		      assert_type,					       \
diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h
index 9270cd87da3f..6470f67e63c4 100644
--- a/include/kvm/arm_vgic.h
+++ b/include/kvm/arm_vgic.h
@@ -263,7 +263,7 @@ struct vgic_dist {
 	struct vgic_io_device	dist_iodev;
 
 	bool			has_its;
-	bool			save_its_tables_in_progress;
+	bool			table_write_in_progress;
 
 	/*
 	 * Contains the attributes and gpa of the LPI configuration table.
diff --git a/include/linux/apple-gmux.h b/include/linux/apple-gmux.h
index ddb10aa67b14..1f68b49bcd68 100644
--- a/include/linux/apple-gmux.h
+++ b/include/linux/apple-gmux.h
@@ -8,18 +8,118 @@
 #define LINUX_APPLE_GMUX_H
 
 #include <linux/acpi.h>
+#include <linux/io.h>
+#include <linux/pnp.h>
 
 #define GMUX_ACPI_HID "APP000B"
 
+/*
+ * gmux port offsets. Many of these are not yet used, but may be in the
+ * future, and it's useful to have them documented here anyhow.
+ */
+#define GMUX_PORT_VERSION_MAJOR		0x04
+#define GMUX_PORT_VERSION_MINOR		0x05
+#define GMUX_PORT_VERSION_RELEASE	0x06
+#define GMUX_PORT_SWITCH_DISPLAY	0x10
+#define GMUX_PORT_SWITCH_GET_DISPLAY	0x11
+#define GMUX_PORT_INTERRUPT_ENABLE	0x14
+#define GMUX_PORT_INTERRUPT_STATUS	0x16
+#define GMUX_PORT_SWITCH_DDC		0x28
+#define GMUX_PORT_SWITCH_EXTERNAL	0x40
+#define GMUX_PORT_SWITCH_GET_EXTERNAL	0x41
+#define GMUX_PORT_DISCRETE_POWER	0x50
+#define GMUX_PORT_MAX_BRIGHTNESS	0x70
+#define GMUX_PORT_BRIGHTNESS		0x74
+#define GMUX_PORT_VALUE			0xc2
+#define GMUX_PORT_READ			0xd0
+#define GMUX_PORT_WRITE			0xd4
+
+#define GMUX_MIN_IO_LEN			(GMUX_PORT_BRIGHTNESS + 4)
+
 #if IS_ENABLED(CONFIG_APPLE_GMUX)
+static inline bool apple_gmux_is_indexed(unsigned long iostart)
+{
+	u16 val;
+
+	outb(0xaa, iostart + 0xcc);
+	outb(0x55, iostart + 0xcd);
+	outb(0x00, iostart + 0xce);
+
+	val = inb(iostart + 0xcc) | (inb(iostart + 0xcd) << 8);
+	if (val == 0x55aa)
+		return true;
+
+	return false;
+}
 
 /**
- * apple_gmux_present() - detect if gmux is built into the machine
+ * apple_gmux_detect() - detect if gmux is built into the machine
+ *
+ * @pnp_dev:     Device to probe or NULL to use the first matching device
+ * @indexed_ret: Returns (by reference) if the gmux is indexed or not
+ *
+ * Detect if a supported gmux device is present by actually probing it.
+ * This avoids the false positives returned on some models by
+ * apple_gmux_present().
+ *
+ * Return: %true if a supported gmux ACPI device is detected and the kernel
+ * was configured with CONFIG_APPLE_GMUX, %false otherwise.
+ */
+static inline bool apple_gmux_detect(struct pnp_dev *pnp_dev, bool *indexed_ret)
+{
+	u8 ver_major, ver_minor, ver_release;
+	struct device *dev = NULL;
+	struct acpi_device *adev;
+	struct resource *res;
+	bool indexed = false;
+	bool ret = false;
+
+	if (!pnp_dev) {
+		adev = acpi_dev_get_first_match_dev(GMUX_ACPI_HID, NULL, -1);
+		if (!adev)
+			return false;
+
+		dev = get_device(acpi_get_first_physical_node(adev));
+		acpi_dev_put(adev);
+		if (!dev)
+			return false;
+
+		pnp_dev = to_pnp_dev(dev);
+	}
+
+	res = pnp_get_resource(pnp_dev, IORESOURCE_IO, 0);
+	if (!res || resource_size(res) < GMUX_MIN_IO_LEN)
+		goto out;
+
+	/*
+	 * Invalid version information may indicate either that the gmux
+	 * device isn't present or that it's a new one that uses indexed io.
+	 */
+	ver_major = inb(res->start + GMUX_PORT_VERSION_MAJOR);
+	ver_minor = inb(res->start + GMUX_PORT_VERSION_MINOR);
+	ver_release = inb(res->start + GMUX_PORT_VERSION_RELEASE);
+	if (ver_major == 0xff && ver_minor == 0xff && ver_release == 0xff) {
+		indexed = apple_gmux_is_indexed(res->start);
+		if (!indexed)
+			goto out;
+	}
+
+	if (indexed_ret)
+		*indexed_ret = indexed;
+
+	ret = true;
+out:
+	put_device(dev);
+	return ret;
+}
+
+/**
+ * apple_gmux_present() - check if gmux ACPI device is present
  *
  * Drivers may use this to activate quirks specific to dual GPU MacBook Pros
  * and Mac Pros, e.g. for deferred probing, runtime pm and backlight.
  *
- * Return: %true if gmux is present and the kernel was configured
+ * Return: %true if gmux ACPI device is present and the kernel was configured
  * with CONFIG_APPLE_GMUX, %false otherwise.
  */
 static inline bool apple_gmux_present(void)
@@ -34,6 +134,11 @@ static inline bool apple_gmux_present(void)
 	return false;
 }
 
+static inline bool apple_gmux_detect(struct pnp_dev *pnp_dev, bool *indexed_ret)
+{
+	return false;
+}
+
 #endif /* !CONFIG_APPLE_GMUX */
 
 #endif /* LINUX_APPLE_GMUX_H */
diff --git a/include/linux/ceph/libceph.h b/include/linux/ceph/libceph.h
index 00af2c98da75..4497d0a6772c 100644
--- a/include/linux/ceph/libceph.h
+++ b/include/linux/ceph/libceph.h
@@ -99,16 +99,6 @@ struct ceph_options {
 
 #define CEPH_AUTH_NAME_DEFAULT   "guest"
 
-/* mount state */
-enum {
-	CEPH_MOUNT_MOUNTING,
-	CEPH_MOUNT_MOUNTED,
-	CEPH_MOUNT_UNMOUNTING,
-	CEPH_MOUNT_UNMOUNTED,
-	CEPH_MOUNT_SHUTDOWN,
-	CEPH_MOUNT_RECOVER,
-};
-
 static inline unsigned long ceph_timeout_jiffies(unsigned long timeout)
 {
 	return timeout ?: MAX_SCHEDULE_TIMEOUT;
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 4b27519143f5..98598bd1d2fa 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -668,7 +668,8 @@ extern struct efi {
 
 #define EFI_RT_SUPPORTED_ALL					0x3fff
 
-#define EFI_RT_SUPPORTED_TIME_SERVICES				0x000f
+#define EFI_RT_SUPPORTED_TIME_SERVICES				0x0003
+#define EFI_RT_SUPPORTED_WAKEUP_SERVICES			0x000c
 #define EFI_RT_SUPPORTED_VARIABLE_SERVICES			0x0070
 
 extern struct mm_struct efi_mm;
diff --git a/include/linux/highmem-internal.h b/include/linux/highmem-internal.h
index 034b1106d022..e098f38422af 100644
--- a/include/linux/highmem-internal.h
+++ b/include/linux/highmem-internal.h
@@ -200,7 +200,7 @@ static inline void *kmap_local_pfn(unsigned long pfn)
 static inline void __kunmap_local(const void *addr)
 {
 #ifdef ARCH_HAS_FLUSH_ON_KUNMAP
-	kunmap_flush_on_unmap(addr);
+	kunmap_flush_on_unmap(PTR_ALIGN_DOWN(addr, PAGE_SIZE));
 #endif
 }
 
@@ -227,7 +227,7 @@ static inline void *kmap_atomic_pfn(unsigned long pfn)
 static inline void __kunmap_atomic(const void *addr)
 {
 #ifdef ARCH_HAS_FLUSH_ON_KUNMAP
-	kunmap_flush_on_unmap(addr);
+	kunmap_flush_on_unmap(PTR_ALIGN_DOWN(addr, PAGE_SIZE));
 #endif
 	pagefault_enable();
 	if (IS_ENABLED(CONFIG_PREEMPT_RT))
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 551834cd5299..db194e2ba69f 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -7,6 +7,7 @@
 #include <linux/fs.h>
 #include <linux/hugetlb_inline.h>
 #include <linux/cgroup.h>
+#include <linux/page_ref.h>
 #include <linux/list.h>
 #include <linux/kref.h>
 #include <linux/pgtable.h>
@@ -1187,6 +1188,18 @@ static inline __init void hugetlb_cma_reserve(int order)
 }
 #endif
 
+#ifdef CONFIG_ARCH_WANT_HUGE_PMD_SHARE
+static inline bool hugetlb_pmd_shared(pte_t *pte)
+{
+	return page_count(virt_to_page(pte)) > 1;
+}
+#else
+static inline bool hugetlb_pmd_shared(pte_t *pte)
+{
+	return false;
+}
+#endif
+
 bool want_pmd_share(struct vm_area_struct *vma, unsigned long addr);
 
 #ifndef __HAVE_ARCH_FLUSH_HUGETLB_TLB_RANGE
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index d3c8203cab6c..85dc9b88ea37 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -1666,10 +1666,13 @@ void mem_cgroup_track_foreign_dirty_slowpath(struct folio *folio,
 static inline void mem_cgroup_track_foreign_dirty(struct folio *folio,
 						  struct bdi_writeback *wb)
 {
+	struct mem_cgroup *memcg;
+
 	if (mem_cgroup_disabled())
 		return;
 
-	if (unlikely(&folio_memcg(folio)->css != wb->memcg_css))
+	memcg = folio_memcg(folio);
+	if (unlikely(memcg && &memcg->css != wb->memcg_css))
 		mem_cgroup_track_foreign_dirty_slowpath(folio, wb);
 }
 
diff --git a/include/linux/nvmem-provider.h b/include/linux/nvmem-provider.h
index 50caa117cb62..bb15c9234e21 100644
--- a/include/linux/nvmem-provider.h
+++ b/include/linux/nvmem-provider.h
@@ -70,7 +70,6 @@ struct nvmem_keepout {
  * @word_size:	Minimum read/write access granularity.
  * @stride:	Minimum read/write access stride.
  * @priv:	User context passed to read/write callbacks.
- * @wp-gpio:	Write protect pin
  * @ignore_wp:  Write Protect pin is managed by the provider.
  *
  * Note: A default "nvmem<id>" name will be assigned to the device if
@@ -85,7 +84,6 @@ struct nvmem_config {
 	const char		*name;
 	int			id;
 	struct module		*owner;
-	struct gpio_desc	*wp_gpio;
 	const struct nvmem_cell_info	*cells;
 	int			ncells;
 	const struct nvmem_keepout *keepout;
diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h
index 1341f7d62da4..be48f1cb1878 100644
--- a/include/linux/spinlock.h
+++ b/include/linux/spinlock.h
@@ -476,6 +476,15 @@ extern int _atomic_dec_and_lock_irqsave(atomic_t *atomic, spinlock_t *lock,
 #define atomic_dec_and_lock_irqsave(atomic, lock, flags) \
 		__cond_lock(lock, _atomic_dec_and_lock_irqsave(atomic, lock, &(flags)))
 
+extern int _atomic_dec_and_raw_lock(atomic_t *atomic, raw_spinlock_t *lock);
+#define atomic_dec_and_raw_lock(atomic, lock) \
+		__cond_lock(lock, _atomic_dec_and_raw_lock(atomic, lock))
+
+extern int _atomic_dec_and_raw_lock_irqsave(atomic_t *atomic, raw_spinlock_t *lock,
+					unsigned long *flags);
+#define atomic_dec_and_raw_lock_irqsave(atomic, lock, flags) \
+		__cond_lock(lock, _atomic_dec_and_raw_lock_irqsave(atomic, lock, &(flags)))
+
 int __alloc_bucket_spinlocks(spinlock_t **locks, unsigned int *lock_mask,
 			     size_t max_size, unsigned int cpu_mult,
 			     gfp_t gfp, const char *name,
diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h
index 83ca2e8eb6b5..a152678b82b7 100644
--- a/include/linux/stmmac.h
+++ b/include/linux/stmmac.h
@@ -252,6 +252,7 @@ struct plat_stmmacenet_data {
 	int rss_en;
 	int mac_port_sel_speed;
 	bool en_tx_lpi_clockgating;
+	bool rx_clk_runs_in_lpi;
 	int has_xgmac;
 	bool vlan_fail_q_en;
 	u8 vlan_fail_q;
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 2787b84eaf12..0ceed49516ad 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -418,8 +418,7 @@ extern unsigned long try_to_free_pages(struct zonelist *zonelist, int order,
 extern unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *memcg,
 						  unsigned long nr_pages,
 						  gfp_t gfp_mask,
-						  unsigned int reclaim_options,
-						  nodemask_t *nodemask);
+						  unsigned int reclaim_options);
 extern unsigned long mem_cgroup_shrink_node(struct mem_cgroup *mem,
 						gfp_t gfp_mask, bool noswap,
 						pg_data_t *pgdat,
diff --git a/include/linux/util_macros.h b/include/linux/util_macros.h
index 72299f261b25..43db6e47503c 100644
--- a/include/linux/util_macros.h
+++ b/include/linux/util_macros.h
@@ -38,4 +38,16 @@
  */
 #define find_closest_descending(x, a, as) __find_closest(x, a, as, >=)
 
+/**
+ * is_insidevar - check if the @ptr points inside the @var memory range.
+ * @ptr:	the pointer to a memory address.
+ * @var:	the variable which address and size identify the memory range.
+ *
+ * Evaluates to true if the address in @ptr lies within the memory
+ * range allocated to @var.
+ */
+#define is_insidevar(ptr, var)						\
+	((uintptr_t)(ptr) >= (uintptr_t)(var) &&			\
+	 (uintptr_t)(ptr) <  (uintptr_t)(var) + sizeof(var))
+
 #endif
diff --git a/include/net/mana/gdma.h b/include/net/mana/gdma.h
index b3ba04615caa..56189e4252da 100644
--- a/include/net/mana/gdma.h
+++ b/include/net/mana/gdma.h
@@ -336,9 +336,12 @@ struct gdma_queue_spec {
 	};
 };
 
+#define MANA_IRQ_NAME_SZ 32
+
 struct gdma_irq_context {
 	void (*handler)(void *arg);
 	void *arg;
+	char name[MANA_IRQ_NAME_SZ];
 };
 
 struct gdma_context {
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 695eebc6f2c8..e39fb0736ade 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -422,6 +422,8 @@ extern int iscsi_host_get_max_scsi_cmds(struct Scsi_Host *shost,
 extern struct iscsi_cls_session *
 iscsi_session_setup(struct iscsi_transport *, struct Scsi_Host *shost,
 		    uint16_t, int, int, uint32_t, unsigned int);
+void iscsi_session_remove(struct iscsi_cls_session *cls_session);
+void iscsi_session_free(struct iscsi_cls_session *cls_session);
 extern void iscsi_session_teardown(struct iscsi_cls_session *);
 extern void iscsi_session_recovery_timedout(struct iscsi_cls_session *);
 extern int iscsi_set_param(struct iscsi_cls_conn *cls_conn,
diff --git a/include/uapi/linux/netfilter/nf_conntrack_sctp.h b/include/uapi/linux/netfilter/nf_conntrack_sctp.h
index c742469afe21..2d6f80d75ae7 100644
--- a/include/uapi/linux/netfilter/nf_conntrack_sctp.h
+++ b/include/uapi/linux/netfilter/nf_conntrack_sctp.h
@@ -15,8 +15,7 @@ enum sctp_conntrack {
 	SCTP_CONNTRACK_SHUTDOWN_RECD,
 	SCTP_CONNTRACK_SHUTDOWN_ACK_SENT,
 	SCTP_CONNTRACK_HEARTBEAT_SENT,
-	SCTP_CONNTRACK_HEARTBEAT_ACKED,
-	SCTP_CONNTRACK_DATA_SENT,
+	SCTP_CONNTRACK_HEARTBEAT_ACKED,	/* no longer used */
 	SCTP_CONNTRACK_MAX
 };
 
diff --git a/include/uapi/linux/netfilter/nfnetlink_cttimeout.h b/include/uapi/linux/netfilter/nfnetlink_cttimeout.h
index 94e74034706d..aa805e6d4e28 100644
--- a/include/uapi/linux/netfilter/nfnetlink_cttimeout.h
+++ b/include/uapi/linux/netfilter/nfnetlink_cttimeout.h
@@ -94,8 +94,7 @@ enum ctattr_timeout_sctp {
 	CTA_TIMEOUT_SCTP_SHUTDOWN_RECD,
 	CTA_TIMEOUT_SCTP_SHUTDOWN_ACK_SENT,
 	CTA_TIMEOUT_SCTP_HEARTBEAT_SENT,
-	CTA_TIMEOUT_SCTP_HEARTBEAT_ACKED,
-	CTA_TIMEOUT_SCTP_DATA_SENT,
+	CTA_TIMEOUT_SCTP_HEARTBEAT_ACKED, /* no longer used */
 	__CTA_TIMEOUT_SCTP_MAX
 };
 #define CTA_TIMEOUT_SCTP_MAX (__CTA_TIMEOUT_SCTP_MAX - 1)
diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h
index 5cf81dff60aa..727084cd79be 100644
--- a/include/ufs/ufshcd.h
+++ b/include/ufs/ufshcd.h
@@ -808,6 +808,7 @@ struct ufs_hba_monitor {
  * @urgent_bkops_lvl: keeps track of urgent bkops level for device
  * @is_urgent_bkops_lvl_checked: keeps track if the urgent bkops level for
  *  device is known or not.
+ * @wb_mutex: used to serialize devfreq and sysfs write booster toggling
  * @clk_scaling_lock: used to serialize device commands and clock scaling
  * @desc_size: descriptor sizes reported by device
  * @scsi_block_reqs_cnt: reference counting for scsi block requests
@@ -951,6 +952,7 @@ struct ufs_hba {
 	enum bkops_status urgent_bkops_lvl;
 	bool is_urgent_bkops_lvl_checked;
 
+	struct mutex wb_mutex;
 	struct rw_semaphore clk_scaling_lock;
 	unsigned char desc_size[QUERY_DESC_IDN_MAX];
 	atomic_t scsi_block_reqs_cnt;