[rocky8_10-rt] History rebuild up through kernel-rt-4.18.0-553.54.1.el8_10

Documentation/admin-guide/device-mapper/dm-crypt.rst

@@ -155,6 +155,17 @@ iv_large_sectors
    The <iv_offset> must be multiple of <sector_size> (in 512 bytes units)
    if this flag is specified.
 
+
+Module parameters::
+max_read_size
+max_write_size
+   Maximum size of read or write requests. When a request larger than this size
+   is received, dm-crypt will split the request. The splitting improves
+   concurrency (the split requests could be encrypted in parallel by multiple
+   cores), but it also causes overhead. The user should tune these parameters to
+   fit the actual workload.
+
+
 Example scripts
 ===============
 LUKS (Linux Unified Key Setup) is now the preferred way to set up disk

Documentation/atomic_bitops.txt

@@ -59,7 +59,7 @@ Like with atomic_t, the rule of thumb is:
  - RMW operations that have a return value are fully ordered.
 
  - RMW operations that are conditional are unordered on FAILURE,
-   otherwise the above rules apply. In the case of test_and_{}_bit() operations,
+   otherwise the above rules apply. In the case of test_and_set_bit_lock(),
    if the bit in memory is unchanged by the operation then it is deemed to have
    failed.
 

Documentation/filesystems/gfs2-glocks.txt

@@ -17,8 +17,7 @@ The gl_holders list contains all the queued lock requests (not
 just the holders) associated with the glock. If there are any
 held locks, then they will be contiguous entries at the head
 of the list. Locks are granted in strictly the order that they
-are queued, except for those marked LM_FLAG_PRIORITY which are
-used only during recovery, and even then only for journal locks.
+are queued.
 
 There are three lock states that users of the glock layer can request,
 namely shared (SH), deferred (DF) and exclusive (EX). Those translate

Documentation/media/cec.h.rst.exceptions

@@ -237,6 +237,7 @@ ignore define CEC_OP_FEAT_DEV_HAS_DECK_CONTROL
 ignore define CEC_OP_FEAT_DEV_HAS_SET_AUDIO_RATE
 ignore define CEC_OP_FEAT_DEV_SINK_HAS_ARC_TX
 ignore define CEC_OP_FEAT_DEV_SOURCE_HAS_ARC_RX
+ignore define CEC_OP_FEAT_DEV_HAS_SET_AUDIO_VOLUME_LEVEL
 
 ignore define CEC_MSG_GIVE_FEATURES
 
@@ -396,6 +397,7 @@ ignore define CEC_OP_SYS_AUD_STATUS_ON
 
 ignore define CEC_MSG_SYSTEM_AUDIO_MODE_REQUEST
 ignore define CEC_MSG_SYSTEM_AUDIO_MODE_STATUS
+ignore define CEC_MSG_SET_AUDIO_VOLUME_LEVEL
 
 ignore define CEC_OP_AUD_FMT_ID_CEA861
 ignore define CEC_OP_AUD_FMT_ID_CEA861_CXT

Documentation/media/kapi/cec-core.rst

@@ -105,6 +105,7 @@ your driver:
 		int (*adap_monitor_all_enable)(struct cec_adapter *adap, bool enable);
 		int (*adap_monitor_pin_enable)(struct cec_adapter *adap, bool enable);
 		int (*adap_log_addr)(struct cec_adapter *adap, u8 logical_addr);
+		void (*adap_configured)(struct cec_adapter *adap, bool configured);
 		int (*adap_transmit)(struct cec_adapter *adap, u8 attempts,
 				      u32 signal_free_time, struct cec_msg *msg);
 		void (*adap_status)(struct cec_adapter *adap, struct seq_file *file);
@@ -113,7 +114,7 @@ your driver:
 		/* Error injection callbacks */
 		...
 
-		/* High-level callbacks */
+		/* High-level callback */
 		...
 	};
 
@@ -175,7 +176,17 @@ can receive directed messages to that address.
 Note that adap_log_addr must return 0 if logical_addr is CEC_LOG_ADDR_INVALID.
 
 
-To transmit a new message:
+Called when the adapter is fully configured or unconfigured::
+
+	void (*adap_configured)(struct cec_adapter *adap, bool configured);
+
+If configured == true, then the adapter is fully configured, i.e. all logical
+addresses have been successfully claimed. If configured == false, then the
+adapter is unconfigured. If the driver has to take specific actions after
+(un)configuration, then that can be done through this optional callback.
+
+
+To transmit a new message::
 
 .. c:function::
 	int (*adap_transmit)(struct cec_adapter *adap, u8 attempts,

Makefile.rhelver

@@ -12,7 +12,7 @@ RHEL_MINOR = 10
 #
 # Use this spot to avoid future merge conflicts.
 # Do not trim this comment.
-RHEL_RELEASE = 553.16.1
+RHEL_RELEASE = 553.54.1
 
 #
 # ZSTREAM
@@ -67,4 +67,4 @@ ifneq ("$(ZSTREAM)", "yes")
 endif
 
 # Realtime build number
-RTBUILD:=.357
+RTBUILD:=.395

arch/arm64/kernel/cacheinfo.c

@@ -101,16 +101,18 @@ static int __populate_cache_leaves(unsigned int cpu)
 	unsigned int level, idx;
 	enum cache_type type;
 	struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu);
-	struct cacheinfo *this_leaf = this_cpu_ci->info_list;
+	struct cacheinfo *infos = this_cpu_ci->info_list;
 
 	for (idx = 0, level = 1; level <= this_cpu_ci->num_levels &&
-	     idx < this_cpu_ci->num_leaves; idx++, level++) {
+	     idx < this_cpu_ci->num_leaves; level++) {
 		type = get_cache_type(level);
 		if (type == CACHE_TYPE_SEPARATE) {
-			ci_leaf_init(this_leaf++, CACHE_TYPE_DATA, level);
-			ci_leaf_init(this_leaf++, CACHE_TYPE_INST, level);
+			if (idx + 1 >= this_cpu_ci->num_leaves)
+				break;
+			ci_leaf_init(&infos[idx++], CACHE_TYPE_DATA, level);
+			ci_leaf_init(&infos[idx++], CACHE_TYPE_INST, level);
 		} else {
-			ci_leaf_init(this_leaf++, type, level);
+			ci_leaf_init(&infos[idx++], type, level);
 		}
 	}
 	return 0;

arch/arm64/kernel/fpsimd.c

@@ -975,6 +975,7 @@ void do_sve_acc(unsigned int esr, struct pt_regs *regs)
 		fpsimd_bind_task_to_cpu();
 	} else {
 		fpsimd_to_sve(current);
+		fpsimd_flush_task_state(current);
 	}
 
 	put_cpu_fpsimd_context();

arch/arm64/kernel/probes/decode-insn.c

@@ -104,10 +104,6 @@ arm_probe_decode_insn(probe_opcode_t insn, struct arch_probe_insn *api)
 	    aarch64_insn_is_blr(insn) ||
 	    aarch64_insn_is_ret(insn)) {
 		api->handler = simulate_br_blr_ret;
-	} else if (aarch64_insn_is_ldr_lit(insn)) {
-		api->handler = simulate_ldr_literal;
-	} else if (aarch64_insn_is_ldrsw_lit(insn)) {
-		api->handler = simulate_ldrsw_literal;
 	} else {
 		/*
 		 * Instruction cannot be stepped out-of-line and we don't
@@ -145,6 +141,17 @@ arm_kprobe_decode_insn(kprobe_opcode_t *addr, struct arch_specific_insn *asi)
 	probe_opcode_t insn = le32_to_cpu(*addr);
 	probe_opcode_t *scan_end = NULL;
 	unsigned long size = 0, offset = 0;
+	struct arch_probe_insn *api = &asi->api;
+
+	if (aarch64_insn_is_ldr_lit(insn)) {
+		api->handler = simulate_ldr_literal;
+		decoded = INSN_GOOD_NO_SLOT;
+	} else if (aarch64_insn_is_ldrsw_lit(insn)) {
+		api->handler = simulate_ldrsw_literal;
+		decoded = INSN_GOOD_NO_SLOT;
+	} else {
+		decoded = arm_probe_decode_insn(insn, &asi->api);
+	}
 
 	/*
 	 * If there's a symbol defined in front of and near enough to
@@ -162,7 +169,6 @@ arm_kprobe_decode_insn(kprobe_opcode_t *addr, struct arch_specific_insn *asi)
 		else
 			scan_end = addr - MAX_ATOMIC_CONTEXT_SIZE;
 	}
-	decoded = arm_probe_decode_insn(insn, &asi->api);
 
 	if (decoded != INSN_REJECTED && scan_end)
 		if (is_probed_address_atomic(addr - 1, scan_end))

arch/arm64/kvm/vgic/vgic-init.c

@@ -352,7 +352,7 @@ static void kvm_vgic_dist_destroy(struct kvm *kvm)
 
 	if (dist->vgic_model == KVM_DEV_TYPE_ARM_VGIC_V3) {
 		list_for_each_entry_safe(rdreg, next, &dist->rd_regions, list)
-			vgic_v3_free_redist_region(rdreg);
+			vgic_v3_free_redist_region(kvm, rdreg);
 		INIT_LIST_HEAD(&dist->rd_regions);
 	} else {
 		dist->vgic_cpu_base = VGIC_ADDR_UNDEF;

arch/arm64/kvm/vgic/vgic-kvm-device.c

@@ -299,16 +299,12 @@ int kvm_register_vgic_device(unsigned long type)
 int vgic_v2_parse_attr(struct kvm_device *dev, struct kvm_device_attr *attr,
 		       struct vgic_reg_attr *reg_attr)
 {
-	int cpuid;
+	int cpuid = FIELD_GET(KVM_DEV_ARM_VGIC_CPUID_MASK, attr->attr);
 
-	cpuid = (attr->attr & KVM_DEV_ARM_VGIC_CPUID_MASK) >>
-		 KVM_DEV_ARM_VGIC_CPUID_SHIFT;
-
-	if (cpuid >= atomic_read(&dev->kvm->online_vcpus))
-		return -EINVAL;
-
-	reg_attr->vcpu = kvm_get_vcpu(dev->kvm, cpuid);
 	reg_attr->addr = attr->attr & KVM_DEV_ARM_VGIC_OFFSET_MASK;
+	reg_attr->vcpu = kvm_get_vcpu_by_id(dev->kvm, cpuid);
+	if (!reg_attr->vcpu)
+		return -EINVAL;
 
 	return 0;
 }

arch/arm64/kvm/vgic/vgic-mmio-v3.c

@@ -833,8 +833,17 @@ static int vgic_v3_alloc_redist_region(struct kvm *kvm, uint32_t index,
 	return ret;
 }
 
-void vgic_v3_free_redist_region(struct vgic_redist_region *rdreg)
+void vgic_v3_free_redist_region(struct kvm *kvm, struct vgic_redist_region *rdreg)
 {
+	struct kvm_vcpu *vcpu;
+	unsigned long c;
+
+	/* Garbage collect the region */
+	kvm_for_each_vcpu(c, vcpu, kvm) {
+		if (vcpu->arch.vgic_cpu.rdreg == rdreg)
+			vcpu->arch.vgic_cpu.rdreg = NULL;
+	}
+
 	list_del(&rdreg->list);
 	kfree(rdreg);
 }
@@ -856,7 +865,7 @@ int vgic_v3_set_redist_base(struct kvm *kvm, u32 index, u64 addr, u32 count)
 		struct vgic_redist_region *rdreg;
 
 		rdreg = vgic_v3_rdist_region_from_index(kvm, index);
-		vgic_v3_free_redist_region(rdreg);
+		vgic_v3_free_redist_region(kvm, rdreg);
 		return ret;
 	}
 

arch/arm64/kvm/vgic/vgic.h

@@ -305,7 +305,7 @@ vgic_v3_rd_region_size(struct kvm *kvm, struct vgic_redist_region *rdreg)
 
 struct vgic_redist_region *vgic_v3_rdist_region_from_index(struct kvm *kvm,
 							   u32 index);
-void vgic_v3_free_redist_region(struct vgic_redist_region *rdreg);
+void vgic_v3_free_redist_region(struct kvm *kvm, struct vgic_redist_region *rdreg);
 
 bool vgic_v3_rdist_overlap(struct kvm *kvm, gpa_t base, size_t size);
 

arch/powerpc/kernel/eeh_pe.c

@@ -862,6 +862,7 @@ struct pci_bus *eeh_pe_bus_get(struct eeh_pe *pe)
 {
 	struct eeh_dev *edev;
 	struct pci_dev *pdev;
+	struct pci_bus *bus = NULL;
 
 	if (pe->type & EEH_PE_PHB)
 		return pe->phb->bus;
@@ -872,9 +873,11 @@ struct pci_bus *eeh_pe_bus_get(struct eeh_pe *pe)
 
 	/* Retrieve the parent PCI bus of first (top) PCI device */
 	edev = list_first_entry_or_null(&pe->edevs, struct eeh_dev, entry);
+	pci_lock_rescan_remove();
 	pdev = eeh_dev_to_pci_dev(edev);
 	if (pdev)
-		return pdev->bus;
+		bus = pdev->bus;
+	pci_unlock_rescan_remove();
 
-	return NULL;
+	return bus;
 }

arch/powerpc/platforms/pseries/setup.c

@@ -299,8 +299,8 @@ static int alloc_dispatch_log_kmem_cache(void)
 {
 	void (*ctor)(void *) = get_dtl_cache_ctor();
 
-	dtl_cache = kmem_cache_create("dtl", DISPATCH_LOG_BYTES,
-						DISPATCH_LOG_BYTES, 0, ctor);
+	dtl_cache = kmem_cache_create_usercopy("dtl", DISPATCH_LOG_BYTES,
+						DISPATCH_LOG_BYTES, 0, 0, DISPATCH_LOG_BYTES, ctor);
 	if (!dtl_cache) {
 		pr_warn("Failed to create dispatch trace log buffer cache\n");
 		pr_warn("Stolen time statistics will be unreliable\n");

arch/s390/include/asm/kvm_host.h

@@ -426,6 +426,7 @@ struct kvm_vcpu_stat {
 	u64 instruction_io_other;
 	u64 instruction_lpsw;
 	u64 instruction_lpswe;
+	u64 instruction_lpswey;
 	u64 instruction_pfmf;
 	u64 instruction_ptff;
 	u64 instruction_sck;

arch/s390/include/asm/pci.h

@@ -108,9 +108,10 @@ struct zpci_bus {
 	struct list_head	resources;
 	struct list_head	bus_next;
 	struct resource		bus_resource;
-	int			pchid;
+	int			topo;		/* TID if topo_is_tid, PCHID otherwise */
 	int			domain_nr;
-	bool			multifunction;
+	u8			multifunction	: 1;
+	u8			topo_is_tid	: 1;
 	enum pci_bus_speed	max_bus_speed;
 };
 
@@ -129,6 +130,8 @@ struct zpci_dev {
 	u16		vfn;		/* virtual function number */
 	u16		pchid;		/* physical channel ID */
 	u16		maxstbl;	/* Maximum store block size */
+	u16		rid;		/* RID as supplied by firmware */
+	u16		tid;		/* Topology for which RID is valid */
 	u8		pfgid;		/* function group ID */
 	u8		pft;		/* pci function type */
 	u8		port;
@@ -139,7 +142,8 @@ struct zpci_dev {
 	u8		is_physfn	: 1;
 	u8		util_str_avail	: 1;
 	u8		irqs_registered	: 1;
-	u8		reserved	: 2;
+	u8		tid_avail	: 1;
+	u8		reserved	: 1;
 	unsigned int	devfn;		/* DEVFN part of the RID*/
 
 	struct mutex lock;
@@ -215,12 +219,14 @@ extern struct airq_iv *zpci_aif_sbv;
 ----------------------------------------------------------------------------- */
 /* Base stuff */
 struct zpci_dev *zpci_create_device(u32 fid, u32 fh, enum zpci_state state);
+int zpci_add_device(struct zpci_dev *zdev);
 int zpci_enable_device(struct zpci_dev *);
 int zpci_disable_device(struct zpci_dev *);
 int zpci_scan_configured_device(struct zpci_dev *zdev, u32 fh);
 int zpci_deconfigure_device(struct zpci_dev *zdev);
 void zpci_device_reserved(struct zpci_dev *zdev);
 bool zpci_is_device_configured(struct zpci_dev *zdev);
+int zpci_scan_devices(void);
 
 int zpci_hot_reset_device(struct zpci_dev *zdev);
 int zpci_register_ioat(struct zpci_dev *, u8, u64, u64, u64, u8 *);
@@ -231,7 +237,7 @@ void zpci_update_fh(struct zpci_dev *zdev, u32 fh);
 /* CLP */
 int rhel8_clp_rescan_pci_devices_simple(void);
 int clp_setup_writeback_mio(void);
-int clp_scan_pci_devices(void);
+int clp_scan_pci_devices(struct list_head *scan_list);
 int clp_query_pci_fn(struct zpci_dev *zdev);
 int clp_enable_fh(struct zpci_dev *zdev, u32 *fh, u8 nr_dma_as);
 int clp_disable_fh(struct zpci_dev *zdev, u32 *fh);

arch/s390/include/asm/pci_clp.h

@@ -107,7 +107,8 @@ struct clp_req_query_pci {
 struct clp_rsp_query_pci {
 	struct clp_rsp_hdr hdr;
 	u16 vfn;			/* virtual fn number */
-	u16			:  3;
+	u16			:  2;
+	u16 tid_avail		:  1;
 	u16 rid_avail		:  1;
 	u16 is_physfn		:  1;
 	u16 reserved1		:  1;
@@ -127,8 +128,9 @@ struct clp_rsp_query_pci {
 	u64 edma;			/* end dma as */
 #define ZPCI_RID_MASK_DEVFN 0x00ff
 	u16 rid;			/* BUS/DEVFN PCI address */
-	u16 reserved0;
-	u32 reserved[10];
+	u32 reserved0;
+	u16 tid;
+	u32 reserved[9];
 	u32 uid;			/* user defined id */
 	u8 util_str[CLP_UTIL_STR_LEN];	/* utility string */
 	u32 reserved2[16];

arch/s390/include/asm/uv.h

@@ -432,7 +432,10 @@ static inline int share(unsigned long addr, u16 cmd)
 
 	if (!uv_call(0, (u64)&uvcb))
 		return 0;
-	return -EINVAL;
+	pr_err("%s UVC failed (rc: 0x%x, rrc: 0x%x), possible hypervisor bug.\n",
+	       uvcb.header.cmd == UVC_CMD_SET_SHARED_ACCESS ? "Share" : "Unshare",
+	       uvcb.header.rc, uvcb.header.rrc);
+	panic("System security cannot be guaranteed unless the system panics now.\n");
 }
 
 /*