d49ac0c8e8
* Tue May 07 2024 Jan Stancek <jstancek@redhat.com> [6.9.0-0.rc7.5.el10]
- Linux 6.9-rc7 (Linus Torvalds)
- epoll: be better about file lifetimes (Linus Torvalds)
- EDAC/versal: Do not log total error counts (Shubhrajyoti Datta)
- EDAC/versal: Check user-supplied data before injecting an error (Shubhrajyoti Datta)
- EDAC/versal: Do not register for NOC errors (Shubhrajyoti Datta)
- powerpc/pseries/iommu: LPAR panics during boot up with a frozen PE (Gaurav Batra)
- powerpc/pseries: make max polling consistent for longer H_CALLs (Nayna Jain)
- x86/mm: Remove broken vsyscall emulation code from the page fault code (Linus Torvalds)
- x86/apic: Don't access the APIC when disabling x2APIC (Thomas Gleixner)
- x86/sev: Add callback to apply RMP table fixups for kexec (Ashish Kalra)
- x86/e820: Add a new e820 table update helper (Ashish Kalra)
- softirq: Fix suspicious RCU usage in __do_softirq() (Zqiang)
- slimbus: qcom-ngd-ctrl: Add timeout for wait operation (Viken Dadhaniya)
- dyndbg: fix old BUG_ON in >control parser (Jim Cromie)
- fpga: dfl-pci: add PCI subdevice ID for Intel D5005 card (Peter Colberg)
- misc/pvpanic-pci: register attributes via pci_driver (Thomas Weißschuh)
- mei: me: add lunar lake point M DID (Alexander Usyskin)
- mei: pxp: match against PCI_CLASS_DISPLAY_OTHER (Daniele Ceraolo Spurio)
- iio:imu: adis16475: Fix sync mode setting (Ramona Gradinariu)
- iio: accel: mxc4005: Reset chip on probe() and resume() (Hans de Goede)
- iio: accel: mxc4005: Interrupt handling fixes (Hans de Goede)
- dt-bindings: iio: health: maxim,max30102: fix compatible check (Javier Carrasco)
- iio: pressure: Fixes SPI support for BMP3xx devices (Vasileios Amoiridis)
- iio: pressure: Fixes BME280 SPI driver data (Vasileios Amoiridis)
- usb: typec: tcpm: Check for port partner validity before consuming it (Badhri Jagan Sridharan)
- usb: typec: tcpm: enforce ready state when queueing alt mode vdm (RD Babiera)
- usb: typec: tcpm: unregister existing source caps before re-registration (Amit Sunil Dhamne)
- usb: typec: tcpm: clear pd_event queue in PORT_RESET (RD Babiera)
- usb: typec: tcpm: queue correct sop type in tcpm_queue_vdm_unlocked (RD Babiera)
- usb: Fix regression caused by invalid ep0 maxpacket in virtual SuperSpeed device (Alan Stern)
- usb: ohci: Prevent missed ohci interrupts (Guenter Roeck)
- usb: typec: qcom-pmic: fix pdphy start() error handling (Johan Hovold)
- usb: typec: qcom-pmic: fix use-after-free on late probe errors (Johan Hovold)
- usb: gadget: f_fs: Fix a race condition when processing setup packets. (Chris Wulff)
- USB: core: Fix access violation during port device removal (Alan Stern)
- usb: dwc3: core: Prevent phy suspend during init (Thinh Nguyen)
- usb: xhci-plat: Don't include xhci.h (Thinh Nguyen)
- usb: gadget: uvc: use correct buffer size when parsing configfs lists (Ivan Avdeev)
- usb: gadget: composite: fix OS descriptors w_value logic (Peter Korsgaard)
- usb: gadget: f_fs: Fix race between aio_cancel() and AIO request complete (Wesley Cheng)
- Input: amimouse - mark driver struct with __refdata to prevent section mismatch (Uwe Kleine-König)
- Input: xpad - add support for ASUS ROG RAIKIRI (Vicki Pfau)
- tracing/probes: Fix memory leak in traceprobe_parse_probe_arg_body() (LuMingYin)
- eventfs: Have "events" directory get permissions from its parent (Steven Rostedt (Google))
- eventfs: Do not treat events directory different than other directories (Steven Rostedt (Google))
- eventfs: Do not differentiate the toplevel events directory (Steven Rostedt (Google))
- tracefs: Still use mount point as default permissions for instances (Steven Rostedt (Google))
- tracefs: Reset permissions on remount if permissions are options (Steven Rostedt (Google))
- eventfs: Free all of the eventfs_inode after RCU (Steven Rostedt (Google))
- eventfs/tracing: Add callback for release of an eventfs_inode (Steven Rostedt (Google))
- swiotlb: initialise restricted pool list_head when SWIOTLB_DYNAMIC=y (Will Deacon)
- clk: samsung: Revert "clk: Use device_get_match_data()" (Marek Szyprowski)
- clk: sunxi-ng: a64: Set minimum and maximum rate for PLL-MIPI (Frank Oltmanns)
- clk: sunxi-ng: common: Support minimum and maximum rate (Frank Oltmanns)
- clk: sunxi-ng: h6: Reparent CPUX during PLL CPUX rate change (Jernej Skrabec)
- clk: qcom: smd-rpm: Restore msm8976 num_clk (Adam Skladowski)
- clk: qcom: gdsc: treat optional supplies as optional (Johan Hovold)
- v6.9-rc6-rt4 (Sebastian Andrzej Siewior)
- printk: Update the printk queue. (Sebastian Andrzej Siewior)
- cxl: Fix cxl_endpoint_get_perf_coordinate() support for RCH (Dave Jiang)
- x86/xen: return a sane initial apic id when running as PV guest (Juergen Gross)
- x86/xen/smp_pv: Register the boot CPU APIC properly (Thomas Gleixner)
- efi/unaccepted: touch soft lockup during memory accept (Chen Yu)
- nvme-tcp: strict pdu pacing to avoid send stalls on TLS (Hannes Reinecke)
- nvmet: fix nvme status code when namespace is disabled (Sagi Grimberg)
- nvmet-tcp: fix possible memory leak when tearing down a controller (Sagi Grimberg)
- nvme: cancel pending I/O if nvme controller is in terminal state (Nilay Shroff)
- nvmet-auth: replace pr_debug() with pr_err() to report an error. (Maurizio Lombardi)
- nvmet-auth: return the error code to the nvmet_auth_host_hash() callers (Maurizio Lombardi)
- nvme: find numa distance only if controller has valid numa id (Nilay Shroff)
- nvme: fix warn output about shared namespaces without CONFIG_NVME_MULTIPATH (Yi Zhang)
- ublk: remove segment count and size limits (Uday Shankar)
- ALSA: hda/realtek: Fix build error without CONFIG_PM (Takashi Iwai)
- ASoC: meson: axg-tdm: add continuous clock support (Jerome Brunet)
- ASoC: meson: axg-tdm-interface: manage formatters in trigger (Jerome Brunet)
- ASoC: meson: axg-card: make links nonatomic (Jerome Brunet)
- ASoC: meson: axg-fifo: use threaded irq to check periods (Jerome Brunet)
- ASoC: cs35l56: fix usages of device_get_named_child_node() (Pierre-Louis Bossart)
- ASoC: da7219-aad: fix usage of device_get_named_child_node() (Pierre-Louis Bossart)
- ASoC: meson: cards: select SND_DYNAMIC_MINORS (Jerome Brunet)
- ASoC: rt715-sdca: volume step modification (Jack Yu)
- ASoC: cs35l56: Avoid static analysis warning of uninitialised variable (Simon Trimmer)
- ASoC: codecs: wsa881x: set clk_stop_mode1 flag (Srinivas Kandagatla)
- ASoC: ti: davinci-mcasp: Fix race condition during probe (Joao Paulo Goncalves)
- ASoC: Intel: avs: Set name of control as in topology (Amadeusz Sławiński)
- ASoC: SOF: Core: Handle error returned by sof_select_ipc_and_paths (Peter Ujfalusi)
- ASoC: rt715: add vendor clear control register (Jack Yu)
- ASoC: cs35l41: Update DSP1RX5/6 Sources for DSP config (Stefan Binding)
- ASoC: cs35l56: Prevent overwriting firmware ASP config (Richard Fitzgerald)
- ASoC: cs35l56: Fix unintended bus access while resetting amp (Richard Fitzgerald)
- ALSA: hda: cs35l56: Exit cache-only after cs35l56_wait_for_firmware_boot() (Richard Fitzgerald)
- regmap: Add regmap_read_bypassed() (Richard Fitzgerald)
- ASoC: SOF: ipc4-pcm: Do not reset the ChainDMA if it has not been allocated (Peter Ujfalusi)
- ASoC: SOF: ipc4-pcm: Introduce generic sof_ipc4_pcm_stream_priv (Peter Ujfalusi)
- ASoC: SOF: ipc4-pcm: Use consistent name for sof_ipc4_timestamp_info pointer (Peter Ujfalusi)
- ASoC: SOF: ipc4-pcm: Use consistent name for snd_sof_pcm_stream pointer (Peter Ujfalusi)
- ASoC: SOF: debug: show firmware/topology prefix/names (Pierre-Louis Bossart)
- ASoC: SOF: pcm: Restrict DSP D0i3 during S0ix to IPC3 (Ranjani Sridharan)
- ASoC: SOF: Intel: add default firmware library path for LNL (Pierre-Louis Bossart)
- ASoC: rt722-sdca: add headset microphone vrefo setting (Jack Yu)
- ASoC: rt722-sdca: modify channel number to support 4 channels (Jack Yu)
- ASoC: dt-bindings: rt5645: add cbj sleeve gpio property (Derek Fang)
- ASoC: rt5645: Fix the electric noise due to the CBJ contacts floating (Derek Fang)
- ASoC: acp: Support microphone from device Acer 315-24p (end.to.start)
- ASoC: Intel: bytcr_rt5640: Apply Asus T100TA quirk to Asus T100TAM too (Hans de Goede)
- ASoC: tegra: Fix DSPK 16-bit playback (Sameer Pujar)
- ASoC: Intel: avs: Fix debug window description (Cezary Rojewski)
- ALSA: hda/realtek: Fix conflicting PCI SSID 17aa:386f for Lenovo Legion models (Takashi Iwai)
- ALSA: hda/realtek - Set GPIO3 to default at S4 state for Thinkpad with ALC1318 (Kailang Yang)
- ALSA: hda: intel-sdw-acpi: fix usage of device_get_named_child_node() (Pierre-Louis Bossart)
- ALSA: hda: intel-dsp-config: harden I2C/I2S codec detection (Pierre-Louis Bossart)
- ALSA: hda/realtek: Fix mute led of HP Laptop 15-da3001TU (Aman Dhoot)
- ALSA: emu10k1: make E-MU FPGA writes potentially more reliable (Oswald Buddenhagen)
- ALSA: emu10k1: fix E-MU dock initialization (Oswald Buddenhagen)
- ALSA: emu10k1: use mutex for E-MU FPGA access locking (Oswald Buddenhagen)
- ALSA: emu10k1: move the whole GPIO event handling to the workqueue (Oswald Buddenhagen)
- ALSA: emu10k1: factor out snd_emu1010_load_dock_firmware() (Oswald Buddenhagen)
- ALSA: emu10k1: fix E-MU card dock presence monitoring (Oswald Buddenhagen)
- drm/panel: ili9341: Use predefined error codes (Andy Shevchenko)
- drm/panel: ili9341: Respect deferred probe (Andy Shevchenko)
- drm/panel: ili9341: Correct use of device property APIs (Andy Shevchenko)
- drm/vmwgfx: Fix invalid reads in fence signaled events (Zack Rusin)
- drm/nouveau/gsp: Use the sg allocator for level 2 of radix3 (Lyude Paul)
- drm/nouveau/firmware: Fix SG_DEBUG error with nvkm_firmware_ctor() (Lyude Paul)
- drm/imagination: Ensure PVR_MIPS_PT_PAGE_COUNT is never zero (Matt Coster)
- drm/ttm: Print the memory decryption status just once (Zack Rusin)
- drm/vmwgfx: Fix Legacy Display Unit (Ian Forbes)
- drm/xe/display: Fix ADL-N detection (Lucas De Marchi)
- drm/xe/vm: prevent UAF in rebind_work_func() (Matthew Auld)
- drm/amd/display: Disable panel replay by default for now (Mario Limonciello)
- drm/amdgpu: fix doorbell regression (Shashank Sharma)
- drm/amdkfd: Flush the process wq before creating a kfd_process (Lancelot SIX)
- drm/amd/display: Disable seamless boot on 128b/132b encoding (Sung Joon Kim)
- drm/amd/display: Fix DC mode screen flickering on DCN321 (Leo Ma)
- drm/amd/display: Add VCO speed parameter for DCN31 FPU (Rodrigo Siqueira)
- drm/amdgpu: once more fix the call oder in amdgpu_ttm_move() v2 (Christian König)
- drm/amd/display: Allocate zero bw after bw alloc enable (Meenakshikumar Somasundaram)
- drm/amd/display: Fix incorrect DSC instance for MST (Hersen Wu)
- drm/amd/display: Atom Integrated System Info v2_2 for DCN35 (Gabe Teeger)
- drm/amd/display: Add dtbclk access to dcn315 (Swapnil Patel)
- drm/amd/display: Ensure that dmcub support flag is set for DCN20 (Rodrigo Siqueira)
- drm/amd/display: Handle Y carry-over in VCP X.Y calculation (George Shen)
- drm/amdgpu: Fix VRAM memory accounting (Mukul Joshi)
- spi: fix null pointer dereference within spi_sync (Mans Rullgard)
- spi: hisi-kunpeng: Delete the dump interface of data registers in debugfs (Devyn Liu)
- spi: axi-spi-engine: fix version format string (David Lechner)
- Set DEBUG_INFO_BTF_MODULES for Fedora (Justin M. Forbes)
- btrfs: set correct ram_bytes when splitting ordered extent (Qu Wenruo)
- btrfs: take the cleaner_mutex earlier in qgroup disable (Josef Bacik)
- btrfs: add missing mutex_unlock in btrfs_relocate_sys_chunks() (Dominique Martinet)
- s390/paes: Reestablish retry loop in paes (Harald Freudenberger)
- s390/zcrypt: Use EBUSY to indicate temp unavailability (Harald Freudenberger)
- s390/zcrypt: Handle ep11 cprb return code (Harald Freudenberger)
- s390/zcrypt: Fix wrong format string in debug feature printout (Harald Freudenberger)
- s390/cio: Ensure the copied buf is NUL terminated (Bui Quang Minh)
- s390/vdso: Add CFI for RA register to asm macro vdso_func (Jens Remus)
- s390/3270: Fix buffer assignment (Sven Schnelle)
- s390/mm: Fix clearing storage keys for huge pages (Claudio Imbrenda)
- s390/mm: Fix storage key clearing for guest huge pages (Claudio Imbrenda)
- xtensa: remove redundant flush_dcache_page and ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE macros (Barry Song)
- tty: xtensa/iss: Use min() to fix Coccinelle warning (Thorsten Blum)
- xtensa: fix MAKE_PC_FROM_RA second argument (Max Filippov)
- firewire: ohci: fulfill timestamp for some local asynchronous transaction (Takashi Sakamoto)
- firewire: nosy: ensure user_length is taken into account when fetching packet contents (Thanassis Avgerinos)
- thermal/debugfs: Prevent use-after-free from occurring after cdev removal (Rafael J. Wysocki)
- thermal/debugfs: Fix two locking issues with thermal zone debug (Rafael J. Wysocki)
- thermal/debugfs: Free all thermal zone debug memory on zone removal (Rafael J. Wysocki)
- MAINTAINERS: mark MYRICOM MYRI-10G as Orphan (Jakub Kicinski)
- MAINTAINERS: remove Ariel Elior (Jakub Kicinski)
- net: gro: add flush check in udp_gro_receive_segment (Richard Gobert)
- net: gro: fix udp bad offset in socket lookup by adding {inner_}network_offset to napi_gro_cb (Richard Gobert)
- ipv4: Fix uninit-value access in __ip_make_skb() (Shigeru Yoshida)
- s390/qeth: Fix kernel panic after setting hsuid (Alexandra Winter)
- vxlan: Pull inner IP header in vxlan_rcv(). (Guillaume Nault)
- tipc: fix a possible memleak in tipc_buf_append (Xin Long)
- tipc: fix UAF in error path (Paolo Abeni)
- rxrpc: Clients must accept conn from any address (Jeffrey Altman)
- net: core: reject skb_copy(_expand) for fraglist GSO skbs (Felix Fietkau)
- net: bridge: fix multicast-to-unicast with fraglist GSO (Felix Fietkau)
- mptcp: ensure snd_nxt is properly initialized on connect (Paolo Abeni)
- e1000e: change usleep_range to udelay in PHY mdic access (Vitaly Lifshits)
- net: dsa: mv88e6xxx: Fix number of databases for 88E6141 / 88E6341 (Marek Behún)
- cxgb4: Properly lock TX queue for the selftest. (Sebastian Andrzej Siewior)
- rxrpc: Fix using alignmask being zero for __page_frag_alloc_align() (Yunsheng Lin)
- vxlan: Add missing VNI filter counter update in arp_reduce(). (Guillaume Nault)
- vxlan: Fix racy device stats updates. (Guillaume Nault)
- net: qede: use return from qede_parse_actions() (Asbjørn Sloth Tønnesen)
- net: qede: use return from qede_parse_flow_attr() for flow_spec (Asbjørn Sloth Tønnesen)
- net: qede: use return from qede_parse_flow_attr() for flower (Asbjørn Sloth Tønnesen)
- net: qede: sanitize 'rc' in qede_add_tc_flower_fltr() (Asbjørn Sloth Tønnesen)
- MAINTAINERS: add an explicit entry for YNL (Jakub Kicinski)
- net: bcmgenet: synchronize UMAC_CMD access (Doug Berger)
- net: bcmgenet: synchronize use of bcmgenet_set_rx_mode() (Doug Berger)
- net: bcmgenet: synchronize EXT_RGMII_OOB_CTRL access (Doug Berger)
- selftests/bpf: Test PROBE_MEM of VSYSCALL_ADDR on x86-64 (Puranjay Mohan)
- bpf, x86: Fix PROBE_MEM runtime load check (Puranjay Mohan)
- bpf: verifier: prevent userspace memory access (Puranjay Mohan)
- xdp: use flags field to disambiguate broadcast redirect (Toke Høiland-Jørgensen)
- arm32, bpf: Reimplement sign-extension mov instruction (Puranjay Mohan)
- riscv, bpf: Fix incorrect runtime stats (Xu Kuohai)
- bpf, arm64: Fix incorrect runtime stats (Xu Kuohai)
- bpf: Fix a verifier verbose message (Anton Protopopov)
- bpf, skmsg: Fix NULL pointer dereference in sk_psock_skb_ingress_enqueue (Jason Xing)
- MAINTAINERS: bpf: Add Lehui and Puranjay as riscv64 reviewers (Björn Töpel)
- MAINTAINERS: Update email address for Puranjay Mohan (Puranjay Mohan)
- bpf, kconfig: Fix DEBUG_INFO_BTF_MODULES Kconfig definition (Andrii Nakryiko)
- Fix a potential infinite loop in extract_user_to_sg() (David Howells)
- net l2tp: drop flow hash on forward (David Bauer)
- nsh: Restore skb->{protocol,data,mac_header} for outer header in nsh_gso_segment(). (Kuniyuki Iwashima)
- octeontx2-af: avoid off-by-one read from userspace (Bui Quang Minh)
- bna: ensure the copied buf is NUL terminated (Bui Quang Minh)
- ice: ensure the copied buf is NUL terminated (Bui Quang Minh)
- redhat: Use redhatsecureboot701 for ppc64le (Jan Stancek)
- redhat: switch the kernel package to use certs from system-sb-certs (Jan Stancek)
- redhat: replace redhatsecureboot303 signing key with redhatsecureboot601 (Jan Stancek)
- redhat: drop certificates that were deprecated after GRUB's BootHole flaw (Jan Stancek)
- redhat: correct file name of redhatsecurebootca1 (Jan Stancek)
- redhat: align file names with names of signing keys for ppc and s390 (Jan Stancek)
- regulator: change devm_regulator_get_enable_optional() stub to return Ok (Matti Vaittinen)
- regulator: change stubbed devm_regulator_get_enable to return Ok (Matti Vaittinen)
- regulator: vqmmc-ipq4019: fix module autoloading (Krzysztof Kozlowski)
- regulator: qcom-refgen: fix module autoloading (Krzysztof Kozlowski)
- regulator: mt6360: De-capitalize devicetree regulator subnodes (AngeloGioacchino Del Regno)
- regulator: irq_helpers: duplicate IRQ name (Matti Vaittinen)
- KVM: selftests: Add test for uaccesses to non-existent vgic-v2 CPUIF (Oliver Upton)
- KVM: arm64: vgic-v2: Check for non-NULL vCPU in vgic_v2_parse_attr() (Oliver Upton)
- power: supply: mt6360_charger: Fix of_match for usb-otg-vbus regulator (AngeloGioacchino Del Regno)
- power: rt9455: hide unused rt9455_boost_voltage_values (Arnd Bergmann)
- platform/x86: ISST: Add Grand Ridge to HPM CPU list (Srinivas Pandruvada)
- pinctrl: baytrail: Add pinconf group for uart3 (Hans de Goede)
- pinctrl: baytrail: Fix selecting gpio pinctrl state (Hans de Goede)
- pinctrl: renesas: rzg2l: Configure the interrupt type on resume (Claudiu Beznea)
- pinctrl: renesas: rzg2l: Execute atomically the interrupt configuration (Claudiu Beznea)
- dt-bindings: pinctrl: renesas,rzg2l-pinctrl: Allow 'input' and 'output-enable' properties (Lad Prabhakar)
- pinctrl: devicetree: fix refcount leak in pinctrl_dt_to_map() (Zeng Heng)
- pinctrl: mediatek: paris: Rework support for PIN_CONFIG_{INPUT,OUTPUT}_ENABLE (Chen-Yu Tsai)
- pinctrl: mediatek: paris: Fix PIN_CONFIG_INPUT_SCHMITT_ENABLE readback (Chen-Yu Tsai)
- pinctrl: core: delete incorrect free in pinctrl_enable() (Dan Carpenter)
- pinctrl/meson: fix typo in PDM's pin name (Jan Dakinevich)
- pinctrl: pinctrl-aspeed-g6: Fix register offset for pinconf of GPIOR-T (Billy Tsai)
- redhat/configs: Enable CONFIG_DM_VDO in RHEL (Benjamin Marzinski)
- redhat/configs: Enable DRM_NOUVEAU_GSP_DEFAULT everywhere (Neal Gompa)
- v6.9-rc6-rt3 (Sebastian Andrzej Siewior)
- cxgb4: Properly lock TX queue for the selftest. (Sebastian Andrzej Siewior)
- i915: Disable tracepoints (again). (Sebastian Andrzej Siewior)
- v6.9-rc6-rt2 (Sebastian Andrzej Siewior)
- workqueue: Fix divide error in wq_update_node_max_active() (Lai Jiangshan)
- workqueue: The default node_nr_active should have its max set to max_active (Tejun Heo)
- workqueue: Fix selection of wake_cpu in kick_pool() (Sven Schnelle)
- docs/zh_CN: core-api: Update translation of workqueue.rst to 6.9-rc1 (Xingyou Chen)
- Documentation/core-api: Update events_freezable_power references. (Audra Mitchell)
- scsi: sd: Only print updates to permanent stream count (John Garry)
- NFSD: Fix nfsd4_encode_fattr4() crasher (Chuck Lever)
- nfs: Handle error of rpc_proc_register() in nfs_net_init(). (Kuniyuki Iwashima)
- SUNRPC: add a missing rpc_stat for TCP TLS (Olga Kornievskaia)
- bcachefs: fix integer conversion bug (Kent Overstreet)
- bcachefs: btree node scan now fills in sectors_written (Kent Overstreet)
- bcachefs: Remove accidental debug assert (Kent Overstreet)
- erofs: reliably distinguish block based and fscache mode (Christian Brauner)
- erofs: get rid of erofs_fs_context (Baokun Li)
- erofs: modify the error message when prepare_ondemand_read failed (Hongbo Li)
- bounds: Use the right number of bits for power-of-two CONFIG_NR_CPUS (Matthew Wilcox (Oracle))
- kernel.spec: adjust for livepatching kselftests (Joe Lawrence)
- redhat/configs: remove CONFIG_TEST_LIVEPATCH (Joe Lawrence)
- Turn on CONFIG_RANDOM_KMALLOC_CACHES for Fedora (Justin M. Forbes)
- Set Fedora configs for 6.9 (Justin M. Forbes)
Resolves: RHEL-29722
Signed-off-by: Jan Stancek <jstancek@redhat.com>
964 B
964 B