299393757d
* refs/heads/tmp-cab4399: Linux 4.19.47 NFS: Fix a double unlock from nfs_match,get_client drm/sun4i: dsi: Enforce boundaries on the start delay vfio-ccw: Prevent quiesce function going into an infinite loop drm/sun4i: dsi: Change the start delay calculation drm: Wake up next in drm_read() chain if we are forced to putback the event drm/drv: Hold ref on parent device during drm_device lifetime drm/v3d: Handle errors from IRQ setup. ASoC: davinci-mcasp: Fix clang warning without CONFIG_PM spi: Fix zero length xfer bug spi: imx: stop buffer overflow in RX FIFO flush spi: rspi: Fix sequencer reset during initialization drm/omap: dsi: Fix PM for display blank with paired dss_pll calls spi : spi-topcliff-pch: Fix to handle empty DMA buffers scsi: lpfc: Fix SLI3 commands being issued on SLI4 devices media: saa7146: avoid high stack usage with clang scsi: lpfc: Fix fc4type information for FDMI scsi: lpfc: Fix FDMI manufacturer attribute value media: vimc: zero the media_device on probe media: go7007: avoid clang frame overflow warning with KASAN media: gspca: do not resubmit URBs when streaming has stopped media: vimc: stream: fix thread state before sleep scsi: ufs: fix a missing check of devm_reset_control_get drm/amd/display: Set stream->mode_changed when connectors change drm/amd/display: Fix Divide by 0 in memory calculations media: staging: davinci_vpfe: disallow building with COMPILE_TEST media: m88ds3103: serialize reset messages in m88ds3103_set_frontend media: dvbsky: Avoid leaking dvb frontend media: si2165: fix a missing check of return value igb: Exclude device from suspend direct complete optimization tinydrm/mipi-dbi: Use dma-safe buffers for all SPI transfers e1000e: Disable runtime PM on CNP+ thunderbolt: property: Fix a NULL pointer dereference drm/amd/display: fix releasing planes when exiting odm thunderbolt: Fix to check for kmemdup failure thunderbolt: Fix to check return value of ida_simple_get hwrng: omap - Set default quality dmaengine: tegra210-adma: use devm_clk_*() helpers batman-adv: allow updating DAT entry timeouts on incoming ARP Replies selinux: avoid uninitialized variable warning scsi: lpfc: avoid uninitialized variable warning scsi: qla4xxx: avoid freeing unallocated dma memory usb: core: Add PM runtime calls to usb_hcd_platform_shutdown rcuperf: Fix cleanup path for invalid perf_type strings x86/mce: Handle varying MCA bank counts rcutorture: Fix cleanup path for invalid torture_type strings x86/mce: Fix machine_check_poll() tests for error types overflow: Fix -Wtype-limits compilation warnings tty: ipwireless: fix missing checks for ioremap virtio_console: initialize vtermno value for ports scsi: qedf: Add missing return in qedf_post_io_req() in the fcport offload check timekeeping: Force upper bound for setting CLOCK_REALTIME thunderbolt: Fix to check the return value of kmemdup thunderbolt: property: Fix a missing check of kzalloc efifb: Omit memory map check on legacy boot media: gspca: Kill URBs on USB device disconnect media: wl128x: prevent two potential buffer overflows media: video-mux: fix null pointer dereferences kobject: Don't trigger kobject_uevent(KOBJ_REMOVE) twice. spi: tegra114: reset controller on probe HID: logitech-hidpp: change low battery level threshold from 31 to 30 percent cxgb3/l2t: Fix undefined behaviour ASoC: fsl_utils: fix a leaked reference by adding missing of_node_put ASoC: eukrea-tlv320: fix a leaked reference by adding missing of_node_put HID: core: move Usage Page concatenation to Main item sh: sh7786: Add explicit I/O cast to sh7786_mm_sel() RDMA/hns: Fix bad endianess of port_pd variable chardev: add additional check for minor range overlap x86/uaccess: Fix up the fixup x86/ia32: Fix ia32_restore_sigcontext() AC leak x86/uaccess, signal: Fix AC=1 bloat x86/uaccess, ftrace: Fix ftrace_likely_update() vs. SMAP wil6210: fix return code of wmi_mgmt_tx and wmi_mgmt_tx_ext arm64: cpu_ops: fix a leaked reference by adding missing of_node_put drm/panel: otm8009a: Add delay at the end of initialization scsi: ufs: Avoid configuring regulator with undefined voltage range scsi: ufs: Fix regulator load and icc-level configuration rtlwifi: fix potential NULL pointer dereference rtc: xgene: fix possible race condition brcmfmac: fix Oops when bringing up interface during USB disconnect brcmfmac: fix race during disconnect when USB completion is in progress brcmfmac: fix WARNING during USB disconnect in case of unempty psq brcmfmac: convert dev_init_lock mutex to completion b43: shut up clang -Wuninitialized variable warning brcmfmac: fix missing checks for kmemdup mwifiex: Fix mem leak in mwifiex_tm_cmd rtlwifi: fix a potential NULL pointer dereference selftests/bpf: ksym_search won't check symbols exists iio: adc: ti-ads7950: Fix improper use of mlock iio: common: ssp_sensors: Initialize calculated_time in ssp_common_process_data iio: hmc5843: fix potential NULL pointer dereferences iio: ad_sigma_delta: Properly handle SPI bus locking vs CS assertion drm/pl111: fix possible object reference leak x86/build: Keep local relocations with ld.lld block: sed-opal: fix IOC_OPAL_ENABLE_DISABLE_MBR cpufreq: kirkwood: fix possible object reference leak cpufreq: pmac32: fix possible object reference leak cpufreq/pasemi: fix possible object reference leak cpufreq: ppc_cbe: fix possible object reference leak qmi_wwan: Add quirk for Quectel dynamic config selftests: cgroup: fix cleanup path in test_memcg_subtree_control() s390: cio: fix cio_irb declaration s390/mm: silence compiler warning when compiling without CONFIG_PGSTE x86/microcode: Fix the ancient deprecated microcode loading method s390: zcrypt: initialize variables before_use clk: rockchip: Make rkpwm a critical clock on rk3288 extcon: arizona: Disable mic detect if running when driver is removed clk: rockchip: Fix video codec clocks on rk3288 PM / core: Propagate dev->power.wakeup_path when no callbacks drm/amdgpu: fix old fence check in amdgpu_fence_emit mmc: sdhci-of-esdhc: add erratum eSDHC-A001 and A-008358 support mmc: sdhci-of-esdhc: add erratum A-009204 support mmc: sdhci-of-esdhc: add erratum eSDHC5 support mmc_spi: add a status check for spi_sync_locked mmc: core: make pwrseq_emmc (partially) support sleepy GPIO controllers scsi: libsas: Do discovery on empty PHY to update PHY info hwmon: (f71805f) Use request_muxed_region for Super-IO accesses hwmon: (pc87427) Use request_muxed_region for Super-IO accesses hwmon: (smsc47b397) Use request_muxed_region for Super-IO accesses hwmon: (smsc47m1) Use request_muxed_region for Super-IO accesses hwmon: (vt1211) Use request_muxed_region for Super-IO accesses perf/x86/intel/cstate: Add Icelake support perf/x86/intel/rapl: Add Icelake support perf/x86/msr: Add Icelake support RDMA/cxgb4: Fix null pointer dereference on alloc_skb failure arm64: vdso: Fix clock_getres() for CLOCK_REALTIME ACPI/IORT: Reject platform device creation on NUMA node mapping failure i40e: don't allow changes to HW VLAN stripping on active port VLANs i40e: Able to add up to 16 MAC filters on an untrusted VF phy: mapphone-mdm6600: add gpiolib dependency phy: sun4i-usb: Make sure to disable PHY0 passby for peripheral mode drm: etnaviv: avoid DMA API warning when importing buffers x86/irq/64: Limit IST stack overflow check to #DB stack USB: core: Don't unbind interfaces following device reset failure s390/qeth: handle error from qeth_update_from_chp_desc() thunderbolt: Take domain lock in switch sysfs attribute callbacks irq_work: Do not raise an IPI when queueing work on the local CPU drm/msm: a5xx: fix possible object reference leak staging: vc04_services: handle kzalloc failure sched/core: Handle overflow in cpu_shares_write_u64 sched/rt: Check integer overflow at usec to nsec conversion sched/core: Check quota and period overflow at usec to nsec conversion cgroup: protect cgroup->nr_(dying_)descendants by css_set_lock random: add a spinlock_t to struct batched_entropy random: fix CRNG initialization when random.trust_cpu=1 powerpc/64: Fix booting large kernels with STRICT_KERNEL_RWX powerpc/numa: improve control of topology updates block: fix use-after-free on gendisk iio: adc: stm32-dfsdm: fix unmet direct dependencies detected media: pvrusb2: Prevent a buffer overflow media: au0828: Fix NULL pointer dereference in au0828_analog_stream_enable() media: stm32-dcmi: fix crash when subdev do not expose any formats audit: fix a memory leak bug media: ov2659: make S_FMT succeed even if requested format doesn't match media: au0828: stop video streaming only when last user stops media: ov6650: Move v4l2_clk_get() to ov6650_video_probe() helper media: coda: clear error return value before picture run dmaengine: at_xdmac: remove BUG_ON macro in tasklet perf/arm-cci: Remove broken race mitigation clk: rockchip: undo several noc and special clocks as critical on rk3288 pinctrl: samsung: fix leaked of_node references pinctrl: pistachio: fix leaked of_node references HID: logitech-hidpp: use RAP instead of FAP to get the protocol version Bluetooth: hci_qca: Give enough time to ROME controller to bootup. mm/uaccess: Use 'unsigned long' to placate UBSAN warnings on older GCC versions x86/mm: Remove in_nmi() warning from 64-bit implementation of vmalloc_fault() smpboot: Place the __percpu annotation correctly x86/build: Move _etext to actual end of .text vfio-ccw: Release any channel program when releasing/removing vfio-ccw mdev vfio-ccw: Do not call flush_workqueue while holding the spinlock RDMA/cma: Consider scope_id while binding to ipv6 ll address bcache: avoid clang -Wunintialized warning bcache: add failure check to run_cache_set() for journal replay bcache: fix failure in journal relplay bcache: return error immediately in bch_journal_replay() bcache: avoid potential memleak of list of journal_replay(s) in the CACHE_SYNC branch of run_cache_set crypto: sun4i-ss - Fix invalid calculation of hash end nvme-rdma: fix a NULL deref when an admin connect times out nvme: set 0 capacity if namespace block size exceeds PAGE_SIZE net: cw1200: fix a NULL pointer dereference rsi: Fix NULL pointer dereference in kmalloc mwifiex: prevent an array overflow ASoC: fsl_sai: Update is_slave_mode with correct value slimbus: fix a potential NULL pointer dereference in of_qcom_slim_ngd_register libbpf: fix samples/bpf build failure due to undefined UINT32_MAX mac80211/cfg80211: update bss channel on channel switch dmaengine: pl330: _stop: clear interrupt status s390: qeth: address type mismatch warning w1: fix the resume command API sched/nohz: Run NOHZ idle load balancer on HK_FLAG_MISC CPUs s390/kexec_file: Fix detection of text segment in ELF loader scsi: qedi: Abort ep termination if offload not scheduled rtc: stm32: manage the get_irq probe defer case rtc: 88pm860x: prevent use-after-free on device remove iwlwifi: pcie: don't crash on invalid RX interrupt btrfs: Don't panic when we can't find a root key btrfs: fix panic during relocation after ENOSPC before writeback happens Btrfs: fix data bytes_may_use underflow with fallocate due to failed quota reserve x86/modules: Avoid breaking W^X while loading modules scsi: qla2xxx: Fix hardirq-unsafe locking scsi: qla2xxx: Avoid that lockdep complains about unsafe locking in tcm_qla2xxx_close_session() scsi: qla2xxx: Fix abort handling in tcm_qla2xxx_write_pending() scsi: qla2xxx: Fix a qla24xx_enable_msix() error path sched/cpufreq: Fix kobject memleak powerpc/watchdog: Use hrtimers for per-CPU heartbeat arm64: Fix compiler warning from pte_unmap() with -Wunused-but-set-variable ARM: vdso: Remove dependency with the arch_timer driver internals media: stm32-dcmi: return appropriate error codes during probe drm/nouveau/bar/nv50: ensure BAR is mapped ACPI / property: fix handling of data_nodes in acpi_get_next_subnode() brcm80211: potential NULL dereference in brcmf_cfg80211_vndr_cmds_dcmd_handler() spi: pxa2xx: fix SCR (divisor) calculation ASoC: imx: fix fiq dependencies powerpc/perf: Fix loop exit condition in nest_imc_event_init powerpc/boot: Fix missing check of lseek() return value powerpc/perf: Return accordingly on invalid chip-id in ASoC: hdmi-codec: unlock the device on startup errors usb: dwc3: move synchronize_irq() out of the spinlock protected block usb: dwc2: gadget: Increase descriptors count for ISOC's ASoC: Intel: kbl_da7219_max98357a: Map BTN_0 to KEY_PLAYPAUSE pinctrl: zte: fix leaked of_node references Bluetooth: Ignore CC events not matching the last HCI command hv_netvsc: fix race that may miss tx queue wakeup net: ena: gcc 8: fix compilation warning dmaengine: tegra210-dma: free dma controller in remove() bpftool: exclude bash-completion/bpftool from .gitignore pattern selftests/bpf: set RLIMIT_MEMLOCK properly for test_libbpf_open.c tools/bpf: fix perf build error with uClibc (seen on ARC) mmc: core: Verify SD bus width gfs2: Fix occasional glock use-after-free IB/hfi1: Fix WQ_MEM_RECLAIM warning NFS: make nfs_match_client killable cxgb4: Fix error path in cxgb4_init_module gfs2: Fix lru_count going negative Revert "btrfs: Honour FITRIM range constraints during free space trim" acct_on(): don't mess with freeze protection at76c50x-usb: Don't register led_trigger if usb_register_driver failed batman-adv: mcast: fix multicast tt/tvlv worker locking bpf: devmap: fix use-after-free Read in __dev_map_entry_free ssb: Fix possible NULL pointer dereference in ssb_host_pcmcia_exit media: vivid: use vfree() instead of kfree() for dev->bitmap_cap media: vb2: add waiting_in_dqbuf flag media: serial_ir: Fix use-after-free in serial_ir_init_module media: cpia2: Fix use-after-free in cpia2_exit fbdev: fix WARNING in __alloc_pages_nodemask bug ovl: relax WARN_ON() for overlapping layers use case btrfs: honor path->skip_locking in backref code arm64: errata: Add workaround for Cortex-A76 erratum #1463225 brcmfmac: add subtype check for event handling in data path brcmfmac: assure SSID length from firmware is limited bpf: add bpf_jit_limit knob to restrict unpriv allocations NFSv4.1 fix incorrect return value in copy_file_range NFSv4.2 fix unnecessary retry in nfs4_copy_file_range fbdev: fix divide error in fb_var_to_videomode udlfb: fix some inconsistent NULL checking btrfs: sysfs: don't leak memory when failing add fsid btrfs: sysfs: Fix error path kobject memory leak Btrfs: fix race between ranged fsync and writeback of adjacent ranges Btrfs: avoid fallback to transaction commit during fsync of files with holes Btrfs: do not abort transaction at btrfs_update_root() after failure to COW path btrfs: don't double unlock on error in btrfs_punch_hole gfs2: Fix sign extension bug in gfs2_update_stats arm64/iommu: handle non-remapped addresses in ->mmap and ->get_sgtable arm64/kernel: kaslr: reduce module randomization range to 2 GB libnvdimm/pmem: Bypass CONFIG_HARDENED_USERCOPY overhead kvm: svm/avic: fix off-by-one in checking host APIC ID mmc: sdhci-iproc: Set NO_HISPD bit to fix HS50 data hold time problem mmc: sdhci-iproc: cygnus: Set NO_HISPD bit to fix HS50 data hold time problem crypto: vmx - CTR: always increment IV as quadword Revert "scsi: sd: Keep disk read-only when re-reading partition" sbitmap: fix improper use of smp_mb__before_atomic() bio: fix improper use of smp_mb__before_atomic() KVM: x86: fix return value for reserved EFER f2fs: Fix use of number of devices ext4: wait for outstanding dio during truncate in nojournal mode ext4: do not delete unlinked inode from orphan list on failed truncate x86: Hide the int3_emulate_call/jmp functions from UML x86: Hide the int3_emulate_call/jmp functions from UML f2fs: link f2fs quota ops for sysfile Conflicts: arch/arm64/Kconfig arch/arm64/include/asm/cpucaps.h arch/arm64/include/asm/cputype.h arch/arm64/include/asm/pgtable.h arch/arm64/kernel/cpu_errata.c arch/arm64/mm/dma-mapping.c arch/x86/include/asm/text-patching.h drivers/scsi/ufs/ufshcd.c drivers/slimbus/qcom-ngd-ctrl.c kernel/sched/fair.c Change-Id: Ie70cae851ffdbac1b9dbf611fc361c275f4826fd Signed-off-by: Ivaylo Georgiev <irgeorgiev@codeaurora.org> |
||
|---|---|---|
| .. | ||
| 00-INDEX | ||
| abi.txt | ||
| fs.txt | ||
| kernel.txt | ||
| net.txt | ||
| README | ||
| sunrpc.txt | ||
| user.txt | ||
| vm.txt | ||
Documentation for /proc/sys/ kernel version 2.2.10 (c) 1998, 1999, Rik van Riel <riel@nl.linux.org> 'Why', I hear you ask, 'would anyone even _want_ documentation for them sysctl files? If anybody really needs it, it's all in the source...' Well, this documentation is written because some people either don't know they need to tweak something, or because they don't have the time or knowledge to read the source code. Furthermore, the programmers who built sysctl have built it to be actually used, not just for the fun of programming it :-) ============================================================== Legal blurb: As usual, there are two main things to consider: 1. you get what you pay for 2. it's free The consequences are that I won't guarantee the correctness of this document, and if you come to me complaining about how you screwed up your system because of wrong documentation, I won't feel sorry for you. I might even laugh at you... But of course, if you _do_ manage to screw up your system using only the sysctl options used in this file, I'd like to hear of it. Not only to have a great laugh, but also to make sure that you're the last RTFMing person to screw up. In short, e-mail your suggestions, corrections and / or horror stories to: <riel@nl.linux.org> Rik van Riel. ============================================================== Introduction: Sysctl is a means of configuring certain aspects of the kernel at run-time, and the /proc/sys/ directory is there so that you don't even need special tools to do it! In fact, there are only four things needed to use these config facilities: - a running Linux system - root access - common sense (this is especially hard to come by these days) - knowledge of what all those values mean As a quick 'ls /proc/sys' will show, the directory consists of several (arch-dependent?) subdirs. Each subdir is mainly about one part of the kernel, so you can do configuration on a piece by piece basis, or just some 'thematic frobbing'. The subdirs are about: abi/ execution domains & personalities debug/ <empty> dev/ device specific information (eg dev/cdrom/info) fs/ specific filesystems filehandle, inode, dentry and quota tuning binfmt_misc <Documentation/admin-guide/binfmt-misc.rst> kernel/ global kernel info / tuning miscellaneous stuff net/ networking stuff, for documentation look in: <Documentation/networking/> proc/ <empty> sunrpc/ SUN Remote Procedure Call (NFS) vm/ memory management tuning buffer and cache management user/ Per user per user namespace limits These are the subdirs I have on my system. There might be more or other subdirs in another setup. If you see another dir, I'd really like to hear about it :-)