mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-28 07:13:34 +00:00
90c90cda05
- Fix a potential log livelock on busy filesystems when there's so much work going on that we can't finish a quotaoff before filling up the log by removing the ability to disable quota accounting. - Introduce the ability to use per-CPU data structures in XFS so that we can do a better job of maintaining CPU locality for certain operations. - Defer inode inactivation work to per-CPU lists, which will help us batch that processing. Deletions of large sparse files will *appear* to run faster, but all that means is that we've moved the work to the backend. - Drop the EXPERIMENTAL warnings from the y2038+ support and the inode btree counters, since it's been nearly a year and no complaints have come in. - Remove more of our bespoke kmem* variants in favor of using the standard Linux calls. - Prepare for the addition of log incompat features in upcoming cycles by actually adding code to support this. - Small cleanups of the xattr code in preparation for landing support for full logging of extended attribute updates in a future cycle. - Replace the various log shutdown state and flag code all over xfs with a single atomic bit flag. - Fix a serious log recovery bug where log item replay can be skipped based on the start lsn of a transaction even though the transaction commit lsn is the key data point for that by enforcing start lsns to appear in the log in the same order as commit lsns. - Enable pipelining in the code that pushes log items to disk. - Drop ->writepage. - Fix some bugs in GETFSMAP where the last fsmap record reported for a device could extend beyond the end of the device, and a separate bug where query keys for one device could be applied to another. - Don't let GETFSMAP query functions edit their input parameters. - Small cleanups to the scrub code's handling of perag structures. - Small cleanups to the incore inode tree walk code. - Constify btree function parameters that aren't changed, so that there will never again be confusion about range query functions changing their input parameters. - Standardize the format and names of tracepoint data attributes. - Clean up all the mount state and feature flags to use wrapped bitset functions instead of inconsistently open-coded flag checks. - Fix some confusion between xfs_buf hash table key variable vs. block number. - Fix a mis-interaction with iomap where we reported shared delalloc cow fork extents to iomap, which would cause the iomap unshare operation to return IO errors unnecessarily. - Fix DONTCACHE behavior. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEUzaAxoMeQq6m2jMV+H93GTRKtOsFAmEnwqcACgkQ+H93GTRK tOtpZg/9G1RD9oDbVhKJy67bxkeLPX990dUtQFhcVjL3AMMyCJez2PBTqkQY3tL9 WDQveIF0UL5TjP5QUO2/6fncIXBmf5yXtinkfeQwkvkStb/yxs10zlpn2ZDEvJ7H EUWwkV3cBY6Q+ftJIfXJmNW6eCcaxYs6KFiBwodbcoBxy2dIx6KFBQuqwtxOA97s ZYfv1mPGOIg6AVJN9oxFWtF36qM8loFDNQeZj1ATfCsP25VNHbQf7YOFnJEnwLOB rzz2zKQ3lP0hWavA6M2lX+IGymDphngx7qe4lZYcjAsh2BzL0IZf0QmFrXGQKuY/ kD0dWeStM8OHQbqCdkYx4XxcjucvJ7qmIYCtrWdpFqrrrQHygaJW6nI8LgsNTdvb OPXpPPz58jdGY3ATaRYX/IFmpJExj655ZHUfpkeVGacBTa5KCVDykYKv1eYOfNsk Aj+bZ4g++bx3dlGFHGsPScRn+hwg5h/+UyQJpAYupuaUsq3rpBhH/bhAJNyPUsYu ej8LIeAWB3EPLozT4ewop8G0WWDBOe0MlYeO5gQho2AfFZzFInf15cSR62KZqx+v XTZgITnnp0ND4wzgqAhgdU4USS9z5MtHGvhSkuYejg85R/bKirrwRu2P0n681sHv UioiIVbXGWSAJqDQicfSjncafS3POIAUmMt4tgmDI33/3mTKwZQ= =HPJr -----END PGP SIGNATURE----- Merge tag 'xfs-5.15-merge-6' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux Pull xfs updates from Darrick Wong: "There's a lot in this cycle. Starting with bug fixes: To avoid livelocks between the logging code and the quota code, we've disabled the ability of quotaoff to turn off quota accounting. (Admins can still disable quota enforcement, but truly turning off accounting requires a remount.) We've tried to do this in a careful enough way that there shouldn't be any user visible effects aside from quotaoff no longer randomly hanging the system. We've also fixed some bugs in runtime log behavior that could trip up log recovery if (otherwise unrelated) transactions manage to start and commit concurrently; some bugs in the GETFSMAP ioctl where we would incorrectly restrict the range of records output if the two xfs devices are of different sizes; a bug that resulted in fallocate funshare failing unnecessarily; and broken behavior in the xfs inode cache when DONTCACHE is in play. As for new features: we now batch inode inactivations in percpu background threads, which sharply decreases frontend thread wait time when performing file deletions and should improve overall directory tree deletion times. This eliminates both the problem where closing an unlinked file (especially on a frozen fs) can stall for a long time, and should also ease complaints about direct reclaim bogging down on unlinked file cleanup. Starting with this release, we've enabled pipelining of the XFS log. On workloads with high rates of metadata updates to different shards of the filesystem, multiple threads can be used to format committed log updates into log checkpoints. Lastly, with this release, two new features have graduated to supported status: inode btree counters (for faster mounts), and support for dates beyond Y2038. Expect these to be enabled by default in a future release of xfsprogs. Summary: - Fix a potential log livelock on busy filesystems when there's so much work going on that we can't finish a quotaoff before filling up the log by removing the ability to disable quota accounting. - Introduce the ability to use per-CPU data structures in XFS so that we can do a better job of maintaining CPU locality for certain operations. - Defer inode inactivation work to per-CPU lists, which will help us batch that processing. Deletions of large sparse files will *appear* to run faster, but all that means is that we've moved the work to the backend. - Drop the EXPERIMENTAL warnings from the y2038+ support and the inode btree counters, since it's been nearly a year and no complaints have come in. - Remove more of our bespoke kmem* variants in favor of using the standard Linux calls. - Prepare for the addition of log incompat features in upcoming cycles by actually adding code to support this. - Small cleanups of the xattr code in preparation for landing support for full logging of extended attribute updates in a future cycle. - Replace the various log shutdown state and flag code all over xfs with a single atomic bit flag. - Fix a serious log recovery bug where log item replay can be skipped based on the start lsn of a transaction even though the transaction commit lsn is the key data point for that by enforcing start lsns to appear in the log in the same order as commit lsns. - Enable pipelining in the code that pushes log items to disk. - Drop ->writepage. - Fix some bugs in GETFSMAP where the last fsmap record reported for a device could extend beyond the end of the device, and a separate bug where query keys for one device could be applied to another. - Don't let GETFSMAP query functions edit their input parameters. - Small cleanups to the scrub code's handling of perag structures. - Small cleanups to the incore inode tree walk code. - Constify btree function parameters that aren't changed, so that there will never again be confusion about range query functions changing their input parameters. - Standardize the format and names of tracepoint data attributes. - Clean up all the mount state and feature flags to use wrapped bitset functions instead of inconsistently open-coded flag checks. - Fix some confusion between xfs_buf hash table key variable vs. block number. - Fix a mis-interaction with iomap where we reported shared delalloc cow fork extents to iomap, which would cause the iomap unshare operation to return IO errors unnecessarily. - Fix DONTCACHE behavior" * tag 'xfs-5.15-merge-6' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (103 commits) xfs: fix I_DONTCACHE xfs: only set IOMAP_F_SHARED when providing a srcmap to a write xfs: fix perag structure refcounting error when scrub fails xfs: rename buffer cache index variable b_bn xfs: convert bp->b_bn references to xfs_buf_daddr() xfs: introduce xfs_buf_daddr() xfs: kill xfs_sb_version_has_v3inode() xfs: introduce xfs_sb_is_v5 helper xfs: remove unused xfs_sb_version_has wrappers xfs: convert xfs_sb_version_has checks to use mount features xfs: convert scrub to use mount-based feature checks xfs: open code sb verifier feature checks xfs: convert xfs_fs_geometry to use mount feature checks xfs: replace XFS_FORCED_SHUTDOWN with xfs_is_shutdown xfs: convert remaining mount flags to state flags xfs: convert mount flags to features xfs: consolidate mount option features in m_features xfs: replace xfs_sb_version checks with feature flag checks xfs: reflect sb features in xfs_mount xfs: rework attr2 feature and mount options ...
422 lines
13 KiB
C
422 lines
13 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __CPUHOTPLUG_H
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#define __CPUHOTPLUG_H
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#include <linux/types.h>
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/*
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* CPU-up CPU-down
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*
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* BP AP BP AP
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*
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* OFFLINE OFFLINE
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* | ^
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* v |
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* BRINGUP_CPU->AP_OFFLINE BRINGUP_CPU <- AP_IDLE_DEAD (idle thread/play_dead)
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* | AP_OFFLINE
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* v (IRQ-off) ,---------------^
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* AP_ONLNE | (stop_machine)
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* | TEARDOWN_CPU <- AP_ONLINE_IDLE
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* | ^
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* v |
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* AP_ACTIVE AP_ACTIVE
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*/
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enum cpuhp_state {
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CPUHP_INVALID = -1,
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CPUHP_OFFLINE = 0,
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CPUHP_CREATE_THREADS,
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CPUHP_PERF_PREPARE,
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CPUHP_PERF_X86_PREPARE,
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CPUHP_PERF_X86_AMD_UNCORE_PREP,
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CPUHP_PERF_POWER,
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CPUHP_PERF_SUPERH,
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CPUHP_X86_HPET_DEAD,
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CPUHP_X86_APB_DEAD,
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CPUHP_X86_MCE_DEAD,
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CPUHP_VIRT_NET_DEAD,
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CPUHP_SLUB_DEAD,
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CPUHP_DEBUG_OBJ_DEAD,
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CPUHP_MM_WRITEBACK_DEAD,
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CPUHP_MM_VMSTAT_DEAD,
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CPUHP_SOFTIRQ_DEAD,
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CPUHP_NET_MVNETA_DEAD,
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CPUHP_CPUIDLE_DEAD,
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CPUHP_ARM64_FPSIMD_DEAD,
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CPUHP_ARM_OMAP_WAKE_DEAD,
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CPUHP_IRQ_POLL_DEAD,
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CPUHP_BLOCK_SOFTIRQ_DEAD,
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CPUHP_BIO_DEAD,
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CPUHP_ACPI_CPUDRV_DEAD,
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CPUHP_S390_PFAULT_DEAD,
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CPUHP_BLK_MQ_DEAD,
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CPUHP_FS_BUFF_DEAD,
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CPUHP_PRINTK_DEAD,
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CPUHP_MM_MEMCQ_DEAD,
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CPUHP_XFS_DEAD,
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CPUHP_PERCPU_CNT_DEAD,
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CPUHP_RADIX_DEAD,
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CPUHP_PAGE_ALLOC,
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CPUHP_NET_DEV_DEAD,
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CPUHP_PCI_XGENE_DEAD,
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CPUHP_IOMMU_IOVA_DEAD,
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CPUHP_LUSTRE_CFS_DEAD,
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CPUHP_AP_ARM_CACHE_B15_RAC_DEAD,
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CPUHP_PADATA_DEAD,
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CPUHP_WORKQUEUE_PREP,
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CPUHP_POWER_NUMA_PREPARE,
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CPUHP_HRTIMERS_PREPARE,
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CPUHP_PROFILE_PREPARE,
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CPUHP_X2APIC_PREPARE,
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CPUHP_SMPCFD_PREPARE,
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CPUHP_RELAY_PREPARE,
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CPUHP_SLAB_PREPARE,
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CPUHP_MD_RAID5_PREPARE,
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CPUHP_RCUTREE_PREP,
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CPUHP_CPUIDLE_COUPLED_PREPARE,
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CPUHP_POWERPC_PMAC_PREPARE,
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CPUHP_POWERPC_MMU_CTX_PREPARE,
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CPUHP_XEN_PREPARE,
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CPUHP_XEN_EVTCHN_PREPARE,
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CPUHP_ARM_SHMOBILE_SCU_PREPARE,
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CPUHP_SH_SH3X_PREPARE,
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CPUHP_NET_FLOW_PREPARE,
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CPUHP_TOPOLOGY_PREPARE,
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CPUHP_NET_IUCV_PREPARE,
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CPUHP_ARM_BL_PREPARE,
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CPUHP_TRACE_RB_PREPARE,
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CPUHP_MM_ZS_PREPARE,
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CPUHP_MM_ZSWP_MEM_PREPARE,
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CPUHP_MM_ZSWP_POOL_PREPARE,
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CPUHP_KVM_PPC_BOOK3S_PREPARE,
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CPUHP_ZCOMP_PREPARE,
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CPUHP_TIMERS_PREPARE,
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CPUHP_MIPS_SOC_PREPARE,
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CPUHP_BP_PREPARE_DYN,
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CPUHP_BP_PREPARE_DYN_END = CPUHP_BP_PREPARE_DYN + 20,
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CPUHP_BRINGUP_CPU,
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CPUHP_AP_IDLE_DEAD,
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CPUHP_AP_OFFLINE,
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CPUHP_AP_SCHED_STARTING,
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CPUHP_AP_RCUTREE_DYING,
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CPUHP_AP_CPU_PM_STARTING,
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CPUHP_AP_IRQ_GIC_STARTING,
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CPUHP_AP_IRQ_HIP04_STARTING,
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CPUHP_AP_IRQ_APPLE_AIC_STARTING,
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CPUHP_AP_IRQ_ARMADA_XP_STARTING,
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CPUHP_AP_IRQ_BCM2836_STARTING,
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CPUHP_AP_IRQ_MIPS_GIC_STARTING,
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CPUHP_AP_IRQ_RISCV_STARTING,
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CPUHP_AP_IRQ_SIFIVE_PLIC_STARTING,
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CPUHP_AP_ARM_MVEBU_COHERENCY,
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CPUHP_AP_MICROCODE_LOADER,
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CPUHP_AP_PERF_X86_AMD_UNCORE_STARTING,
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CPUHP_AP_PERF_X86_STARTING,
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CPUHP_AP_PERF_X86_AMD_IBS_STARTING,
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CPUHP_AP_PERF_X86_CQM_STARTING,
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CPUHP_AP_PERF_X86_CSTATE_STARTING,
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CPUHP_AP_PERF_XTENSA_STARTING,
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CPUHP_AP_MIPS_OP_LOONGSON3_STARTING,
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CPUHP_AP_ARM_SDEI_STARTING,
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CPUHP_AP_ARM_VFP_STARTING,
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CPUHP_AP_ARM64_DEBUG_MONITORS_STARTING,
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CPUHP_AP_PERF_ARM_HW_BREAKPOINT_STARTING,
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CPUHP_AP_PERF_ARM_ACPI_STARTING,
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CPUHP_AP_PERF_ARM_STARTING,
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CPUHP_AP_ARM_L2X0_STARTING,
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CPUHP_AP_EXYNOS4_MCT_TIMER_STARTING,
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CPUHP_AP_ARM_ARCH_TIMER_STARTING,
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CPUHP_AP_ARM_GLOBAL_TIMER_STARTING,
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CPUHP_AP_JCORE_TIMER_STARTING,
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CPUHP_AP_ARM_TWD_STARTING,
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CPUHP_AP_QCOM_TIMER_STARTING,
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CPUHP_AP_TEGRA_TIMER_STARTING,
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CPUHP_AP_ARMADA_TIMER_STARTING,
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CPUHP_AP_MARCO_TIMER_STARTING,
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CPUHP_AP_MIPS_GIC_TIMER_STARTING,
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CPUHP_AP_ARC_TIMER_STARTING,
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CPUHP_AP_RISCV_TIMER_STARTING,
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CPUHP_AP_CLINT_TIMER_STARTING,
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CPUHP_AP_CSKY_TIMER_STARTING,
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CPUHP_AP_TI_GP_TIMER_STARTING,
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CPUHP_AP_HYPERV_TIMER_STARTING,
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CPUHP_AP_KVM_STARTING,
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CPUHP_AP_KVM_ARM_VGIC_INIT_STARTING,
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CPUHP_AP_KVM_ARM_VGIC_STARTING,
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CPUHP_AP_KVM_ARM_TIMER_STARTING,
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/* Must be the last timer callback */
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CPUHP_AP_DUMMY_TIMER_STARTING,
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CPUHP_AP_ARM_XEN_STARTING,
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CPUHP_AP_ARM_CORESIGHT_STARTING,
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CPUHP_AP_ARM_CORESIGHT_CTI_STARTING,
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CPUHP_AP_ARM64_ISNDEP_STARTING,
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CPUHP_AP_SMPCFD_DYING,
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CPUHP_AP_X86_TBOOT_DYING,
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CPUHP_AP_ARM_CACHE_B15_RAC_DYING,
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CPUHP_AP_ONLINE,
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CPUHP_TEARDOWN_CPU,
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CPUHP_AP_ONLINE_IDLE,
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CPUHP_AP_SCHED_WAIT_EMPTY,
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CPUHP_AP_SMPBOOT_THREADS,
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CPUHP_AP_X86_VDSO_VMA_ONLINE,
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CPUHP_AP_IRQ_AFFINITY_ONLINE,
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CPUHP_AP_BLK_MQ_ONLINE,
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CPUHP_AP_ARM_MVEBU_SYNC_CLOCKS,
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CPUHP_AP_X86_INTEL_EPB_ONLINE,
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CPUHP_AP_PERF_ONLINE,
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CPUHP_AP_PERF_X86_ONLINE,
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CPUHP_AP_PERF_X86_UNCORE_ONLINE,
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CPUHP_AP_PERF_X86_AMD_UNCORE_ONLINE,
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CPUHP_AP_PERF_X86_AMD_POWER_ONLINE,
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CPUHP_AP_PERF_X86_RAPL_ONLINE,
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CPUHP_AP_PERF_X86_CQM_ONLINE,
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CPUHP_AP_PERF_X86_CSTATE_ONLINE,
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CPUHP_AP_PERF_X86_IDXD_ONLINE,
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CPUHP_AP_PERF_S390_CF_ONLINE,
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CPUHP_AP_PERF_S390_SF_ONLINE,
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CPUHP_AP_PERF_ARM_CCI_ONLINE,
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CPUHP_AP_PERF_ARM_CCN_ONLINE,
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CPUHP_AP_PERF_ARM_HISI_DDRC_ONLINE,
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CPUHP_AP_PERF_ARM_HISI_HHA_ONLINE,
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CPUHP_AP_PERF_ARM_HISI_L3_ONLINE,
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CPUHP_AP_PERF_ARM_HISI_PA_ONLINE,
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CPUHP_AP_PERF_ARM_HISI_SLLC_ONLINE,
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CPUHP_AP_PERF_ARM_L2X0_ONLINE,
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CPUHP_AP_PERF_ARM_QCOM_L2_ONLINE,
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CPUHP_AP_PERF_ARM_QCOM_L3_ONLINE,
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CPUHP_AP_PERF_ARM_APM_XGENE_ONLINE,
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CPUHP_AP_PERF_ARM_CAVIUM_TX2_UNCORE_ONLINE,
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CPUHP_AP_PERF_POWERPC_NEST_IMC_ONLINE,
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CPUHP_AP_PERF_POWERPC_CORE_IMC_ONLINE,
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CPUHP_AP_PERF_POWERPC_THREAD_IMC_ONLINE,
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CPUHP_AP_PERF_POWERPC_TRACE_IMC_ONLINE,
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CPUHP_AP_PERF_POWERPC_HV_24x7_ONLINE,
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CPUHP_AP_PERF_POWERPC_HV_GPCI_ONLINE,
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CPUHP_AP_PERF_CSKY_ONLINE,
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CPUHP_AP_WATCHDOG_ONLINE,
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CPUHP_AP_WORKQUEUE_ONLINE,
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CPUHP_AP_RCUTREE_ONLINE,
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CPUHP_AP_BASE_CACHEINFO_ONLINE,
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CPUHP_AP_ONLINE_DYN,
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CPUHP_AP_ONLINE_DYN_END = CPUHP_AP_ONLINE_DYN + 30,
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CPUHP_AP_X86_HPET_ONLINE,
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CPUHP_AP_X86_KVM_CLK_ONLINE,
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CPUHP_AP_DTPM_CPU_ONLINE,
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CPUHP_AP_ACTIVE,
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CPUHP_ONLINE,
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};
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int __cpuhp_setup_state(enum cpuhp_state state, const char *name, bool invoke,
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int (*startup)(unsigned int cpu),
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int (*teardown)(unsigned int cpu), bool multi_instance);
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int __cpuhp_setup_state_cpuslocked(enum cpuhp_state state, const char *name,
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bool invoke,
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int (*startup)(unsigned int cpu),
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int (*teardown)(unsigned int cpu),
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bool multi_instance);
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/**
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* cpuhp_setup_state - Setup hotplug state callbacks with calling the callbacks
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* @state: The state for which the calls are installed
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* @name: Name of the callback (will be used in debug output)
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* @startup: startup callback function
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* @teardown: teardown callback function
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*
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* Installs the callback functions and invokes the startup callback on
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* the present cpus which have already reached the @state.
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*/
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static inline int cpuhp_setup_state(enum cpuhp_state state,
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const char *name,
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int (*startup)(unsigned int cpu),
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int (*teardown)(unsigned int cpu))
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{
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return __cpuhp_setup_state(state, name, true, startup, teardown, false);
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}
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static inline int cpuhp_setup_state_cpuslocked(enum cpuhp_state state,
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const char *name,
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int (*startup)(unsigned int cpu),
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int (*teardown)(unsigned int cpu))
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{
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return __cpuhp_setup_state_cpuslocked(state, name, true, startup,
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teardown, false);
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}
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/**
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* cpuhp_setup_state_nocalls - Setup hotplug state callbacks without calling the
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* callbacks
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* @state: The state for which the calls are installed
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* @name: Name of the callback.
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* @startup: startup callback function
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* @teardown: teardown callback function
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*
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* Same as @cpuhp_setup_state except that no calls are executed are invoked
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* during installation of this callback. NOP if SMP=n or HOTPLUG_CPU=n.
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*/
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static inline int cpuhp_setup_state_nocalls(enum cpuhp_state state,
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const char *name,
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int (*startup)(unsigned int cpu),
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int (*teardown)(unsigned int cpu))
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{
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return __cpuhp_setup_state(state, name, false, startup, teardown,
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false);
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}
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static inline int cpuhp_setup_state_nocalls_cpuslocked(enum cpuhp_state state,
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const char *name,
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int (*startup)(unsigned int cpu),
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int (*teardown)(unsigned int cpu))
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{
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return __cpuhp_setup_state_cpuslocked(state, name, false, startup,
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teardown, false);
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}
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/**
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* cpuhp_setup_state_multi - Add callbacks for multi state
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* @state: The state for which the calls are installed
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* @name: Name of the callback.
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* @startup: startup callback function
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* @teardown: teardown callback function
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*
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* Sets the internal multi_instance flag and prepares a state to work as a multi
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* instance callback. No callbacks are invoked at this point. The callbacks are
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* invoked once an instance for this state are registered via
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* @cpuhp_state_add_instance or @cpuhp_state_add_instance_nocalls.
|
|
*/
|
|
static inline int cpuhp_setup_state_multi(enum cpuhp_state state,
|
|
const char *name,
|
|
int (*startup)(unsigned int cpu,
|
|
struct hlist_node *node),
|
|
int (*teardown)(unsigned int cpu,
|
|
struct hlist_node *node))
|
|
{
|
|
return __cpuhp_setup_state(state, name, false,
|
|
(void *) startup,
|
|
(void *) teardown, true);
|
|
}
|
|
|
|
int __cpuhp_state_add_instance(enum cpuhp_state state, struct hlist_node *node,
|
|
bool invoke);
|
|
int __cpuhp_state_add_instance_cpuslocked(enum cpuhp_state state,
|
|
struct hlist_node *node, bool invoke);
|
|
|
|
/**
|
|
* cpuhp_state_add_instance - Add an instance for a state and invoke startup
|
|
* callback.
|
|
* @state: The state for which the instance is installed
|
|
* @node: The node for this individual state.
|
|
*
|
|
* Installs the instance for the @state and invokes the startup callback on
|
|
* the present cpus which have already reached the @state. The @state must have
|
|
* been earlier marked as multi-instance by @cpuhp_setup_state_multi.
|
|
*/
|
|
static inline int cpuhp_state_add_instance(enum cpuhp_state state,
|
|
struct hlist_node *node)
|
|
{
|
|
return __cpuhp_state_add_instance(state, node, true);
|
|
}
|
|
|
|
/**
|
|
* cpuhp_state_add_instance_nocalls - Add an instance for a state without
|
|
* invoking the startup callback.
|
|
* @state: The state for which the instance is installed
|
|
* @node: The node for this individual state.
|
|
*
|
|
* Installs the instance for the @state The @state must have been earlier
|
|
* marked as multi-instance by @cpuhp_setup_state_multi.
|
|
*/
|
|
static inline int cpuhp_state_add_instance_nocalls(enum cpuhp_state state,
|
|
struct hlist_node *node)
|
|
{
|
|
return __cpuhp_state_add_instance(state, node, false);
|
|
}
|
|
|
|
static inline int
|
|
cpuhp_state_add_instance_nocalls_cpuslocked(enum cpuhp_state state,
|
|
struct hlist_node *node)
|
|
{
|
|
return __cpuhp_state_add_instance_cpuslocked(state, node, false);
|
|
}
|
|
|
|
void __cpuhp_remove_state(enum cpuhp_state state, bool invoke);
|
|
void __cpuhp_remove_state_cpuslocked(enum cpuhp_state state, bool invoke);
|
|
|
|
/**
|
|
* cpuhp_remove_state - Remove hotplug state callbacks and invoke the teardown
|
|
* @state: The state for which the calls are removed
|
|
*
|
|
* Removes the callback functions and invokes the teardown callback on
|
|
* the present cpus which have already reached the @state.
|
|
*/
|
|
static inline void cpuhp_remove_state(enum cpuhp_state state)
|
|
{
|
|
__cpuhp_remove_state(state, true);
|
|
}
|
|
|
|
/**
|
|
* cpuhp_remove_state_nocalls - Remove hotplug state callbacks without invoking
|
|
* teardown
|
|
* @state: The state for which the calls are removed
|
|
*/
|
|
static inline void cpuhp_remove_state_nocalls(enum cpuhp_state state)
|
|
{
|
|
__cpuhp_remove_state(state, false);
|
|
}
|
|
|
|
static inline void cpuhp_remove_state_nocalls_cpuslocked(enum cpuhp_state state)
|
|
{
|
|
__cpuhp_remove_state_cpuslocked(state, false);
|
|
}
|
|
|
|
/**
|
|
* cpuhp_remove_multi_state - Remove hotplug multi state callback
|
|
* @state: The state for which the calls are removed
|
|
*
|
|
* Removes the callback functions from a multi state. This is the reverse of
|
|
* cpuhp_setup_state_multi(). All instances should have been removed before
|
|
* invoking this function.
|
|
*/
|
|
static inline void cpuhp_remove_multi_state(enum cpuhp_state state)
|
|
{
|
|
__cpuhp_remove_state(state, false);
|
|
}
|
|
|
|
int __cpuhp_state_remove_instance(enum cpuhp_state state,
|
|
struct hlist_node *node, bool invoke);
|
|
|
|
/**
|
|
* cpuhp_state_remove_instance - Remove hotplug instance from state and invoke
|
|
* the teardown callback
|
|
* @state: The state from which the instance is removed
|
|
* @node: The node for this individual state.
|
|
*
|
|
* Removes the instance and invokes the teardown callback on the present cpus
|
|
* which have already reached the @state.
|
|
*/
|
|
static inline int cpuhp_state_remove_instance(enum cpuhp_state state,
|
|
struct hlist_node *node)
|
|
{
|
|
return __cpuhp_state_remove_instance(state, node, true);
|
|
}
|
|
|
|
/**
|
|
* cpuhp_state_remove_instance_nocalls - Remove hotplug instance from state
|
|
* without invoking the teardown callback
|
|
* @state: The state from which the instance is removed
|
|
* @node: The node for this individual state.
|
|
*
|
|
* Removes the instance without invoking the teardown callback.
|
|
*/
|
|
static inline int cpuhp_state_remove_instance_nocalls(enum cpuhp_state state,
|
|
struct hlist_node *node)
|
|
{
|
|
return __cpuhp_state_remove_instance(state, node, false);
|
|
}
|
|
|
|
#ifdef CONFIG_SMP
|
|
void cpuhp_online_idle(enum cpuhp_state state);
|
|
#else
|
|
static inline void cpuhp_online_idle(enum cpuhp_state state) { }
|
|
#endif
|
|
|
|
#endif
|