c19ae10e64
Changes in 4.9.226 ax25: fix setsockopt(SO_BINDTODEVICE) net: ipip: fix wrong address family in init error path net: revert "net: get rid of an signed integer overflow in ip_idents_reserve()" net sched: fix reporting the first-time use timestamp sctp: Start shutdown on association restart if in SHUTDOWN-SENT state and socket is closed net/mlx5e: Update netdev txq on completions during closure net: qrtr: Fix passing invalid reference to qrtr_local_enqueue() net/mlx5: Add command entry handling completion net: sun: fix missing release regions in cas_init_one(). net/mlx4_core: fix a memory leak bug. uapi: fix linux/if_pppol2tp.h userspace compilation errors IB/cma: Fix reference count leak when no ipv4 addresses are set gpio: tegra: mask GPIO IRQs during IRQ shutdown net: microchip: encx24j600: add missed kthread_stop gfs2: move privileged user check to gfs2_quota_lock_check cachefiles: Fix race between read_waiter and read_copier involving op->to_do usb: gadget: legacy: fix redundant initialization warnings cifs: Fix null pointer check in cifs_read Input: usbtouchscreen - add support for BonXeon TP Input: evdev - call input_flush_device() on release(), not flush() Input: xpad - add custom init packet for Xbox One S controllers Input: i8042 - add ThinkPad S230u to i8042 reset list Input: synaptics-rmi4 - fix error return code in rmi_driver_probe() IB/qib: Call kobject_put() when kobject_init_and_add() fails ARM: dts: imx: Correct B850v3 clock assignment ARM: dts: imx6q-bx50v3: Add internal switch ARM: dts/imx6q-bx50v3: Set display interface clock parents ALSA: hwdep: fix a left shifting 1 by 31 UB bug ALSA: usb-audio: mixer: volume quirk for ESS Technology Asus USB DAC exec: Always set cap_ambient in cap_bprm_set_creds libceph: ignore pool overlay and cache logic on redirects mm: remove VM_BUG_ON(PageSlab()) from page_mapcount() fs/binfmt_elf.c: allocate initialized memory in fill_thread_core_info() include/asm-generic/topology.h: guard cpumask_of_node() macro argument iommu: Fix reference count leak in iommu_group_alloc. parisc: Fix kernel panic in mem_init() mac80211: mesh: fix discovery timer re-arming issue / crash x86/dma: Fix max PFN arithmetic overflow on 32 bit systems xfrm: allow to accept packets with ipv6 NEXTHDR_HOP in xfrm_input xfrm: fix a warning in xfrm_policy_insert_list xfrm: fix a NULL-ptr deref in xfrm_local_error vti4: eliminated some duplicate code. ip_vti: receive ipip packet by calling ip_tunnel_rcv netfilter: nft_reject_bridge: enable reject with bridge vlan netfilter: ipset: Fix subcounter update skip netfilter: nf_conntrack_pptp: prevent buffer overflows in debug code qlcnic: fix missing release in qlcnic_83xx_interrupt_test. bonding: Fix reference count leak in bond_sysfs_slave_add. netfilter: nf_conntrack_pptp: fix compilation warning with W=1 build genirq/generic_pending: Do not lose pending affinity update net: rtnl_configure_link: fix dev flags changes arg to __dev_notify_flags mm/vmalloc.c: don't dereference possible NULL pointer in __vunmap() sc16is7xx: move label 'err_spi' to correct section net: hns: Fixes the missing put_device in positive leg for roce reset scsi: zfcp: fix request object use-after-free in send path causing wrong traces Linux 4.9.226 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I64b95b6296df8de22f3f7ee64b13140f04215478
92 lines
2.2 KiB
C
92 lines
2.2 KiB
C
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#include <linux/irq.h>
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#include <linux/interrupt.h>
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#include "internals.h"
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void irq_move_masked_irq(struct irq_data *idata)
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{
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struct irq_desc *desc = irq_data_to_desc(idata);
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struct irq_data *data = &desc->irq_data;
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struct irq_chip *chip = data->chip;
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if (likely(!irqd_is_setaffinity_pending(data)))
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return;
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irqd_clr_move_pending(data);
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/*
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* Paranoia: cpu-local interrupts shouldn't be calling in here anyway.
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*/
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if (irqd_is_per_cpu(data)) {
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WARN_ON(1);
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return;
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}
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if (unlikely(cpumask_empty(desc->pending_mask)))
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return;
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if (!chip->irq_set_affinity)
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return;
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assert_raw_spin_locked(&desc->lock);
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/*
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* If there was a valid mask to work with, please
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* do the disable, re-program, enable sequence.
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* This is *not* particularly important for level triggered
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* but in a edge trigger case, we might be setting rte
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* when an active trigger is coming in. This could
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* cause some ioapics to mal-function.
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* Being paranoid i guess!
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*
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* For correct operation this depends on the caller
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* masking the irqs.
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*/
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if (cpumask_any_and(desc->pending_mask, cpu_online_mask) < nr_cpu_ids) {
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int ret;
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ret = irq_do_set_affinity(data, desc->pending_mask, false);
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/*
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* If the there is a cleanup pending in the underlying
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* vector management, reschedule the move for the next
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* interrupt. Leave desc->pending_mask intact.
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*/
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if (ret == -EBUSY) {
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irqd_set_move_pending(data);
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return;
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}
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}
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cpumask_clear(desc->pending_mask);
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}
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void irq_move_irq(struct irq_data *idata)
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{
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bool masked;
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/*
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* Get top level irq_data when CONFIG_IRQ_DOMAIN_HIERARCHY is enabled,
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* and it should be optimized away when CONFIG_IRQ_DOMAIN_HIERARCHY is
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* disabled. So we avoid an "#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY" here.
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*/
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idata = irq_desc_get_irq_data(irq_data_to_desc(idata));
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if (likely(!irqd_is_setaffinity_pending(idata)))
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return;
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if (unlikely(irqd_irq_disabled(idata)))
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return;
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/*
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* Be careful vs. already masked interrupts. If this is a
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* threaded interrupt with ONESHOT set, we can end up with an
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* interrupt storm.
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*/
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masked = irqd_irq_masked(idata);
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if (!masked)
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idata->chip->irq_mask(idata);
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irq_move_masked_irq(idata);
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if (!masked)
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idata->chip->irq_unmask(idata);
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}
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