commit: bf7225926e0e8887edb835871429166ab54ee91a Author: Mike Pagano <mpagano <AT> gentoo <DOT> org> AuthorDate: Wed Feb 3 23:37:53 2021 +0000 Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org> CommitDate: Wed Feb 3 23:37:53 2021 +0000 URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=bf722592
Linux patch 4.14.219 Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org> 0000_README | 4 + 1218_linux-4.14.219.patch | 800 ++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 804 insertions(+) diff --git a/0000_README b/0000_README index 3da0f64..9392fc6 100644 --- a/0000_README +++ b/0000_README @@ -915,6 +915,10 @@ Patch: 1217_linux-4.14.218.patch From: https://www.kernel.org Desc: Linux 4.14.218 +Patch: 1218_linux-4.14.219.patch +From: https://www.kernel.org +Desc: Linux 4.14.219 + Patch: 1500_XATTR_USER_PREFIX.patch From: https://bugs.gentoo.org/show_bug.cgi?id=470644 Desc: Support for namespace user.pax.* on tmpfs. diff --git a/1218_linux-4.14.219.patch b/1218_linux-4.14.219.patch new file mode 100644 index 0000000..d9886b3 --- /dev/null +++ b/1218_linux-4.14.219.patch @@ -0,0 +1,800 @@ +diff --git a/Makefile b/Makefile +index 494420ad33a1d..f7f11304776b5 100644 +--- a/Makefile ++++ b/Makefile +@@ -1,7 +1,7 @@ + # SPDX-License-Identifier: GPL-2.0 + VERSION = 4 + PATCHLEVEL = 14 +-SUBLEVEL = 218 ++SUBLEVEL = 219 + EXTRAVERSION = + NAME = Petit Gorille + +diff --git a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi +index 115d706228eff..95aa680e92565 100644 +--- a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi ++++ b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi +@@ -278,7 +278,7 @@ + + /* VDD_AUD_1P8: Audio codec */ + reg_aud_1p8v: ldo3 { +- regulator-name = "vdd1p8"; ++ regulator-name = "vdd1p8a"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-boot-on; +diff --git a/arch/arm/mach-imx/suspend-imx6.S b/arch/arm/mach-imx/suspend-imx6.S +index 7d84b617af481..99d2e296082c7 100644 +--- a/arch/arm/mach-imx/suspend-imx6.S ++++ b/arch/arm/mach-imx/suspend-imx6.S +@@ -73,6 +73,7 @@ + #define MX6Q_CCM_CCR 0x0 + + .align 3 ++ .arm + + .macro sync_l2_cache + +diff --git a/arch/x86/entry/entry_64_compat.S b/arch/x86/entry/entry_64_compat.S +index 364ea4a207bed..304e3daf82dd2 100644 +--- a/arch/x86/entry/entry_64_compat.S ++++ b/arch/x86/entry/entry_64_compat.S +@@ -357,13 +357,13 @@ ENTRY(entry_INT80_compat) + pushq %rdx /* pt_regs->dx */ + pushq %rcx /* pt_regs->cx */ + pushq $-ENOSYS /* pt_regs->ax */ +- pushq $0 /* pt_regs->r8 = 0 */ ++ pushq %r8 /* pt_regs->r8 */ + xorl %r8d, %r8d /* nospec r8 */ +- pushq $0 /* pt_regs->r9 = 0 */ ++ pushq %r9 /* pt_regs->r9 */ + xorl %r9d, %r9d /* nospec r9 */ +- pushq $0 /* pt_regs->r10 = 0 */ ++ pushq %r10 /* pt_regs->r10*/ + xorl %r10d, %r10d /* nospec r10 */ +- pushq $0 /* pt_regs->r11 = 0 */ ++ pushq %r11 /* pt_regs->r11 */ + xorl %r11d, %r11d /* nospec r11 */ + pushq %rbx /* pt_regs->rbx */ + xorl %ebx, %ebx /* nospec rbx */ +diff --git a/arch/x86/kvm/pmu_intel.c b/arch/x86/kvm/pmu_intel.c +index 84ae4dd261caf..cafdaabf062fc 100644 +--- a/arch/x86/kvm/pmu_intel.c ++++ b/arch/x86/kvm/pmu_intel.c +@@ -29,7 +29,7 @@ static struct kvm_event_hw_type_mapping intel_arch_events[] = { + [4] = { 0x2e, 0x41, PERF_COUNT_HW_CACHE_MISSES }, + [5] = { 0xc4, 0x00, PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, + [6] = { 0xc5, 0x00, PERF_COUNT_HW_BRANCH_MISSES }, +- [7] = { 0x00, 0x30, PERF_COUNT_HW_REF_CPU_CYCLES }, ++ [7] = { 0x00, 0x03, PERF_COUNT_HW_REF_CPU_CYCLES }, + }; + + /* mapping between fixed pmc index and intel_arch_events array */ +diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c +index 79fa55de635cc..d7ed1fd36ebac 100644 +--- a/arch/x86/kvm/x86.c ++++ b/arch/x86/kvm/x86.c +@@ -98,6 +98,7 @@ static u64 __read_mostly efer_reserved_bits = ~((u64)EFER_SCE); + + static void update_cr8_intercept(struct kvm_vcpu *vcpu); + static void process_nmi(struct kvm_vcpu *vcpu); ++static void process_smi(struct kvm_vcpu *vcpu); + static void enter_smm(struct kvm_vcpu *vcpu); + static void __kvm_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags); + +@@ -3290,6 +3291,10 @@ static void kvm_vcpu_ioctl_x86_get_vcpu_events(struct kvm_vcpu *vcpu, + struct kvm_vcpu_events *events) + { + process_nmi(vcpu); ++ ++ if (kvm_check_request(KVM_REQ_SMI, vcpu)) ++ process_smi(vcpu); ++ + /* + * FIXME: pass injected and pending separately. This is only + * needed for nested virtualization, whose state cannot be +diff --git a/drivers/acpi/device_sysfs.c b/drivers/acpi/device_sysfs.c +index 012aa86d4b16b..6d7ff5ef702cb 100644 +--- a/drivers/acpi/device_sysfs.c ++++ b/drivers/acpi/device_sysfs.c +@@ -259,20 +259,12 @@ int __acpi_device_uevent_modalias(struct acpi_device *adev, + if (add_uevent_var(env, "MODALIAS=")) + return -ENOMEM; + +- len = create_pnp_modalias(adev, &env->buf[env->buflen - 1], +- sizeof(env->buf) - env->buflen); +- if (len < 0) +- return len; +- +- env->buflen += len; +- if (!adev->data.of_compatible) +- return 0; +- +- if (len > 0 && add_uevent_var(env, "MODALIAS=")) +- return -ENOMEM; +- +- len = create_of_modalias(adev, &env->buf[env->buflen - 1], +- sizeof(env->buf) - env->buflen); ++ if (adev->data.of_compatible) ++ len = create_of_modalias(adev, &env->buf[env->buflen - 1], ++ sizeof(env->buf) - env->buflen); ++ else ++ len = create_pnp_modalias(adev, &env->buf[env->buflen - 1], ++ sizeof(env->buf) - env->buflen); + if (len < 0) + return len; + +diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c +index 70ef826af7f8d..826b3877a157a 100644 +--- a/drivers/block/nbd.c ++++ b/drivers/block/nbd.c +@@ -952,6 +952,12 @@ static int nbd_add_socket(struct nbd_device *nbd, unsigned long arg, + if (!sock) + return err; + ++ /* ++ * We need to make sure we don't get any errant requests while we're ++ * reallocating the ->socks array. ++ */ ++ blk_mq_freeze_queue(nbd->disk->queue); ++ + if (!netlink && !nbd->task_setup && + !test_bit(NBD_BOUND, &config->runtime_flags)) + nbd->task_setup = current; +@@ -990,10 +996,12 @@ static int nbd_add_socket(struct nbd_device *nbd, unsigned long arg, + nsock->cookie = 0; + socks[config->num_connections++] = nsock; + atomic_inc(&config->live_connections); ++ blk_mq_unfreeze_queue(nbd->disk->queue); + + return 0; + + put_socket: ++ blk_mq_unfreeze_queue(nbd->disk->queue); + sockfd_put(sock); + return err; + } +diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c +index e6887714fe0a8..7ba58c39146fe 100644 +--- a/drivers/block/xen-blkfront.c ++++ b/drivers/block/xen-blkfront.c +@@ -937,7 +937,8 @@ static void blkif_set_queue_limits(struct blkfront_info *info) + if (info->feature_discard) { + queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, rq); + blk_queue_max_discard_sectors(rq, get_capacity(gd)); +- rq->limits.discard_granularity = info->discard_granularity; ++ rq->limits.discard_granularity = info->discard_granularity ?: ++ info->physical_sector_size; + rq->limits.discard_alignment = info->discard_alignment; + if (info->feature_secdiscard) + queue_flag_set_unlocked(QUEUE_FLAG_SECERASE, rq); +@@ -2155,19 +2156,12 @@ static void blkfront_closing(struct blkfront_info *info) + + static void blkfront_setup_discard(struct blkfront_info *info) + { +- int err; +- unsigned int discard_granularity; +- unsigned int discard_alignment; +- + info->feature_discard = 1; +- err = xenbus_gather(XBT_NIL, info->xbdev->otherend, +- "discard-granularity", "%u", &discard_granularity, +- "discard-alignment", "%u", &discard_alignment, +- NULL); +- if (!err) { +- info->discard_granularity = discard_granularity; +- info->discard_alignment = discard_alignment; +- } ++ info->discard_granularity = xenbus_read_unsigned(info->xbdev->otherend, ++ "discard-granularity", ++ 0); ++ info->discard_alignment = xenbus_read_unsigned(info->xbdev->otherend, ++ "discard-alignment", 0); + info->feature_secdiscard = + !!xenbus_read_unsigned(info->xbdev->otherend, "discard-secure", + 0); +diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c +index 24952af51a546..15a867d62d025 100644 +--- a/drivers/infiniband/hw/cxgb4/qp.c ++++ b/drivers/infiniband/hw/cxgb4/qp.c +@@ -2117,7 +2117,7 @@ int c4iw_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, + init_attr->cap.max_send_wr = qhp->attr.sq_num_entries; + init_attr->cap.max_recv_wr = qhp->attr.rq_num_entries; + init_attr->cap.max_send_sge = qhp->attr.sq_max_sges; +- init_attr->cap.max_recv_sge = qhp->attr.sq_max_sges; ++ init_attr->cap.max_recv_sge = qhp->attr.rq_max_sges; + init_attr->cap.max_inline_data = T4_MAX_SEND_INLINE; + init_attr->sq_sig_type = qhp->sq_sig_all ? IB_SIGNAL_ALL_WR : 0; + return 0; +diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c +index 1f527ca609550..ef41579897cbf 100644 +--- a/drivers/iommu/dmar.c ++++ b/drivers/iommu/dmar.c +@@ -1026,8 +1026,8 @@ static int alloc_iommu(struct dmar_drhd_unit *drhd) + { + struct intel_iommu *iommu; + u32 ver, sts; +- int agaw = 0; +- int msagaw = 0; ++ int agaw = -1; ++ int msagaw = -1; + int err; + + if (!drhd->reg_base_addr) { +@@ -1052,17 +1052,28 @@ static int alloc_iommu(struct dmar_drhd_unit *drhd) + } + + err = -EINVAL; +- agaw = iommu_calculate_agaw(iommu); +- if (agaw < 0) { +- pr_err("Cannot get a valid agaw for iommu (seq_id = %d)\n", +- iommu->seq_id); +- goto err_unmap; ++ if (cap_sagaw(iommu->cap) == 0) { ++ pr_info("%s: No supported address widths. Not attempting DMA translation.\n", ++ iommu->name); ++ drhd->ignored = 1; + } +- msagaw = iommu_calculate_max_sagaw(iommu); +- if (msagaw < 0) { +- pr_err("Cannot get a valid max agaw for iommu (seq_id = %d)\n", +- iommu->seq_id); +- goto err_unmap; ++ ++ if (!drhd->ignored) { ++ agaw = iommu_calculate_agaw(iommu); ++ if (agaw < 0) { ++ pr_err("Cannot get a valid agaw for iommu (seq_id = %d)\n", ++ iommu->seq_id); ++ drhd->ignored = 1; ++ } ++ } ++ if (!drhd->ignored) { ++ msagaw = iommu_calculate_max_sagaw(iommu); ++ if (msagaw < 0) { ++ pr_err("Cannot get a valid max agaw for iommu (seq_id = %d)\n", ++ iommu->seq_id); ++ drhd->ignored = 1; ++ agaw = -1; ++ } + } + iommu->agaw = agaw; + iommu->msagaw = msagaw; +@@ -1089,7 +1100,12 @@ static int alloc_iommu(struct dmar_drhd_unit *drhd) + + raw_spin_lock_init(&iommu->register_lock); + +- if (intel_iommu_enabled) { ++ /* ++ * This is only for hotplug; at boot time intel_iommu_enabled won't ++ * be set yet. When intel_iommu_init() runs, it registers the units ++ * present at boot time, then sets intel_iommu_enabled. ++ */ ++ if (intel_iommu_enabled && !drhd->ignored) { + err = iommu_device_sysfs_add(&iommu->iommu, NULL, + intel_iommu_groups, + "%s", iommu->name); +@@ -1104,6 +1120,7 @@ static int alloc_iommu(struct dmar_drhd_unit *drhd) + } + + drhd->iommu = iommu; ++ iommu->drhd = drhd; + + return 0; + +@@ -1118,7 +1135,7 @@ error: + + static void free_iommu(struct intel_iommu *iommu) + { +- if (intel_iommu_enabled) { ++ if (intel_iommu_enabled && !iommu->drhd->ignored) { + iommu_device_unregister(&iommu->iommu); + iommu_device_sysfs_remove(&iommu->iommu); + } +diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c +index 431123b048a27..573a5a80b23c6 100644 +--- a/drivers/leds/led-triggers.c ++++ b/drivers/leds/led-triggers.c +@@ -283,14 +283,15 @@ void led_trigger_event(struct led_trigger *trig, + enum led_brightness brightness) + { + struct led_classdev *led_cdev; ++ unsigned long flags; + + if (!trig) + return; + +- read_lock(&trig->leddev_list_lock); ++ read_lock_irqsave(&trig->leddev_list_lock, flags); + list_for_each_entry(led_cdev, &trig->led_cdevs, trig_list) + led_set_brightness(led_cdev, brightness); +- read_unlock(&trig->leddev_list_lock); ++ read_unlock_irqrestore(&trig->leddev_list_lock, flags); + } + EXPORT_SYMBOL_GPL(led_trigger_event); + +@@ -301,11 +302,12 @@ static void led_trigger_blink_setup(struct led_trigger *trig, + int invert) + { + struct led_classdev *led_cdev; ++ unsigned long flags; + + if (!trig) + return; + +- read_lock(&trig->leddev_list_lock); ++ read_lock_irqsave(&trig->leddev_list_lock, flags); + list_for_each_entry(led_cdev, &trig->led_cdevs, trig_list) { + if (oneshot) + led_blink_set_oneshot(led_cdev, delay_on, delay_off, +@@ -313,7 +315,7 @@ static void led_trigger_blink_setup(struct led_trigger *trig, + else + led_blink_set(led_cdev, delay_on, delay_off); + } +- read_unlock(&trig->leddev_list_lock); ++ read_unlock_irqrestore(&trig->leddev_list_lock, flags); + } + + void led_trigger_blink(struct led_trigger *trig, +diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c +index 1025cfd463ece..0ebee99a3e857 100644 +--- a/drivers/net/can/dev.c ++++ b/drivers/net/can/dev.c +@@ -1102,7 +1102,7 @@ static int can_fill_info(struct sk_buff *skb, const struct net_device *dev) + { + struct can_priv *priv = netdev_priv(dev); + struct can_ctrlmode cm = {.flags = priv->ctrlmode}; +- struct can_berr_counter bec; ++ struct can_berr_counter bec = { }; + enum can_state state = priv->state; + + if (priv->do_get_state) +diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c +index d36d0882874bd..eb2360b64aad3 100644 +--- a/drivers/net/team/team.c ++++ b/drivers/net/team/team.c +@@ -1002,7 +1002,8 @@ static void __team_compute_features(struct team *team) + unsigned int dst_release_flag = IFF_XMIT_DST_RELEASE | + IFF_XMIT_DST_RELEASE_PERM; + +- list_for_each_entry(port, &team->port_list, list) { ++ rcu_read_lock(); ++ list_for_each_entry_rcu(port, &team->port_list, list) { + vlan_features = netdev_increment_features(vlan_features, + port->dev->vlan_features, + TEAM_VLAN_FEATURES); +@@ -1016,6 +1017,7 @@ static void __team_compute_features(struct team *team) + if (port->dev->hard_header_len > max_hard_header_len) + max_hard_header_len = port->dev->hard_header_len; + } ++ rcu_read_unlock(); + + team->dev->vlan_features = vlan_features; + team->dev->hw_enc_features = enc_features | NETIF_F_GSO_ENCAP_ALL | +@@ -1030,9 +1032,7 @@ static void __team_compute_features(struct team *team) + + static void team_compute_features(struct team *team) + { +- mutex_lock(&team->lock); + __team_compute_features(team); +- mutex_unlock(&team->lock); + netdev_change_features(team->dev); + } + +diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c +index 6fed2fc4565b4..f205ccba27c4a 100644 +--- a/drivers/net/usb/qmi_wwan.c ++++ b/drivers/net/usb/qmi_wwan.c +@@ -1273,6 +1273,7 @@ static const struct usb_device_id products[] = { + {QMI_FIXED_INTF(0x0b3c, 0xc00a, 6)}, /* Olivetti Olicard 160 */ + {QMI_FIXED_INTF(0x0b3c, 0xc00b, 4)}, /* Olivetti Olicard 500 */ + {QMI_FIXED_INTF(0x1e2d, 0x0060, 4)}, /* Cinterion PLxx */ ++ {QMI_QUIRK_SET_DTR(0x1e2d, 0x006f, 8)}, /* Cinterion PLS83/PLS63 */ + {QMI_FIXED_INTF(0x1e2d, 0x0053, 4)}, /* Cinterion PHxx,PXxx */ + {QMI_FIXED_INTF(0x1e2d, 0x0063, 10)}, /* Cinterion ALASxx (1 RmNet) */ + {QMI_FIXED_INTF(0x1e2d, 0x0082, 4)}, /* Cinterion PHxx,PXxx (2 RmNet) */ +diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c +index 910edd034fe3a..7bfddce582ad6 100644 +--- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c ++++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c +@@ -1932,7 +1932,8 @@ static int iwl_trans_pcie_read_mem(struct iwl_trans *trans, u32 addr, + + while (offs < dwords) { + /* limit the time we spin here under lock to 1/2s */ +- ktime_t timeout = ktime_add_us(ktime_get(), 500 * USEC_PER_MSEC); ++ unsigned long end = jiffies + HZ / 2; ++ bool resched = false; + + if (iwl_trans_grab_nic_access(trans, &flags)) { + iwl_write32(trans, HBUS_TARG_MEM_RADDR, +@@ -1943,14 +1944,15 @@ static int iwl_trans_pcie_read_mem(struct iwl_trans *trans, u32 addr, + HBUS_TARG_MEM_RDAT); + offs++; + +- /* calling ktime_get is expensive so +- * do it once in 128 reads +- */ +- if (offs % 128 == 0 && ktime_after(ktime_get(), +- timeout)) ++ if (time_after(jiffies, end)) { ++ resched = true; + break; ++ } + } + iwl_trans_release_nic_access(trans, &flags); ++ ++ if (resched) ++ cond_resched(); + } else { + return -EBUSY; + } +diff --git a/drivers/net/wireless/mediatek/mt7601u/dma.c b/drivers/net/wireless/mediatek/mt7601u/dma.c +index 47cebb2ec05c5..5aacabd32923e 100644 +--- a/drivers/net/wireless/mediatek/mt7601u/dma.c ++++ b/drivers/net/wireless/mediatek/mt7601u/dma.c +@@ -160,8 +160,7 @@ mt7601u_rx_process_entry(struct mt7601u_dev *dev, struct mt7601u_dma_buf_rx *e) + + if (new_p) { + /* we have one extra ref from the allocator */ +- __free_pages(e->p, MT_RX_ORDER); +- ++ put_page(e->p); + e->p = new_p; + } + } +@@ -318,7 +317,6 @@ static int mt7601u_dma_submit_tx(struct mt7601u_dev *dev, + } + + e = &q->e[q->end]; +- e->skb = skb; + usb_fill_bulk_urb(e->urb, usb_dev, snd_pipe, skb->data, skb->len, + mt7601u_complete_tx, q); + ret = usb_submit_urb(e->urb, GFP_ATOMIC); +@@ -336,6 +334,7 @@ static int mt7601u_dma_submit_tx(struct mt7601u_dev *dev, + + q->end = (q->end + 1) % q->entries; + q->used++; ++ e->skb = skb; + + if (q->used >= q->entries) + ieee80211_stop_queue(dev->hw, skb_get_queue_mapping(skb)); +diff --git a/drivers/soc/atmel/soc.c b/drivers/soc/atmel/soc.c +index c1363c83c352a..c5e713dd10169 100644 +--- a/drivers/soc/atmel/soc.c ++++ b/drivers/soc/atmel/soc.c +@@ -246,8 +246,21 @@ struct soc_device * __init at91_soc_init(const struct at91_soc *socs) + return soc_dev; + } + ++static const struct of_device_id at91_soc_allowed_list[] __initconst = { ++ { .compatible = "atmel,at91rm9200", }, ++ { .compatible = "atmel,at91sam9", }, ++ { .compatible = "atmel,sama5", }, ++ { .compatible = "atmel,samv7", }, ++ { } ++}; ++ + static int __init atmel_soc_device_init(void) + { ++ struct device_node *np = of_find_node_by_path("/"); ++ ++ if (!of_match_node(at91_soc_allowed_list, np)) ++ return 0; ++ + at91_soc_init(socs); + + return 0; +diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c +index fe24e8dcb2b8e..9cac938361a01 100644 +--- a/drivers/xen/xenbus/xenbus_probe.c ++++ b/drivers/xen/xenbus/xenbus_probe.c +@@ -705,6 +705,23 @@ static bool xs_hvm_defer_init_for_callback(void) + #endif + } + ++static int xenbus_probe_thread(void *unused) ++{ ++ DEFINE_WAIT(w); ++ ++ /* ++ * We actually just want to wait for *any* trigger of xb_waitq, ++ * and run xenbus_probe() the moment it occurs. ++ */ ++ prepare_to_wait(&xb_waitq, &w, TASK_INTERRUPTIBLE); ++ schedule(); ++ finish_wait(&xb_waitq, &w); ++ ++ DPRINTK("probing"); ++ xenbus_probe(); ++ return 0; ++} ++ + static int __init xenbus_probe_initcall(void) + { + /* +@@ -716,6 +733,20 @@ static int __init xenbus_probe_initcall(void) + !xs_hvm_defer_init_for_callback())) + xenbus_probe(); + ++ /* ++ * For XS_LOCAL, spawn a thread which will wait for xenstored ++ * or a xenstore-stubdom to be started, then probe. It will be ++ * triggered when communication starts happening, by waiting ++ * on xb_waitq. ++ */ ++ if (xen_store_domain_type == XS_LOCAL) { ++ struct task_struct *probe_task; ++ ++ probe_task = kthread_run(xenbus_probe_thread, NULL, ++ "xenbus_probe"); ++ if (IS_ERR(probe_task)) ++ return PTR_ERR(probe_task); ++ } + return 0; + } + device_initcall(xenbus_probe_initcall); +diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h +index d2364ba99f6ce..f121b4bc8b143 100644 +--- a/include/linux/intel-iommu.h ++++ b/include/linux/intel-iommu.h +@@ -434,6 +434,8 @@ struct intel_iommu { + struct iommu_device iommu; /* IOMMU core code handle */ + int node; + u32 flags; /* Software defined flags */ ++ ++ struct dmar_drhd_unit *drhd; + }; + + static inline void __iommu_flush_cache( +diff --git a/include/net/tcp.h b/include/net/tcp.h +index 58e8e57787cf1..4602959b58a12 100644 +--- a/include/net/tcp.h ++++ b/include/net/tcp.h +@@ -1969,7 +1969,7 @@ void tcp_v4_init(void); + void tcp_init(void); + + /* tcp_recovery.c */ +-extern void tcp_rack_mark_lost(struct sock *sk); ++extern bool tcp_rack_mark_lost(struct sock *sk); + extern void tcp_rack_advance(struct tcp_sock *tp, u8 sacked, u32 end_seq, + u64 xmit_time); + extern void tcp_rack_reo_timeout(struct sock *sk); +diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c +index ec12a52edce2c..eb062fab62579 100644 +--- a/net/ipv4/tcp_input.c ++++ b/net/ipv4/tcp_input.c +@@ -2803,7 +2803,8 @@ static void tcp_rack_identify_loss(struct sock *sk, int *ack_flag) + if (sysctl_tcp_recovery & TCP_RACK_LOSS_DETECTION) { + u32 prior_retrans = tp->retrans_out; + +- tcp_rack_mark_lost(sk); ++ if (tcp_rack_mark_lost(sk)) ++ *ack_flag &= ~FLAG_SET_XMIT_TIMER; + if (prior_retrans > tp->retrans_out) + *ack_flag |= FLAG_LOST_RETRANS; + } +@@ -3688,15 +3689,16 @@ static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag) + + if (tp->tlp_high_seq) + tcp_process_tlp_ack(sk, ack, flag); +- /* If needed, reset TLP/RTO timer; RACK may later override this. */ +- if (flag & FLAG_SET_XMIT_TIMER) +- tcp_set_xmit_timer(sk); + + if (tcp_ack_is_dubious(sk, flag)) { + is_dupack = !(flag & (FLAG_SND_UNA_ADVANCED | FLAG_NOT_DUP)); + tcp_fastretrans_alert(sk, acked, is_dupack, &flag, &rexmit); + } + ++ /* If needed, reset TLP/RTO timer when RACK doesn't set. */ ++ if (flag & FLAG_SET_XMIT_TIMER) ++ tcp_set_xmit_timer(sk); ++ + if ((flag & FLAG_FORWARD_PROGRESS) || !(flag & FLAG_NOT_DUP)) + sk_dst_confirm(sk); + +diff --git a/net/ipv4/tcp_recovery.c b/net/ipv4/tcp_recovery.c +index be8ef1e5dfef7..0409cd2c4918f 100644 +--- a/net/ipv4/tcp_recovery.c ++++ b/net/ipv4/tcp_recovery.c +@@ -102,13 +102,13 @@ static void tcp_rack_detect_loss(struct sock *sk, u32 *reo_timeout) + } + } + +-void tcp_rack_mark_lost(struct sock *sk) ++bool tcp_rack_mark_lost(struct sock *sk) + { + struct tcp_sock *tp = tcp_sk(sk); + u32 timeout; + + if (!tp->rack.advanced) +- return; ++ return false; + + /* Reset the advanced flag to avoid unnecessary queue scanning */ + tp->rack.advanced = 0; +@@ -118,6 +118,7 @@ void tcp_rack_mark_lost(struct sock *sk) + inet_csk_reset_xmit_timer(sk, ICSK_TIME_REO_TIMEOUT, + timeout, inet_csk(sk)->icsk_rto); + } ++ return !!timeout; + } + + /* Record the most recently (re)sent time among the (s)acked packets +diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h +index 0e209a88d88a7..651705565dfb9 100644 +--- a/net/mac80211/ieee80211_i.h ++++ b/net/mac80211/ieee80211_i.h +@@ -1047,6 +1047,7 @@ enum queue_stop_reason { + IEEE80211_QUEUE_STOP_REASON_FLUSH, + IEEE80211_QUEUE_STOP_REASON_TDLS_TEARDOWN, + IEEE80211_QUEUE_STOP_REASON_RESERVE_TID, ++ IEEE80211_QUEUE_STOP_REASON_IFTYPE_CHANGE, + + IEEE80211_QUEUE_STOP_REASONS, + }; +diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c +index 6ce13e976b7a2..dc398a1816788 100644 +--- a/net/mac80211/iface.c ++++ b/net/mac80211/iface.c +@@ -1559,6 +1559,10 @@ static int ieee80211_runtime_change_iftype(struct ieee80211_sub_if_data *sdata, + if (ret) + return ret; + ++ ieee80211_stop_vif_queues(local, sdata, ++ IEEE80211_QUEUE_STOP_REASON_IFTYPE_CHANGE); ++ synchronize_net(); ++ + ieee80211_do_stop(sdata, false); + + ieee80211_teardown_sdata(sdata); +@@ -1579,6 +1583,8 @@ static int ieee80211_runtime_change_iftype(struct ieee80211_sub_if_data *sdata, + err = ieee80211_do_open(&sdata->wdev, false); + WARN(err, "type change: do_open returned %d", err); + ++ ieee80211_wake_vif_queues(local, sdata, ++ IEEE80211_QUEUE_STOP_REASON_IFTYPE_CHANGE); + return ret; + } + +diff --git a/net/netfilter/nft_dynset.c b/net/netfilter/nft_dynset.c +index 66221ad891a9f..278d765663488 100644 +--- a/net/netfilter/nft_dynset.c ++++ b/net/netfilter/nft_dynset.c +@@ -205,8 +205,10 @@ static int nft_dynset_init(const struct nft_ctx *ctx, + nft_set_ext_add_length(&priv->tmpl, NFT_SET_EXT_EXPR, + priv->expr->ops->size); + if (set->flags & NFT_SET_TIMEOUT) { +- if (timeout || set->timeout) ++ if (timeout || set->timeout) { ++ nft_set_ext_add(&priv->tmpl, NFT_SET_EXT_TIMEOUT); + nft_set_ext_add(&priv->tmpl, NFT_SET_EXT_EXPIRATION); ++ } + } + + priv->timeout = timeout; +diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c +index 2d642baeafbb2..18957fbf37ff7 100644 +--- a/net/nfc/netlink.c ++++ b/net/nfc/netlink.c +@@ -884,6 +884,7 @@ static int nfc_genl_stop_poll(struct sk_buff *skb, struct genl_info *info) + + if (!dev->polling) { + device_unlock(&dev->dev); ++ nfc_put_device(dev); + return -EINVAL; + } + +diff --git a/net/nfc/rawsock.c b/net/nfc/rawsock.c +index b927730d9ab06..57a07ab80d924 100644 +--- a/net/nfc/rawsock.c ++++ b/net/nfc/rawsock.c +@@ -117,7 +117,7 @@ static int rawsock_connect(struct socket *sock, struct sockaddr *_addr, + if (addr->target_idx > dev->target_next_idx - 1 || + addr->target_idx < dev->target_next_idx - dev->n_targets) { + rc = -EINVAL; +- goto error; ++ goto put_dev; + } + + rc = nfc_activate_target(dev, addr->target_idx, addr->nfc_protocol); +diff --git a/net/wireless/wext-core.c b/net/wireless/wext-core.c +index 5236a3c2c0ccf..b6414c7bef556 100644 +--- a/net/wireless/wext-core.c ++++ b/net/wireless/wext-core.c +@@ -898,8 +898,9 @@ out: + int call_commit_handler(struct net_device *dev) + { + #ifdef CONFIG_WIRELESS_EXT +- if ((netif_running(dev)) && +- (dev->wireless_handlers->standard[0] != NULL)) ++ if (netif_running(dev) && ++ dev->wireless_handlers && ++ dev->wireless_handlers->standard[0]) + /* Call the commit handler on the driver */ + return dev->wireless_handlers->standard[0](dev, NULL, + NULL, NULL); +diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c +index 874735742152d..594b8b2c32c85 100644 +--- a/net/xfrm/xfrm_input.c ++++ b/net/xfrm/xfrm_input.c +@@ -415,7 +415,7 @@ resume: + /* only the first xfrm gets the encap type */ + encap_type = 0; + +- if (async && x->repl->recheck(x, skb, seq)) { ++ if (x->repl->recheck(x, skb, seq)) { + XFRM_INC_STATS(net, LINUX_MIB_XFRMINSTATESEQERROR); + goto drop_unlock; + } +diff --git a/tools/testing/selftests/x86/test_syscall_vdso.c b/tools/testing/selftests/x86/test_syscall_vdso.c +index 40370354d4c11..c9c3281077bca 100644 +--- a/tools/testing/selftests/x86/test_syscall_vdso.c ++++ b/tools/testing/selftests/x86/test_syscall_vdso.c +@@ -100,12 +100,19 @@ asm ( + " shl $32, %r8\n" + " orq $0x7f7f7f7f, %r8\n" + " movq %r8, %r9\n" +- " movq %r8, %r10\n" +- " movq %r8, %r11\n" +- " movq %r8, %r12\n" +- " movq %r8, %r13\n" +- " movq %r8, %r14\n" +- " movq %r8, %r15\n" ++ " incq %r9\n" ++ " movq %r9, %r10\n" ++ " incq %r10\n" ++ " movq %r10, %r11\n" ++ " incq %r11\n" ++ " movq %r11, %r12\n" ++ " incq %r12\n" ++ " movq %r12, %r13\n" ++ " incq %r13\n" ++ " movq %r13, %r14\n" ++ " incq %r14\n" ++ " movq %r14, %r15\n" ++ " incq %r15\n" + " ret\n" + " .code32\n" + " .popsection\n" +@@ -128,12 +135,13 @@ int check_regs64(void) + int err = 0; + int num = 8; + uint64_t *r64 = ®s64.r8; ++ uint64_t expected = 0x7f7f7f7f7f7f7f7fULL; + + if (!kernel_is_64bit) + return 0; + + do { +- if (*r64 == 0x7f7f7f7f7f7f7f7fULL) ++ if (*r64 == expected++) + continue; /* register did not change */ + if (syscall_addr != (long)&int80) { + /* +@@ -147,18 +155,17 @@ int check_regs64(void) + continue; + } + } else { +- /* INT80 syscall entrypoint can be used by ++ /* ++ * INT80 syscall entrypoint can be used by + * 64-bit programs too, unlike SYSCALL/SYSENTER. + * Therefore it must preserve R12+ + * (they are callee-saved registers in 64-bit C ABI). + * +- * This was probably historically not intended, +- * but R8..11 are clobbered (cleared to 0). +- * IOW: they are the only registers which aren't +- * preserved across INT80 syscall. ++ * Starting in Linux 4.17 (and any kernel that ++ * backports the change), R8..11 are preserved. ++ * Historically (and probably unintentionally), they ++ * were clobbered or zeroed. + */ +- if (*r64 == 0 && num <= 11) +- continue; + } + printf("[FAIL]\tR%d has changed:%016llx\n", num, *r64); + err++;
