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From: "Alice Ferrazzi" <alicef@gentoo.org>
To: gentoo-commits@lists.gentoo.org
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Reply-To: gentoo-dev@lists.gentoo.org, "Alice Ferrazzi" <alicef@gentoo.org>
Message-ID: <1612708773.7006cd0e76273c68b9b7f1a6e924b8e11541e064.alicef@gentoo>
Subject: [gentoo-commits] proj/linux-patches:4.19 commit in: /
X-VCS-Repository: proj/linux-patches
X-VCS-Files: 0000_README 1173_linux-4.19.174.patch
X-VCS-Directories: /
X-VCS-Committer: alicef
X-VCS-Committer-Name: Alice Ferrazzi
X-VCS-Revision: 7006cd0e76273c68b9b7f1a6e924b8e11541e064
X-VCS-Branch: 4.19
Date: Sun, 7 Feb 2021 14:40:02 +0000 (UTC)
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commit: 7006cd0e76273c68b9b7f1a6e924b8e11541e064
Author: Alice Ferrazzi <alicef <AT> gentoo <DOT> org>
AuthorDate: Sun Feb 7 14:39:25 2021 +0000
Commit: Alice Ferrazzi <alicef <AT> gentoo <DOT> org>
CommitDate: Sun Feb 7 14:39:33 2021 +0000
URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=7006cd0e
Linux patch 4.19.174
Signed-off-by: Alice Ferrazzi <alicef <AT> gentoo.org>
0000_README | 4 +
1173_linux-4.19.174.patch | 640 ++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 644 insertions(+)
diff --git a/0000_README b/0000_README
index 0bd69fd..1d2c2d9 100644
--- a/0000_README
+++ b/0000_README
@@ -731,6 +731,10 @@ Patch: 1172_linux-4.19.173.patch
From: https://www.kernel.org
Desc: Linux 4.19.173
+Patch: 1173_linux-4.19.174.patch
+From: https://www.kernel.org
+Desc: Linux 4.19.174
+
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/1173_linux-4.19.174.patch b/1173_linux-4.19.174.patch
new file mode 100644
index 0000000..33d2ee8
--- /dev/null
+++ b/1173_linux-4.19.174.patch
@@ -0,0 +1,640 @@
+diff --git a/Makefile b/Makefile
+index 5770b9d8026b9..8f326d0652a73 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,7 +1,7 @@
+ # SPDX-License-Identifier: GPL-2.0
+ VERSION = 4
+ PATCHLEVEL = 19
+-SUBLEVEL = 173
++SUBLEVEL = 174
+ EXTRAVERSION =
+ NAME = "People's Front"
+
+diff --git a/arch/x86/include/asm/msr.h b/arch/x86/include/asm/msr.h
+index 04addd6e0a4a2..2571e2017a8bb 100644
+--- a/arch/x86/include/asm/msr.h
++++ b/arch/x86/include/asm/msr.h
+@@ -88,7 +88,7 @@ static inline void do_trace_rdpmc(unsigned int msr, u64 val, int failed) {}
+ * think of extending them - you will be slapped with a stinking trout or a frozen
+ * shark will reach you, wherever you are! You've been warned.
+ */
+-static inline unsigned long long notrace __rdmsr(unsigned int msr)
++static __always_inline unsigned long long __rdmsr(unsigned int msr)
+ {
+ DECLARE_ARGS(val, low, high);
+
+@@ -100,7 +100,7 @@ static inline unsigned long long notrace __rdmsr(unsigned int msr)
+ return EAX_EDX_VAL(val, low, high);
+ }
+
+-static inline void notrace __wrmsr(unsigned int msr, u32 low, u32 high)
++static __always_inline void __wrmsr(unsigned int msr, u32 low, u32 high)
+ {
+ asm volatile("1: wrmsr\n"
+ "2:\n"
+diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
+index 551b71a24b857..3bdab6eb33bf3 100644
+--- a/drivers/acpi/thermal.c
++++ b/drivers/acpi/thermal.c
+@@ -188,6 +188,8 @@ struct acpi_thermal {
+ int tz_enabled;
+ int kelvin_offset;
+ struct work_struct thermal_check_work;
++ struct mutex thermal_check_lock;
++ refcount_t thermal_check_count;
+ };
+
+ /* --------------------------------------------------------------------------
+@@ -513,17 +515,6 @@ static int acpi_thermal_get_trip_points(struct acpi_thermal *tz)
+ return 0;
+ }
+
+-static void acpi_thermal_check(void *data)
+-{
+- struct acpi_thermal *tz = data;
+-
+- if (!tz->tz_enabled)
+- return;
+-
+- thermal_zone_device_update(tz->thermal_zone,
+- THERMAL_EVENT_UNSPECIFIED);
+-}
+-
+ /* sys I/F for generic thermal sysfs support */
+
+ static int thermal_get_temp(struct thermal_zone_device *thermal, int *temp)
+@@ -557,6 +548,8 @@ static int thermal_get_mode(struct thermal_zone_device *thermal,
+ return 0;
+ }
+
++static void acpi_thermal_check_fn(struct work_struct *work);
++
+ static int thermal_set_mode(struct thermal_zone_device *thermal,
+ enum thermal_device_mode mode)
+ {
+@@ -582,7 +575,7 @@ static int thermal_set_mode(struct thermal_zone_device *thermal,
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "%s kernel ACPI thermal control\n",
+ tz->tz_enabled ? "Enable" : "Disable"));
+- acpi_thermal_check(tz);
++ acpi_thermal_check_fn(&tz->thermal_check_work);
+ }
+ return 0;
+ }
+@@ -951,6 +944,12 @@ static void acpi_thermal_unregister_thermal_zone(struct acpi_thermal *tz)
+ Driver Interface
+ -------------------------------------------------------------------------- */
+
++static void acpi_queue_thermal_check(struct acpi_thermal *tz)
++{
++ if (!work_pending(&tz->thermal_check_work))
++ queue_work(acpi_thermal_pm_queue, &tz->thermal_check_work);
++}
++
+ static void acpi_thermal_notify(struct acpi_device *device, u32 event)
+ {
+ struct acpi_thermal *tz = acpi_driver_data(device);
+@@ -961,17 +960,17 @@ static void acpi_thermal_notify(struct acpi_device *device, u32 event)
+
+ switch (event) {
+ case ACPI_THERMAL_NOTIFY_TEMPERATURE:
+- acpi_thermal_check(tz);
++ acpi_queue_thermal_check(tz);
+ break;
+ case ACPI_THERMAL_NOTIFY_THRESHOLDS:
+ acpi_thermal_trips_update(tz, ACPI_TRIPS_REFRESH_THRESHOLDS);
+- acpi_thermal_check(tz);
++ acpi_queue_thermal_check(tz);
+ acpi_bus_generate_netlink_event(device->pnp.device_class,
+ dev_name(&device->dev), event, 0);
+ break;
+ case ACPI_THERMAL_NOTIFY_DEVICES:
+ acpi_thermal_trips_update(tz, ACPI_TRIPS_REFRESH_DEVICES);
+- acpi_thermal_check(tz);
++ acpi_queue_thermal_check(tz);
+ acpi_bus_generate_netlink_event(device->pnp.device_class,
+ dev_name(&device->dev), event, 0);
+ break;
+@@ -1071,7 +1070,27 @@ static void acpi_thermal_check_fn(struct work_struct *work)
+ {
+ struct acpi_thermal *tz = container_of(work, struct acpi_thermal,
+ thermal_check_work);
+- acpi_thermal_check(tz);
++
++ if (!tz->tz_enabled)
++ return;
++ /*
++ * In general, it is not sufficient to check the pending bit, because
++ * subsequent instances of this function may be queued after one of them
++ * has started running (e.g. if _TMP sleeps). Avoid bailing out if just
++ * one of them is running, though, because it may have done the actual
++ * check some time ago, so allow at least one of them to block on the
++ * mutex while another one is running the update.
++ */
++ if (!refcount_dec_not_one(&tz->thermal_check_count))
++ return;
++
++ mutex_lock(&tz->thermal_check_lock);
++
++ thermal_zone_device_update(tz->thermal_zone, THERMAL_EVENT_UNSPECIFIED);
++
++ refcount_inc(&tz->thermal_check_count);
++
++ mutex_unlock(&tz->thermal_check_lock);
+ }
+
+ static int acpi_thermal_add(struct acpi_device *device)
+@@ -1103,6 +1122,8 @@ static int acpi_thermal_add(struct acpi_device *device)
+ if (result)
+ goto free_memory;
+
++ refcount_set(&tz->thermal_check_count, 3);
++ mutex_init(&tz->thermal_check_lock);
+ INIT_WORK(&tz->thermal_check_work, acpi_thermal_check_fn);
+
+ pr_info(PREFIX "%s [%s] (%ld C)\n", acpi_device_name(device),
+@@ -1168,7 +1189,7 @@ static int acpi_thermal_resume(struct device *dev)
+ tz->state.active |= tz->trips.active[i].flags.enabled;
+ }
+
+- queue_work(acpi_thermal_pm_queue, &tz->thermal_check_work);
++ acpi_queue_thermal_check(tz);
+
+ return AE_OK;
+ }
+diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c
+index c0bba680d4a88..613f03f9d9eca 100644
+--- a/drivers/net/dsa/bcm_sf2.c
++++ b/drivers/net/dsa/bcm_sf2.c
+@@ -423,15 +423,19 @@ static int bcm_sf2_mdio_register(struct dsa_switch *ds)
+ /* Find our integrated MDIO bus node */
+ dn = of_find_compatible_node(NULL, NULL, "brcm,unimac-mdio");
+ priv->master_mii_bus = of_mdio_find_bus(dn);
+- if (!priv->master_mii_bus)
++ if (!priv->master_mii_bus) {
++ of_node_put(dn);
+ return -EPROBE_DEFER;
++ }
+
+ get_device(&priv->master_mii_bus->dev);
+ priv->master_mii_dn = dn;
+
+ priv->slave_mii_bus = devm_mdiobus_alloc(ds->dev);
+- if (!priv->slave_mii_bus)
++ if (!priv->slave_mii_bus) {
++ of_node_put(dn);
+ return -ENOMEM;
++ }
+
+ priv->slave_mii_bus->priv = priv;
+ priv->slave_mii_bus->name = "sf2 slave mii";
+diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
+index d762eb491a7c3..68d5971c200a1 100644
+--- a/drivers/net/ethernet/ibm/ibmvnic.c
++++ b/drivers/net/ethernet/ibm/ibmvnic.c
+@@ -4434,6 +4434,12 @@ static void ibmvnic_tasklet(void *data)
+ while (!done) {
+ /* Pull all the valid messages off the CRQ */
+ while ((crq = ibmvnic_next_crq(adapter)) != NULL) {
++ /* This barrier makes sure ibmvnic_next_crq()'s
++ * crq->generic.first & IBMVNIC_CRQ_CMD_RSP is loaded
++ * before ibmvnic_handle_crq()'s
++ * switch(gen_crq->first) and switch(gen_crq->cmd).
++ */
++ dma_rmb();
+ ibmvnic_handle_crq(crq, adapter);
+ crq->generic.first = 0;
+ }
+diff --git a/drivers/phy/motorola/phy-cpcap-usb.c b/drivers/phy/motorola/phy-cpcap-usb.c
+index 593c77dbde2eb..106f53f333242 100644
+--- a/drivers/phy/motorola/phy-cpcap-usb.c
++++ b/drivers/phy/motorola/phy-cpcap-usb.c
+@@ -623,35 +623,42 @@ static int cpcap_usb_phy_probe(struct platform_device *pdev)
+ generic_phy = devm_phy_create(ddata->dev, NULL, &ops);
+ if (IS_ERR(generic_phy)) {
+ error = PTR_ERR(generic_phy);
+- return PTR_ERR(generic_phy);
++ goto out_reg_disable;
+ }
+
+ phy_set_drvdata(generic_phy, ddata);
+
+ phy_provider = devm_of_phy_provider_register(ddata->dev,
+ of_phy_simple_xlate);
+- if (IS_ERR(phy_provider))
+- return PTR_ERR(phy_provider);
++ if (IS_ERR(phy_provider)) {
++ error = PTR_ERR(phy_provider);
++ goto out_reg_disable;
++ }
+
+ error = cpcap_usb_init_optional_pins(ddata);
+ if (error)
+- return error;
++ goto out_reg_disable;
+
+ cpcap_usb_init_optional_gpios(ddata);
+
+ error = cpcap_usb_init_iio(ddata);
+ if (error)
+- return error;
++ goto out_reg_disable;
+
+ error = cpcap_usb_init_interrupts(pdev, ddata);
+ if (error)
+- return error;
++ goto out_reg_disable;
+
+ usb_add_phy_dev(&ddata->phy);
+ atomic_set(&ddata->active, 1);
+ schedule_delayed_work(&ddata->detect_work, msecs_to_jiffies(1));
+
+ return 0;
++
++out_reg_disable:
++ regulator_disable(ddata->vusb);
++
++ return error;
+ }
+
+ static int cpcap_usb_phy_remove(struct platform_device *pdev)
+diff --git a/drivers/platform/x86/intel-vbtn.c b/drivers/platform/x86/intel-vbtn.c
+index f5774372c3871..cf8587f96fc45 100644
+--- a/drivers/platform/x86/intel-vbtn.c
++++ b/drivers/platform/x86/intel-vbtn.c
+@@ -203,6 +203,12 @@ static const struct dmi_system_id dmi_switches_allow_list[] = {
+ DMI_MATCH(DMI_PRODUCT_NAME, "Switch SA5-271"),
+ },
+ },
++ {
++ .matches = {
++ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
++ DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7352"),
++ },
++ },
+ {} /* Array terminator */
+ };
+
+diff --git a/drivers/platform/x86/touchscreen_dmi.c b/drivers/platform/x86/touchscreen_dmi.c
+index cb204f9734913..f122a0263a1ba 100644
+--- a/drivers/platform/x86/touchscreen_dmi.c
++++ b/drivers/platform/x86/touchscreen_dmi.c
+@@ -163,6 +163,16 @@ static const struct ts_dmi_data digma_citi_e200_data = {
+ .properties = digma_citi_e200_props,
+ };
+
++static const struct property_entry estar_beauty_hd_props[] = {
++ PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
++ { }
++};
++
++static const struct ts_dmi_data estar_beauty_hd_data = {
++ .acpi_name = "GDIX1001:00",
++ .properties = estar_beauty_hd_props,
++};
++
+ static const struct property_entry gp_electronic_t701_props[] = {
+ PROPERTY_ENTRY_U32("touchscreen-size-x", 960),
+ PROPERTY_ENTRY_U32("touchscreen-size-y", 640),
+@@ -501,6 +511,14 @@ static const struct dmi_system_id touchscreen_dmi_table[] = {
+ DMI_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
+ },
+ },
++ {
++ /* Estar Beauty HD (MID 7316R) */
++ .driver_data = (void *)&estar_beauty_hd_data,
++ .matches = {
++ DMI_MATCH(DMI_SYS_VENDOR, "Estar"),
++ DMI_MATCH(DMI_PRODUCT_NAME, "eSTAR BEAUTY HD Intel Quad core"),
++ },
++ },
+ {
+ /* GP-electronic T701 */
+ .driver_data = (void *)&gp_electronic_t701_data,
+diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
+index 090ab377f65e5..50078a199fea0 100644
+--- a/drivers/scsi/ibmvscsi/ibmvfc.c
++++ b/drivers/scsi/ibmvscsi/ibmvfc.c
+@@ -2890,8 +2890,10 @@ static int ibmvfc_slave_configure(struct scsi_device *sdev)
+ unsigned long flags = 0;
+
+ spin_lock_irqsave(shost->host_lock, flags);
+- if (sdev->type == TYPE_DISK)
++ if (sdev->type == TYPE_DISK) {
+ sdev->allow_restart = 1;
++ blk_queue_rq_timeout(sdev->request_queue, 120 * HZ);
++ }
+ spin_unlock_irqrestore(shost->host_lock, flags);
+ return 0;
+ }
+diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c
+index 6ba257cbc6d94..384458d1f73c3 100644
+--- a/drivers/scsi/libfc/fc_exch.c
++++ b/drivers/scsi/libfc/fc_exch.c
+@@ -1631,8 +1631,13 @@ static void fc_exch_recv_seq_resp(struct fc_exch_mgr *mp, struct fc_frame *fp)
+ rc = fc_exch_done_locked(ep);
+ WARN_ON(fc_seq_exch(sp) != ep);
+ spin_unlock_bh(&ep->ex_lock);
+- if (!rc)
++ if (!rc) {
+ fc_exch_delete(ep);
++ } else {
++ FC_EXCH_DBG(ep, "ep is completed already,"
++ "hence skip calling the resp\n");
++ goto skip_resp;
++ }
+ }
+
+ /*
+@@ -1651,6 +1656,7 @@ static void fc_exch_recv_seq_resp(struct fc_exch_mgr *mp, struct fc_frame *fp)
+ if (!fc_invoke_resp(ep, sp, fp))
+ fc_frame_free(fp);
+
++skip_resp:
+ fc_exch_release(ep);
+ return;
+ rel:
+@@ -1907,10 +1913,16 @@ static void fc_exch_reset(struct fc_exch *ep)
+
+ fc_exch_hold(ep);
+
+- if (!rc)
++ if (!rc) {
+ fc_exch_delete(ep);
++ } else {
++ FC_EXCH_DBG(ep, "ep is completed already,"
++ "hence skip calling the resp\n");
++ goto skip_resp;
++ }
+
+ fc_invoke_resp(ep, sp, ERR_PTR(-FC_EX_CLOSED));
++skip_resp:
+ fc_seq_set_resp(sp, NULL, ep->arg);
+ fc_exch_release(ep);
+ }
+diff --git a/drivers/scsi/scsi_transport_srp.c b/drivers/scsi/scsi_transport_srp.c
+index 4e46fdb2d7c99..2aaf1b7103981 100644
+--- a/drivers/scsi/scsi_transport_srp.c
++++ b/drivers/scsi/scsi_transport_srp.c
+@@ -555,7 +555,14 @@ int srp_reconnect_rport(struct srp_rport *rport)
+ res = mutex_lock_interruptible(&rport->mutex);
+ if (res)
+ goto out;
+- scsi_target_block(&shost->shost_gendev);
++ if (rport->state != SRP_RPORT_FAIL_FAST)
++ /*
++ * sdev state must be SDEV_TRANSPORT_OFFLINE, transition
++ * to SDEV_BLOCK is illegal. Calling scsi_target_unblock()
++ * later is ok though, scsi_internal_device_unblock_nowait()
++ * treats SDEV_TRANSPORT_OFFLINE like SDEV_BLOCK.
++ */
++ scsi_target_block(&shost->shost_gendev);
+ res = rport->state != SRP_RPORT_LOST ? i->f->reconnect(rport) : -ENODEV;
+ pr_debug("%s (state %d): transport.reconnect() returned %d\n",
+ dev_name(&shost->shost_gendev), rport->state, res);
+diff --git a/include/linux/kthread.h b/include/linux/kthread.h
+index c1961761311db..72308c38e06c4 100644
+--- a/include/linux/kthread.h
++++ b/include/linux/kthread.h
+@@ -32,6 +32,9 @@ struct task_struct *kthread_create_on_cpu(int (*threadfn)(void *data),
+ unsigned int cpu,
+ const char *namefmt);
+
++void kthread_set_per_cpu(struct task_struct *k, int cpu);
++bool kthread_is_per_cpu(struct task_struct *k);
++
+ /**
+ * kthread_run - create and wake a thread.
+ * @threadfn: the function to run until signal_pending(current).
+diff --git a/kernel/kthread.c b/kernel/kthread.c
+index 2eed853ab9cc5..81abfac351272 100644
+--- a/kernel/kthread.c
++++ b/kernel/kthread.c
+@@ -460,11 +460,36 @@ struct task_struct *kthread_create_on_cpu(int (*threadfn)(void *data),
+ return p;
+ kthread_bind(p, cpu);
+ /* CPU hotplug need to bind once again when unparking the thread. */
+- set_bit(KTHREAD_IS_PER_CPU, &to_kthread(p)->flags);
+ to_kthread(p)->cpu = cpu;
+ return p;
+ }
+
++void kthread_set_per_cpu(struct task_struct *k, int cpu)
++{
++ struct kthread *kthread = to_kthread(k);
++ if (!kthread)
++ return;
++
++ WARN_ON_ONCE(!(k->flags & PF_NO_SETAFFINITY));
++
++ if (cpu < 0) {
++ clear_bit(KTHREAD_IS_PER_CPU, &kthread->flags);
++ return;
++ }
++
++ kthread->cpu = cpu;
++ set_bit(KTHREAD_IS_PER_CPU, &kthread->flags);
++}
++
++bool kthread_is_per_cpu(struct task_struct *k)
++{
++ struct kthread *kthread = to_kthread(k);
++ if (!kthread)
++ return false;
++
++ return test_bit(KTHREAD_IS_PER_CPU, &kthread->flags);
++}
++
+ /**
+ * kthread_unpark - unpark a thread created by kthread_create().
+ * @k: thread created by kthread_create().
+diff --git a/kernel/smpboot.c b/kernel/smpboot.c
+index c230c2dd48e19..84c16654d8598 100644
+--- a/kernel/smpboot.c
++++ b/kernel/smpboot.c
+@@ -187,6 +187,7 @@ __smpboot_create_thread(struct smp_hotplug_thread *ht, unsigned int cpu)
+ kfree(td);
+ return PTR_ERR(tsk);
+ }
++ kthread_set_per_cpu(tsk, cpu);
+ /*
+ * Park the thread so that it could start right on the CPU
+ * when it is available.
+diff --git a/kernel/sysctl.c b/kernel/sysctl.c
+index 4c4fd4339d330..a5d75bc38eea2 100644
+--- a/kernel/sysctl.c
++++ b/kernel/sysctl.c
+@@ -68,6 +68,8 @@
+ #include <linux/mount.h>
+ #include <linux/pipe_fs_i.h>
+
++#include "../lib/kstrtox.h"
++
+ #include <linux/uaccess.h>
+ #include <asm/processor.h>
+
+@@ -2069,6 +2071,41 @@ static void proc_skip_char(char **buf, size_t *size, const char v)
+ }
+ }
+
++/**
++ * strtoul_lenient - parse an ASCII formatted integer from a buffer and only
++ * fail on overflow
++ *
++ * @cp: kernel buffer containing the string to parse
++ * @endp: pointer to store the trailing characters
++ * @base: the base to use
++ * @res: where the parsed integer will be stored
++ *
++ * In case of success 0 is returned and @res will contain the parsed integer,
++ * @endp will hold any trailing characters.
++ * This function will fail the parse on overflow. If there wasn't an overflow
++ * the function will defer the decision what characters count as invalid to the
++ * caller.
++ */
++static int strtoul_lenient(const char *cp, char **endp, unsigned int base,
++ unsigned long *res)
++{
++ unsigned long long result;
++ unsigned int rv;
++
++ cp = _parse_integer_fixup_radix(cp, &base);
++ rv = _parse_integer(cp, base, &result);
++ if ((rv & KSTRTOX_OVERFLOW) || (result != (unsigned long)result))
++ return -ERANGE;
++
++ cp += rv;
++
++ if (endp)
++ *endp = (char *)cp;
++
++ *res = (unsigned long)result;
++ return 0;
++}
++
+ #define TMPBUFLEN 22
+ /**
+ * proc_get_long - reads an ASCII formatted integer from a user buffer
+@@ -2112,7 +2149,8 @@ static int proc_get_long(char **buf, size_t *size,
+ if (!isdigit(*p))
+ return -EINVAL;
+
+- *val = simple_strtoul(p, &p, 0);
++ if (strtoul_lenient(p, &p, 0, val))
++ return -EINVAL;
+
+ len = p - tmp;
+
+diff --git a/kernel/workqueue.c b/kernel/workqueue.c
+index cd98ef48345e1..78600f97ffa72 100644
+--- a/kernel/workqueue.c
++++ b/kernel/workqueue.c
+@@ -1728,12 +1728,6 @@ static void worker_attach_to_pool(struct worker *worker,
+ {
+ mutex_lock(&wq_pool_attach_mutex);
+
+- /*
+- * set_cpus_allowed_ptr() will fail if the cpumask doesn't have any
+- * online CPUs. It'll be re-applied when any of the CPUs come up.
+- */
+- set_cpus_allowed_ptr(worker->task, pool->attrs->cpumask);
+-
+ /*
+ * The wq_pool_attach_mutex ensures %POOL_DISASSOCIATED remains
+ * stable across this function. See the comments above the flag
+@@ -1742,6 +1736,9 @@ static void worker_attach_to_pool(struct worker *worker,
+ if (pool->flags & POOL_DISASSOCIATED)
+ worker->flags |= WORKER_UNBOUND;
+
++ if (worker->rescue_wq)
++ set_cpus_allowed_ptr(worker->task, pool->attrs->cpumask);
++
+ list_add_tail(&worker->node, &pool->workers);
+ worker->pool = pool;
+
+diff --git a/net/core/gen_estimator.c b/net/core/gen_estimator.c
+index e4e442d70c2d0..752744db11ffc 100644
+--- a/net/core/gen_estimator.c
++++ b/net/core/gen_estimator.c
+@@ -84,11 +84,11 @@ static void est_timer(struct timer_list *t)
+ u64 rate, brate;
+
+ est_fetch_counters(est, &b);
+- brate = (b.bytes - est->last_bytes) << (10 - est->ewma_log - est->intvl_log);
+- brate -= (est->avbps >> est->ewma_log);
++ brate = (b.bytes - est->last_bytes) << (10 - est->intvl_log);
++ brate = (brate >> est->ewma_log) - (est->avbps >> est->ewma_log);
+
+- rate = (u64)(b.packets - est->last_packets) << (10 - est->ewma_log - est->intvl_log);
+- rate -= (est->avpps >> est->ewma_log);
++ rate = (u64)(b.packets - est->last_packets) << (10 - est->intvl_log);
++ rate = (rate >> est->ewma_log) - (est->avpps >> est->ewma_log);
+
+ write_seqcount_begin(&est->seq);
+ est->avbps += brate;
+@@ -147,6 +147,9 @@ int gen_new_estimator(struct gnet_stats_basic_packed *bstats,
+ if (parm->interval < -2 || parm->interval > 3)
+ return -EINVAL;
+
++ if (parm->ewma_log == 0 || parm->ewma_log >= 31)
++ return -EINVAL;
++
+ est = kzalloc(sizeof(*est), GFP_KERNEL);
+ if (!est)
+ return -ENOBUFS;
+diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
+index 5e56719f999c4..9e92e5e2336be 100644
+--- a/net/mac80211/rx.c
++++ b/net/mac80211/rx.c
+@@ -4003,6 +4003,8 @@ void ieee80211_check_fast_rx(struct sta_info *sta)
+
+ rcu_read_lock();
+ key = rcu_dereference(sta->ptk[sta->ptk_idx]);
++ if (!key)
++ key = rcu_dereference(sdata->default_unicast_key);
+ if (key) {
+ switch (key->conf.cipher) {
+ case WLAN_CIPHER_SUITE_TKIP:
+diff --git a/tools/objtool/elf.c b/tools/objtool/elf.c
+index b8f3cca8e58b4..264d49fea8142 100644
+--- a/tools/objtool/elf.c
++++ b/tools/objtool/elf.c
+@@ -226,8 +226,11 @@ static int read_symbols(struct elf *elf)
+
+ symtab = find_section_by_name(elf, ".symtab");
+ if (!symtab) {
+- WARN("missing symbol table");
+- return -1;
++ /*
++ * A missing symbol table is actually possible if it's an empty
++ * .o file. This can happen for thunk_64.o.
++ */
++ return 0;
+ }
+
+ symbols_nr = symtab->sh.sh_size / symtab->sh.sh_entsize;
+diff --git a/tools/testing/selftests/powerpc/alignment/alignment_handler.c b/tools/testing/selftests/powerpc/alignment/alignment_handler.c
+index 169a8b9719fb9..4f8335e0c9858 100644
+--- a/tools/testing/selftests/powerpc/alignment/alignment_handler.c
++++ b/tools/testing/selftests/powerpc/alignment/alignment_handler.c
+@@ -384,7 +384,6 @@ int test_alignment_handler_integer(void)
+ LOAD_DFORM_TEST(ldu);
+ LOAD_XFORM_TEST(ldx);
+ LOAD_XFORM_TEST(ldux);
+- LOAD_DFORM_TEST(lmw);
+ STORE_DFORM_TEST(stb);
+ STORE_XFORM_TEST(stbx);
+ STORE_DFORM_TEST(stbu);
+@@ -403,7 +402,11 @@ int test_alignment_handler_integer(void)
+ STORE_XFORM_TEST(stdx);
+ STORE_DFORM_TEST(stdu);
+ STORE_XFORM_TEST(stdux);
++
++#ifdef __BIG_ENDIAN__
++ LOAD_DFORM_TEST(lmw);
+ STORE_DFORM_TEST(stmw);
++#endif
+
+ return rc;
+ }