commit:     87ab5b81783b4aefcc76370436fd8dbf7f3794c2
Author:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Sun Jun  7 21:52:00 2020 +0000
Commit:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Sun Jun  7 21:52:31 2020 +0000
URL:        https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=87ab5b81

Linux patch 4.19.127

Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org>

 0000_README               |   4 +
 1126_linux-4.19.127.patch | 880 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 884 insertions(+)

diff --git a/0000_README b/0000_README
index 4d5b261..730cc1c 100644
--- a/0000_README
+++ b/0000_README
@@ -543,6 +543,10 @@ Patch:  1125_linux-4.19.126.patch
 From:   https://www.kernel.org
 Desc:   Linux 4.19.126
 
+Patch:  1126_linux-4.19.127.patch
+From:   https://www.kernel.org
+Desc:   Linux 4.19.127
+
 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/1126_linux-4.19.127.patch b/1126_linux-4.19.127.patch
new file mode 100644
index 0000000..24f200b
--- /dev/null
+++ b/1126_linux-4.19.127.patch
@@ -0,0 +1,880 @@
+diff --git a/Makefile b/Makefile
+index f8da10c40271..a93e38cdd61b 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,7 +1,7 @@
+ # SPDX-License-Identifier: GPL-2.0
+ VERSION = 4
+ PATCHLEVEL = 19
+-SUBLEVEL = 126
++SUBLEVEL = 127
+ EXTRAVERSION =
+ NAME = "People's Front"
+ 
+diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c
+index 89c97dcfa360..c10994daee39 100644
+--- a/arch/arc/kernel/setup.c
++++ b/arch/arc/kernel/setup.c
+@@ -15,6 +15,7 @@
+ #include <linux/clocksource.h>
+ #include <linux/console.h>
+ #include <linux/module.h>
++#include <linux/sizes.h>
+ #include <linux/cpu.h>
+ #include <linux/of_fdt.h>
+ #include <linux/of.h>
+@@ -406,12 +407,12 @@ static void arc_chk_core_config(void)
+       if ((unsigned int)__arc_dccm_base != cpu->dccm.base_addr)
+               panic("Linux built with incorrect DCCM Base address\n");
+ 
+-      if (CONFIG_ARC_DCCM_SZ != cpu->dccm.sz)
++      if (CONFIG_ARC_DCCM_SZ * SZ_1K != cpu->dccm.sz)
+               panic("Linux built with incorrect DCCM Size\n");
+ #endif
+ 
+ #ifdef CONFIG_ARC_HAS_ICCM
+-      if (CONFIG_ARC_ICCM_SZ != cpu->iccm.sz)
++      if (CONFIG_ARC_ICCM_SZ * SZ_1K != cpu->iccm.sz)
+               panic("Linux built with incorrect ICCM Size\n");
+ #endif
+ 
+diff --git a/arch/arc/plat-eznps/Kconfig b/arch/arc/plat-eznps/Kconfig
+index ce908e2c5282..71378bfec8d0 100644
+--- a/arch/arc/plat-eznps/Kconfig
++++ b/arch/arc/plat-eznps/Kconfig
+@@ -6,6 +6,7 @@
+ 
+ menuconfig ARC_PLAT_EZNPS
+       bool "\"EZchip\" ARC dev platform"
++      depends on ISA_ARCOMPACT
+       select CPU_BIG_ENDIAN
+       select CLKSRC_NPS if !PHYS_ADDR_T_64BIT
+       select EZNPS_GIC
+diff --git a/arch/powerpc/platforms/powernv/opal-imc.c 
b/arch/powerpc/platforms/powernv/opal-imc.c
+index 649fb268f446..5399682797d0 100644
+--- a/arch/powerpc/platforms/powernv/opal-imc.c
++++ b/arch/powerpc/platforms/powernv/opal-imc.c
+@@ -63,10 +63,6 @@ static void export_imc_mode_and_cmd(struct device_node 
*node,
+ 
+       imc_debugfs_parent = debugfs_create_dir("imc", powerpc_debugfs_root);
+ 
+-      /*
+-       * Return here, either because 'imc' directory already exists,
+-       * Or failed to create a new one.
+-       */
+       if (!imc_debugfs_parent)
+               return;
+ 
+@@ -139,7 +135,6 @@ static int imc_get_mem_addr_nest(struct device_node *node,
+       }
+ 
+       pmu_ptr->imc_counter_mmaped = true;
+-      export_imc_mode_and_cmd(node, pmu_ptr);
+       kfree(base_addr_arr);
+       kfree(chipid_arr);
+       return 0;
+@@ -155,7 +150,7 @@ error:
+  *                and domain as the inputs.
+  * Allocates memory for the struct imc_pmu, sets up its domain, size and 
offsets
+  */
+-static int imc_pmu_create(struct device_node *parent, int pmu_index, int 
domain)
++static struct imc_pmu *imc_pmu_create(struct device_node *parent, int 
pmu_index, int domain)
+ {
+       int ret = 0;
+       struct imc_pmu *pmu_ptr;
+@@ -163,27 +158,23 @@ static int imc_pmu_create(struct device_node *parent, 
int pmu_index, int domain)
+ 
+       /* Return for unknown domain */
+       if (domain < 0)
+-              return -EINVAL;
++              return NULL;
+ 
+       /* memory for pmu */
+       pmu_ptr = kzalloc(sizeof(*pmu_ptr), GFP_KERNEL);
+       if (!pmu_ptr)
+-              return -ENOMEM;
++              return NULL;
+ 
+       /* Set the domain */
+       pmu_ptr->domain = domain;
+ 
+       ret = of_property_read_u32(parent, "size", &pmu_ptr->counter_mem_size);
+-      if (ret) {
+-              ret = -EINVAL;
++      if (ret)
+               goto free_pmu;
+-      }
+ 
+       if (!of_property_read_u32(parent, "offset", &offset)) {
+-              if (imc_get_mem_addr_nest(parent, pmu_ptr, offset)) {
+-                      ret = -EINVAL;
++              if (imc_get_mem_addr_nest(parent, pmu_ptr, offset))
+                       goto free_pmu;
+-              }
+       }
+ 
+       /* Function to register IMC pmu */
+@@ -194,14 +185,14 @@ static int imc_pmu_create(struct device_node *parent, 
int pmu_index, int domain)
+               if (pmu_ptr->domain == IMC_DOMAIN_NEST)
+                       kfree(pmu_ptr->mem_info);
+               kfree(pmu_ptr);
+-              return ret;
++              return NULL;
+       }
+ 
+-      return 0;
++      return pmu_ptr;
+ 
+ free_pmu:
+       kfree(pmu_ptr);
+-      return ret;
++      return NULL;
+ }
+ 
+ static void disable_nest_pmu_counters(void)
+@@ -258,6 +249,7 @@ int get_max_nest_dev(void)
+ static int opal_imc_counters_probe(struct platform_device *pdev)
+ {
+       struct device_node *imc_dev = pdev->dev.of_node;
++      struct imc_pmu *pmu;
+       int pmu_count = 0, domain;
+       bool core_imc_reg = false, thread_imc_reg = false;
+       u32 type;
+@@ -273,6 +265,7 @@ static int opal_imc_counters_probe(struct platform_device 
*pdev)
+       }
+ 
+       for_each_compatible_node(imc_dev, NULL, IMC_DTB_UNIT_COMPAT) {
++              pmu = NULL;
+               if (of_property_read_u32(imc_dev, "type", &type)) {
+                       pr_warn("IMC Device without type property\n");
+                       continue;
+@@ -294,9 +287,13 @@ static int opal_imc_counters_probe(struct platform_device 
*pdev)
+                       break;
+               }
+ 
+-              if (!imc_pmu_create(imc_dev, pmu_count, domain)) {
+-                      if (domain == IMC_DOMAIN_NEST)
++              pmu = imc_pmu_create(imc_dev, pmu_count, domain);
++              if (pmu != NULL) {
++                      if (domain == IMC_DOMAIN_NEST) {
++                              if (!imc_debugfs_parent)
++                                      export_imc_mode_and_cmd(imc_dev, pmu);
+                               pmu_count++;
++                      }
+                       if (domain == IMC_DOMAIN_CORE)
+                               core_imc_reg = true;
+                       if (domain == IMC_DOMAIN_THREAD)
+@@ -304,10 +301,6 @@ static int opal_imc_counters_probe(struct platform_device 
*pdev)
+               }
+       }
+ 
+-      /* If none of the nest units are registered, remove debugfs interface */
+-      if (pmu_count == 0)
+-              debugfs_remove_recursive(imc_debugfs_parent);
+-
+       /* If core imc is not registered, unregister thread-imc */
+       if (!core_imc_reg && thread_imc_reg)
+               unregister_thread_imc();
+diff --git a/arch/s390/kernel/mcount.S b/arch/s390/kernel/mcount.S
+index 83afd5b78e16..020f9aac7dc0 100644
+--- a/arch/s390/kernel/mcount.S
++++ b/arch/s390/kernel/mcount.S
+@@ -40,6 +40,7 @@ EXPORT_SYMBOL(_mcount)
+ ENTRY(ftrace_caller)
+       .globl  ftrace_regs_caller
+       .set    ftrace_regs_caller,ftrace_caller
++      stg     %r14,(__SF_GPRS+8*8)(%r15)      # save traced function caller
+       lgr     %r1,%r15
+ #if !(defined(CC_USING_HOTPATCH) || defined(CC_USING_NOP_MCOUNT))
+       aghi    %r0,MCOUNT_RETURN_FIXUP
+diff --git a/arch/s390/mm/hugetlbpage.c b/arch/s390/mm/hugetlbpage.c
+index 5674710a4841..7dfae86afa47 100644
+--- a/arch/s390/mm/hugetlbpage.c
++++ b/arch/s390/mm/hugetlbpage.c
+@@ -159,10 +159,13 @@ void set_huge_pte_at(struct mm_struct *mm, unsigned long 
addr,
+               rste &= ~_SEGMENT_ENTRY_NOEXEC;
+ 
+       /* Set correct table type for 2G hugepages */
+-      if ((pte_val(*ptep) & _REGION_ENTRY_TYPE_MASK) == _REGION_ENTRY_TYPE_R3)
+-              rste |= _REGION_ENTRY_TYPE_R3 | _REGION3_ENTRY_LARGE;
+-      else
++      if ((pte_val(*ptep) & _REGION_ENTRY_TYPE_MASK) == 
_REGION_ENTRY_TYPE_R3) {
++              if (likely(pte_present(pte)))
++                      rste |= _REGION3_ENTRY_LARGE;
++              rste |= _REGION_ENTRY_TYPE_R3;
++      } else if (likely(pte_present(pte)))
+               rste |= _SEGMENT_ENTRY_LARGE;
++
+       clear_huge_pte_skeys(mm, rste);
+       pte_val(*ptep) = rste;
+ }
+diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
+index 2e1ed12c65f8..2a9c12ffb5cb 100644
+--- a/arch/x86/include/asm/pgtable.h
++++ b/arch/x86/include/asm/pgtable.h
+@@ -237,6 +237,7 @@ static inline int pmd_large(pmd_t pte)
+ }
+ 
+ #ifdef CONFIG_TRANSPARENT_HUGEPAGE
++/* NOTE: when predicate huge page, consider also pmd_devmap, or use pmd_large 
*/
+ static inline int pmd_trans_huge(pmd_t pmd)
+ {
+       return (pmd_val(pmd) & (_PAGE_PSE|_PAGE_DEVMAP)) == _PAGE_PSE;
+diff --git a/arch/x86/mm/mmio-mod.c b/arch/x86/mm/mmio-mod.c
+index 2c1ecf4763c4..e32b003e064a 100644
+--- a/arch/x86/mm/mmio-mod.c
++++ b/arch/x86/mm/mmio-mod.c
+@@ -384,7 +384,7 @@ static void enter_uniprocessor(void)
+       int cpu;
+       int err;
+ 
+-      if (downed_cpus == NULL &&
++      if (!cpumask_available(downed_cpus) &&
+           !alloc_cpumask_var(&downed_cpus, GFP_KERNEL)) {
+               pr_notice("Failed to allocate mask\n");
+               goto out;
+@@ -414,7 +414,7 @@ static void leave_uniprocessor(void)
+       int cpu;
+       int err;
+ 
+-      if (downed_cpus == NULL || cpumask_weight(downed_cpus) == 0)
++      if (!cpumask_available(downed_cpus) || cpumask_weight(downed_cpus) == 0)
+               return;
+       pr_notice("Re-enabling CPUs...\n");
+       for_each_cpu(cpu, downed_cpus) {
+diff --git a/drivers/block/null_blk_zoned.c b/drivers/block/null_blk_zoned.c
+index 7c6b86d98700..d1725ac636c0 100644
+--- a/drivers/block/null_blk_zoned.c
++++ b/drivers/block/null_blk_zoned.c
+@@ -20,6 +20,10 @@ int null_zone_init(struct nullb_device *dev)
+               pr_err("null_blk: zone_size must be power-of-two\n");
+               return -EINVAL;
+       }
++      if (dev->zone_size > dev->size) {
++              pr_err("Zone size larger than device capacity\n");
++              return -EINVAL;
++      }
+ 
+       dev->zone_size_sects = dev->zone_size << ZONE_SIZE_SHIFT;
+       dev->nr_zones = dev_size >>
+diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
+index d5dcee7f1fc8..108f542176b8 100644
+--- a/drivers/gpu/drm/drm_edid.c
++++ b/drivers/gpu/drm/drm_edid.c
+@@ -198,10 +198,11 @@ static const struct edid_quirk {
+       { "HVR", 0xaa01, EDID_QUIRK_NON_DESKTOP },
+       { "HVR", 0xaa02, EDID_QUIRK_NON_DESKTOP },
+ 
+-      /* Oculus Rift DK1, DK2, and CV1 VR Headsets */
++      /* Oculus Rift DK1, DK2, CV1 and Rift S VR Headsets */
+       { "OVR", 0x0001, EDID_QUIRK_NON_DESKTOP },
+       { "OVR", 0x0003, EDID_QUIRK_NON_DESKTOP },
+       { "OVR", 0x0004, EDID_QUIRK_NON_DESKTOP },
++      { "OVR", 0x0012, EDID_QUIRK_NON_DESKTOP },
+ 
+       /* Windows Mixed Reality Headsets */
+       { "ACR", 0x7fce, EDID_QUIRK_NON_DESKTOP },
+diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
+index 20cd4c8acecc..77a2f7fc2b37 100644
+--- a/drivers/gpu/drm/i915/intel_dp.c
++++ b/drivers/gpu/drm/i915/intel_dp.c
+@@ -6288,11 +6288,8 @@ intel_dp_init_connector(struct intel_digital_port 
*intel_dig_port,
+               intel_connector->get_hw_state = intel_connector_get_hw_state;
+ 
+       /* init MST on ports that can support it */
+-      if (HAS_DP_MST(dev_priv) && !intel_dp_is_edp(intel_dp) &&
+-          (port == PORT_B || port == PORT_C ||
+-           port == PORT_D || port == PORT_F))
+-              intel_dp_mst_encoder_init(intel_dig_port,
+-                                        intel_connector->base.base.id);
++      intel_dp_mst_encoder_init(intel_dig_port,
++                                intel_connector->base.base.id);
+ 
+       if (!intel_edp_init_connector(intel_dp, intel_connector)) {
+               intel_dp_aux_fini(intel_dp);
+diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c 
b/drivers/gpu/drm/i915/intel_dp_mst.c
+index 58ba14966d4f..c7d52c66ff29 100644
+--- a/drivers/gpu/drm/i915/intel_dp_mst.c
++++ b/drivers/gpu/drm/i915/intel_dp_mst.c
+@@ -588,21 +588,31 @@ intel_dp_create_fake_mst_encoders(struct 
intel_digital_port *intel_dig_port)
+ int
+ intel_dp_mst_encoder_init(struct intel_digital_port *intel_dig_port, int 
conn_base_id)
+ {
++      struct drm_i915_private *i915 = to_i915(intel_dig_port->base.base.dev);
+       struct intel_dp *intel_dp = &intel_dig_port->dp;
+-      struct drm_device *dev = intel_dig_port->base.base.dev;
++      enum port port = intel_dig_port->base.port;
+       int ret;
+ 
+-      intel_dp->can_mst = true;
++      if (!HAS_DP_MST(i915) || intel_dp_is_edp(intel_dp))
++              return 0;
++
++      if (INTEL_GEN(i915) < 12 && port == PORT_A)
++              return 0;
++
++      if (INTEL_GEN(i915) < 11 && port == PORT_E)
++              return 0;
++
+       intel_dp->mst_mgr.cbs = &mst_cbs;
+ 
+       /* create encoders */
+       intel_dp_create_fake_mst_encoders(intel_dig_port);
+-      ret = drm_dp_mst_topology_mgr_init(&intel_dp->mst_mgr, dev,
++      ret = drm_dp_mst_topology_mgr_init(&intel_dp->mst_mgr, &i915->drm,
+                                          &intel_dp->aux, 16, 3, conn_base_id);
+-      if (ret) {
+-              intel_dp->can_mst = false;
++      if (ret)
+               return ret;
+-      }
++
++      intel_dp->can_mst = true;
++
+       return 0;
+ }
+ 
+diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c
+index d05c387a588e..3c6eda0c5596 100644
+--- a/drivers/hid/hid-sony.c
++++ b/drivers/hid/hid-sony.c
+@@ -869,6 +869,23 @@ static u8 *sony_report_fixup(struct hid_device *hdev, u8 
*rdesc,
+       if (sc->quirks & PS3REMOTE)
+               return ps3remote_fixup(hdev, rdesc, rsize);
+ 
++      /*
++       * Some knock-off USB dongles incorrectly report their button count
++       * as 13 instead of 16 causing three non-functional buttons.
++       */
++      if ((sc->quirks & SIXAXIS_CONTROLLER_USB) && *rsize >= 45 &&
++              /* Report Count (13) */
++              rdesc[23] == 0x95 && rdesc[24] == 0x0D &&
++              /* Usage Maximum (13) */
++              rdesc[37] == 0x29 && rdesc[38] == 0x0D &&
++              /* Report Count (3) */
++              rdesc[43] == 0x95 && rdesc[44] == 0x03) {
++              hid_info(hdev, "Fixing up USB dongle report descriptor\n");
++              rdesc[24] = 0x10;
++              rdesc[38] = 0x10;
++              rdesc[44] = 0x00;
++      }
++
+       return rdesc;
+ }
+ 
+diff --git a/drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c 
b/drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c
+index 95052373a828..681ac9bc68b3 100644
+--- a/drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c
++++ b/drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c
+@@ -381,6 +381,14 @@ static const struct dmi_system_id 
i2c_hid_dmi_desc_override_table[] = {
+               },
+               .driver_data = (void *)&sipodev_desc
+       },
++      {
++              .ident = "Schneider SCL142ALM",
++              .matches = {
++                      DMI_EXACT_MATCH(DMI_SYS_VENDOR, "SCHNEIDER"),
++                      DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "SCL142ALM"),
++              },
++              .driver_data = (void *)&sipodev_desc
++      },
+       { }     /* Terminate list */
+ };
+ 
+diff --git a/drivers/i2c/busses/i2c-altera.c b/drivers/i2c/busses/i2c-altera.c
+index 8915ee30a5b4..1d59eede537b 100644
+--- a/drivers/i2c/busses/i2c-altera.c
++++ b/drivers/i2c/busses/i2c-altera.c
+@@ -81,6 +81,7 @@
+  * @isr_mask: cached copy of local ISR enables.
+  * @isr_status: cached copy of local ISR status.
+  * @lock: spinlock for IRQ synchronization.
++ * @isr_mutex: mutex for IRQ thread.
+  */
+ struct altr_i2c_dev {
+       void __iomem *base;
+@@ -97,6 +98,7 @@ struct altr_i2c_dev {
+       u32 isr_mask;
+       u32 isr_status;
+       spinlock_t lock;        /* IRQ synchronization */
++      struct mutex isr_mutex;
+ };
+ 
+ static void
+@@ -256,10 +258,11 @@ static irqreturn_t altr_i2c_isr(int irq, void *_dev)
+       struct altr_i2c_dev *idev = _dev;
+       u32 status = idev->isr_status;
+ 
++      mutex_lock(&idev->isr_mutex);
+       if (!idev->msg) {
+               dev_warn(idev->dev, "unexpected interrupt\n");
+               altr_i2c_int_clear(idev, ALTR_I2C_ALL_IRQ);
+-              return IRQ_HANDLED;
++              goto out;
+       }
+       read = (idev->msg->flags & I2C_M_RD) != 0;
+ 
+@@ -312,6 +315,8 @@ static irqreturn_t altr_i2c_isr(int irq, void *_dev)
+               complete(&idev->msg_complete);
+               dev_dbg(idev->dev, "Message Complete\n");
+       }
++out:
++      mutex_unlock(&idev->isr_mutex);
+ 
+       return IRQ_HANDLED;
+ }
+@@ -323,6 +328,7 @@ static int altr_i2c_xfer_msg(struct altr_i2c_dev *idev, 
struct i2c_msg *msg)
+       u32 value;
+       u8 addr = i2c_8bit_addr_from_msg(msg);
+ 
++      mutex_lock(&idev->isr_mutex);
+       idev->msg = msg;
+       idev->msg_len = msg->len;
+       idev->buf = msg->buf;
+@@ -347,6 +353,7 @@ static int altr_i2c_xfer_msg(struct altr_i2c_dev *idev, 
struct i2c_msg *msg)
+               altr_i2c_int_enable(idev, imask, true);
+               altr_i2c_fill_tx_fifo(idev);
+       }
++      mutex_unlock(&idev->isr_mutex);
+ 
+       time_left = wait_for_completion_timeout(&idev->msg_complete,
+                                               ALTR_I2C_XFER_TIMEOUT);
+@@ -420,6 +427,7 @@ static int altr_i2c_probe(struct platform_device *pdev)
+       idev->dev = &pdev->dev;
+       init_completion(&idev->msg_complete);
+       spin_lock_init(&idev->lock);
++      mutex_init(&idev->isr_mutex);
+ 
+       ret = device_property_read_u32(idev->dev, "fifo-size",
+                                      &idev->fifo_size);
+diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
+index 8b39a211ecb6..616afd81536a 100644
+--- a/drivers/net/dsa/mt7530.c
++++ b/drivers/net/dsa/mt7530.c
+@@ -860,10 +860,15 @@ mt7530_port_set_vlan_aware(struct dsa_switch *ds, int 
port)
+                  PCR_MATRIX_MASK, PCR_MATRIX(MT7530_ALL_MEMBERS));
+ 
+       /* Trapped into security mode allows packet forwarding through VLAN
+-       * table lookup.
++       * table lookup. CPU port is set to fallback mode to let untagged
++       * frames pass through.
+        */
+-      mt7530_rmw(priv, MT7530_PCR_P(port), PCR_PORT_VLAN_MASK,
+-                 MT7530_PORT_SECURITY_MODE);
++      if (dsa_is_cpu_port(ds, port))
++              mt7530_rmw(priv, MT7530_PCR_P(port), PCR_PORT_VLAN_MASK,
++                         MT7530_PORT_FALLBACK_MODE);
++      else
++              mt7530_rmw(priv, MT7530_PCR_P(port), PCR_PORT_VLAN_MASK,
++                         MT7530_PORT_SECURITY_MODE);
+ 
+       /* Set the port as a user port which is to be able to recognize VID
+        * from incoming packets before fetching entry within the VLAN table.
+diff --git a/drivers/net/dsa/mt7530.h b/drivers/net/dsa/mt7530.h
+index 403adbe5a4b4..101d309ee445 100644
+--- a/drivers/net/dsa/mt7530.h
++++ b/drivers/net/dsa/mt7530.h
+@@ -148,6 +148,12 @@ enum mt7530_port_mode {
+       /* Port Matrix Mode: Frames are forwarded by the PCR_MATRIX members. */
+       MT7530_PORT_MATRIX_MODE = PORT_VLAN(0),
+ 
++      /* Fallback Mode: Forward received frames with ingress ports that do
++       * not belong to the VLAN member. Frames whose VID is not listed on
++       * the VLAN table are forwarded by the PCR_MATRIX members.
++       */
++      MT7530_PORT_FALLBACK_MODE = PORT_VLAN(1),
++
+       /* Security Mode: Discard any frame due to ingress membership
+        * violation or VID missed on the VLAN table.
+        */
+diff --git a/drivers/net/ethernet/apple/bmac.c 
b/drivers/net/ethernet/apple/bmac.c
+index 6a8e2567f2bd..ab6ce85540b8 100644
+--- a/drivers/net/ethernet/apple/bmac.c
++++ b/drivers/net/ethernet/apple/bmac.c
+@@ -1181,7 +1181,7 @@ bmac_get_station_address(struct net_device *dev, 
unsigned char *ea)
+       int i;
+       unsigned short data;
+ 
+-      for (i = 0; i < 6; i++)
++      for (i = 0; i < 3; i++)
+               {
+                       reset_and_select_srom(dev);
+                       data = read_srom(dev, i + EnetAddressOffset/2, 
SROMAddressBits);
+diff --git a/drivers/net/ethernet/freescale/ucc_geth.c 
b/drivers/net/ethernet/freescale/ucc_geth.c
+index a5bf02ae4bc5..5de6f7c73c1f 100644
+--- a/drivers/net/ethernet/freescale/ucc_geth.c
++++ b/drivers/net/ethernet/freescale/ucc_geth.c
+@@ -45,6 +45,7 @@
+ #include <soc/fsl/qe/ucc.h>
+ #include <soc/fsl/qe/ucc_fast.h>
+ #include <asm/machdep.h>
++#include <net/sch_generic.h>
+ 
+ #include "ucc_geth.h"
+ 
+@@ -1551,11 +1552,8 @@ static int ugeth_disable(struct ucc_geth_private 
*ugeth, enum comm_dir mode)
+ 
+ static void ugeth_quiesce(struct ucc_geth_private *ugeth)
+ {
+-      /* Prevent any further xmits, plus detach the device. */
+-      netif_device_detach(ugeth->ndev);
+-
+-      /* Wait for any current xmits to finish. */
+-      netif_tx_disable(ugeth->ndev);
++      /* Prevent any further xmits */
++      netif_tx_stop_all_queues(ugeth->ndev);
+ 
+       /* Disable the interrupt to avoid NAPI rescheduling. */
+       disable_irq(ugeth->ug_info->uf_info.irq);
+@@ -1568,7 +1566,10 @@ static void ugeth_activate(struct ucc_geth_private 
*ugeth)
+ {
+       napi_enable(&ugeth->napi);
+       enable_irq(ugeth->ug_info->uf_info.irq);
+-      netif_device_attach(ugeth->ndev);
++
++      /* allow to xmit again  */
++      netif_tx_wake_all_queues(ugeth->ndev);
++      __netdev_watchdog_up(ugeth->ndev);
+ }
+ 
+ /* Called every time the controller might need to be made
+diff --git a/drivers/net/ethernet/smsc/smsc911x.c 
b/drivers/net/ethernet/smsc/smsc911x.c
+index ce4bfecc26c7..ae80a223975d 100644
+--- a/drivers/net/ethernet/smsc/smsc911x.c
++++ b/drivers/net/ethernet/smsc/smsc911x.c
+@@ -2515,20 +2515,20 @@ static int smsc911x_drv_probe(struct platform_device 
*pdev)
+ 
+       retval = smsc911x_init(dev);
+       if (retval < 0)
+-              goto out_disable_resources;
++              goto out_init_fail;
+ 
+       netif_carrier_off(dev);
+ 
+       retval = smsc911x_mii_init(pdev, dev);
+       if (retval) {
+               SMSC_WARN(pdata, probe, "Error %i initialising mii", retval);
+-              goto out_disable_resources;
++              goto out_init_fail;
+       }
+ 
+       retval = register_netdev(dev);
+       if (retval) {
+               SMSC_WARN(pdata, probe, "Error %i registering device", retval);
+-              goto out_disable_resources;
++              goto out_init_fail;
+       } else {
+               SMSC_TRACE(pdata, probe,
+                          "Network interface: \"%s\"", dev->name);
+@@ -2569,9 +2569,10 @@ static int smsc911x_drv_probe(struct platform_device 
*pdev)
+ 
+       return 0;
+ 
+-out_disable_resources:
++out_init_fail:
+       pm_runtime_put(&pdev->dev);
+       pm_runtime_disable(&pdev->dev);
++out_disable_resources:
+       (void)smsc911x_disable_resources(pdev);
+ out_enable_resources_fail:
+       smsc911x_free_resources(pdev);
+diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c 
b/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c
+index 0d21082ceb93..4d75158c64b2 100644
+--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c
++++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c
+@@ -318,6 +318,19 @@ static int ipq806x_gmac_probe(struct platform_device 
*pdev)
+       /* Enable PTP clock */
+       regmap_read(gmac->nss_common, NSS_COMMON_CLK_GATE, &val);
+       val |= NSS_COMMON_CLK_GATE_PTP_EN(gmac->id);
++      switch (gmac->phy_mode) {
++      case PHY_INTERFACE_MODE_RGMII:
++              val |= NSS_COMMON_CLK_GATE_RGMII_RX_EN(gmac->id) |
++                      NSS_COMMON_CLK_GATE_RGMII_TX_EN(gmac->id);
++              break;
++      case PHY_INTERFACE_MODE_SGMII:
++              val |= NSS_COMMON_CLK_GATE_GMII_RX_EN(gmac->id) |
++                              NSS_COMMON_CLK_GATE_GMII_TX_EN(gmac->id);
++              break;
++      default:
++              /* We don't get here; the switch above will have errored out */
++              unreachable();
++      }
+       regmap_write(gmac->nss_common, NSS_COMMON_CLK_GATE, val);
+ 
+       if (gmac->phy_mode == PHY_INTERFACE_MODE_SGMII) {
+diff --git a/drivers/net/wireless/cisco/airo.c 
b/drivers/net/wireless/cisco/airo.c
+index c3fe9bfff812..5a6ee0b014da 100644
+--- a/drivers/net/wireless/cisco/airo.c
++++ b/drivers/net/wireless/cisco/airo.c
+@@ -1928,6 +1928,10 @@ static netdev_tx_t mpi_start_xmit(struct sk_buff *skb,
+               airo_print_err(dev->name, "%s: skb == NULL!",__func__);
+               return NETDEV_TX_OK;
+       }
++      if (skb_padto(skb, ETH_ZLEN)) {
++              dev->stats.tx_dropped++;
++              return NETDEV_TX_OK;
++      }
+       npacks = skb_queue_len (&ai->txq);
+ 
+       if (npacks >= MAXTXQ - 1) {
+@@ -2130,6 +2134,10 @@ static netdev_tx_t airo_start_xmit(struct sk_buff *skb,
+               airo_print_err(dev->name, "%s: skb == NULL!", __func__);
+               return NETDEV_TX_OK;
+       }
++      if (skb_padto(skb, ETH_ZLEN)) {
++              dev->stats.tx_dropped++;
++              return NETDEV_TX_OK;
++      }
+ 
+       /* Find a vacant FID */
+       for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
+@@ -2204,6 +2212,10 @@ static netdev_tx_t airo_start_xmit11(struct sk_buff 
*skb,
+               airo_print_err(dev->name, "%s: skb == NULL!", __func__);
+               return NETDEV_TX_OK;
+       }
++      if (skb_padto(skb, ETH_ZLEN)) {
++              dev->stats.tx_dropped++;
++              return NETDEV_TX_OK;
++      }
+ 
+       /* Find a vacant FID */
+       for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
+diff --git a/drivers/net/wireless/intersil/p54/p54usb.c 
b/drivers/net/wireless/intersil/p54/p54usb.c
+index 15661da6eedc..39cfabf968d4 100644
+--- a/drivers/net/wireless/intersil/p54/p54usb.c
++++ b/drivers/net/wireless/intersil/p54/p54usb.c
+@@ -64,6 +64,7 @@ static const struct usb_device_id p54u_table[] = {
+       {USB_DEVICE(0x0db0, 0x6826)},   /* MSI UB54G (MS-6826) */
+       {USB_DEVICE(0x107b, 0x55f2)},   /* Gateway WGU-210 (Gemtek) */
+       {USB_DEVICE(0x124a, 0x4023)},   /* Shuttle PN15, Airvast WM168g, IOGear 
GWU513 */
++      {USB_DEVICE(0x124a, 0x4026)},   /* AirVasT USB wireless device */
+       {USB_DEVICE(0x1435, 0x0210)},   /* Inventel UR054G */
+       {USB_DEVICE(0x15a9, 0x0002)},   /* Gemtek WUBI-100GW 802.11g */
+       {USB_DEVICE(0x1630, 0x0005)},   /* 2Wire 802.11g USB (v1) / Z-Com */
+diff --git a/drivers/nvdimm/btt.c b/drivers/nvdimm/btt.c
+index 1064a703ccec..853edc649ed4 100644
+--- a/drivers/nvdimm/btt.c
++++ b/drivers/nvdimm/btt.c
+@@ -400,9 +400,9 @@ static int btt_flog_write(struct arena_info *arena, u32 
lane, u32 sub,
+       arena->freelist[lane].sub = 1 - arena->freelist[lane].sub;
+       if (++(arena->freelist[lane].seq) == 4)
+               arena->freelist[lane].seq = 1;
+-      if (ent_e_flag(ent->old_map))
++      if (ent_e_flag(le32_to_cpu(ent->old_map)))
+               arena->freelist[lane].has_err = 1;
+-      arena->freelist[lane].block = le32_to_cpu(ent_lba(ent->old_map));
++      arena->freelist[lane].block = ent_lba(le32_to_cpu(ent->old_map));
+ 
+       return ret;
+ }
+@@ -568,8 +568,8 @@ static int btt_freelist_init(struct arena_info *arena)
+                * FIXME: if error clearing fails during init, we want to make
+                * the BTT read-only
+                */
+-              if (ent_e_flag(log_new.old_map) &&
+-                              !ent_normal(log_new.old_map)) {
++              if (ent_e_flag(le32_to_cpu(log_new.old_map)) &&
++                  !ent_normal(le32_to_cpu(log_new.old_map))) {
+                       arena->freelist[i].has_err = 1;
+                       ret = arena_clear_freelist_error(arena, i);
+                       if (ret)
+diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c
+index 5dc3b407d7bd..63640c315d93 100644
+--- a/drivers/nvdimm/namespace_devs.c
++++ b/drivers/nvdimm/namespace_devs.c
+@@ -1996,7 +1996,7 @@ static struct device *create_namespace_pmem(struct 
nd_region *nd_region,
+               nd_mapping = &nd_region->mapping[i];
+               label_ent = list_first_entry_or_null(&nd_mapping->labels,
+                               typeof(*label_ent), list);
+-              label0 = label_ent ? label_ent->label : 0;
++              label0 = label_ent ? label_ent->label : NULL;
+ 
+               if (!label0) {
+                       WARN_ON(1);
+@@ -2332,8 +2332,9 @@ static struct device **scan_labels(struct nd_region 
*nd_region)
+                       continue;
+ 
+               /* skip labels that describe extents outside of the region */
+-              if (nd_label->dpa < nd_mapping->start || nd_label->dpa > 
map_end)
+-                      continue;
++              if (__le64_to_cpu(nd_label->dpa) < nd_mapping->start ||
++                  __le64_to_cpu(nd_label->dpa) > map_end)
++                              continue;
+ 
+               i = add_namespace_resource(nd_region, nd_label, devs, count);
+               if (i < 0)
+diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c 
b/drivers/scsi/hisi_sas/hisi_sas_main.c
+index 33191673249c..de4f41bce8e9 100644
+--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
++++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
+@@ -789,12 +789,13 @@ static void hisi_sas_port_notify_formed(struct 
asd_sas_phy *sas_phy)
+       struct hisi_hba *hisi_hba = sas_ha->lldd_ha;
+       struct hisi_sas_phy *phy = sas_phy->lldd_phy;
+       struct asd_sas_port *sas_port = sas_phy->port;
+-      struct hisi_sas_port *port = to_hisi_sas_port(sas_port);
++      struct hisi_sas_port *port;
+       unsigned long flags;
+ 
+       if (!sas_port)
+               return;
+ 
++      port = to_hisi_sas_port(sas_port);
+       spin_lock_irqsave(&hisi_hba->lock, flags);
+       port->port_attached = 1;
+       port->id = phy->port_id;
+diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
+index d91209ba18c8..803d67b3a166 100644
+--- a/drivers/scsi/ufs/ufshcd.c
++++ b/drivers/scsi/ufs/ufshcd.c
+@@ -2505,6 +2505,7 @@ static int ufshcd_queuecommand(struct Scsi_Host *host, 
struct scsi_cmnd *cmd)
+ 
+       err = ufshcd_map_sg(hba, lrbp);
+       if (err) {
++              ufshcd_release(hba);
+               lrbp->cmd = NULL;
+               clear_bit_unlock(tag, &hba->lrb_in_use);
+               goto out;
+diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c
+index 5a47e28e38c1..6f0f6b99953d 100644
+--- a/drivers/spi/spi-dw.c
++++ b/drivers/spi/spi-dw.c
+@@ -304,6 +304,9 @@ static int dw_spi_transfer_one(struct spi_controller 
*master,
+       dws->len = transfer->len;
+       spin_unlock_irqrestore(&dws->buf_lock, flags);
+ 
++      /* Ensure dw->rx and dw->rx_end are visible */
++      smp_mb();
++
+       spi_enable_chip(dws, 0);
+ 
+       /* Handle per transfer options for bpw and speed */
+diff --git a/include/uapi/linux/mmc/ioctl.h b/include/uapi/linux/mmc/ioctl.h
+index 45f369dc0a42..83a8c10fd104 100644
+--- a/include/uapi/linux/mmc/ioctl.h
++++ b/include/uapi/linux/mmc/ioctl.h
+@@ -3,6 +3,7 @@
+ #define LINUX_MMC_IOCTL_H
+ 
+ #include <linux/types.h>
++#include <linux/major.h>
+ 
+ struct mmc_ioc_cmd {
+       /* Implies direction of data.  true = write, false = read */
+diff --git a/kernel/cgroup/rstat.c b/kernel/cgroup/rstat.c
+index bb95a35e8c2d..d0ed410b4127 100644
+--- a/kernel/cgroup/rstat.c
++++ b/kernel/cgroup/rstat.c
+@@ -32,12 +32,9 @@ void cgroup_rstat_updated(struct cgroup *cgrp, int cpu)
+               return;
+ 
+       /*
+-       * Paired with the one in cgroup_rstat_cpu_pop_upated().  Either we
+-       * see NULL updated_next or they see our updated stat.
+-       */
+-      smp_mb();
+-
+-      /*
++       * Speculative already-on-list test. This may race leading to
++       * temporary inaccuracies, which is fine.
++       *
+        * Because @parent's updated_children is terminated with @parent
+        * instead of NULL, we can tell whether @cgrp is on the list by
+        * testing the next pointer for NULL.
+@@ -133,13 +130,6 @@ static struct cgroup *cgroup_rstat_cpu_pop_updated(struct 
cgroup *pos,
+               *nextp = rstatc->updated_next;
+               rstatc->updated_next = NULL;
+ 
+-              /*
+-               * Paired with the one in cgroup_rstat_cpu_updated().
+-               * Either they see NULL updated_next or we see their
+-               * updated stat.
+-               */
+-              smp_mb();
+-
+               return pos;
+       }
+ 
+diff --git a/kernel/relay.c b/kernel/relay.c
+index 9e0f52375487..13c19f39e31e 100644
+--- a/kernel/relay.c
++++ b/kernel/relay.c
+@@ -581,6 +581,11 @@ struct rchan *relay_open(const char *base_filename,
+               return NULL;
+ 
+       chan->buf = alloc_percpu(struct rchan_buf *);
++      if (!chan->buf) {
++              kfree(chan);
++              return NULL;
++      }
++
+       chan->version = RELAYFS_CHANNEL_VERSION;
+       chan->n_subbufs = n_subbufs;
+       chan->subbuf_size = subbuf_size;
+diff --git a/mm/mremap.c b/mm/mremap.c
+index a9617e72e6b7..33d8bbe24ddd 100644
+--- a/mm/mremap.c
++++ b/mm/mremap.c
+@@ -221,7 +221,7 @@ unsigned long move_page_tables(struct vm_area_struct *vma,
+               new_pmd = alloc_new_pmd(vma->vm_mm, vma, new_addr);
+               if (!new_pmd)
+                       break;
+-              if (is_swap_pmd(*old_pmd) || pmd_trans_huge(*old_pmd)) {
++              if (is_swap_pmd(*old_pmd) || pmd_trans_huge(*old_pmd) || 
pmd_devmap(*old_pmd)) {
+                       if (extent == HPAGE_PMD_SIZE) {
+                               bool moved;
+                               /* See comment in move_ptes() */
+diff --git a/security/integrity/evm/evm_crypto.c 
b/security/integrity/evm/evm_crypto.c
+index f0878d81dcef..d20f5792761c 100644
+--- a/security/integrity/evm/evm_crypto.c
++++ b/security/integrity/evm/evm_crypto.c
+@@ -215,7 +215,7 @@ static int evm_calc_hmac_or_hash(struct dentry *dentry,
+       data->hdr.length = crypto_shash_digestsize(desc->tfm);
+ 
+       error = -ENODATA;
+-      list_for_each_entry_rcu(xattr, &evm_config_xattrnames, list) {
++      list_for_each_entry_lockless(xattr, &evm_config_xattrnames, list) {
+               bool is_ima = false;
+ 
+               if (strcmp(xattr->name, XATTR_NAME_IMA) == 0)
+diff --git a/security/integrity/evm/evm_main.c 
b/security/integrity/evm/evm_main.c
+index 7f3f54d89a6e..e11d860fdce4 100644
+--- a/security/integrity/evm/evm_main.c
++++ b/security/integrity/evm/evm_main.c
+@@ -102,7 +102,7 @@ static int evm_find_protected_xattrs(struct dentry *dentry)
+       if (!(inode->i_opflags & IOP_XATTR))
+               return -EOPNOTSUPP;
+ 
+-      list_for_each_entry_rcu(xattr, &evm_config_xattrnames, list) {
++      list_for_each_entry_lockless(xattr, &evm_config_xattrnames, list) {
+               error = __vfs_getxattr(dentry, inode, xattr->name, NULL, 0);
+               if (error < 0) {
+                       if (error == -ENODATA)
+@@ -233,7 +233,7 @@ static int evm_protected_xattr(const char *req_xattr_name)
+       struct xattr_list *xattr;
+ 
+       namelen = strlen(req_xattr_name);
+-      list_for_each_entry_rcu(xattr, &evm_config_xattrnames, list) {
++      list_for_each_entry_lockless(xattr, &evm_config_xattrnames, list) {
+               if ((strlen(xattr->name) == namelen)
+                   && (strncmp(req_xattr_name, xattr->name, namelen) == 0)) {
+                       found = 1;
+diff --git a/security/integrity/evm/evm_secfs.c 
b/security/integrity/evm/evm_secfs.c
+index 77de71b7794c..f112ca593adc 100644
+--- a/security/integrity/evm/evm_secfs.c
++++ b/security/integrity/evm/evm_secfs.c
+@@ -237,7 +237,14 @@ static ssize_t evm_write_xattrs(struct file *file, const 
char __user *buf,
+               goto out;
+       }
+ 
+-      /* Guard against races in evm_read_xattrs */
++      /*
++       * xattr_list_mutex guards against races in evm_read_xattrs().
++       * Entries are only added to the evm_config_xattrnames list
++       * and never deleted. Therefore, the list is traversed
++       * using list_for_each_entry_lockless() without holding
++       * the mutex in evm_calc_hmac_or_hash(), evm_find_protected_xattrs()
++       * and evm_protected_xattr().
++       */
+       mutex_lock(&xattr_list_mutex);
+       list_for_each_entry(tmp, &evm_config_xattrnames, list) {
+               if (strcmp(xattr->name, tmp->name) == 0) {

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