Commit f1e2cc6d authored by arnavpuranik's avatar arnavpuranik
Browse files

Merge branch 'linux-4.4.y' of...

Merge branch 'linux-4.4.y' of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux

 into serum
Signed-off-by: arnavpuranik's avatararnavpuranik <puranikarnav@gmail.com>
parents 35ac2e95 1392fe82
VERSION = 4
PATCHLEVEL = 4
SUBLEVEL = 285
SUBLEVEL = 288
EXTRAVERSION =
NAME = Blurry Fish Butt
......
......@@ -60,7 +60,7 @@ extern inline void set_hae(unsigned long new_hae)
* Change virtual addresses to physical addresses and vv.
*/
#ifdef USE_48_BIT_KSEG
static inline unsigned long virt_to_phys(void *address)
static inline unsigned long virt_to_phys(volatile void *address)
{
return (unsigned long)address - IDENT_ADDR;
}
......@@ -70,7 +70,7 @@ static inline void * phys_to_virt(unsigned long address)
return (void *) (address + IDENT_ADDR);
}
#else
static inline unsigned long virt_to_phys(void *address)
static inline unsigned long virt_to_phys(volatile void *address)
{
unsigned long phys = (unsigned long)address;
......@@ -111,7 +111,7 @@ static inline dma_addr_t __deprecated isa_page_to_bus(struct page *page)
extern unsigned long __direct_map_base;
extern unsigned long __direct_map_size;
static inline unsigned long __deprecated virt_to_bus(void *address)
static inline unsigned long __deprecated virt_to_bus(volatile void *address)
{
unsigned long phys = virt_to_phys(address);
unsigned long bus = phys + __direct_map_base;
......
......@@ -498,7 +498,7 @@ config ARM64_ERRATUM_1024718
help
This option adds work around for Arm Cortex-A55 Erratum 1024718.
Affected Cortex-A55 cores (r0p0, r0p1, r1p0) could cause incorrect
Affected Cortex-A55 cores (all revisions) could cause incorrect
update of the hardware dirty bit when the DBM/AP bits are updated
without a break-before-make. The work around is to disable the usage
of hardware DBM locally on the affected cores. CPUs not affected by
......
......@@ -285,8 +285,8 @@ ENTRY(__cpu_setup)
cmp x9, #2
b.lt 1f
#ifdef CONFIG_ARM64_ERRATUM_1024718
/* Disable hardware DBM on Cortex-A55 r0p0, r0p1 & r1p0 */
cpu_midr_match MIDR_CORTEX_A55, MIDR_CPU_VAR_REV(0, 0), MIDR_CPU_VAR_REV(1, 0), x1, x2, x3, x4
/* Disable hardware DBM on Cortex-A55 all versions */
cpu_midr_match MIDR_CORTEX_A55, MIDR_CPU_VAR_REV(0, 0), MIDR_CPU_VAR_REV(0xf, 0xf), x1, x2, x3, x4
cbnz x1, 1f
#endif
orr x10, x10, #TCR_HD // hardware Dirty flag update
......
......@@ -30,21 +30,21 @@ extern void __iounmap(void *addr, unsigned long size);
* two accesses to memory, which may be undesirable for some devices.
*/
#define in_8(addr) \
({ u8 __v = (*(__force volatile u8 *) (addr)); __v; })
({ u8 __v = (*(__force volatile u8 *) (unsigned long)(addr)); __v; })
#define in_be16(addr) \
({ u16 __v = (*(__force volatile u16 *) (addr)); __v; })
({ u16 __v = (*(__force volatile u16 *) (unsigned long)(addr)); __v; })
#define in_be32(addr) \
({ u32 __v = (*(__force volatile u32 *) (addr)); __v; })
({ u32 __v = (*(__force volatile u32 *) (unsigned long)(addr)); __v; })
#define in_le16(addr) \
({ u16 __v = le16_to_cpu(*(__force volatile __le16 *) (addr)); __v; })
({ u16 __v = le16_to_cpu(*(__force volatile __le16 *) (unsigned long)(addr)); __v; })
#define in_le32(addr) \
({ u32 __v = le32_to_cpu(*(__force volatile __le32 *) (addr)); __v; })
({ u32 __v = le32_to_cpu(*(__force volatile __le32 *) (unsigned long)(addr)); __v; })
#define out_8(addr,b) (void)((*(__force volatile u8 *) (addr)) = (b))
#define out_be16(addr,w) (void)((*(__force volatile u16 *) (addr)) = (w))
#define out_be32(addr,l) (void)((*(__force volatile u32 *) (addr)) = (l))
#define out_le16(addr,w) (void)((*(__force volatile __le16 *) (addr)) = cpu_to_le16(w))
#define out_le32(addr,l) (void)((*(__force volatile __le32 *) (addr)) = cpu_to_le32(l))
#define out_8(addr,b) (void)((*(__force volatile u8 *) (unsigned long)(addr)) = (b))
#define out_be16(addr,w) (void)((*(__force volatile u16 *) (unsigned long)(addr)) = (w))
#define out_be32(addr,l) (void)((*(__force volatile u32 *) (unsigned long)(addr)) = (l))
#define out_le16(addr,w) (void)((*(__force volatile __le16 *) (unsigned long)(addr)) = cpu_to_le16(w))
#define out_le32(addr,l) (void)((*(__force volatile __le32 *) (unsigned long)(addr)) = cpu_to_le32(l))
#define raw_inb in_8
#define raw_inw in_be16
......
......@@ -174,7 +174,7 @@ extern int npmem_ranges;
#include <asm-generic/getorder.h>
#include <asm/pdc.h>
#define PAGE0 ((struct zeropage *)__PAGE_OFFSET)
#define PAGE0 ((struct zeropage *)absolute_pointer(__PAGE_OFFSET))
/* DEFINITION OF THE ZERO-PAGE (PAG0) */
/* based on work by Jason Eckhardt (jason@equator.com) */
......
......@@ -37,6 +37,7 @@ struct mdesc_hdr {
u32 node_sz; /* node block size */
u32 name_sz; /* name block size */
u32 data_sz; /* data block size */
char data[];
} __attribute__((aligned(16)));
struct mdesc_elem {
......@@ -369,7 +370,7 @@ out:
static struct mdesc_elem *node_block(struct mdesc_hdr *mdesc)
{
return (struct mdesc_elem *) (mdesc + 1);
return (struct mdesc_elem *) mdesc->data;
}
static void *name_block(struct mdesc_hdr *mdesc)
......
......@@ -18,8 +18,10 @@ void ioport_unmap(void __iomem *addr)
EXPORT_SYMBOL(ioport_map);
EXPORT_SYMBOL(ioport_unmap);
#ifdef CONFIG_PCI
void pci_iounmap(struct pci_dev *dev, void __iomem * addr)
{
/* nothing to do */
}
EXPORT_SYMBOL(pci_iounmap);
#endif
......@@ -861,8 +861,8 @@ static void xen_write_idt_entry(gate_desc *dt, int entrynum, const gate_desc *g)
preempt_enable();
}
static void xen_convert_trap_info(const struct desc_ptr *desc,
struct trap_info *traps)
static unsigned xen_convert_trap_info(const struct desc_ptr *desc,
struct trap_info *traps, bool full)
{
unsigned in, out, count;
......@@ -872,17 +872,18 @@ static void xen_convert_trap_info(const struct desc_ptr *desc,
for (in = out = 0; in < count; in++) {
gate_desc *entry = (gate_desc*)(desc->address) + in;
if (cvt_gate_to_trap(in, entry, &traps[out]))
if (cvt_gate_to_trap(in, entry, &traps[out]) || full)
out++;
}
traps[out].address = 0;
return out;
}
void xen_copy_trap_info(struct trap_info *traps)
{
const struct desc_ptr *desc = this_cpu_ptr(&idt_desc);
xen_convert_trap_info(desc, traps);
xen_convert_trap_info(desc, traps, true);
}
/* Load a new IDT into Xen. In principle this can be per-CPU, so we
......@@ -892,6 +893,7 @@ static void xen_load_idt(const struct desc_ptr *desc)
{
static DEFINE_SPINLOCK(lock);
static struct trap_info traps[257];
unsigned out;
trace_xen_cpu_load_idt(desc);
......@@ -899,7 +901,8 @@ static void xen_load_idt(const struct desc_ptr *desc)
memcpy(this_cpu_ptr(&idt_desc), desc, sizeof(idt_desc));
xen_convert_trap_info(desc, traps);
out = xen_convert_trap_info(desc, traps, false);
memset(&traps[out], 0, sizeof(traps[0]));
xen_mc_flush();
if (HYPERVISOR_set_trap_table(traps))
......
......@@ -2077,6 +2077,25 @@ static inline u8 ata_dev_knobble(struct ata_device *dev)
return ((ap->cbl == ATA_CBL_SATA) && (!ata_id_is_sata(dev->id)));
}
static bool ata_dev_check_adapter(struct ata_device *dev,
unsigned short vendor_id)
{
struct pci_dev *pcidev = NULL;
struct device *parent_dev = NULL;
for (parent_dev = dev->tdev.parent; parent_dev != NULL;
parent_dev = parent_dev->parent) {
if (dev_is_pci(parent_dev)) {
pcidev = to_pci_dev(parent_dev);
if (pcidev->vendor == vendor_id)
return true;
break;
}
}
return false;
}
static int ata_dev_config_ncq(struct ata_device *dev,
char *desc, size_t desc_sz)
{
......@@ -2093,6 +2112,13 @@ static int ata_dev_config_ncq(struct ata_device *dev,
snprintf(desc, desc_sz, "NCQ (not used)");
return 0;
}
if (dev->horkage & ATA_HORKAGE_NO_NCQ_ON_ATI &&
ata_dev_check_adapter(dev, PCI_VENDOR_ID_ATI)) {
snprintf(desc, desc_sz, "NCQ (not used)");
return 0;
}
if (ap->flags & ATA_FLAG_NCQ) {
hdepth = min(ap->scsi_host->can_queue, ATA_MAX_QUEUE - 1);
dev->flags |= ATA_DFLAG_NCQ;
......@@ -4270,9 +4296,11 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
{ "Samsung SSD 850*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "Samsung SSD 860*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM, },
ATA_HORKAGE_ZERO_AFTER_TRIM |
ATA_HORKAGE_NO_NCQ_ON_ATI, },
{ "Samsung SSD 870*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM, },
ATA_HORKAGE_ZERO_AFTER_TRIM |
ATA_HORKAGE_NO_NCQ_ON_ATI, },
{ "FCCT*M500*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM, },
......@@ -6520,6 +6548,8 @@ static int __init ata_parse_force_one(char **cur,
{ "ncq", .horkage_off = ATA_HORKAGE_NONCQ },
{ "noncqtrim", .horkage_on = ATA_HORKAGE_NO_NCQ_TRIM },
{ "ncqtrim", .horkage_off = ATA_HORKAGE_NO_NCQ_TRIM },
{ "noncqati", .horkage_on = ATA_HORKAGE_NO_NCQ_ON_ATI },
{ "ncqati", .horkage_off = ATA_HORKAGE_NO_NCQ_ON_ATI },
{ "dump_id", .horkage_on = ATA_HORKAGE_DUMP_ID },
{ "pio0", .xfer_mask = 1 << (ATA_SHIFT_PIO + 0) },
{ "pio1", .xfer_mask = 1 << (ATA_SHIFT_PIO + 1) },
......
......@@ -371,7 +371,7 @@ static int synps_edac_init_csrows(struct mem_ctl_info *mci)
for (j = 0; j < csi->nr_channels; j++) {
dimm = csi->channels[j]->dimm;
dimm->edac_mode = EDAC_FLAG_SECDED;
dimm->edac_mode = EDAC_SECDED;
dimm->mtype = synps_edac_get_mtype(priv->baseaddr);
dimm->nr_pages = (size >> PAGE_SHIFT) / csi->nr_channels;
dimm->grain = SYNPS_EDAC_ERR_GRAIN;
......
......@@ -59,15 +59,22 @@ static int betopff_init(struct hid_device *hid)
{
struct betopff_device *betopff;
struct hid_report *report;
struct hid_input *hidinput =
list_first_entry(&hid->inputs, struct hid_input, list);
struct hid_input *hidinput;
struct list_head *report_list =
&hid->report_enum[HID_OUTPUT_REPORT].report_list;
struct input_dev *dev = hidinput->input;
struct input_dev *dev;
int field_count = 0;
int error;
int i, j;
if (list_empty(&hid->inputs)) {
hid_err(hid, "no inputs found\n");
return -ENODEV;
}
hidinput = list_first_entry(&hid->inputs, struct hid_input, list);
dev = hidinput->input;
if (list_empty(report_list)) {
hid_err(hid, "no output reports found\n");
return -ENODEV;
......
......@@ -500,7 +500,7 @@ static void hid_ctrl(struct urb *urb)
if (unplug) {
usbhid->ctrltail = usbhid->ctrlhead;
} else {
} else if (usbhid->ctrlhead != usbhid->ctrltail) {
usbhid->ctrltail = (usbhid->ctrltail + 1) & (HID_CONTROL_FIFO_SIZE - 1);
if (usbhid->ctrlhead != usbhid->ctrltail &&
......@@ -1185,9 +1185,20 @@ static void usbhid_stop(struct hid_device *hid)
usbhid->intf->needs_remote_wakeup = 0;
clear_bit(HID_STARTED, &usbhid->iofl);
spin_lock_irq(&usbhid->lock); /* Sync with error and led handlers */
set_bit(HID_DISCONNECTED, &usbhid->iofl);
while (usbhid->ctrltail != usbhid->ctrlhead) {
if (usbhid->ctrl[usbhid->ctrltail].dir == USB_DIR_OUT) {
kfree(usbhid->ctrl[usbhid->ctrltail].raw_report);
usbhid->ctrl[usbhid->ctrltail].raw_report = NULL;
}
usbhid->ctrltail = (usbhid->ctrltail + 1) &
(HID_CONTROL_FIFO_SIZE - 1);
}
spin_unlock_irq(&usbhid->lock);
usb_kill_urb(usbhid->urbin);
usb_kill_urb(usbhid->urbout);
usb_kill_urb(usbhid->urbctrl);
......
......@@ -38,6 +38,7 @@ struct ipoctal_channel {
unsigned int pointer_read;
unsigned int pointer_write;
struct tty_port tty_port;
bool tty_registered;
union scc2698_channel __iomem *regs;
union scc2698_block __iomem *block_regs;
unsigned int board_id;
......@@ -86,22 +87,34 @@ static int ipoctal_port_activate(struct tty_port *port, struct tty_struct *tty)
return 0;
}
static int ipoctal_open(struct tty_struct *tty, struct file *file)
static int ipoctal_install(struct tty_driver *driver, struct tty_struct *tty)
{
struct ipoctal_channel *channel = dev_get_drvdata(tty->dev);
struct ipoctal *ipoctal = chan_to_ipoctal(channel, tty->index);
int err;
tty->driver_data = channel;
int res;
if (!ipack_get_carrier(ipoctal->dev))
return -EBUSY;
err = tty_port_open(&channel->tty_port, tty, file);
if (err)
ipack_put_carrier(ipoctal->dev);
res = tty_standard_install(driver, tty);
if (res)
goto err_put_carrier;
tty->driver_data = channel;
return 0;
err_put_carrier:
ipack_put_carrier(ipoctal->dev);
return res;
}
static int ipoctal_open(struct tty_struct *tty, struct file *file)
{
struct ipoctal_channel *channel = tty->driver_data;
return err;
return tty_port_open(&channel->tty_port, tty, file);
}
static void ipoctal_reset_stats(struct ipoctal_stats *stats)
......@@ -269,7 +282,6 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr,
int res;
int i;
struct tty_driver *tty;
char name[20];
struct ipoctal_channel *channel;
struct ipack_region *region;
void __iomem *addr;
......@@ -360,8 +372,11 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr,
/* Fill struct tty_driver with ipoctal data */
tty->owner = THIS_MODULE;
tty->driver_name = KBUILD_MODNAME;
sprintf(name, KBUILD_MODNAME ".%d.%d.", bus_nr, slot);
tty->name = name;
tty->name = kasprintf(GFP_KERNEL, KBUILD_MODNAME ".%d.%d.", bus_nr, slot);
if (!tty->name) {
res = -ENOMEM;
goto err_put_driver;
}
tty->major = 0;
tty->minor_start = 0;
......@@ -377,8 +392,7 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr,
res = tty_register_driver(tty);
if (res) {
dev_err(&ipoctal->dev->dev, "Can't register tty driver.\n");
put_tty_driver(tty);
return res;
goto err_free_name;
}
/* Save struct tty_driver for use it when uninstalling the device */
......@@ -389,7 +403,9 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr,
channel = &ipoctal->channel[i];
tty_port_init(&channel->tty_port);
tty_port_alloc_xmit_buf(&channel->tty_port);
res = tty_port_alloc_xmit_buf(&channel->tty_port);
if (res)
continue;
channel->tty_port.ops = &ipoctal_tty_port_ops;
ipoctal_reset_stats(&channel->stats);
......@@ -397,13 +413,15 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr,
spin_lock_init(&channel->lock);
channel->pointer_read = 0;
channel->pointer_write = 0;
tty_dev = tty_port_register_device(&channel->tty_port, tty, i, NULL);
tty_dev = tty_port_register_device_attr(&channel->tty_port, tty,
i, NULL, channel, NULL);
if (IS_ERR(tty_dev)) {
dev_err(&ipoctal->dev->dev, "Failed to register tty device.\n");
tty_port_free_xmit_buf(&channel->tty_port);
tty_port_destroy(&channel->tty_port);
continue;
}
dev_set_drvdata(tty_dev, channel);
channel->tty_registered = true;
}
/*
......@@ -415,6 +433,13 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr,
ipoctal_irq_handler, ipoctal);
return 0;
err_free_name:
kfree(tty->name);
err_put_driver:
put_tty_driver(tty);
return res;
}
static inline int ipoctal_copy_write_buffer(struct ipoctal_channel *channel,
......@@ -656,6 +681,7 @@ static void ipoctal_cleanup(struct tty_struct *tty)
static const struct tty_operations ipoctal_fops = {
.ioctl = NULL,
.install = ipoctal_install,
.open = ipoctal_open,
.close = ipoctal_close,
.write = ipoctal_write_tty,
......@@ -698,12 +724,17 @@ static void __ipoctal_remove(struct ipoctal *ipoctal)
for (i = 0; i < NR_CHANNELS; i++) {
struct ipoctal_channel *channel = &ipoctal->channel[i];
if (!channel->tty_registered)
continue;
tty_unregister_device(ipoctal->tty_drv, i);
tty_port_free_xmit_buf(&channel->tty_port);
tty_port_destroy(&channel->tty_port);
}
tty_unregister_driver(ipoctal->tty_drv);
kfree(ipoctal->tty_drv->name);
put_tty_driver(ipoctal->tty_drv);
kfree(ipoctal);
}
......
......@@ -1155,7 +1155,7 @@ struct net_device * __init i82596_probe(int unit)
err = -ENODEV;
goto out;
}
memcpy(eth_addr, (void *) 0xfffc1f2c, ETH_ALEN); /* YUCK! Get addr from NOVRAM */
memcpy(eth_addr, absolute_pointer(0xfffc1f2c), ETH_ALEN); /* YUCK! Get addr from NOVRAM */
dev->base_addr = MVME_I596_BASE;
dev->irq = (unsigned) MVME16x_IRQ_I596;
goto found;
......
......@@ -2462,11 +2462,15 @@ static void e100_get_drvinfo(struct net_device *netdev,
sizeof(info->bus_info));
}
#define E100_PHY_REGS 0x1C
#define E100_PHY_REGS 0x1D
static int e100_get_regs_len(struct net_device *netdev)
{
struct nic *nic = netdev_priv(netdev);
return 1 + E100_PHY_REGS + sizeof(nic->mem->dump_buf);
/* We know the number of registers, and the size of the dump buffer.
* Calculate the total size in bytes.
*/
return (1 + E100_PHY_REGS) * sizeof(u32) + sizeof(nic->mem->dump_buf);
}
static void e100_get_regs(struct net_device *netdev,
......@@ -2480,14 +2484,18 @@ static void e100_get_regs(struct net_device *netdev,
buff[0] = ioread8(&nic->csr->scb.cmd_hi) << 24 |
ioread8(&nic->csr->scb.cmd_lo) << 16 |
ioread16(&nic->csr->scb.status);
for (i = E100_PHY_REGS; i >= 0; i--)
buff[1 + E100_PHY_REGS - i] =
mdio_read(netdev, nic->mii.phy_id, i);
for (i = 0; i < E100_PHY_REGS; i++)
/* Note that we read the registers in reverse order. This
* ordering is the ABI apparently used by ethtool and other
* applications.
*/
buff[1 + i] = mdio_read(netdev, nic->mii.phy_id,
E100_PHY_REGS - 1 - i);
memset(nic->mem->dump_buf, 0, sizeof(nic->mem->dump_buf));
e100_exec_cb(nic, NULL, e100_dump);
msleep(10);
memcpy(&buff[2 + E100_PHY_REGS], nic->mem->dump_buf,
sizeof(nic->mem->dump_buf));
memcpy(&buff[1 + E100_PHY_REGS], nic->mem->dump_buf,
sizeof(nic->mem->dump_buf));
}
static void e100_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
......
......@@ -311,6 +311,9 @@ mlx4_en_filter_rfs(struct net_device *net_dev, const struct sk_buff *skb,
int nhoff = skb_network_offset(skb);
int ret = 0;
if (skb->encapsulation)
return -EPROTONOSUPPORT;
if (skb->protocol != htons(ETH_P_IP))
return -EPROTONOSUPPORT;
......
......@@ -68,9 +68,9 @@
#define SIXP_DAMA_OFF 0
/* default level 2 parameters */
#define SIXP_TXDELAY (HZ/4) /* in 1 s */
#define SIXP_TXDELAY 25 /* 250 ms */
#define SIXP_PERSIST 50 /* in 256ths */
#define SIXP_SLOTTIME (HZ/10) /* in 1 s */
#define SIXP_SLOTTIME 10 /* 100 ms */
#define SIXP_INIT_RESYNC_TIMEOUT (3*HZ/2) /* in 1 s */
#define SIXP_RESYNC_TIMEOUT 5*HZ /* in 1 s */
......
......@@ -2729,14 +2729,14 @@ struct hso_device *hso_create_mux_serial_device(struct usb_interface *interface,
serial = kzalloc(sizeof(*serial), GFP_KERNEL);
if (!serial)
goto exit;
goto err_free_dev;
hso_dev->port_data.dev_serial = serial;
serial->parent = hso_dev;
if (hso_serial_common_create
(serial, 1, CTRL_URB_RX_SIZE, CTRL_URB_TX_SIZE))
goto exit;
goto err_free_serial;
serial->tx_data_length--;
serial->write_data = hso_mux_serial_write_data;
......@@ -2752,11 +2752,9 @@ struct hso_device *hso_create_mux_serial_device(struct usb_interface *interface,
/* done, return it */
return hso_dev;
exit:
if (serial) {
tty_unregister_device(tty_drv, serial->minor);
kfree(serial);
}
err_free_serial:
kfree(serial);
err_free_dev:
kfree(hso_dev);
return NULL;
......
......@@ -994,7 +994,7 @@ check_frags:
* the header's copy failed, and they are
* sharing a slot, send an error
*/
if (i == 0 && sharedslot)
if (i == 0 && !first_shinfo && sharedslot)
xenvif_idx_release(queue, pending_idx,
XEN_NETIF_RSP_ERROR);
else
......
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