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Merge with /usr/src/ntfs-2.6.git

Browse Source
This commit is contained in:
Anton Altaparmakov 2005-05-25 09:38:26 +01:00
commit c1c58ada91
28 changed files with 186 additions and 93 deletions
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2
Makefile
View File

@ -1,7 +1,7 @@
VERSION = 2
PATCHLEVEL = 6
SUBLEVEL = 12
EXTRAVERSION =-rc4
EXTRAVERSION =-rc5
NAME=Woozy Numbat
# *DOCUMENTATION*

17
arch/i386/mach-voyager/voyager_smp.c
View File

@ -97,7 +97,6 @@ static void ack_vic_irq(unsigned int irq);
static void vic_enable_cpi(void);
static void do_boot_cpu(__u8 cpuid);
static void do_quad_bootstrap(void);
static inline void wrapper_smp_local_timer_interrupt(struct pt_regs *);
int hard_smp_processor_id(void);
@ -125,6 +124,14 @@ send_QIC_CPI(__u32 cpuset, __u8 cpi)
}
}
static inline void
wrapper_smp_local_timer_interrupt(struct pt_regs *regs)
{
irq_enter();
smp_local_timer_interrupt(regs);
irq_exit();
}
static inline void
send_one_CPI(__u8 cpu, __u8 cpi)
{
@ -1249,14 +1256,6 @@ smp_vic_timer_interrupt(struct pt_regs *regs)
smp_local_timer_interrupt(regs);
}
static inline void
wrapper_smp_local_timer_interrupt(struct pt_regs *regs)
{
irq_enter();
smp_local_timer_interrupt(regs);
irq_exit();
}
/* local (per CPU) timer interrupt. It does both profiling and
* process statistics/rescheduling.
*

2
arch/ppc/syslib/ipic.c
View File

@ -479,7 +479,7 @@ void __init ipic_init(phys_addr_t phys_addr,
temp = 0;
for (i = 0 ; i < senses_count ; i++) {
if ((senses[i] & IRQ_SENSE_MASK) == IRQ_SENSE_EDGE) {
temp |= 1 << (16 - i);
temp |= 1 << (15 - i);
if (i != 0)
irq_desc[i + irq_offset + MPC83xx_IRQ_EXT1 - 1].status = 0;
else

28
arch/ppc64/kernel/pmac_smp.c
View File

@ -68,6 +68,7 @@ extern struct smp_ops_t *smp_ops;
static void (*pmac_tb_freeze)(int freeze);
static struct device_node *pmac_tb_clock_chip_host;
static u8 pmac_tb_pulsar_addr;
static DEFINE_SPINLOCK(timebase_lock);
static unsigned long timebase;
@ -106,12 +107,9 @@ static void smp_core99_pulsar_tb_freeze(int freeze)
u8 data;
int rc;
/* Strangely, the device-tree says address is 0xd2, but darwin
* accesses 0xd0 ...
*/
pmac_low_i2c_setmode(pmac_tb_clock_chip_host, pmac_low_i2c_mode_combined);
rc = pmac_low_i2c_xfer(pmac_tb_clock_chip_host,
0xd4 | pmac_low_i2c_read,
pmac_tb_pulsar_addr | pmac_low_i2c_read,
0x2e, &data, 1);
if (rc != 0)
goto bail;
@ -120,7 +118,7 @@ static void smp_core99_pulsar_tb_freeze(int freeze)
pmac_low_i2c_setmode(pmac_tb_clock_chip_host, pmac_low_i2c_mode_stdsub);
rc = pmac_low_i2c_xfer(pmac_tb_clock_chip_host,
0xd4 | pmac_low_i2c_write,
pmac_tb_pulsar_addr | pmac_low_i2c_write,
0x2e, &data, 1);
bail:
if (rc != 0) {
@ -185,6 +183,12 @@ static int __init smp_core99_probe(void)
if (ncpus <= 1)
return 1;
/* HW sync only on these platforms */
if (!machine_is_compatible("PowerMac7,2") &&
!machine_is_compatible("PowerMac7,3") &&
!machine_is_compatible("RackMac3,1"))
goto nohwsync;
/* Look for the clock chip */
for (cc = NULL; (cc = of_find_node_by_name(cc, "i2c-hwclock")) != NULL;) {
struct device_node *p = of_get_parent(cc);
@ -198,11 +202,18 @@ static int __init smp_core99_probe(void)
goto next;
switch (*reg) {
case 0xd2:
pmac_tb_freeze = smp_core99_cypress_tb_freeze;
printk(KERN_INFO "Timebase clock is Cypress chip\n");
if (device_is_compatible(cc, "pulsar-legacy-slewing")) {
pmac_tb_freeze = smp_core99_pulsar_tb_freeze;
pmac_tb_pulsar_addr = 0xd2;
printk(KERN_INFO "Timebase clock is Pulsar chip\n");
} else if (device_is_compatible(cc, "cy28508")) {
pmac_tb_freeze = smp_core99_cypress_tb_freeze;
printk(KERN_INFO "Timebase clock is Cypress chip\n");
}
break;
case 0xd4:
pmac_tb_freeze = smp_core99_pulsar_tb_freeze;
pmac_tb_pulsar_addr = 0xd4;
printk(KERN_INFO "Timebase clock is Pulsar chip\n");
break;
}
@ -210,12 +221,15 @@ static int __init smp_core99_probe(void)
pmac_tb_clock_chip_host = p;
smp_ops->give_timebase = smp_core99_give_timebase;
smp_ops->take_timebase = smp_core99_take_timebase;
of_node_put(cc);
of_node_put(p);
break;
}
next:
of_node_put(p);
}
nohwsync:
mpic_request_ipis();
return ncpus;

44
arch/ppc64/kernel/prom_init.c
View File

@ -1750,7 +1750,44 @@ static void __init flatten_device_tree(void)
prom_printf("Device tree struct 0x%x -> 0x%x\n",
RELOC(dt_struct_start), RELOC(dt_struct_end));
}
}
static void __init fixup_device_tree(void)
{
unsigned long offset = reloc_offset();
phandle u3, i2c, mpic;
u32 u3_rev;
u32 interrupts[2];
u32 parent;
/* Some G5s have a missing interrupt definition, fix it up here */
u3 = call_prom("finddevice", 1, 1, ADDR("/u3@0,f8000000"));
if ((long)u3 <= 0)
return;
i2c = call_prom("finddevice", 1, 1, ADDR("/u3@0,f8000000/i2c@f8001000"));
if ((long)i2c <= 0)
return;
mpic = call_prom("finddevice", 1, 1, ADDR("/u3@0,f8000000/mpic@f8040000"));
if ((long)mpic <= 0)
return;
/* check if proper rev of u3 */
if (prom_getprop(u3, "device-rev", &u3_rev, sizeof(u3_rev)) <= 0)
return;
if (u3_rev != 0x35)
return;
/* does it need fixup ? */
if (prom_getproplen(i2c, "interrupts") > 0)
return;
/* interrupt on this revision of u3 is number 0 and level */
interrupts[0] = 0;
interrupts[1] = 1;
prom_setprop(i2c, "interrupts", &interrupts, sizeof(interrupts));
parent = (u32)mpic;
prom_setprop(i2c, "interrupt-parent", &parent, sizeof(parent));
}
static void __init prom_find_boot_cpu(void)
{
@ -1919,6 +1956,11 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4, unsigned long
PTRRELOC(&prom_tce_alloc_end), sizeof(RELOC(prom_tce_alloc_end)));
}
/*
* Fixup any known bugs in the device-tree
*/
fixup_device_tree();
/*
* Now finally create the flattened device-tree
*/

2
crypto/internal.h
View File

@ -38,7 +38,7 @@ static inline void crypto_kunmap(void *vaddr, int out)
static inline void crypto_yield(struct crypto_tfm *tfm)
{
if (!in_softirq())
if (!in_atomic())
cond_resched();
}

4
drivers/base/core.c
View File

@ -245,6 +245,7 @@ int device_add(struct device *dev)
if ((error = kobject_add(&dev->kobj)))
goto Error;
kobject_hotplug(&dev->kobj, KOBJ_ADD);
if ((error = device_pm_add(dev)))
goto PMError;
if ((error = bus_add_device(dev)))
@ -257,14 +258,13 @@ int device_add(struct device *dev)
/* notify platform of device entry */
if (platform_notify)
platform_notify(dev);
kobject_hotplug(&dev->kobj, KOBJ_ADD);
Done:
put_device(dev);
return error;
BusError:
device_pm_remove(dev);
PMError:
kobject_hotplug(&dev->kobj, KOBJ_REMOVE);
kobject_del(&dev->kobj);
Error:
if (parent)

5
drivers/i2c/busses/i2c-keywest.c
View File

@ -516,6 +516,11 @@ create_iface(struct device_node *np, struct device *dev)
u32 *psteps, *prate;
int rc;
if (np->n_intrs < 1 || np->n_addrs < 1) {
printk(KERN_ERR "%s: Missing interrupt or address !\n",
np->full_name);
return -ENODEV;
}
if (pmac_low_i2c_lock(np))
return -ENODEV;

10
drivers/media/video/saa7134/saa6752hs.c
View File

@ -43,15 +43,15 @@ enum saa6752hs_videoformat {
static const struct v4l2_format v4l2_format_table[] =
{
[SAA6752HS_VF_D1] = {
.fmt.pix.width = 720, .fmt.pix.height = 576 },
.fmt = { .pix = { .width = 720, .height = 576 }, }, },
[SAA6752HS_VF_2_3_D1] = {
.fmt.pix.width = 480, .fmt.pix.height = 576 },
.fmt = { .pix = { .width = 480, .height = 576 }, }, },
[SAA6752HS_VF_1_2_D1] = {
.fmt.pix.width = 352, .fmt.pix.height = 576 },
.fmt = { .pix = { .width = 352, .height = 576 }, }, },
[SAA6752HS_VF_SIF] = {
.fmt.pix.width = 352, .fmt.pix.height = 288 },
.fmt = { .pix = { .width = 352, .height = 288 }, }, },
[SAA6752HS_VF_UNKNOWN] = {
.fmt.pix.width = 0, .fmt.pix.height = 0},
.fmt = { .pix = { .width = 0, .height = 0 }, }, },
};
struct saa6752hs_state {

5
drivers/mmc/mmc_block.c
View File

@ -383,7 +383,10 @@ static int mmc_blk_probe(struct mmc_card *card)
struct mmc_blk_data *md;
int err;
if (card->csd.cmdclass & ~0x1ff)
/*
* Check that the card supports the command class(es) we need.
*/
if (!(card->csd.cmdclass & CCC_BLOCK_READ))
return -ENODEV;
if (card->csd.read_blkbits < 9) {

8
drivers/net/tg3.c
View File

@ -61,8 +61,8 @@
#define DRV_MODULE_NAME "tg3"
#define PFX DRV_MODULE_NAME ": "
#define DRV_MODULE_VERSION "3.27"
#define DRV_MODULE_RELDATE "May 5, 2005"
#define DRV_MODULE_VERSION "3.29"
#define DRV_MODULE_RELDATE "May 23, 2005"
#define TG3_DEF_MAC_MODE 0
#define TG3_DEF_RX_MODE 0
@ -206,6 +206,8 @@ static struct pci_device_id tg3_pci_tbl[] = {
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M,
@ -8994,7 +8996,7 @@ static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dm
return ret;
}
#define TEST_BUFFER_SIZE 0x400
#define TEST_BUFFER_SIZE 0x2000
static int __devinit tg3_test_dma(struct tg3 *tp)
{

7
drivers/scsi/aic7xxx/aic7xxx_osm.c
View File

@ -659,8 +659,11 @@ ahc_linux_slave_alloc(struct scsi_device *device)
ahc_lock(ahc, &flags);
targ = ahc->platform_data->targets[target_offset];
if (targ == NULL) {
targ = ahc_linux_alloc_target(ahc, starget->channel, starget->id);
struct seeprom_config *sc = ahc->seep_config;
struct seeprom_config *sc;
targ = ahc_linux_alloc_target(ahc, starget->channel,
starget->id);
sc = ahc->seep_config;
if (targ == NULL)
goto out;

19
drivers/serial/8250.c
View File

@ -682,8 +682,6 @@ static void autoconfig_16550a(struct uart_8250_port *up)
* from EXCR1. Switch back to bank 0, change it in MCR. Then
* switch back to bank 2, read it from EXCR1 again and check
* it's changed. If so, set baud_base in EXCR2 to 921600. -- dwmw2
* On PowerPC we don't want to change baud_base, as we have
* a number of different divisors. -- Tom Rini
*/
serial_outp(up, UART_LCR, 0);
status1 = serial_in(up, UART_MCR);
@ -699,16 +697,25 @@ static void autoconfig_16550a(struct uart_8250_port *up)
serial_outp(up, UART_MCR, status1);
if ((status2 ^ status1) & UART_MCR_LOOP) {
#ifndef CONFIG_PPC
unsigned short quot;
serial_outp(up, UART_LCR, 0xE0);
quot = serial_inp(up, UART_DLM) << 8;
quot += serial_inp(up, UART_DLL);
quot <<= 3;
status1 = serial_in(up, 0x04); /* EXCR1 */
status1 &= ~0xB0; /* Disable LOCK, mask out PRESL[01] */
status1 |= 0x10; /* 1.625 divisor for baud_base --> 921600 */
serial_outp(up, 0x04, status1);
serial_outp(up, UART_LCR, 0);
up->port.uartclk = 921600*16;
#endif
serial_outp(up, UART_DLL, quot & 0xff);
serial_outp(up, UART_DLM, quot >> 8);
serial_outp(up, UART_LCR, 0);
up->port.uartclk = 921600*16;
up->port.type = PORT_NS16550A;
up->capabilities |= UART_NATSEMI;
return;

1
fs/reiserfs/stree.c
View File

@ -230,7 +230,6 @@ const struct reiserfs_key MAX_KEY = {
__constant_cpu_to_le32(0xffffffff)},}
};
const struct in_core_key MAX_IN_CORE_KEY = {~0U, ~0U, ~0ULL>>4, 15};
/* Get delimiting key of the buffer by looking for it in the buffers in the path, starting from the bottom
of the path, and going upwards. We must check the path's validity at each step. If the key is not in

4
fs/reiserfs/super.c
View File

@ -164,7 +164,9 @@ static int finish_unfinished (struct super_block * s)
/* compose key to look for "save" links */
max_cpu_key.version = KEY_FORMAT_3_5;
max_cpu_key.on_disk_key = MAX_IN_CORE_KEY;
max_cpu_key.on_disk_key.k_dir_id = ~0U;
max_cpu_key.on_disk_key.k_objectid = ~0U;
set_cpu_key_k_offset (&max_cpu_key, ~0U);
max_cpu_key.key_length = 3;
#ifdef CONFIG_QUOTA

39
include/linux/if_tr.h
View File

@ -9,7 +9,7 @@
*
* Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
* Donald Becker, <becker@super.org>
* Peter De Schrijver, <stud11@cc4.kuleuven.ac.be>
* Peter De Schrijver, <stud11@cc4.kuleuven.ac.be>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
@ -19,24 +19,16 @@
#ifndef _LINUX_IF_TR_H
#define _LINUX_IF_TR_H
/* IEEE 802.5 Token-Ring magic constants. The frame sizes omit the preamble
and FCS/CRC (frame check sequence). */
#define TR_ALEN 6 /* Octets in one ethernet addr */
#define TR_HLEN (sizeof(struct trh_hdr)+sizeof(struct trllc))
#define AC 0x10
#define LLC_FRAME 0x40
#if 0
#define ETH_HLEN 14 /* Total octets in header. */
#define ETH_ZLEN 60 /* Min. octets in frame sans FCS */
#define ETH_DATA_LEN 1500 /* Max. octets in payload */
#define ETH_FRAME_LEN 1514 /* Max. octets in frame sans FCS */
#endif
#define TR_ALEN 6 /* Octets in one token-ring addr */
#define TR_HLEN (sizeof(struct trh_hdr)+sizeof(struct trllc))
#define AC 0x10
#define LLC_FRAME 0x40
/* LLC and SNAP constants */
#define EXTENDED_SAP 0xAA
#define UI_CMD 0x03
#define EXTENDED_SAP 0xAA
#define UI_CMD 0x03
/* This is an Token-Ring frame header. */
struct trh_hdr {
@ -96,14 +88,13 @@ struct tr_statistics {
};
/* source routing stuff */
#define TR_RII 0x80
#define TR_RCF_DIR_BIT 0x80
#define TR_RCF_LEN_MASK 0x1f00
#define TR_RCF_BROADCAST 0x8000 /* all-routes broadcast */
#define TR_RCF_LIMITED_BROADCAST 0xC000 /* single-route broadcast */
#define TR_RCF_FRAME2K 0x20
#define TR_RCF_BROADCAST_MASK 0xC000
#define TR_MAXRIFLEN 18
#define TR_RII 0x80
#define TR_RCF_DIR_BIT 0x80
#define TR_RCF_LEN_MASK 0x1f00
#define TR_RCF_BROADCAST 0x8000 /* all-routes broadcast */
#define TR_RCF_LIMITED_BROADCAST 0xC000 /* single-route broadcast */
#define TR_RCF_FRAME2K 0x20
#define TR_RCF_BROADCAST_MASK 0xC000
#define TR_MAXRIFLEN 18
#endif /* _LINUX_IF_TR_H */

27
include/linux/mmc/protocol.h
View File

@ -195,6 +195,33 @@ struct _mmc_csd {
#define MMC_VDD_35_36 0x00800000 /* VDD voltage 3.5 ~ 3.6 */
#define MMC_CARD_BUSY 0x80000000 /* Card Power up status bit */
/*
* Card Command Classes (CCC)
*/
#define CCC_BASIC (1<<0) /* (0) Basic protocol functions */
/* (CMD0,1,2,3,4,7,9,10,12,13,15) */
#define CCC_STREAM_READ (1<<1) /* (1) Stream read commands */
/* (CMD11) */
#define CCC_BLOCK_READ (1<<2) /* (2) Block read commands */
/* (CMD16,17,18) */
#define CCC_STREAM_WRITE (1<<3) /* (3) Stream write commands */
/* (CMD20) */
#define CCC_BLOCK_WRITE (1<<4) /* (4) Block write commands */
/* (CMD16,24,25,26,27) */
#define CCC_ERASE (1<<5) /* (5) Ability to erase blocks */
/* (CMD32,33,34,35,36,37,38,39) */
#define CCC_WRITE_PROT (1<<6) /* (6) Able to write protect blocks */
/* (CMD28,29,30) */
#define CCC_LOCK_CARD (1<<7) /* (7) Able to lock down card */
/* (CMD16,CMD42) */
#define CCC_APP_SPEC (1<<8) /* (8) Application specific */
/* (CMD55,56,57,ACMD*) */
#define CCC_IO_MODE (1<<9) /* (9) I/O mode */
/* (CMD5,39,40,52,53) */
#define CCC_SWITCH (1<<10) /* (10) High speed switch */
/* (CMD6,34,35,36,37,50) */
/* (11) Reserved */
/* (CMD?) */
/*
* CSD field definitions

1
include/linux/net.h
View File

@ -101,7 +101,6 @@ enum sock_type {
* @sk: internal networking protocol agnostic socket representation
* @wait: wait queue for several uses
* @type: socket type (%SOCK_STREAM, etc)
* @passcred: credentials (used only in Unix Sockets (aka PF_LOCAL))
*/
struct socket {
socket_state state;

2
include/linux/netdevice.h
View File

@ -503,7 +503,7 @@ static inline void *netdev_priv(struct net_device *dev)
#define SET_NETDEV_DEV(net, pdev) ((net)->class_dev.dev = (pdev))
struct packet_type {
unsigned short type; /* This is really htons(ether_type). */
__be16 type; /* This is really htons(ether_type). */
struct net_device *dev; /* NULL is wildcarded here */
int (*func) (struct sk_buff *, struct net_device *,
struct packet_type *);

1
include/linux/pci_ids.h
View File

@ -2064,6 +2064,7 @@
#define PCI_VENDOR_ID_BROADCOM 0x14e4
#define PCI_DEVICE_ID_TIGON3_5752 0x1600
#define PCI_DEVICE_ID_TIGON3_5752M 0x1601
#define PCI_DEVICE_ID_TIGON3_5700 0x1644
#define PCI_DEVICE_ID_TIGON3_5701 0x1645
#define PCI_DEVICE_ID_TIGON3_5702 0x1646

8
include/linux/spinlock.h
View File

@ -248,7 +248,7 @@ typedef struct {
#define _spin_trylock_bh(lock) ({preempt_disable(); local_bh_disable(); \
_raw_spin_trylock(lock) ? \
1 : ({preempt_enable(); local_bh_enable(); 0;});})
1 : ({preempt_enable_no_resched(); local_bh_enable(); 0;});})
#define _spin_lock(lock) \
do { \
@ -383,7 +383,7 @@ do { \
#define _spin_unlock_bh(lock) \
do { \
_raw_spin_unlock(lock); \
preempt_enable(); \
preempt_enable_no_resched(); \
local_bh_enable(); \
__release(lock); \
} while (0)
@ -391,7 +391,7 @@ do { \
#define _write_unlock_bh(lock) \
do { \
_raw_write_unlock(lock); \
preempt_enable(); \
preempt_enable_no_resched(); \
local_bh_enable(); \
__release(lock); \
} while (0)
@ -423,8 +423,8 @@ do { \
#define _read_unlock_bh(lock) \
do { \
_raw_read_unlock(lock); \
preempt_enable_no_resched(); \
local_bh_enable(); \
preempt_enable(); \
__release(lock); \
} while (0)

4
include/linux/wait.h
View File

@ -386,9 +386,7 @@ int wake_bit_function(wait_queue_t *wait, unsigned mode, int sync, void *key);
wait_queue_t name = { \
.task = current, \
.func = autoremove_wake_function, \
.task_list = { .next = &(name).task_list, \
.prev = &(name).task_list, \
}, \
.task_list = LIST_HEAD_INIT((name).task_list), \
}
#define DEFINE_WAIT_BIT(name, word, bit) \

11
kernel/signal.c
View File

@ -522,7 +522,16 @@ static int __dequeue_signal(struct sigpending *pending, sigset_t *mask,
{
int sig = 0;
sig = next_signal(pending, mask);
/* SIGKILL must have priority, otherwise it is quite easy
* to create an unkillable process, sending sig < SIGKILL
* to self */
if (unlikely(sigismember(&pending->signal, SIGKILL))) {
if (!sigismember(mask, SIGKILL))
sig = SIGKILL;
}
if (likely(!sig))
sig = next_signal(pending, mask);
if (sig) {
if (current->notifier) {
if (sigismember(current->notifier_mask, sig)) {

8
kernel/spinlock.c
View File

@ -294,7 +294,7 @@ EXPORT_SYMBOL(_spin_unlock_irq);
void __lockfunc _spin_unlock_bh(spinlock_t *lock)
{
_raw_spin_unlock(lock);
preempt_enable();
preempt_enable_no_resched();
local_bh_enable();
}
EXPORT_SYMBOL(_spin_unlock_bh);
@ -318,7 +318,7 @@ EXPORT_SYMBOL(_read_unlock_irq);
void __lockfunc _read_unlock_bh(rwlock_t *lock)
{
_raw_read_unlock(lock);
preempt_enable();
preempt_enable_no_resched();
local_bh_enable();
}
EXPORT_SYMBOL(_read_unlock_bh);
@ -342,7 +342,7 @@ EXPORT_SYMBOL(_write_unlock_irq);
void __lockfunc _write_unlock_bh(rwlock_t *lock)
{
_raw_write_unlock(lock);
preempt_enable();
preempt_enable_no_resched();
local_bh_enable();
}
EXPORT_SYMBOL(_write_unlock_bh);
@ -354,7 +354,7 @@ int __lockfunc _spin_trylock_bh(spinlock_t *lock)
if (_raw_spin_trylock(lock))
return 1;
preempt_enable();
preempt_enable_no_resched();
local_bh_enable();
return 0;
}

2
mm/filemap.c
View File

@ -1004,7 +1004,7 @@ __generic_file_aio_read(struct kiocb *iocb, const struct iovec *iov,
if (pos < size) {
retval = generic_file_direct_IO(READ, iocb,
iov, pos, nr_segs);
if (retval >= 0 && !is_sync_kiocb(iocb))
if (retval > 0 && !is_sync_kiocb(iocb))
retval = -EIOCBQUEUED;
if (retval > 0)
*ppos = pos + retval;

6
mm/rmap.c
View File

@ -626,7 +626,7 @@ static void try_to_unmap_cluster(unsigned long cursor,
pgd_t *pgd;
pud_t *pud;
pmd_t *pmd;
pte_t *pte;
pte_t *pte, *original_pte;
pte_t pteval;
struct page *page;
unsigned long address;
@ -658,7 +658,7 @@ static void try_to_unmap_cluster(unsigned long cursor,
if (!pmd_present(*pmd))
goto out_unlock;
for (pte = pte_offset_map(pmd, address);
for (original_pte = pte = pte_offset_map(pmd, address);
address < end; pte++, address += PAGE_SIZE) {
if (!pte_present(*pte))
@ -694,7 +694,7 @@ static void try_to_unmap_cluster(unsigned long cursor,
(*mapcount)--;
}
pte_unmap(pte);
pte_unmap(original_pte);
out_unlock:
spin_unlock(&mm->page_table_lock);
}

11
net/ipv4/tcp_input.c
View File

@ -4355,16 +4355,7 @@ int tcp_rcv_established(struct sock *sk, struct sk_buff *skb,
goto no_ack;
}
if (eaten) {
if (tcp_in_quickack_mode(tp)) {
tcp_send_ack(sk);
} else {
tcp_send_delayed_ack(sk);
}
} else {
__tcp_ack_snd_check(sk, 0);
}
__tcp_ack_snd_check(sk, 0);
no_ack:
if (eaten)
__kfree_skb(skb);

1
net/ipv6/xfrm6_output.c
View File

@ -84,6 +84,7 @@ static int xfrm6_tunnel_check_size(struct sk_buff *skb)
mtu = IPV6_MIN_MTU;
if (skb->len > mtu) {
skb->dev = dst->dev;
icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, skb->dev);
ret = -EMSGSIZE;
}