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Linux 4.10-rc8

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Merge tag 'v4.10-rc8' into perf/core, to pick up fixes

Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar 2017-02-14 07:29:14 +01:00
commit 210f400d68
266 changed files with 1939 additions and 1129 deletions
Download patch file Download diff file Expand all files Collapse all files

4
include/linux/buffer_head.h
View file

@ -243,12 +243,10 @@ static inline int block_page_mkwrite_return(int err)
{
if (err == 0)
return VM_FAULT_LOCKED;
if (err == -EFAULT)
if (err == -EFAULT || err == -EAGAIN)
return VM_FAULT_NOPAGE;
if (err == -ENOMEM)
return VM_FAULT_OOM;
if (err == -EAGAIN)
return VM_FAULT_RETRY;
/* -ENOSPC, -EDQUOT, -EIO ... */
return VM_FAULT_SIGBUS;
}

8
include/linux/cpumask.h
View file

@ -560,7 +560,7 @@ static inline void cpumask_copy(struct cpumask *dstp,
static inline int cpumask_parse_user(const char __user *buf, int len,
struct cpumask *dstp)
{
return bitmap_parse_user(buf, len, cpumask_bits(dstp), nr_cpu_ids);
return bitmap_parse_user(buf, len, cpumask_bits(dstp), nr_cpumask_bits);
}
/**
@ -575,7 +575,7 @@ static inline int cpumask_parselist_user(const char __user *buf, int len,
struct cpumask *dstp)
{
return bitmap_parselist_user(buf, len, cpumask_bits(dstp),
nr_cpu_ids);
nr_cpumask_bits);
}
/**
@ -590,7 +590,7 @@ static inline int cpumask_parse(const char *buf, struct cpumask *dstp)
char *nl = strchr(buf, '\n');
unsigned int len = nl ? (unsigned int)(nl - buf) : strlen(buf);
return bitmap_parse(buf, len, cpumask_bits(dstp), nr_cpu_ids);
return bitmap_parse(buf, len, cpumask_bits(dstp), nr_cpumask_bits);
}
/**
@ -602,7 +602,7 @@ static inline int cpumask_parse(const char *buf, struct cpumask *dstp)
*/
static inline int cpulist_parse(const char *buf, struct cpumask *dstp)
{
return bitmap_parselist(buf, cpumask_bits(dstp), nr_cpu_ids);
return bitmap_parselist(buf, cpumask_bits(dstp), nr_cpumask_bits);
}
/**

17
include/linux/export.h
View file

@ -43,12 +43,19 @@ extern struct module __this_module;
#ifdef CONFIG_MODVERSIONS
/* Mark the CRC weak since genksyms apparently decides not to
* generate a checksums for some symbols */
#if defined(CONFIG_MODULE_REL_CRCS)
#define __CRC_SYMBOL(sym, sec) \
extern __visible void *__crc_##sym __attribute__((weak)); \
static const unsigned long __kcrctab_##sym \
__used \
__attribute__((section("___kcrctab" sec "+" #sym), used)) \
= (unsigned long) &__crc_##sym;
asm(" .section \"___kcrctab" sec "+" #sym "\", \"a\" \n" \
" .weak " VMLINUX_SYMBOL_STR(__crc_##sym) " \n" \
" .long " VMLINUX_SYMBOL_STR(__crc_##sym) " - . \n" \
" .previous \n");
#else
#define __CRC_SYMBOL(sym, sec) \
asm(" .section \"___kcrctab" sec "+" #sym "\", \"a\" \n" \
" .weak " VMLINUX_SYMBOL_STR(__crc_##sym) " \n" \
" .long " VMLINUX_SYMBOL_STR(__crc_##sym) " \n" \
" .previous \n");
#endif
#else
#define __CRC_SYMBOL(sym, sec)
#endif

32
include/linux/hyperv.h
View file

@ -128,6 +128,7 @@ struct hv_ring_buffer_info {
u32 ring_data_startoffset;
u32 priv_write_index;
u32 priv_read_index;
u32 cached_read_index;
};
/*
@ -180,6 +181,19 @@ static inline u32 hv_get_bytes_to_write(struct hv_ring_buffer_info *rbi)
return write;
}
static inline u32 hv_get_cached_bytes_to_write(
const struct hv_ring_buffer_info *rbi)
{
u32 read_loc, write_loc, dsize, write;
dsize = rbi->ring_datasize;
read_loc = rbi->cached_read_index;
write_loc = rbi->ring_buffer->write_index;
write = write_loc >= read_loc ? dsize - (write_loc - read_loc) :
read_loc - write_loc;
return write;
}
/*
* VMBUS version is 32 bit entity broken up into
* two 16 bit quantities: major_number. minor_number.
@ -1488,7 +1502,7 @@ hv_get_ring_buffer(struct hv_ring_buffer_info *ring_info)
static inline void hv_signal_on_read(struct vmbus_channel *channel)
{
u32 cur_write_sz;
u32 cur_write_sz, cached_write_sz;
u32 pending_sz;
struct hv_ring_buffer_info *rbi = &channel->inbound;
@ -1512,12 +1526,24 @@ static inline void hv_signal_on_read(struct vmbus_channel *channel)
cur_write_sz = hv_get_bytes_to_write(rbi);
if (cur_write_sz >= pending_sz)
if (cur_write_sz < pending_sz)
return;
cached_write_sz = hv_get_cached_bytes_to_write(rbi);
if (cached_write_sz < pending_sz)
vmbus_setevent(channel);
return;
}
static inline void
init_cached_read_index(struct vmbus_channel *channel)
{
struct hv_ring_buffer_info *rbi = &channel->inbound;
rbi->cached_read_index = rbi->ring_buffer->read_index;
}
/*
* An API to support in-place processing of incoming VMBUS packets.
*/
@ -1569,6 +1595,8 @@ static inline void put_pkt_raw(struct vmbus_channel *channel,
* This call commits the read index and potentially signals the host.
* Here is the pattern for using the "in-place" consumption APIs:
*
* init_cached_read_index();
*
* while (get_next_pkt_raw() {
* process the packet "in-place";
* put_pkt_raw();

17
include/linux/irq.h
View file

@ -184,6 +184,7 @@ struct irq_data {
*
* IRQD_TRIGGER_MASK - Mask for the trigger type bits
* IRQD_SETAFFINITY_PENDING - Affinity setting is pending
* IRQD_ACTIVATED - Interrupt has already been activated
* IRQD_NO_BALANCING - Balancing disabled for this IRQ
* IRQD_PER_CPU - Interrupt is per cpu
* IRQD_AFFINITY_SET - Interrupt affinity was set
@ -202,6 +203,7 @@ struct irq_data {
enum {
IRQD_TRIGGER_MASK = 0xf,
IRQD_SETAFFINITY_PENDING = (1 << 8),
IRQD_ACTIVATED = (1 << 9),
IRQD_NO_BALANCING = (1 << 10),
IRQD_PER_CPU = (1 << 11),
IRQD_AFFINITY_SET = (1 << 12),
@ -312,6 +314,21 @@ static inline bool irqd_affinity_is_managed(struct irq_data *d)
return __irqd_to_state(d) & IRQD_AFFINITY_MANAGED;
}
static inline bool irqd_is_activated(struct irq_data *d)
{
return __irqd_to_state(d) & IRQD_ACTIVATED;
}
static inline void irqd_set_activated(struct irq_data *d)
{
__irqd_to_state(d) |= IRQD_ACTIVATED;
}
static inline void irqd_clr_activated(struct irq_data *d)
{
__irqd_to_state(d) &= ~IRQD_ACTIVATED;
}
#undef __irqd_to_state
static inline irq_hw_number_t irqd_to_hwirq(struct irq_data *d)

13
include/linux/log2.h
View file

@ -203,6 +203,17 @@ unsigned long __rounddown_pow_of_two(unsigned long n)
* ... and so on.
*/
#define order_base_2(n) ilog2(roundup_pow_of_two(n))
static inline __attribute_const__
int __order_base_2(unsigned long n)
{
return n > 1 ? ilog2(n - 1) + 1 : 0;
}
#define order_base_2(n) \
( \
__builtin_constant_p(n) ? ( \
((n) == 0 || (n) == 1) ? 0 : \
ilog2((n) - 1) + 1) : \
__order_base_2(n) \
)
#endif /* _LINUX_LOG2_H */

3
include/linux/memory_hotplug.h
View file

@ -85,7 +85,8 @@ extern int zone_grow_waitqueues(struct zone *zone, unsigned long nr_pages);
extern int add_one_highpage(struct page *page, int pfn, int bad_ppro);
/* VM interface that may be used by firmware interface */
extern int online_pages(unsigned long, unsigned long, int);
extern int test_pages_in_a_zone(unsigned long, unsigned long);
extern int test_pages_in_a_zone(unsigned long start_pfn, unsigned long end_pfn,
unsigned long *valid_start, unsigned long *valid_end);
extern void __offline_isolated_pages(unsigned long, unsigned long);
typedef void (*online_page_callback_t)(struct page *page);

14
include/linux/module.h
View file

@ -346,7 +346,7 @@ struct module {
/* Exported symbols */
const struct kernel_symbol *syms;
const unsigned long *crcs;
const s32 *crcs;
unsigned int num_syms;
/* Kernel parameters. */
@ -359,18 +359,18 @@ struct module {
/* GPL-only exported symbols. */
unsigned int num_gpl_syms;
const struct kernel_symbol *gpl_syms;
const unsigned long *gpl_crcs;
const s32 *gpl_crcs;
#ifdef CONFIG_UNUSED_SYMBOLS
/* unused exported symbols. */
const struct kernel_symbol *unused_syms;
const unsigned long *unused_crcs;
const s32 *unused_crcs;
unsigned int num_unused_syms;
/* GPL-only, unused exported symbols. */
unsigned int num_unused_gpl_syms;
const struct kernel_symbol *unused_gpl_syms;
const unsigned long *unused_gpl_crcs;
const s32 *unused_gpl_crcs;
#endif
#ifdef CONFIG_MODULE_SIG
@ -382,7 +382,7 @@ struct module {
/* symbols that will be GPL-only in the near future. */
const struct kernel_symbol *gpl_future_syms;
const unsigned long *gpl_future_crcs;
const s32 *gpl_future_crcs;
unsigned int num_gpl_future_syms;
/* Exception table */
@ -523,7 +523,7 @@ struct module *find_module(const char *name);
struct symsearch {
const struct kernel_symbol *start, *stop;
const unsigned long *crcs;
const s32 *crcs;
enum {
NOT_GPL_ONLY,
GPL_ONLY,
@ -539,7 +539,7 @@ struct symsearch {
*/
const struct kernel_symbol *find_symbol(const char *name,
struct module **owner,
const unsigned long **crc,
const s32 **crc,
bool gplok,
bool warn);

4
include/linux/netdevice.h
View file

@ -1511,6 +1511,7 @@ enum netdev_priv_flags {
* @max_mtu: Interface Maximum MTU value
* @type: Interface hardware type
* @hard_header_len: Maximum hardware header length.
* @min_header_len: Minimum hardware header length
*
* @needed_headroom: Extra headroom the hardware may need, but not in all
* cases can this be guaranteed
@ -1728,6 +1729,7 @@ struct net_device {
unsigned int max_mtu;
unsigned short type;
unsigned short hard_header_len;
unsigned short min_header_len;
unsigned short needed_headroom;
unsigned short needed_tailroom;
@ -2694,6 +2696,8 @@ static inline bool dev_validate_header(const struct net_device *dev,
{
if (likely(len >= dev->hard_header_len))
return true;
if (len < dev->min_header_len)
return false;
if (capable(CAP_SYS_RAWIO)) {
memset(ll_header + len, 0, dev->hard_header_len - len);