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yaml
---
r: 286800
b: refs/heads/master
c: b64b223
h: refs/heads/master
v: v3
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Ingo Molnar committed Jan 17, 2012
1 parent 661a875 commit 4a681ca
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Showing 337 changed files with 11,193 additions and 8,259 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 4410030646be072b82ec1892ad5cc7d91af384d8
refs/heads/master: b64b223aed5f8aeeb6c046f1b050a8f976b87de0
50 changes: 50 additions & 0 deletions trunk/Documentation/DocBook/debugobjects.tmpl
Original file line number Diff line number Diff line change
Expand Up @@ -96,6 +96,7 @@
<listitem><para>debug_object_deactivate</para></listitem>
<listitem><para>debug_object_destroy</para></listitem>
<listitem><para>debug_object_free</para></listitem>
<listitem><para>debug_object_assert_init</para></listitem>
</itemizedlist>
Each of these functions takes the address of the real object and
a pointer to the object type specific debug description
Expand Down Expand Up @@ -273,6 +274,26 @@
debug checks.
</para>
</sect1>

<sect1 id="debug_object_assert_init">
<title>debug_object_assert_init</title>
<para>
This function is called to assert that an object has been
initialized.
</para>
<para>
When the real object is not tracked by debugobjects, it calls
fixup_assert_init of the object type description structure
provided by the caller, with the hardcoded object state
ODEBUG_NOT_AVAILABLE. The fixup function can correct the problem
by calling debug_object_init and other specific initializing
functions.
</para>
<para>
When the real object is already tracked by debugobjects it is
ignored.
</para>
</sect1>
</chapter>
<chapter id="fixupfunctions">
<title>Fixup functions</title>
Expand Down Expand Up @@ -381,6 +402,35 @@
statistics.
</para>
</sect1>
<sect1 id="fixup_assert_init">
<title>fixup_assert_init</title>
<para>
This function is called from the debug code whenever a problem
in debug_object_assert_init is detected.
</para>
<para>
Called from debug_object_assert_init() with a hardcoded state
ODEBUG_STATE_NOTAVAILABLE when the object is not found in the
debug bucket.
</para>
<para>
The function returns 1 when the fixup was successful,
otherwise 0. The return value is used to update the
statistics.
</para>
<para>
Note, this function should make sure debug_object_init() is
called before returning.
</para>
<para>
The handling of statically initialized objects is a special
case. The fixup function should check if this is a legitimate
case of a statically initialized object or not. In this case only
debug_object_init() should be called to make the object known to
the tracker. Then the function should return 0 because this is not
a real fixup.
</para>
</sect1>
</chapter>
<chapter id="bugs">
<title>Known Bugs And Assumptions</title>
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12 changes: 8 additions & 4 deletions trunk/Documentation/kernel-parameters.txt
Original file line number Diff line number Diff line change
Expand Up @@ -1885,6 +1885,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
arch_perfmon: [X86] Force use of architectural
perfmon on Intel CPUs instead of the
CPU specific event set.
timer: [X86] Force use of architectural NMI
timer mode (see also oprofile.timer
for generic hr timer mode)
[s390] Force legacy basic mode sampling
(report cpu_type "timer")

oops=panic Always panic on oopses. Default is to just kill the
process, but there is a small probability of
Expand Down Expand Up @@ -2750,11 +2755,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
functions are at fixed addresses, they make nice
targets for exploits that can control RIP.

emulate Vsyscalls turn into traps and are emulated
reasonably safely.
emulate [default] Vsyscalls turn into traps and are
emulated reasonably safely.

native [default] Vsyscalls are native syscall
instructions.
native Vsyscalls are native syscall instructions.
This is a little bit faster than trapping
and makes a few dynamic recompilers work
better than they would in emulation mode.
Expand Down
2 changes: 0 additions & 2 deletions trunk/Documentation/trace/events.txt
Original file line number Diff line number Diff line change
Expand Up @@ -191,8 +191,6 @@ And for string fields they are:

Currently, only exact string matches are supported.

Currently, the maximum number of predicates in a filter is 16.

5.2 Setting filters
-------------------

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4 changes: 4 additions & 0 deletions trunk/arch/Kconfig
Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,10 @@ config OPROFILE_EVENT_MULTIPLEX
config HAVE_OPROFILE
bool

config OPROFILE_NMI_TIMER
def_bool y
depends on PERF_EVENTS && HAVE_PERF_EVENTS_NMI

config KPROBES
bool "Kprobes"
depends on MODULES
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1 change: 1 addition & 0 deletions trunk/arch/arm/kernel/setup.c
Original file line number Diff line number Diff line change
Expand Up @@ -52,6 +52,7 @@
#include <asm/mach/time.h>
#include <asm/traps.h>
#include <asm/unwind.h>
#include <asm/memblock.h>

#if defined(CONFIG_DEPRECATED_PARAM_STRUCT)
#include "compat.h"
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4 changes: 2 additions & 2 deletions trunk/arch/arm/mm/init.c
Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,7 @@

#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/memblock.h>

#include "mm.h"

Expand Down Expand Up @@ -332,7 +333,6 @@ void __init arm_memblock_init(struct meminfo *mi, struct machine_desc *mdesc)

sort(&meminfo.bank, meminfo.nr_banks, sizeof(meminfo.bank[0]), meminfo_cmp, NULL);

memblock_init();
for (i = 0; i < mi->nr_banks; i++)
memblock_add(mi->bank[i].start, mi->bank[i].size);

Expand Down Expand Up @@ -371,7 +371,7 @@ void __init arm_memblock_init(struct meminfo *mi, struct machine_desc *mdesc)
if (mdesc->reserve)
mdesc->reserve();

memblock_analyze();
memblock_allow_resize();
memblock_dump_all();
}

Expand Down
4 changes: 1 addition & 3 deletions trunk/arch/cris/arch-v32/kernel/time.c
Original file line number Diff line number Diff line change
Expand Up @@ -47,14 +47,12 @@ static struct clocksource cont_rotime = {
.rating = 300,
.read = read_cont_rotime,
.mask = CLOCKSOURCE_MASK(32),
.shift = 10,
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};

static int __init etrax_init_cont_rotime(void)
{
cont_rotime.mult = clocksource_khz2mult(100000, cont_rotime.shift);
clocksource_register(&cont_rotime);
clocksource_register_khz(&cont_rotime, 100000);
return 0;
}
arch_initcall(etrax_init_cont_rotime);
Expand Down
6 changes: 3 additions & 3 deletions trunk/arch/ia64/Kconfig
Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,9 @@ config IA64
select HAVE_ARCH_TRACEHOOK
select HAVE_DMA_API_DEBUG
select HAVE_GENERIC_HARDIRQS
select HAVE_MEMBLOCK
select HAVE_MEMBLOCK_NODE_MAP
select ARCH_DISCARD_MEMBLOCK
select GENERIC_IRQ_PROBE
select GENERIC_PENDING_IRQ if SMP
select IRQ_PER_CPU
Expand Down Expand Up @@ -474,9 +477,6 @@ config NODES_SHIFT
MAX_NUMNODES will be 2^(This value).
If in doubt, use the default.

config ARCH_POPULATES_NODE_MAP
def_bool y

# VIRTUAL_MEM_MAP and FLAT_NODE_MEM_MAP are functionally equivalent.
# VIRTUAL_MEM_MAP has been retained for historical reasons.
config VIRTUAL_MEM_MAP
Expand Down
72 changes: 34 additions & 38 deletions trunk/arch/ia64/include/asm/cputime.h
Original file line number Diff line number Diff line change
Expand Up @@ -26,86 +26,82 @@
#include <linux/jiffies.h>
#include <asm/processor.h>

typedef u64 cputime_t;
typedef u64 cputime64_t;
typedef u64 __nocast cputime_t;
typedef u64 __nocast cputime64_t;

#define cputime_zero ((cputime_t)0)
#define cputime_one_jiffy jiffies_to_cputime(1)
#define cputime_max ((~((cputime_t)0) >> 1) - 1)
#define cputime_add(__a, __b) ((__a) + (__b))
#define cputime_sub(__a, __b) ((__a) - (__b))
#define cputime_div(__a, __n) ((__a) / (__n))
#define cputime_halve(__a) ((__a) >> 1)
#define cputime_eq(__a, __b) ((__a) == (__b))
#define cputime_gt(__a, __b) ((__a) > (__b))
#define cputime_ge(__a, __b) ((__a) >= (__b))
#define cputime_lt(__a, __b) ((__a) < (__b))
#define cputime_le(__a, __b) ((__a) <= (__b))

#define cputime64_zero ((cputime64_t)0)
#define cputime64_add(__a, __b) ((__a) + (__b))
#define cputime64_sub(__a, __b) ((__a) - (__b))
#define cputime_to_cputime64(__ct) (__ct)

/*
* Convert cputime <-> jiffies (HZ)
*/
#define cputime_to_jiffies(__ct) ((__ct) / (NSEC_PER_SEC / HZ))
#define jiffies_to_cputime(__jif) ((__jif) * (NSEC_PER_SEC / HZ))
#define cputime64_to_jiffies64(__ct) ((__ct) / (NSEC_PER_SEC / HZ))
#define jiffies64_to_cputime64(__jif) ((__jif) * (NSEC_PER_SEC / HZ))
#define cputime_to_jiffies(__ct) \
((__force u64)(__ct) / (NSEC_PER_SEC / HZ))
#define jiffies_to_cputime(__jif) \
(__force cputime_t)((__jif) * (NSEC_PER_SEC / HZ))
#define cputime64_to_jiffies64(__ct) \
((__force u64)(__ct) / (NSEC_PER_SEC / HZ))
#define jiffies64_to_cputime64(__jif) \
(__force cputime64_t)((__jif) * (NSEC_PER_SEC / HZ))

/*
* Convert cputime <-> microseconds
*/
#define cputime_to_usecs(__ct) ((__ct) / NSEC_PER_USEC)
#define usecs_to_cputime(__usecs) ((__usecs) * NSEC_PER_USEC)
#define usecs_to_cputime64(__usecs) usecs_to_cputime(__usecs)
#define cputime_to_usecs(__ct) \
((__force u64)(__ct) / NSEC_PER_USEC)
#define usecs_to_cputime(__usecs) \
(__force cputime_t)((__usecs) * NSEC_PER_USEC)
#define usecs_to_cputime64(__usecs) \
(__force cputime64_t)((__usecs) * NSEC_PER_USEC)

/*
* Convert cputime <-> seconds
*/
#define cputime_to_secs(__ct) ((__ct) / NSEC_PER_SEC)
#define secs_to_cputime(__secs) ((__secs) * NSEC_PER_SEC)
#define cputime_to_secs(__ct) \
((__force u64)(__ct) / NSEC_PER_SEC)
#define secs_to_cputime(__secs) \
(__force cputime_t)((__secs) * NSEC_PER_SEC)

/*
* Convert cputime <-> timespec (nsec)
*/
static inline cputime_t timespec_to_cputime(const struct timespec *val)
{
cputime_t ret = val->tv_sec * NSEC_PER_SEC;
return (ret + val->tv_nsec);
u64 ret = val->tv_sec * NSEC_PER_SEC + val->tv_nsec;
return (__force cputime_t) ret;
}
static inline void cputime_to_timespec(const cputime_t ct, struct timespec *val)
{
val->tv_sec = ct / NSEC_PER_SEC;
val->tv_nsec = ct % NSEC_PER_SEC;
val->tv_sec = (__force u64) ct / NSEC_PER_SEC;
val->tv_nsec = (__force u64) ct % NSEC_PER_SEC;
}

/*
* Convert cputime <-> timeval (msec)
*/
static inline cputime_t timeval_to_cputime(struct timeval *val)
{
cputime_t ret = val->tv_sec * NSEC_PER_SEC;
return (ret + val->tv_usec * NSEC_PER_USEC);
u64 ret = val->tv_sec * NSEC_PER_SEC + val->tv_usec * NSEC_PER_USEC;
return (__force cputime_t) ret;
}
static inline void cputime_to_timeval(const cputime_t ct, struct timeval *val)
{
val->tv_sec = ct / NSEC_PER_SEC;
val->tv_usec = (ct % NSEC_PER_SEC) / NSEC_PER_USEC;
val->tv_sec = (__force u64) ct / NSEC_PER_SEC;
val->tv_usec = ((__force u64) ct % NSEC_PER_SEC) / NSEC_PER_USEC;
}

/*
* Convert cputime <-> clock (USER_HZ)
*/
#define cputime_to_clock_t(__ct) ((__ct) / (NSEC_PER_SEC / USER_HZ))
#define clock_t_to_cputime(__x) ((__x) * (NSEC_PER_SEC / USER_HZ))
#define cputime_to_clock_t(__ct) \
((__force u64)(__ct) / (NSEC_PER_SEC / USER_HZ))
#define clock_t_to_cputime(__x) \
(__force cputime_t)((__x) * (NSEC_PER_SEC / USER_HZ))

/*
* Convert cputime64 to clock.
*/
#define cputime64_to_clock_t(__ct) cputime_to_clock_t((cputime_t)__ct)
#define cputime64_to_clock_t(__ct) \
cputime_to_clock_t((__force cputime_t)__ct)

#endif /* CONFIG_VIRT_CPU_ACCOUNTING */
#endif /* __IA64_CPUTIME_H */
3 changes: 2 additions & 1 deletion trunk/arch/ia64/mm/contig.c
Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@
*/
#include <linux/bootmem.h>
#include <linux/efi.h>
#include <linux/memblock.h>
#include <linux/mm.h>
#include <linux/nmi.h>
#include <linux/swap.h>
Expand Down Expand Up @@ -348,7 +349,7 @@ paging_init (void)
printk("Virtual mem_map starts at 0x%p\n", mem_map);
}
#else /* !CONFIG_VIRTUAL_MEM_MAP */
add_active_range(0, 0, max_low_pfn);
memblock_add_node(0, PFN_PHYS(max_low_pfn), 0);
free_area_init_nodes(max_zone_pfns);
#endif /* !CONFIG_VIRTUAL_MEM_MAP */
zero_page_memmap_ptr = virt_to_page(ia64_imva(empty_zero_page));
Expand Down
4 changes: 2 additions & 2 deletions trunk/arch/ia64/mm/init.c
Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@
#include <linux/bootmem.h>
#include <linux/efi.h>
#include <linux/elf.h>
#include <linux/memblock.h>
#include <linux/mm.h>
#include <linux/mmzone.h>
#include <linux/module.h>
Expand Down Expand Up @@ -557,8 +558,7 @@ int __init register_active_ranges(u64 start, u64 len, int nid)
#endif

if (start < end)
add_active_range(nid, __pa(start) >> PAGE_SHIFT,
__pa(end) >> PAGE_SHIFT);
memblock_add_node(__pa(start), end - start, nid);
return 0;
}

Expand Down
4 changes: 1 addition & 3 deletions trunk/arch/m68k/platform/68328/timers.c
Original file line number Diff line number Diff line change
Expand Up @@ -93,7 +93,6 @@ static struct clocksource m68328_clk = {
.name = "timer",
.rating = 250,
.read = m68328_read_clk,
.shift = 20,
.mask = CLOCKSOURCE_MASK(32),
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
Expand All @@ -115,8 +114,7 @@ void hw_timer_init(void)

/* Enable timer 1 */
TCTL |= TCTL_TEN;
m68328_clk.mult = clocksource_hz2mult(TICKS_PER_JIFFY*HZ, m68328_clk.shift);
clocksource_register(&m68328_clk);
clocksource_register_hz(&m68328_clk, TICKS_PER_JIFFY*HZ);
}

/***************************************************************************/
Expand Down
5 changes: 1 addition & 4 deletions trunk/arch/m68k/platform/coldfire/dma_timer.c
Original file line number Diff line number Diff line change
Expand Up @@ -44,7 +44,6 @@ static struct clocksource clocksource_cf_dt = {
.rating = 200,
.read = cf_dt_get_cycles,
.mask = CLOCKSOURCE_MASK(32),
.shift = 20,
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};

Expand All @@ -60,9 +59,7 @@ static int __init init_cf_dt_clocksource(void)
__raw_writeb(0x00, DTER0);
__raw_writel(0x00000000, DTRR0);
__raw_writew(DMA_DTMR_CLK_DIV_16 | DMA_DTMR_ENABLE, DTMR0);
clocksource_cf_dt.mult = clocksource_hz2mult(DMA_FREQ,
clocksource_cf_dt.shift);
return clocksource_register(&clocksource_cf_dt);
return clocksource_register_hz(&clocksource_cf_dt, DMA_FREQ);
}

arch_initcall(init_cf_dt_clocksource);
Expand Down
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