Linus, please pull from:
git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial.git
This tree contains the following:
Adrian Bunk:
help text: SOFTWARE_SUSPEND doesn't need ACPI
fix a typo in the AIC7XXX_DEBUG_MASK help text
fix the email address of Wendy Xiong
typos: s/ducument/document/
Anders Larsen:
MTD: remove obsolete Kconfig options
Cal Peake:
BFP->BPF in Documentation/networking/tuntap.txt
Eric Sesterhenn:
BUG_ON() Conversion in md/dm-target.c
BUG_ON() Conversion in md/raid1.c
BUG_ON() Conversion in fs/direct-io.c
BUG_ON() Conversion in fs/exec.c
BUG_ON() Conversion in fs/hfsplus/
BUG_ON() Conversion in fs/jffs2/
BUG_ON() Conversion in fs/smbfs/
BUG_ON() Conversion in fs/sysfs/
BUG_ON() Conversion in ipc/util.c
BUG_ON() Conversion in kernel/printk.c
BUG_ON() Conversion in mm/mmap.c
BUG_ON() Conversion in mm/swap_state.c
BUG_ON() Conversion in mm/vmalloc.c
BUG_ON() Conversion in drivers/s390/block/dasd_erp.c
BUG_ON() Conversion in drivers/s390/char/tape_block.c
Horms:
Documentation: Reorder documentation of nomca and nomce
Documentation: Make fujitsu/frv/kernel-ABI.txt 80 columns wide
kexec: grammar fix for crash_save_this_cpu()
Kalin KOZHUHAROV:
Fix comments: s/granuality/granularity/
Michael Hayes:
Fix minor documentation typo
Stefan Richter:
Doc/kernel-parameters.txt: delete false version information and history
Doc/kernel-parameters.txt: mention modinfo and sysfs
Doc/kernel-parameters.txt: slightly reword sentence about restrictions
Uwe Zeisberger:
fix typo "Suposse" -> "Suppose"
Documentation/DocBook/Makefile | 2
Documentation/acpi-hotkey.txt | 2
Documentation/fujitsu/frv/kernel-ABI.txt | 196 +++++++++++++----------
Documentation/kernel-parameters.txt | 34 +--
Documentation/networking/packet_mmap.txt | 2
Documentation/networking/tuntap.txt | 2
arch/i386/kernel/crash.c | 2
drivers/md/dm-target.c | 3
drivers/md/raid1.c | 6
drivers/mtd/chips/Kconfig | 21 --
drivers/s390/block/dasd_erp.c | 8
drivers/s390/char/sclp_rw.c | 2
drivers/s390/char/tape_block.c | 13 -
drivers/scsi/aic7xxx/Kconfig.aic7xxx | 2
drivers/serial/jsm/jsm.h | 2
drivers/serial/jsm/jsm_driver.c | 2
drivers/serial/jsm/jsm_neo.c | 2
fs/direct-io.c | 3
fs/exec.c | 2
fs/hfsplus/bnode.c | 6
fs/hfsplus/btree.c | 3
fs/jffs2/background.c | 3
fs/smbfs/file.c | 6
fs/sysfs/inode.c | 3
include/linux/fs.h | 2
ipc/util.c | 6
kernel/power/Kconfig | 2
kernel/printk.c | 6
kernel/time.c | 8
mm/mmap.c | 9 -
mm/swap_state.c | 3
mm/vmalloc.c | 3
32 files changed, 170 insertions(+), 196 deletions(-)
diff --git a/Documentation/DocBook/Makefile b/Documentation/DocBook/Makefile
index 7d87dd7..5a2882d 100644
--- a/Documentation/DocBook/Makefile
+++ b/Documentation/DocBook/Makefile
@@ -2,7 +2,7 @@
# This makefile is used to generate the kernel documentation,
# primarily based on in-line comments in various source files.
# See Documentation/kernel-doc-nano-HOWTO.txt for instruction in how
-# to ducument the SRC - and how to read it.
+# to document the SRC - and how to read it.
# To add a new book the only step required is to add the book to the
# list of DOCBOOKS.
diff --git a/Documentation/acpi-hotkey.txt b/Documentation/acpi-hotkey.txt
index 744f1ae..38040fa 100644
--- a/Documentation/acpi-hotkey.txt
+++ b/Documentation/acpi-hotkey.txt
@@ -30,7 +30,7 @@ specific hotkey(event))
echo "event_num:event_type:event_argument" >
/proc/acpi/hotkey/action.
The result of the execution of this aml method is
-attached to /proc/acpi/hotkey/poll_method, which is dnyamically
+attached to /proc/acpi/hotkey/poll_method, which is dynamically
created. Please use command "cat /proc/acpi/hotkey/polling_method"
to retrieve it.
diff --git a/Documentation/fujitsu/frv/kernel-ABI.txt b/Documentation/fujitsu/frv/kernel-ABI.txt
index 0ed9b0a..8b0a5fc 100644
--- a/Documentation/fujitsu/frv/kernel-ABI.txt
+++ b/Documentation/fujitsu/frv/kernel-ABI.txt
@@ -1,17 +1,19 @@
- =================================
- INTERNAL KERNEL ABI FOR FR-V ARCH
- =================================
-
-The internal FRV kernel ABI is not quite the same as the userspace ABI. A number of the registers
-are used for special purposed, and the ABI is not consistent between modules vs core, and MMU vs
-no-MMU.
-
-This partly stems from the fact that FRV CPUs do not have a separate supervisor stack pointer, and
-most of them do not have any scratch registers, thus requiring at least one general purpose
-register to be clobbered in such an event. Also, within the kernel core, it is possible to simply
-jump or call directly between functions using a relative offset. This cannot be extended to modules
-for the displacement is likely to be too far. Thus in modules the address of a function to call
-must be calculated in a register and then used, requiring two extra instructions.
+ =================================
+ INTERNAL KERNEL ABI FOR FR-V ARCH
+ =================================
+
+The internal FRV kernel ABI is not quite the same as the userspace ABI. A
+number of the registers are used for special purposed, and the ABI is not
+consistent between modules vs core, and MMU vs no-MMU.
+
+This partly stems from the fact that FRV CPUs do not have a separate
+supervisor stack pointer, and most of them do not have any scratch
+registers, thus requiring at least one general purpose register to be
+clobbered in such an event. Also, within the kernel core, it is possible to
+simply jump or call directly between functions using a relative offset.
+This cannot be extended to modules for the displacement is likely to be too
+far. Thus in modules the address of a function to call must be calculated
+in a register and then used, requiring two extra instructions.
This document has the following sections:
@@ -39,7 +41,8 @@ When a system call is made, the followin
CPU OPERATING MODES
===================
-The FR-V CPU has three basic operating modes. In order of increasing capability:
+The FR-V CPU has three basic operating modes. In order of increasing
+capability:
(1) User mode.
@@ -47,42 +50,46 @@ The FR-V CPU has three basic operating m
(2) Kernel mode.
- Normal kernel mode. There are many additional control registers available that may be
- accessed in this mode, in addition to all the stuff available to user mode. This has two
- submodes:
+ Normal kernel mode. There are many additional control registers
+ available that may be accessed in this mode, in addition to all the
+ stuff available to user mode. This has two submodes:
(a) Exceptions enabled (PSR.T == 1).
- Exceptions will invoke the appropriate normal kernel mode handler. On entry to the
- handler, the PSR.T bit will be cleared.
+ Exceptions will invoke the appropriate normal kernel mode
+ handler. On entry to the handler, the PSR.T bit will be cleared.
(b) Exceptions disabled (PSR.T == 0).
- No exceptions or interrupts may happen. Any mandatory exceptions will cause the CPU to
- halt unless the CPU is told to jump into debug mode instead.
+ No exceptions or interrupts may happen. Any mandatory exceptions
+ will cause the CPU to halt unless the CPU is told to jump into
+ debug mode instead.
(3) Debug mode.
- No exceptions may happen in this mode. Memory protection and management exceptions will be
- flagged for later consideration, but the exception handler won't be invoked. Debugging traps
- such as hardware breakpoints and watchpoints will be ignored. This mode is entered only by
- debugging events obtained from the other two modes.
+ No exceptions may happen in this mode. Memory protection and
+ management exceptions will be flagged for later consideration, but
+ the exception handler won't be invoked. Debugging traps such as
+ hardware breakpoints and watchpoints will be ignored. This mode is
+ entered only by debugging events obtained from the other two modes.
- All kernel mode registers may be accessed, plus a few extra debugging specific registers.
+ All kernel mode registers may be accessed, plus a few extra debugging
+ specific registers.
=================================
INTERNAL KERNEL-MODE REGISTER ABI
=================================
-There are a number of permanent register assignments that are set up by entry.S in the exception
-prologue. Note that there is a complete set of exception prologues for each of user->kernel
-transition and kernel->kernel transition. There are also user->debug and kernel->debug mode
-transition prologues.
+There are a number of permanent register assignments that are set up by
+entry.S in the exception prologue. Note that there is a complete set of
+exception prologues for each of user->kernel transition and kernel->kernel
+transition. There are also user->debug and kernel->debug mode transition
+prologues.
REGISTER FLAVOUR USE
- =============== ======= ====================================================
+ =============== ======= ==============================================
GR1 Supervisor stack pointer
GR15 Current thread info pointer
GR16 GP-Rel base register for small data
@@ -92,10 +99,12 @@ transition prologues.
GR31 NOMMU Destroyed by debug mode entry
GR31 MMU Destroyed by TLB miss kernel mode entry
CCR.ICC2 Virtual interrupt disablement tracking
- CCCR.CC3 Cleared by exception prologue (atomic op emulation)
+ CCCR.CC3 Cleared by exception prologue
+ (atomic op emulation)
SCR0 MMU See mmu-layout.txt.
SCR1 MMU See mmu-layout.txt.
- SCR2 MMU Save for EAR0 (destroyed by icache insns in debug mode)
+ SCR2 MMU Save for EAR0 (destroyed by icache insns
+ in debug mode)
SCR3 MMU Save for GR31 during debug exceptions
DAMR/IAMR NOMMU Fixed memory protection layout.
DAMR/IAMR MMU See mmu-layout.txt.
@@ -104,18 +113,21 @@ transition prologues.
Certain registers are also used or modified across function calls:
REGISTER CALL RETURN
- =============== =============================== ===============================
+ =============== =============================== ======================
GR0 Fixed Zero -
GR2 Function call frame pointer
GR3 Special Preserved
GR3-GR7 - Clobbered
- GR8 Function call arg #1 Return value (or clobbered)
- GR9 Function call arg #2 Return value MSW (or clobbered)
+ GR8 Function call arg #1 Return value
+ (or clobbered)
+ GR9 Function call arg #2 Return value MSW
+ (or clobbered)
GR10-GR13 Function call arg #3-#6 Clobbered
GR14 - Clobbered
GR15-GR16 Special Preserved
GR17-GR27 - Preserved
- GR28-GR31 Special Only accessed explicitly
+ GR28-GR31 Special Only accessed
+ explicitly
LR Return address after CALL Clobbered
CCR/CCCR - Mostly Clobbered
@@ -124,46 +136,53 @@ Certain registers are also used or modif
INTERNAL DEBUG-MODE REGISTER ABI
================================
-This is the same as the kernel-mode register ABI for functions calls. The difference is that in
-debug-mode there's a different stack and a different exception frame. Almost all the global
-registers from kernel-mode (including the stack pointer) may be changed.
+This is the same as the kernel-mode register ABI for functions calls. The
+difference is that in debug-mode there's a different stack and a different
+exception frame. Almost all the global registers from kernel-mode
+(including the stack pointer) may be changed.
REGISTER FLAVOUR USE
- =============== ======= ====================================================
+ =============== ======= ==============================================
GR1 Debug stack pointer
GR16 GP-Rel base register for small data
- GR31 Current debug exception frame pointer (__debug_frame)
+ GR31 Current debug exception frame pointer
+ (__debug_frame)
SCR3 MMU Saved value of GR31
-Note that debug mode is able to interfere with the kernel's emulated atomic ops, so it must be
-exceedingly careful not to do any that would interact with the main kernel in this regard. Hence
-the debug mode code (gdbstub) is almost completely self-contained. The only external code used is
-the sprintf family of functions.
-
-Futhermore, break.S is so complicated because single-step mode does not switch off on entry to an
-exception. That means unless manually disabled, single-stepping will blithely go on stepping into
-things like interrupts. See gdbstub.txt for more information.
+Note that debug mode is able to interfere with the kernel's emulated atomic
+ops, so it must be exceedingly careful not to do any that would interact
+with the main kernel in this regard. Hence the debug mode code (gdbstub) is
+almost completely self-contained. The only external code used is the
+sprintf family of functions.
+
+Futhermore, break.S is so complicated because single-step mode does not
+switch off on entry to an exception. That means unless manually disabled,
+single-stepping will blithely go on stepping into things like interrupts.
+See gdbstub.txt for more information.
==========================
VIRTUAL INTERRUPT HANDLING
==========================
-Because accesses to the PSR is so slow, and to disable interrupts we have to access it twice (once
-to read and once to write), we don't actually disable interrupts at all if we don't have to. What
-we do instead is use the ICC2 condition code flags to note virtual disablement, such that if we
-then do take an interrupt, we note the flag, really disable interrupts, set another flag and resume
-execution at the point the interrupt happened. Setting condition flags as a side effect of an
-arithmetic or logical instruction is really fast. This use of the ICC2 only occurs within the
+Because accesses to the PSR is so slow, and to disable interrupts we have
+to access it twice (once to read and once to write), we don't actually
+disable interrupts at all if we don't have to. What we do instead is use
+the ICC2 condition code flags to note virtual disablement, such that if we
+then do take an interrupt, we note the flag, really disable interrupts, set
+another flag and resume execution at the point the interrupt happened.
+Setting condition flags as a side effect of an arithmetic or logical
+instruction is really fast. This use of the ICC2 only occurs within the
kernel - it does not affect userspace.
The flags we use are:
(*) CCR.ICC2.Z [Zero flag]
- Set to virtually disable interrupts, clear when interrupts are virtually enabled. Can be
- modified by logical instructions without affecting the Carry flag.
+ Set to virtually disable interrupts, clear when interrupts are
+ virtually enabled. Can be modified by logical instructions without
+ affecting the Carry flag.
(*) CCR.ICC2.C [Carry flag]
@@ -176,8 +195,9 @@ What happens is this:
ICC2.Z is 0, ICC2.C is 1.
- (2) An interrupt occurs. The exception prologue examines ICC2.Z and determines that nothing needs
- doing. This is done simply with an unlikely BEQ instruction.
+ (2) An interrupt occurs. The exception prologue examines ICC2.Z and
+ determines that nothing needs doing. This is done simply with an
+ unlikely BEQ instruction.
(3) The interrupts are disabled (local_irq_disable)
@@ -187,48 +207,56 @@ What happens is this:
ICC2.Z would be set to 0.
- A TIHI #2 instruction (trap #2 if condition HI - Z==0 && C==0) would be used to trap if
- interrupts were now virtually enabled, but physically disabled - which they're not, so the
- trap isn't taken. The kernel would then be back to state (1).
-
- (5) An interrupt occurs. The exception prologue examines ICC2.Z and determines that the interrupt
- shouldn't actually have happened. It jumps aside, and there disabled interrupts by setting
- PSR.PIL to 14 and then it clears ICC2.C.
+ A TIHI #2 instruction (trap #2 if condition HI - Z==0 && C==0) would
+ be used to trap if interrupts were now virtually enabled, but
+ physically disabled - which they're not, so the trap isn't taken. The
+ kernel would then be back to state (1).
+
+ (5) An interrupt occurs. The exception prologue examines ICC2.Z and
+ determines that the interrupt shouldn't actually have happened. It
+ jumps aside, and there disabled interrupts by setting PSR.PIL to 14
+ and then it clears ICC2.C.
(6) If interrupts were then saved and disabled again (local_irq_save):
- ICC2.Z would be shifted into the save variable and masked off (giving a 1).
+ ICC2.Z would be shifted into the save variable and masked off
+ (giving a 1).
- ICC2.Z would then be set to 1 (thus unchanged), and ICC2.C would be unaffected (ie: 0).
+ ICC2.Z would then be set to 1 (thus unchanged), and ICC2.C would be
+ unaffected (ie: 0).
(7) If interrupts were then restored from state (6) (local_irq_restore):
- ICC2.Z would be set to indicate the result of XOR'ing the saved value (ie: 1) with 1, which
- gives a result of 0 - thus leaving ICC2.Z set.
+ ICC2.Z would be set to indicate the result of XOR'ing the saved
+ value (ie: 1) with 1, which gives a result of 0 - thus leaving
+ ICC2.Z set.
ICC2.C would remain unaffected (ie: 0).
- A TIHI #2 instruction would be used to again assay the current state, but this would do
- nothing as Z==1.
+ A TIHI #2 instruction would be used to again assay the current state,
+ but this would do nothing as Z==1.
(8) If interrupts were then enabled (local_irq_enable):
- ICC2.Z would be cleared. ICC2.C would be left unaffected. Both flags would now be 0.
+ ICC2.Z would be cleared. ICC2.C would be left unaffected. Both
+ flags would now be 0.
- A TIHI #2 instruction again issued to assay the current state would then trap as both Z==0
- [interrupts virtually enabled] and C==0 [interrupts really disabled] would then be true.
+ A TIHI #2 instruction again issued to assay the current state would
+ then trap as both Z==0 [interrupts virtually enabled] and C==0
+ [interrupts really disabled] would then be true.
- (9) The trap #2 handler would simply enable hardware interrupts (set PSR.PIL to 0), set ICC2.C to
- 1 and return.
+ (9) The trap #2 handler would simply enable hardware interrupts
+ (set PSR.PIL to 0), set ICC2.C to 1 and return.
(10) Immediately upon returning, the pending interrupt would be taken.
-(11) The interrupt handler would take the path of actually processing the interrupt (ICC2.Z is
- clear, BEQ fails as per step (2)).
+(11) The interrupt handler would take the path of actually processing the
+ interrupt (ICC2.Z is clear, BEQ fails as per step (2)).
-(12) The interrupt handler would then set ICC2.C to 1 since hardware interrupts are definitely
- enabled - or else the kernel wouldn't be here.
+(12) The interrupt handler would then set ICC2.C to 1 since hardware
+ interrupts are definitely enabled - or else the kernel wouldn't be here.
(13) On return from the interrupt handler, things would be back to state (1).
-This trap (#2) is only available in kernel mode. In user mode it will result in SIGILL.
+This trap (#2) is only available in kernel mode. In user mode it will
+result in SIGILL.
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index f8cb55c..b3a6187 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1,4 +1,4 @@
-February 2003 Kernel Parameters v2.5.59
+ Kernel Parameters
~~~~~~~~~~~~~~~~~
The following is a consolidated list of the kernel parameters as implemented
@@ -17,9 +17,17 @@ are specified on the kernel command line
usbcore.blinkenlights=1
-The text in square brackets at the beginning of the description states the
-restrictions on the kernel for the said kernel parameter to be valid. The
-restrictions referred to are that the relevant option is valid if:
+This document may not be entirely up to date and comprehensive. The command
+"modinfo -p ${modulename}" shows a current list of all parameters of a loadable
+module. Loadable modules, after being loaded into the running kernel, also
+reveal their parameters in /sys/module/${modulename}/parameters/. Some of these
+parameters may be changed at runtime by the command
+"echo -n ${value} > /sys/module/${modulename}/parameters/${parm}".
+
+The parameters listed below are only valid if certain kernel build options were
+enabled and if respective hardware is present. The text in square brackets at
+the beginning of each description states the restrictions within which a
+parameter is applicable:
ACPI ACPI support is enabled.
ALSA ALSA sound support is enabled.
@@ -1046,10 +1054,10 @@ running once the system is up.
noltlbs [PPC] Do not use large page/tlb entries for kernel
lowmem mapping on PPC40x.
- nomce [IA-32] Machine Check Exception
-
nomca [IA-64] Disable machine check abort handling
+ nomce [IA-32] Machine Check Exception
+
noresidual [PPC] Don't use residual data on PReP machines.
noresume [SWSUSP] Disables resume and restores original swap
@@ -1682,20 +1690,6 @@ running once the system is up.
______________________________________________________________________
-Changelog:
-
-2000-06-?? Mr. Unknown
- The last known update (for 2.4.0) - the changelog was not kept before.
-
-2002-11-24 Petr Baudis <[email protected]>
- Randy Dunlap <[email protected]>
- Update for 2.5.49, description for most of the options introduced,
- references to other documentation (C files, READMEs, ..), added S390,
- PPC, SPARC, MTD, ALSA and OSS category. Minor corrections and
- reformatting.
-
-2005-10-19 Randy Dunlap <[email protected]>
- Lots of typos, whitespace, some reformatting.
TODO:
diff --git a/Documentation/networking/packet_mmap.txt b/Documentation/networking/packet_mmap.txt
index 4fc8e98..aaf99d5 100644
--- a/Documentation/networking/packet_mmap.txt
+++ b/Documentation/networking/packet_mmap.txt
@@ -254,7 +254,7 @@ and, the number of frames be
<block number> * <block size> / <frame size>
-Suposse the following parameters, which apply for 2.6 kernel and an
+Suppose the following parameters, which apply for 2.6 kernel and an
i386 architecture:
<size-max> = 131072 bytes
diff --git a/Documentation/networking/tuntap.txt b/Documentation/networking/tuntap.txt
index ec3d109..76750fb 100644
--- a/Documentation/networking/tuntap.txt
+++ b/Documentation/networking/tuntap.txt
@@ -138,7 +138,7 @@ This means that you have to read/write I
ethernet frames when using tap.
5. What is the difference between BPF and TUN/TAP driver?
-BFP is an advanced packet filter. It can be attached to existing
+BPF is an advanced packet filter. It can be attached to existing
network interface. It does not provide a virtual network interface.
A TUN/TAP driver does provide a virtual network interface and it is possible
to attach BPF to this interface.
diff --git a/arch/i386/kernel/crash.c b/arch/i386/kernel/crash.c
index e3c5fca..2b0cfce 100644
--- a/arch/i386/kernel/crash.c
+++ b/arch/i386/kernel/crash.c
@@ -69,7 +69,7 @@ static void crash_save_this_cpu(struct p
* for the data I pass, and I need tags
* on the data to indicate what information I have
* squirrelled away. ELF notes happen to provide
- * all of that that no need to invent something new.
+ * all of that, so there is no need to invent something new.
*/
buf = (u32*)per_cpu_ptr(crash_notes, cpu);
if (!buf)
diff --git a/drivers/md/dm-target.c b/drivers/md/dm-target.c
index aecd9e0..64fd8e7 100644
--- a/drivers/md/dm-target.c
+++ b/drivers/md/dm-target.c
@@ -78,8 +78,7 @@ void dm_put_target_type(struct target_ty
if (--ti->use == 0)
module_put(ti->tt.module);
- if (ti->use < 0)
- BUG();
+ BUG_ON(ti->use < 0);
up_read(&_lock);
return;
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 9b374c9..6081941 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1558,8 +1558,7 @@ static int init_resync(conf_t *conf)
int buffs;
buffs = RESYNC_WINDOW / RESYNC_BLOCK_SIZE;
- if (conf->r1buf_pool)
- BUG();
+ BUG_ON(conf->r1buf_pool);
conf->r1buf_pool = mempool_create(buffs, r1buf_pool_alloc, r1buf_pool_free,
conf->poolinfo);
if (!conf->r1buf_pool)
@@ -1732,8 +1731,7 @@ static sector_t sync_request(mddev_t *md
!conf->fullsync &&
!test_bit(MD_RECOVERY_REQUESTED, &mddev->recovery))
break;
- if (sync_blocks < (PAGE_SIZE>>9))
- BUG();
+ BUG_ON(sync_blocks < (PAGE_SIZE>>9));
if (len > (sync_blocks<<9))
len = sync_blocks<<9;
}
diff --git a/drivers/mtd/chips/Kconfig b/drivers/mtd/chips/Kconfig
index 0f6bb2e..a7ec595 100644
--- a/drivers/mtd/chips/Kconfig
+++ b/drivers/mtd/chips/Kconfig
@@ -200,27 +200,6 @@ config MTD_CFI_AMDSTD
provides support for one of those command sets, used on chips
including the AMD Am29LV320.
-config MTD_CFI_AMDSTD_RETRY
- int "Retry failed commands (erase/program)"
- depends on MTD_CFI_AMDSTD
- default "0"
- help
- Some chips, when attached to a shared bus, don't properly filter
- bus traffic that is destined to other devices. This broken
- behavior causes erase and program sequences to be aborted when
- the sequences are mixed with traffic for other devices.
-
- SST49LF040 (and related) chips are know to be broken.
-
-config MTD_CFI_AMDSTD_RETRY_MAX
- int "Max retries of failed commands (erase/program)"
- depends on MTD_CFI_AMDSTD_RETRY
- default "0"
- help
- If you have an SST49LF040 (or related chip) then this value should
- be set to at least 1. This can also be adjusted at driver load
- time with the retry_cmd_max module parameter.
-
config MTD_CFI_STAA
tristate "Support for ST (Advanced Architecture) flash chips"
depends on MTD_GEN_PROBE
diff --git a/drivers/s390/block/dasd_erp.c b/drivers/s390/block/dasd_erp.c
index 8fd71ab..b842377 100644
--- a/drivers/s390/block/dasd_erp.c
+++ b/drivers/s390/block/dasd_erp.c
@@ -32,9 +32,8 @@ dasd_alloc_erp_request(char *magic, int
int size;
/* Sanity checks */
- if ( magic == NULL || datasize > PAGE_SIZE ||
- (cplength*sizeof(struct ccw1)) > PAGE_SIZE)
- BUG();
+ BUG_ON( magic == NULL || datasize > PAGE_SIZE ||
+ (cplength*sizeof(struct ccw1)) > PAGE_SIZE);
size = (sizeof(struct dasd_ccw_req) + 7L) & -8L;
if (cplength > 0)
@@ -125,8 +124,7 @@ dasd_default_erp_postaction(struct dasd_
struct dasd_device *device;
int success;
- if (cqr->refers == NULL || cqr->function == NULL)
- BUG();
+ BUG_ON(cqr->refers == NULL || cqr->function == NULL);
device = cqr->device;
success = cqr->status == DASD_CQR_DONE;
diff --git a/drivers/s390/char/sclp_rw.c b/drivers/s390/char/sclp_rw.c
index ac10dfb..91e93c7 100644
--- a/drivers/s390/char/sclp_rw.c
+++ b/drivers/s390/char/sclp_rw.c
@@ -24,7 +24,7 @@
/*
* The room for the SCCB (only for writing) is not equal to a pages size
- * (as it is specified as the maximum size in the the SCLP ducumentation)
+ * (as it is specified as the maximum size in the the SCLP documentation)
* because of the additional data structure described above.
*/
#define MAX_SCCB_ROOM (PAGE_SIZE - sizeof(struct sclp_buffer))
diff --git a/drivers/s390/char/tape_block.c b/drivers/s390/char/tape_block.c
index 5ced272..5c65cf3 100644
--- a/drivers/s390/char/tape_block.c
+++ b/drivers/s390/char/tape_block.c
@@ -198,9 +198,7 @@ tapeblock_request_fn(request_queue_t *qu
device = (struct tape_device *) queue->queuedata;
DBF_LH(6, "tapeblock_request_fn(device=%p)\n", device);
- if (device == NULL)
- BUG();
-
+ BUG_ON(device == NULL);
tapeblock_trigger_requeue(device);
}
@@ -307,8 +305,7 @@ tapeblock_revalidate_disk(struct gendisk
int rc;
device = (struct tape_device *) disk->private_data;
- if (!device)
- BUG();
+ BUG_ON(!device);
if (!device->blk_data.medium_changed)
return 0;
@@ -440,11 +437,9 @@ tapeblock_ioctl(
rc = 0;
disk = inode->i_bdev->bd_disk;
- if (!disk)
- BUG();
+ BUG_ON(!disk);
device = disk->private_data;
- if (!device)
- BUG();
+ BUG_ON(!device);
minor = iminor(inode);
DBF_LH(6, "tapeblock_ioctl(0x%0x)\n", command);
diff --git a/drivers/scsi/aic7xxx/Kconfig.aic7xxx b/drivers/scsi/aic7xxx/Kconfig.aic7xxx
index 6c2c395..5517da5 100644
--- a/drivers/scsi/aic7xxx/Kconfig.aic7xxx
+++ b/drivers/scsi/aic7xxx/Kconfig.aic7xxx
@@ -86,7 +86,7 @@ config AIC7XXX_DEBUG_MASK
default "0"
help
Bit mask of debug options that is only valid if the
- CONFIG_AIC7XXX_DEBUG_ENBLE option is enabled. The bits in this mask
+ CONFIG_AIC7XXX_DEBUG_ENABLE option is enabled. The bits in this mask
are defined in the drivers/scsi/aic7xxx/aic7xxx.h - search for the
variable ahc_debug in that file to find them.
diff --git a/drivers/serial/jsm/jsm.h b/drivers/serial/jsm/jsm.h
index dfc1e86..043f50b 100644
--- a/drivers/serial/jsm/jsm.h
+++ b/drivers/serial/jsm/jsm.h
@@ -20,7 +20,7 @@
*
* Contact Information:
* Scott H Kilau <[email protected]>
- * Wendy Xiong <[email protected]>
+ * Wendy Xiong <[email protected]>
*
***********************************************************************/
diff --git a/drivers/serial/jsm/jsm_driver.c b/drivers/serial/jsm/jsm_driver.c
index b1b66e7..b3e1f71 100644
--- a/drivers/serial/jsm/jsm_driver.c
+++ b/drivers/serial/jsm/jsm_driver.c
@@ -20,7 +20,7 @@
*
* Contact Information:
* Scott H Kilau <[email protected]>
- * Wendy Xiong <[email protected]>
+ * Wendy Xiong <[email protected]>
*
*
***********************************************************************/
diff --git a/drivers/serial/jsm/jsm_neo.c b/drivers/serial/jsm/jsm_neo.c
index 87e4e2c..a5fc589 100644
--- a/drivers/serial/jsm/jsm_neo.c
+++ b/drivers/serial/jsm/jsm_neo.c
@@ -20,7 +20,7 @@
*
* Contact Information:
* Scott H Kilau <[email protected]>
- * Wendy Xiong <[email protected]>
+ * Wendy Xiong <[email protected]>
*
***********************************************************************/
#include <linux/delay.h> /* For udelay */
diff --git a/fs/direct-io.c b/fs/direct-io.c
index 910a8ed..b05d1b2 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -929,8 +929,7 @@ do_holes:
block_in_page += this_chunk_blocks;
dio->blocks_available -= this_chunk_blocks;
next_block:
- if (dio->block_in_file > dio->final_block_in_request)
- BUG();
+ BUG_ON(dio->block_in_file > dio->final_block_in_request);
if (dio->block_in_file == dio->final_block_in_request)
break;
}
diff --git a/fs/exec.c b/fs/exec.c
index 950ebd4..0291a68 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -561,7 +561,7 @@ static int exec_mmap(struct mm_struct *m
arch_pick_mmap_layout(mm);
if (old_mm) {
up_read(&old_mm->mmap_sem);
- if (active_mm != old_mm) BUG();
+ BUG_ON(active_mm != old_mm);
mmput(old_mm);
return 0;
}
diff --git a/fs/hfsplus/bnode.c b/fs/hfsplus/bnode.c
index 8f07e8f..746abc9 100644
--- a/fs/hfsplus/bnode.c
+++ b/fs/hfsplus/bnode.c
@@ -466,8 +466,7 @@ void hfs_bnode_unhash(struct hfs_bnode *
for (p = &node->tree->node_hash[hfs_bnode_hash(node->this)];
*p && *p != node; p = &(*p)->next_hash)
;
- if (!*p)
- BUG();
+ BUG_ON(!*p);
*p = node->next_hash;
node->tree->node_hash_cnt--;
}
@@ -622,8 +621,7 @@ void hfs_bnode_put(struct hfs_bnode *nod
dprint(DBG_BNODE_REFS, "put_node(%d:%d): %d\n",
node->tree->cnid, node->this, atomic_read(&node->refcnt));
- if (!atomic_read(&node->refcnt))
- BUG();
+ BUG_ON(!atomic_read(&node->refcnt));
if (!atomic_dec_and_lock(&node->refcnt, &tree->hash_lock))
return;
for (i = 0; i < tree->pages_per_bnode; i++) {
diff --git a/fs/hfsplus/btree.c b/fs/hfsplus/btree.c
index a67edfa..effa899 100644
--- a/fs/hfsplus/btree.c
+++ b/fs/hfsplus/btree.c
@@ -269,8 +269,7 @@ void hfs_bmap_free(struct hfs_bnode *nod
u8 *data, byte, m;
dprint(DBG_BNODE_MOD, "btree_free_node: %u\n", node->this);
- if (!node->this)
- BUG();
+ BUG_ON(!node->this);
tree = node->tree;
nidx = node->this;
node = hfs_bnode_find(tree, 0);
diff --git a/fs/jffs2/background.c b/fs/jffs2/background.c
index 7b77a95..ff2a872 100644
--- a/fs/jffs2/background.c
+++ b/fs/jffs2/background.c
@@ -35,8 +35,7 @@ int jffs2_start_garbage_collect_thread(s
pid_t pid;
int ret = 0;
- if (c->gc_task)
- BUG();
+ BUG_ON(c->gc_task);
init_completion(&c->gc_thread_start);
init_completion(&c->gc_thread_exit);
diff --git a/fs/smbfs/file.c b/fs/smbfs/file.c
index c56bd99..ed9a24d 100644
--- a/fs/smbfs/file.c
+++ b/fs/smbfs/file.c
@@ -178,11 +178,9 @@ smb_writepage(struct page *page, struct
unsigned offset = PAGE_CACHE_SIZE;
int err;
- if (!mapping)
- BUG();
+ BUG_ON(!mapping);
inode = mapping->host;
- if (!inode)
- BUG();
+ BUG_ON(!inode);
end_index = inode->i_size >> PAGE_CACHE_SHIFT;
diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c
index 4c29ac4..f0b347b 100644
--- a/fs/sysfs/inode.c
+++ b/fs/sysfs/inode.c
@@ -175,8 +175,7 @@ const unsigned char * sysfs_get_name(str
struct bin_attribute * bin_attr;
struct sysfs_symlink * sl;
- if (!sd || !sd->s_element)
- BUG();
+ BUG_ON(!sd || !sd->s_element);
switch (sd->s_type) {
case SYSFS_DIR:
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 4ed7e60..1e9ebab 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -864,7 +864,7 @@ struct super_block {
*/
struct mutex s_vfs_rename_mutex; /* Kludge */
- /* Granuality of c/m/atime in ns.
+ /* Granularity of c/m/atime in ns.
Cannot be worse than a second */
u32 s_time_gran;
};
diff --git a/ipc/util.c b/ipc/util.c
index 23151ef..5e785a2 100644
--- a/ipc/util.c
+++ b/ipc/util.c
@@ -266,8 +266,7 @@ struct kern_ipc_perm* ipc_rmid(struct ip
{
struct kern_ipc_perm* p;
int lid = id % SEQ_MULTIPLIER;
- if(lid >= ids->entries->size)
- BUG();
+ BUG_ON(lid >= ids->entries->size);
/*
* do not need a rcu_dereference()() here to force ordering
@@ -275,8 +274,7 @@ struct kern_ipc_perm* ipc_rmid(struct ip
*/
p = ids->entries->p[lid];
ids->entries->p[lid] = NULL;
- if(p==NULL)
- BUG();
+ BUG_ON(p==NULL);
ids->in_use--;
if (lid == ids->max_id) {
diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
index 9fd8d4f..ce0dfb8 100644
--- a/kernel/power/Kconfig
+++ b/kernel/power/Kconfig
@@ -41,7 +41,7 @@ config SOFTWARE_SUSPEND
depends on PM && SWAP && (X86 && (!SMP || SUSPEND_SMP)) || ((FRV || PPC32) && !SMP)
---help---
Enable the possibility of suspending the machine.
- It doesn't need APM.
+ It doesn't need ACPI or APM.
You may suspend your machine by 'swsusp' or 'shutdown -z <time>'
(patch for sysvinit needed).
diff --git a/kernel/printk.c b/kernel/printk.c
index 8cc1943..c056f33 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -360,8 +360,7 @@ static void call_console_drivers(unsigne
unsigned long cur_index, start_print;
static int msg_level = -1;
- if (((long)(start - end)) > 0)
- BUG();
+ BUG_ON(((long)(start - end)) > 0);
cur_index = start;
start_print = start;
@@ -708,8 +707,7 @@ int __init add_preferred_console(char *n
*/
void acquire_console_sem(void)
{
- if (in_interrupt())
- BUG();
+ BUG_ON(in_interrupt());
down(&console_sem);
console_locked = 1;
console_may_schedule = 1;
diff --git a/kernel/time.c b/kernel/time.c
index ff8e701..b00ddc7 100644
--- a/kernel/time.c
+++ b/kernel/time.c
@@ -410,7 +410,7 @@ EXPORT_SYMBOL(current_kernel_time);
* current_fs_time - Return FS time
* @sb: Superblock.
*
- * Return the current time truncated to the time granuality supported by
+ * Return the current time truncated to the time granularity supported by
* the fs.
*/
struct timespec current_fs_time(struct super_block *sb)
@@ -421,11 +421,11 @@ struct timespec current_fs_time(struct s
EXPORT_SYMBOL(current_fs_time);
/**
- * timespec_trunc - Truncate timespec to a granuality
+ * timespec_trunc - Truncate timespec to a granularity
* @t: Timespec
- * @gran: Granuality in ns.
+ * @gran: Granularity in ns.
*
- * Truncate a timespec to a granuality. gran must be smaller than a second.
+ * Truncate a timespec to a granularity. gran must be smaller than a second.
* Always rounds down.
*
* This function should be only used for timestamps returned by
diff --git a/mm/mmap.c b/mm/mmap.c
index 4f5b570..e780d19 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -294,8 +294,7 @@ void validate_mm(struct mm_struct *mm)
i = browse_rb(&mm->mm_rb);
if (i != mm->map_count)
printk("map_count %d rb %d\n", mm->map_count, i), bug = 1;
- if (bug)
- BUG();
+ BUG_ON(bug);
}
#else
#define validate_mm(mm) do { } while (0)
@@ -432,8 +431,7 @@ __insert_vm_struct(struct mm_struct * mm
struct rb_node ** rb_link, * rb_parent;
__vma = find_vma_prepare(mm, vma->vm_start,&prev, &rb_link, &rb_parent);
- if (__vma && __vma->vm_start < vma->vm_end)
- BUG();
+ BUG_ON(__vma && __vma->vm_start < vma->vm_end);
__vma_link(mm, vma, prev, rb_link, rb_parent);
mm->map_count++;
}
@@ -813,8 +811,7 @@ try_prev:
* (e.g. stash info in next's anon_vma_node when assigning
* an anon_vma, or when trying vma_merge). Another time.
*/
- if (find_vma_prev(vma->vm_mm, vma->vm_start, &near) != vma)
- BUG();
+ BUG_ON(find_vma_prev(vma->vm_mm, vma->vm_start, &near) != vma);
if (!near)
goto none;
diff --git a/mm/swap_state.c b/mm/swap_state.c
index d7af296..e0e1583 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -148,8 +148,7 @@ int add_to_swap(struct page * page, gfp_
swp_entry_t entry;
int err;
- if (!PageLocked(page))
- BUG();
+ BUG_ON(!PageLocked(page));
for (;;) {
entry = get_swap_page();
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 729eb3e..c0504f1 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -321,8 +321,7 @@ void __vunmap(void *addr, int deallocate
int i;
for (i = 0; i < area->nr_pages; i++) {
- if (unlikely(!area->pages[i]))
- BUG();
+ BUG_ON(!area->pages[i]);
__free_page(area->pages[i]);
}
-
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