- 11 May, 2007 30 commits
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Eric Sesterhenn / Snakebyte authored
This got somehow lost in the noise. This fixes coverity bug id #1025, if Rup is greater or equal to MAX_RUP, we run past the Mapping Array. Signed-off-by:
Eric Sesterhenn <snakebyte@gmx.de> Cc: Jiri Slaby <jirislaby@gmail.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Benjamin Herrenschmidt authored
Add a call to hard_irq_disable() to stop_machine so that we make sure IRQs are really disabled and not only lazy-disabled on archs like powerpc as some users of stop_machine() may rely on that. [akpm@linux-foundation.org: build fix] Signed-off-by:
Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by:
Rusty Russell <rusty@rustcorp.com.au> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by:
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Benjamin Herrenschmidt authored
Some architectures, like powerpc, implement lazy disabling of interrupts. That means that on those, local_irq_disable() doesn't actually disable interrupts on the CPU, but only sets some per CPU flag which cause them to be disabled only if an interrupt actually occurs. However, in some cases, such as stop_machine, we really want interrupts to be fully disabled. For example, I have code using stop machine to do ECC error injection, used to verify operations of the ECC hardware, that sort of thing. It really needs to make sure that nothing is actually writing to memory while the injection happens. Similar examples can be found in other low level bits and pieces. This patch implements a generic hard_irq_disable() function which is meant to be called -after- local_irq_disable() and ensures that interrupts are fully disabled on that CPU. The default implementation is a nop, though powerpc does already provide an appropriate one. Signed-off-by:
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Benjamin Herrenschmidt authored
This patch renames the raw hard_irq_{enable,disable} into __hard_irq_{enable,disable} and introduces a higher level hard_irq_disable() function that can be used by any code to enforce that IRQs are fully disabled, not only lazy disabled. The difference with the __ versions is that it will update some per-processor fields so that the kernel keeps track and properly re-enables them in the next local_irq_disable(); This prepares powerpc for my next patch that introduces hard_irq_disable() generically. Signed-off-by: -
Paul Fulghum authored
Add support for 32 bit ioctl on 64 bit systems for synclink_gt Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by:
Paul Fulghum <paulkf@microgate.com> Signed-off-by:
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Olaf Hering authored
Remove unused argument in is_pmbr_valid() Remove unneeded initialization of local variable legacy_mbr Signed-off-by:
Olaf Hering <olaf@aepfle.de> Signed-off-by:
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Stephen Rothwell authored
These files are almost all the same. This patch could be made even simpler if we don't mind POLLREMOVE turning up in a few architectures that didn't have it previously (which should be OK as POLLREMOVE is not used anywhere in the current tree). Signed-off-by:
Stephen Rothwell <sfr@canb.auug.org.au> Cc: <linux-arch@vger.kernel.org> Signed-off-by:
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Randy Dunlap authored
Based on ace_dump_mem() from Grant Likely for the Xilinx SystemACE CompactFlash interface. Add print_hex_dump() & hex_dumper() to lib/hexdump.c and linux/kernel.h. This patch adds the functions print_hex_dump() & hex_dumper(). print_hex_dump() can be used to perform a hex + ASCII dump of data to syslog, in an easily viewable format, thus providing a common text hex dump format. hex_dumper() provides a dump-to-memory function. It converts one "line" of output (16 bytes of input) at a time. Example usages: print_hex_dump(KERN_DEBUG, DUMP_PREFIX_ADDRESS, frame->data, frame->len); hex_dumper(frame->data, frame->len, linebuf, sizeof(linebuf)); Example output using %DUMP_PREFIX_OFFSET: 0009ab42: 40414243 44454647 48494a4b 4c4d4e4f-@ABCDEFG HIJKLMNO Example output using %DUMP_PREFIX_ADDRESS: ffffffff88089af0: 70717273 74757677 78797a7b 7c7d7e7f-pqrstuvw xyz{|}~. [akpm@linux-foundation.org: cleanups, add export] Signed-off-by:Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by:
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Eric Dumazet authored
If CONFIG_TASK_IO_ACCOUNTING is defined, we update io accounting counters for each task. This patch permits reporting of values using the well known getrusage() syscall, filling ru_inblock and ru_oublock instead of null values. As TASK_IO_ACCOUNTING currently counts bytes counts, we approximate blocks count doing : nr_blocks = nr_bytes / 512 Example of use : ---------------------- After patch is applied, /usr/bin/time command can now give a good approximation of IO that the process had to do. $ /usr/bin/time grep tototo /usr/include/* Command exited with non-zero status 1 0.00user 0.02system 0:02.11elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k 24288inputs+0outputs (0major+259minor)pagefaults 0swaps $ /usr/bin/time dd if=/dev/zero of=/tmp/testfile count=1000 1000+0 enregistrements lus 1000+0 enregistrements écrits 512000 octets (512 kB) copiés, 0,00326601 seconde, 157 MB/s 0.00user 0.00system 0:00.00elapsed 80%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+3000outputs (0major+299minor)pagefaults 0swaps Signed-off-by:
Eric Dumazet <dada1@cosmosbay.com> Cc: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by:
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Jeff Dike authored
Make kernel stacks be 1 page on i386 and 2 pages on x86_64. These match the host values. Signed-off-by:
Jeff Dike <jdike@linux.intel.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by:
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Jeff Dike authored
Add a separate IRQ stack. This differs from i386 in having the entire interrupt run on a separate stack rather than starting on the normal kernel stack and switching over once some preparation has been done. The underlying mechanism, is of course, sigaltstack. Another difference is that interrupts that happen in userspace are handled on the normal kernel stack. These cause a wait wakeup instead of a signal delivery so there is no point in trying to switch stacks for these. There's no other stuff on the stack, so there is no extra stack consumption. This quirk makes it possible to have the entire interrupt run on a separate stack - process preemption (and calls to schedule()) happens on a normal kernel stack. If we enable CONFIG_PREEMPT, this will need to be rethought. The IRQ stack for CPU 0 is declared in the same way as the initial kernel stack. IRQ stacks for other CPUs will be allocated dynamically. An extra field was added to the thread_info structure. When the active thread_info is copied to the IRQ stack, the real_thread field points back to the original stack. This makes it easy to tell where to copy the thread_info struct back to when the interrupt is finished. It also serves as a marker of a nested interrupt. It is NULL for the first interrupt on the stack, and non-NULL for any nested interrupts. Care is taken to behave correctly if a second interrupt comes in when the thread_info structure is being set up or taken down. I could just disable interrupts here, but I don't feel like giving up any of the performance gained by not flipping signals on and off. If an interrupt comes in during these critical periods, the handler can't run because it has no idea what shape the stack is in. So, it sets a bit for its signal in a global mask and returns. The outer handler will deal with this signal itself. Atomicity is had with xchg. A nested interrupt that needs to bail out will xchg its signal mask into pending_mask and repeat in case yet another interrupt hit at the same time, until the mask stabilizes. The outermost interrupt will set up the thread_info and xchg a zero into pending_mask when it is done. At this point, nested interrupts will look at ->real_thread and see that no setup needs to be done. They can just continue normally. Similar care needs to be taken when exiting the outer handler. If another interrupt comes in while it is copying the thread_info, it will drop a bit into pending_mask. The outer handler will check this and if it is non-zero, will loop, set up the stack again, and handle the interrupt. Signed-off-by:
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Jeff Dike authored
Some tidying of the irq code before introducing irq stacks. Mostly style fixes, but the timer handler calls the timer code directly rather than going through the generic sig_handler_common_skas. Signed-off-by:
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Jeff Dike authored
Now that we have UM_THREAD_SIZE, we can replace the calculations in user-space code (an earlier patch took care of the kernel side of the house). Signed-off-by:
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Jeff Dike authored
Replaced task_protections with stack_protections since they do the same thing, and task_protections was misnamed anyway. This needs THREAD_SIZE, so that's imported via common-offsets.h Also tidied up the code in the vicinity. Signed-off-by:
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Geert Uytterhoeven authored
Don't enable SYSV68 partition table support on all m68k boxes by default, only on Motorola VME boards. Signed-off-by:
Geert Uytterhoeven <geert@linux-m68k.org> Cc: Philippe De Muyter <phdm@macqel.be> Signed-off-by:
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Hirokazu Takata authored
This patch is required to handle file-mapped or swapped-out pages correctly. - Fix pte_to_pgoff() and pgoff_to_pte() macros not to include _PAGE_PROTNONE bit of PTE. Mask value for { ACCESSED, N, (R, W, X), L, G } is not 0xef but 0x7f. - Fix __swp_type() macro for MAX_SWAPFILES_SHIFT(=5), which is defined in include/linux/swap.h. * M32R TLB format [0] [1:19] [20:23] [24:31] +-----------------------+----+-------------+ | VPN |0000| ASID | +-----------------------+----+-------------+ +-+---------------------+----+-+---+-+-+-+-+ |0 PPN |0000|N|AC |L|G|V| | +-+---------------------+----+-+---+-+-+-+-+ || RWX | | * software bits in PTE || | +-- _PAGE_FILE | _PAGE_DIRTY || +---- _PAGE_PRESENT |+---------------- _PAGE_ACCESSED +----------------- _PAGE_PROTNONE Signed-off-by:Hitoshi Yamamoto <hitoshiy@linux-m32r.org> Signed-off-by:
Hirokazu Takata <takata@linux-m32r.org> Signed-off-by:
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Hirokazu Takata authored
Fix the tlb-miss handler (tme_handler) to check _PAGE_PRESENT bit in order to handle file-mapped or swapped-out pages correctly. This patch is required to fix unexpected page errors for m32r. Signed-off-by:
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Hirokazu Takata authored
This patch fixes a rarely-happened but severe scheduling problem of the recent m32r kernel of 2.6.17-rc3 or later. In the following previous m32r patch, the switch_to macro was modified not to do unnecessary push/pop operations for tuning. > [PATCH] m32r: update switch_to macro for tuning > 4127272c In this modification, only 'lr' and 'sp' registers are push/pop'ed, assuming that the m32r kernel is always compiled with -fomit-frame-pointer option. However, in 2.6 kernel, kernel/sched.c is irregularly compiled with -fno-omit-frame-pointer if CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER is not defined. -- kernel/Makefile -- : ifneq ($(CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER),y) # According to Alan Modra <alan@linuxcare.com.au>, the -fno-omit-frame-pointer is # needed for x86 only. Why this used to be enabled for all architectures is beyond # me. I suspect most platforms don't need this, but until we know that for sure # I turn this off for IA-64 only. Andreas Schwab says it's also needed on m68k # to get a correct value for the wait-channel (WCHAN in ps). --davidm CFLAGS_sched.o := $(PROFILING) -fno-omit-frame-pointer endif : --- Therefore, for the recent m32r kernel, we have to push/pop 'fp' (frame pointer) if CONFIG_FRAME_POINTER is defined or CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER is not defined. Signed-off-by:
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Yoshinori Sato authored
h8300 systemcall entry table update. Signed-off-by:
Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by:
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David Rientjes authored
Replace function instances of __attribute__((unused)) with __maybe_unused to suppress warnings. Cc: David Howells <dhowells@redhat.com> Signed-off-by:
David Rientjes <rientjes@google.com> Signed-off-by:
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Christoph Lameter authored
VM statistics updates do not matter if the kernel is in idle powersaving mode. So allow the timer to be deferred. It would be better though if we could switch the timer between deferrable and nondeferrable based on differentials present. The timer would start out nondeferrable and if we find that there were no updates in the last statistics interval then we would switch the timer to deferrable. If the timer later finds again that there are differentials then go to nondeferrable again. And yet another way would be to run the timer shortly before going to idle? The solution here means that the VM counters may be slightly off during idle since differentials may be still pending while the timer is deferred. Signed-off-by:
Christoph Lameter <clameter@sgi.com> Signed-off-by:
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David Howells authored
Implement the statfs() op for AFS. Signed-off-by:
David Howells <dhowells@redhat.com> Signed-off-by:
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David Howells authored
Fix a couple of problems with unlinking AFS files. (1) The parent directory wasn't being updated properly between unlink() and the following lookup(). It seems that, for some reason, invalidate_remote_inode() wasn't discarding the directory contents correctly, so this patch calls invalidate_inode_pages2() instead on non-regular files. (2) afs_vnode_deleted_remotely() should handle vnodes that don't have a source server recorded without oopsing. Signed-off-by: -
David Howells authored
Following bug was uncovered by compiling with '-W' flag: CC [M] fs/afs/write.o fs/afs/write.c: In function âafs_write_back_from_locked_pageâ: fs/afs/write.c:398: warning: comparison of unsigned expression >= 0 is always true Loop variable 'n' is unsigned, so wraps around happily as far as I can see. Trival fix attached (compile tested only). Signed-off-by:
Mika Kukkonen <mikukkon@iki.fi> Signed-off-by:
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Andi Kleen authored
Add epoll_pwait() (akpm: stolen from Andi's queue, because I want to send the signalfd patches which also add syscalls. Not sure what the __IGNORE_getcpu is for). Signed-off-by:
Andi Kleen <ak@suse.de> Signed-off-by:
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David Brownell authored
Documentation/gpio.txt should mention the Kconfig GENERIC_GPIO flag, for platforms to declare when relevant. This should help minimize goofs like omitting it, or not depending on it when needed. Signed-off-by:
David Brownell <dbrownell@users.sourceforge.net> Signed-off-by:
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Mika Kukkonen authored
Following bug was uncovered by compiling with '-W' flag: CC mm/thrash.o mm/thrash.c: In function âgrab_swap_tokenâ: mm/thrash.c:52: warning: comparison of unsigned expression < 0 is always false Variable token_priority is unsigned, so decrementing first and then checking the result does not work; fixed by reversing the test, patch attached (compile tested only). I am not sure if likely() makes much sense in this new situation, but I'll let somebody else to make a decision on that. Signed-off-by:
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Vivek Goyal authored
o x86_64 kernel needs to be compiled for 2MB aligned addresses. Currently we are using BUILD_BUG_ON() to warn the user if he has not done so. But looks like folks are not finding message very intutive and don't open the respective c file to find problem source. (Bug 8439) arch/x86_64/kernel/head64.c: In function 'x86_64_start_kernel': arch/x86_64/kernel/head64.c:70: error: size of array 'type name' is negative o Using preprocessor directive #error to print a better message if CONFIG_PHYSICAL_START is not aligned to 2MB boundary. Signed-off-by:
Vivek Goyal <vgoyal@in.ibm.com> Cc: Andi Kleen <ak@suse.de> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by:
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Joerg Roedel authored
A recent change makes my Dell 1501 hang on boot. It's an AMD MK-36. I use an x86_64 kernel. It is 100% reproducible. I debugged this problem a bit and my compiler[1]interprets the =A constraint as %rax instead of %edx:%eax on x86_64 which causes the problem. The appended patch provides a workaround for this and fixed the hang on my machine. [1] gcc version 4.1.3 20070429 (prerelease) (Debian 4.1.2-5) Signed-off-by:
Joerg Roedel <joerg.roedel@amd.com> Cc: Andi Kleen <ak@suse.de> Cc: Benny Halevy <bhalevy@panasas.com> Cc: Pete Zaitcev <zaitcev@redhat.com> Cc: "Joerg Roedel" <joerg.roedel@amd.com> Signed-off-by:
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J. Bruce Fields authored
In 9d6a8c5c we changed posix_test_lock to modify its single file_lock argument instead of taking separate input and output arguments. This makes it no longer safe to set the output lock's fl_type to F_UNLCK before looking for a conflict, since that means searching for a conflict against a lock with type F_UNLCK. This fixes a regression which causes F_GETLK to incorrectly report no conflict on most filesystems (including any filesystem that doesn't do its own locking). Also fix posix_lock_to_flock() to copy the lock type. This isn't strictly necessary, since the caller already does this; but it seems less likely to cause confusion in the future. Thanks to Doug Chapman for the bug report. Signed-off-by:
"J. Bruce Fields" <bfields@citi.umich.edu> Acked-by:
Doug Chapman <doug.chapman@hp.com> Signed-off-by:
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- 10 May, 2007 10 commits
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Linus Torvalds authored
* master.kernel.org:/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog: [WATCHDOG] MTX-1 Watchdog driver [WATCHDOG] s3c2410_wdt - initialize watchdog irq resource [WATCHDOG] Kconfig menuconfig patch [WATCHDOG] pcwd.c: Port to the new device driver model [WATCHDOG] use mutex instead of semaphore in Berkshire USB-PC Watchdog driver [WATCHDOG] the scheduled removal of the i8xx_tco watchdog driver [WATCHDOG] Semi-typical watchdog bug re early misc_register() [WATCHDOG] add support for the w83627thf chipset.
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Simon Horman authored
A small regression appears to have been introduced in the recent patch "cleanup compat ioctl handling", which was included in Linus' tree after 2.6.20. siocdevprivate_ioctl() is no longer defined if CONFIG_NET is undefined, whereas previously it was a dummy function in this case. This causes compilation with CONFIG_COMPAT but without CONFIG_NET to fail. fs/compat_ioctl.c: In function `compat_sys_ioctl': fs/compat_ioctl.c:3571: warning: implicit declaration of function `siocdevprivate_ioctl' Cc: Christoph Hellwig <hch@lst.de> Acked-by:
Arnd Bergmann <arnd@arndb.de> Cc: Andi Kleen <ak@suse.de> Signed-off-by:
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Frederik Deweerdt authored
drivers/input/misc/ixp4xx-beeper.c: In function 'ixp4xx_spkr_event': drivers/input/misc/ixp4xx-beeper.c:54: error: 'input_dev' undeclared (first use in this function) drivers/input/misc/ixp4xx-beeper.c:54: error: (Each undeclared identifier is reported only once drivers/input/misc/ixp4xx-beeper.c:54: error: for each function it appears in.) Signed-off-by:
Frederik Deweerdt <frederik.deweerdt@gmail.com> Acked-by:
Dmitry Torokhov <dtor@mail.ru> Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpcLinus Torvalds authored
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (24 commits) [POWERPC] Fix compile error with kexec and CONFIG_SMP=n [POWERPC] Split initrd logic out of early_init_dt_scan_chosen() to fix warning [POWERPC] Fix warning in hpte_decode(), and generalize it [POWERPC] Minor pSeries IOMMU debug cleanup [POWERPC] PS3: Fix sys manager build error [POWERPC] Assorted janitorial EEH cleanups [POWERPC] We don't define CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID [POWERPC] pmu_sys_suspended is only defined for PPC32 [POWERPC] Fix incorrect calculation of I/O window addresses [POWERPC] celleb: Update celleb_defconfig [POWERPC] celleb: Fix parsing of machine type hack command line option [POWERPC] celleb: Fix PCI config space accesses to subordinate buses [POWERPC] celleb: Fix support for multiple PCI domains [POWERPC] Wire up sys_utimensat [POWERPC] CPM_UART: Removed __init from cpm_uart_init_portdesc to fix warning [POWERPC] User rheap from arch/powerpc/lib [POWERPC] 83xx: Fix the PCI ranges in the MPC834x_MDS device tree. [POWERPC] 83xx: Fix the PCI ranges in the MPC832x_MDS device tree. [POWERPC] CPM_UART: cpm_uart_set_termios should take ktermios, not termios [POWERPC] Change rheap functions to use ulongs instead of pointers ...
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Linus Torvalds authored
* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: [SPARC64]: Use alloc_pci_dev() in PCI bus probes. [SPARC64]: Bump PROMINTR_MAX to 32. [SPARC64]: Fix recursion in PROM tree building. [SERIAL] sunzilog: Interrupt enable before ISR handler installed [SPARC64] PCI: Consolidate PCI access code into pci_common.c
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6Linus Torvalds authored
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: acpi,msi-laptop: Fall back to EC polling mode for MSI laptop specific EC commands sony-laptop: rename SONY_LAPTOP_OLD to a more meaningful SONYPI_COMPAT asus-laptop: version bump and lindent asus-laptop: fix light sens init asus-laptop: add GPS support asus-laptop: notify ALL events ACPICA: Lindent ACPI: created a dedicated workqueue for notify() execution Revert "ACPICA: fix AML mutex re-entrancy" Revert "Execute AML Notify() requests on stack." Revert "ACPICA: revert "acpi_serialize" changes" ACPI: delete un-reliable concept of cooling mode ACPI: thermal trip points are read-only
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git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6Linus Torvalds authored
* 'juju' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6: (138 commits) firewire: Convert OHCI driver to use standard goto unwinding for error handling. firewire: Always use parens with sizeof. firewire: Drop single buffer request support. firewire: Add a comment to describe why we split the sg list. firewire: Return SCSI_MLQUEUE_HOST_BUSY for out of memory cases in queuecommand. firewire: Handle the last few DMA mapping error cases. firewire: Allocate scsi_host up front and allocate the sbp2_device as hostdata. firewire: Provide module aliase for backwards compatibility. firewire: Add to fw-core-y instead of assigning fw-core-objs in Makefile. firewire: Break out shared IEEE1394 constant to separate header file. firewire: Use linux/*.h instead of asm/*.h header files. firewire: Uppercase most macro names. firewire: Coding style cleanup: no spaces after function names. firewire: Convert card_rwsem to a regular mutex. firewire: Clean up comment style. firewire: Use lib/ implementation of CRC ITU-T. CRC ITU-T V.41 firewire: Rename fw-device-cdev.c to fw-cdev.c and move header to include/linux. firewire: Future proof the iso ioctls by adding a handle for the iso context. firewire: Add read/write and size annotations to IOC numbers. ... Acked-by:
Christoph Hellwig <hch@infradead.org> Signed-off-by:
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git://git390.osdl.marist.edu/pub/scm/linux-2.6Linus Torvalds authored
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: [S390] update default configuration. [S390] Kconfig: no wireless on s390. [S390] Kconfig: use common Kconfig files for s390. [S390] Kconfig: common config options for s390. [S390] Kconfig: unwanted menus for s390. [S390] Kconfig: menus with depends on HAS_IOMEM. [S390] Kconfig: refine depends statements. [S390] Avoid compile warning. [S390] qdio: re-add lost perf_stats.tl_runs change in qdio_handle_pci [S390] Avoid sparse warnings. [S390] dasd: Fix modular build. [S390] monreader inlining cleanup. [S390] cio: Make some structures and a function static. [S390] cio: Get rid of _ccw_device_get_device_number(). [S390] fix subsystem removal fallout
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akpm@linux-foundation.org authored
On 09-05-2007 21:10, Pallipadi, Venkatesh wrote: ... > On a 64 bit system, converting pointer to int causes unnecessary > compiler warning, and intermediate long conversion was to avoid that. > I will have to rephrase my comment to remove 32 bit value and use int, > as that is what the function returns. So, this patch reverts all changes done by my previous patch. I apologize for my wrong comment about "logical error" here. Cc: "Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com> Cc: Satyam Sharma <satyam.sharma@gmail.com> Cc: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by:
Jarek Poplawski <jarkao2@o2.pl> Signed-off-by:
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Alexey Dobriyan authored
CC drivers/i2c/busses/i2c-at91.o drivers/i2c/busses/i2c-at91.c: In function 'at91_i2c_probe': drivers/i2c/busses/i2c-at91.c:213: warning: implicit declaration of function 'IS_ERR' Signed-off-by:
Alexey Dobriyan <adobriyan@gmail.com> Cc: David Brownell <david-b@pacbell.net> Acked-by:
Jean Delvare <khali@linux-fr.org> Signed-off-by:
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