- 24 Apr, 2009 1 commit
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Patrick McHardy authored
Commit d0dba725 (netfilter: ctnetlink: add callbacks to the per-proto nlattrs) changed the protocol registration function to abort if the to-be registered protocol doesn't provide a new callback function. The DCCP and UDP-Lite IPv6 protocols were missed in this conversion, add the required callback pointer. Reported-and-tested-by: Steven Jan Springl <steven@springl.ukfsn.org> Signed-off-by: Patrick McHardy <kaber@trash.net>
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- 20 Apr, 2009 1 commit
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hummerbliss@gmail.com authored
br_nf_dev_queue_xmit only checks for ETH_P_IP packets for fragmenting but not VLAN packets. This results in dropping of large VLAN packets. This can be observed when connection tracking is enabled. Connection tracking re-assembles fragmented packets, and these have to re-fragmented when transmitting out. Also, make sure only refragmented packets are defragmented as per suggestion from Patrick McHardy. Signed-off-by: Saikiran Madugula <hummerbliss@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
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- 17 Apr, 2009 2 commits
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Pablo Neira Ayuso authored
With this patch, nfnetlink returns -ENOMEM instead of -EPERM if we fail to create the nfnetlink netlink socket during the module loading. This is exactly what rtnetlink does in this case. Ideally, it would be better if we propagate the error that has happened in netlink_kernel_create(), however, this function still does not implement this yet. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Patrick McHardy <kaber@trash.net>
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Pablo Neira Ayuso authored
This patch fixes an inconsistency that results in no error reports to user-space listeners if we fail to allocate the event message. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Patrick McHardy <kaber@trash.net>
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- 16 Apr, 2009 1 commit
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Patrick McHardy authored
The removal of the SAME target accidentally removed one feature that is not available from the normal NAT targets so far, having multi-range mappings that use the same mapping for each connection from a single client. The current behaviour is to choose the address from the range based on source and destination IP, which breaks when communicating with sites having multiple addresses that require all connections to originate from the same IP address. Introduce a IP_NAT_RANGE_PERSISTENT option that controls whether the destination address is taken into account for selecting addresses. http://bugzilla.kernel.org/show_bug.cgi?id=12954Signed-off-by: Patrick McHardy <kaber@trash.net>
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- 15 Apr, 2009 2 commits
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Patrick McHardy authored
Commit ea781f19 (netfilter: nf_conntrack: use SLAB_DESTROY_BY_RCU and) get rid of call_rcu() was missing one conversion to the hlist_nulls functions, causing a crash when unloading conntrack helper modules. Reported-and-tested-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl> Signed-off-by: Patrick McHardy <kaber@trash.net>
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Eric Dumazet authored
commit ca735b3a 'netfilter: use a linked list of loggers' introduced an array of list_head in "struct nf_logger", but forgot to initialize it in nf_log_register(). This resulted in oops when calling nf_log_unregister() at module unload time. Reported-and-tested-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl> Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Acked-by: Eric Leblond <eric@inl.fr> Signed-off-by: Patrick McHardy <kaber@trash.net>
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- 06 Apr, 2009 3 commits
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Pablo Neira Ayuso authored
This patch fixes a regression (introduced by myself in commit 19abb7b0: netfilter: ctnetlink: deliver events for conntracks changed from userspace) that results in an expectation re-insertion since __nf_ct_expect_check() may return 0 for expectation timer refreshing. This patch also removes a unnecessary refcount bump that pretended to avoid a possible race condition with event delivery and expectation timers (as said, not needed since we hold a reference to the object since until we finish the expectation setup). This also merges nf_ct_expect_related_report() and nf_ct_expect_related() which look basically the same. Reported-by: Patrick McHardy <kaber@trash.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Patrick McHardy <kaber@trash.net>
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Alex Riesen authored
It's plural, not LED_TRIGGERS. Signed-off-by: Alex Riesen <fork0@users.sourceforge.net> Signed-off-by: Patrick McHardy <kaber@trash.net>
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Eric Dumazet authored
Commit 78454473 (netfilter: iptables: lock free counters) broke ip6_tables by unconditionally returning ENOMEM in alloc_counters(), Reported-by: Graham Murray <graham@gmurray.org.uk> Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
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- 05 Apr, 2009 30 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-currentLinus Torvalds authored
* 'audit.b62' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current: Audit: remove spaces from audit_log_d_path audit: audit_set_auditable defined but not used audit: incorrect ref counting in audit tree tag_chunk audit: Fix possible return value truncation in audit_get_context() audit: ignore terminating NUL in AUDIT_USER_TTY messages Audit: fix handling of 'strings' with NULL characters make the e->rule.xxx shorter in kernel auditfilter.c auditsc: fix kernel-doc notation audit: EXECVE record - removed bogus newline
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git://git.o-hand.com/linux-mfdLinus Torvalds authored
* 'for-next' of git://git.o-hand.com/linux-mfd: mfd: fix da903x warning mfd: fix MAINTAINERS entry mfd: Use the value of the final spin when reading the AUXADC mfd: Storage class should be before const qualifier mfd: PASIC3: supply clock_rate to DS1WM via driver_data mfd: remove DS1WM clock handling mfd: remove unused PASIC3 bus_shift field pxa/magician: remove deprecated .bus_shift from PASIC3 platform_data mfd: convert PASIC3 to use MFD core mfd: convert DS1WM to use MFD core mfd: Support active high IRQs on WM835x mfd: Use bulk read to fill WM8350 register cache mfd: remove duplicated #include from pcf50633
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git://repo.or.cz/cris-mirrorLinus Torvalds authored
* 'for-linus' of git://repo.or.cz/cris-mirror: CRISv32: Remove extraneous space between -I and the path. cris: convert obsolete hw_interrupt_type to struct irq_chip BUG to BUG_ON changes cpumask: use mm_cpumask() wrapper: cris cpumask: Use accessors code.: cris cpumask: prepare for iterators to only go to nr_cpu_ids/nr_cpumask_bits.: cris
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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: (140 commits) ACPI: processor: use .notify method instead of installing handler directly ACPI: button: use .notify method instead of installing handler directly ACPI: support acpi_device_ops .notify methods toshiba-acpi: remove MAINTAINERS entry ACPI: battery: asynchronous init acer-wmi: Update copyright notice & documentation acer-wmi: Cleanup the failure cleanup handling acer-wmi: Blacklist Acer Aspire One video: build fix thinkpad-acpi: rework brightness support thinkpad-acpi: enhanced debugging messages for the fan subdriver thinkpad-acpi: enhanced debugging messages for the hotkey subdriver thinkpad-acpi: enhanced debugging messages for rfkill subdrivers thinkpad-acpi: restrict access to some firmware LEDs thinkpad-acpi: remove HKEY disable functionality thinkpad-acpi: add new debug helpers and warn of deprecated atts thinkpad-acpi: add missing log levels thinkpad-acpi: cleanup debug helpers thinkpad-acpi: documentation cleanup thinkpad-acpi: drop ibm-acpi alias ...
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git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (23 commits) sh: sh7785lcr: Map whole PCI address space. sh: Fix up DSP context save/restore. sh: Fix up number of on-chip DMA channels on SH7091. sh: update defconfigs. sh: Kill off broken direct-mapped cache mode. sh: Wire up ARCH_HAS_DEFAULT_IDLE for cpuidle. sh: Add a command line option for disabling I/O trapping. sh: Select ARCH_HIBERNATION_POSSIBLE. sh: migor: Fix up CEU use flags. input: migor_ts: add wakeup support rtc: rtc-sh: use set_irq_wake() input: sh_keysc: use enable/disable_irq_wake() sh: intc: set_irq_wake() support sh: intc: install enable, disable and shutdown callbacks clocksource: sh_cmt: use remove_irq() and remove clockevent workaround sh: ap325 and Migo-R use new sh_mobile_ceu_info flags sh: Fix up -Wformat-security whining. sh: ap325rxa: Add ov772x support, again. sh: Sanitize asm/mmu.h for assembly use. sh: Tidy up sh7786 pinmux table. ...
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git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6Linus Torvalds authored
* 'avr32-arch' of git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6: avr32: add hardware handshake support to atmel_serial avr32: add RTS/CTS/CLK pin selection for the USARTs Add RTC support for Merisc boards avr32: at32ap700x: setup DMA for AC97C in the machine code avr32: at32ap700x: setup DMA for ABDAC in the machine code Add Merisc board support avr32: use gpio_is_valid() to check USBA vbus_pin I/O line atmel-usba-udc: use gpio_is_valid() to check vbus_pin I/O line avr32: fix timing LCD parameters for EVKLCD10X boards avr32: use GPIO line PB15 on EVKLCD10x boards for backlight avr32: configure MCI detect and write protect pins for EVKLCD10x boards avr32: set pin mask to alternative 18 bpp for EVKLCD10x boards avr32: add pin mask for 18-bit color on the LCD controller avr32: fix 15-bit LCDC pin mask to use MSB lines
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6: (714 commits) Staging: sxg: slicoss: Specify the license for Sahara SXG and Slicoss drivers Staging: serqt_usb: fix build due to proc tty changes Staging: serqt_usb: fix checkpatch errors Staging: serqt_usb: add TODO file Staging: serqt_usb: Lindent the code Staging: add USB serial Quatech driver staging: document that the wifi staging drivers a bit better Staging: echo cleanup Staging: BUG to BUG_ON changes Staging: remove some pointless conditionals before kfree_skb() Staging: line6: fix build error, select SND_RAWMIDI Staging: line6: fix checkpatch errors in variax.c Staging: line6: fix checkpatch errors in toneport.c Staging: line6: fix checkpatch errors in pcm.c Staging: line6: fix checkpatch errors in midibuf.c Staging: line6: fix checkpatch errors in midi.c Staging: line6: fix checkpatch errors in dumprequest.c Staging: line6: fix checkpatch errors in driver.c Staging: line6: fix checkpatch errors in audio.c Staging: line6: fix checkpatch errors in pod.c ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tipLinus Torvalds authored
* 'tracing-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (413 commits) tracing, net: fix net tree and tracing tree merge interaction tracing, powerpc: fix powerpc tree and tracing tree interaction ring-buffer: do not remove reader page from list on ring buffer free function-graph: allow unregistering twice trace: make argument 'mem' of trace_seq_putmem() const tracing: add missing 'extern' keywords to trace_output.h tracing: provide trace_seq_reserve() blktrace: print out BLK_TN_MESSAGE properly blktrace: extract duplidate code blktrace: fix memory leak when freeing struct blk_io_trace blktrace: fix blk_probes_ref chaos blktrace: make classic output more classic blktrace: fix off-by-one bug blktrace: fix the original blktrace blktrace: fix a race when creating blk_tree_root in debugfs blktrace: fix timestamp in binary output tracing, Text Edit Lock: cleanup tracing: filter fix for TRACE_EVENT_FORMAT events ftrace: Using FTRACE_WARN_ON() to check "freed record" in ftrace_release() x86: kretprobe-booster interrupt emulation code fix ... Fix up trivial conflicts in arch/parisc/include/asm/ftrace.h include/linux/memory.h kernel/extable.c kernel/module.c
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Eric Paris authored
audit_log_d_path had spaces in the strings which would be emitted on the error paths. This patch simply replaces those spaces with an _ or removes the needless spaces entirely. Signed-off-by: Eric Paris <eparis@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Eric Paris authored
after 0590b933 audit_set_auditable() is now only used by the audit tree code. If CONFIG_AUDIT_TREE is unset it will be defined but unused. This patch simply moves the function inside a CONFIG_AUDIT_TREE block. cc1: warnings being treated as errors /home/acme_unencrypted/git/linux-2.6-tip/kernel/auditsc.c:745: error: ‘audit_set_auditable’ defined but not used make[2]: *** [kernel/auditsc.o] Error 1 make[1]: *** [kernel] Error 2 make[1]: *** Waiting for unfinished jobs.... Signed-off-by: Eric Paris <eparis@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Eric Paris authored
tag_chunk has bad exit paths in which the inotify ref counting is wrong. At the top of the function we found &old_watch using inotify_find_watch(). inotify_find_watch takes a reference to the watch. This is never dropped on an error path. Signed-off-by: Eric Paris <eparis@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Paul Moore authored
The audit subsystem treats syscall return codes as type long, unfortunately the audit_get_context() function mistakenly converts the return code to an int type in the parameters which could cause problems on systems where the sizeof(int) != sizeof(long). Signed-off-by: Paul Moore <paul.moore@hp.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Miloslav Trmac authored
AUDIT_USER_TTY, like all other messages sent from user-space, is sent NUL-terminated. Unlike other user-space audit messages, which come only from trusted sources, AUDIT_USER_TTY messages are processed using audit_log_n_untrustedstring(). This patch modifies AUDIT_USER_TTY handling to ignore the trailing NUL and use the "quoted_string" representation of the message if possible. Signed-off-by: Miloslav Trmac <mitr@redhat.com> Cc: Eric Paris <eparis@redhat.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Steve Grubb <sgrubb@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Miloslav Trmac authored
currently audit_log_n_untrustedstring() uses audit_string_contains_control() to check if the 'string' has any control characters. If the 'string' has an embedded NULL audit_string_contains_control() will return that the data has no control characters and will then pass the string to audit_log_n_string with the total length, not the length up to the first NULL. audit_log_n_string() does a memcpy of the entire length and so the actual audit record emitted may then contain a NULL and then whatever random memory is after the NULL. Since we want to log the entire octet stream (if we can't trust the data to be a string we can't trust that a NULL isn't actually a part of it) we should just consider NULL as a control character. If the caller is certain they want to stop at the first NULL they should be using audit_log_untrustedstring. Signed-off-by: Eric Paris <eparis@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Zhenwen Xu authored
make the e->rule.xxx shorter in kernel/auditfilter.c -- --------------------------------- Zhenwen Xu - Open and Free Home Page: http://zhwen.org My Studio: http://dim4.cn >From 99692dc640b278f1cb1a15646ce42f22e89c0f77 Mon Sep 17 00:00:00 2001 From: Zhenwen Xu <Helight.Xu@gmail.com> Date: Thu, 12 Mar 2009 22:04:59 +0800 Subject: [PATCH] make the e->rule.xxx shorter in kernel/auditfilter.c Signed-off-by: Zhenwen Xu <Helight.Xu@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Randy Dunlap authored
Fix auditsc kernel-doc notation: Warning(linux-2.6.28-git7//kernel/auditsc.c:2156): No description found for parameter 'attr' Warning(linux-2.6.28-git7//kernel/auditsc.c:2156): Excess function parameter 'u_attr' description in '__audit_mq_open' Warning(linux-2.6.28-git7//kernel/auditsc.c:2204): No description found for parameter 'notification' Warning(linux-2.6.28-git7//kernel/auditsc.c:2204): Excess function parameter 'u_notification' description in '__audit_mq_notify' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> cc: Al Viro <viro@zeniv.linux.org.uk> cc: Eric Paris <eparis@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Jiri Pirko authored
(updated) Added hunk that changes the comment, the rest is the same. EXECVE records contain a newline after every argument. auditd converts "\n" to " " so you cannot see newlines even in raw logs, but they're there nevertheless. If you're not using auditd, you need to work round them. These '\n' chars are can be easily replaced by spaces when creating record in kernel. Note there is no need for trailing '\n' in an audit record. record before this patch: "type=EXECVE msg=audit(1231421801.566:31): argc=4 a0=\"./test\"\na1=\"a\"\na2=\"b\"\na3=\"c\"\n" record after this patch: "type=EXECVE msg=audit(1231421801.566:31): argc=4 a0=\"./test\" a1=\"a\" a2=\"b\" a3=\"c\"" Signed-off-by: Jiri Pirko <jpirko@redhat.com> Acked-by: Eric Paris <eparis@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Linus Torvalds authored
Merge branch 'bzip2-lzma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-tip * 'bzip2-lzma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-tip: bzip2/lzma: quiet Kconfig warning for INITRAMFS_COMPRESSION_NONE
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git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-cpumaskLinus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-cpumask: (36 commits) cpumask: remove cpumask allocation from idle_balance, fix numa, cpumask: move numa_node_id default implementation to topology.h, fix cpumask: remove cpumask allocation from idle_balance x86: cpumask: x86 mmio-mod.c use cpumask_var_t for downed_cpus x86: cpumask: update 32-bit APM not to mug current->cpus_allowed x86: microcode: cleanup x86: cpumask: use work_on_cpu in arch/x86/kernel/microcode_core.c cpumask: fix CONFIG_CPUMASK_OFFSTACK=y cpu hotunplug crash numa, cpumask: move numa_node_id default implementation to topology.h cpumask: convert node_to_cpumask_map[] to cpumask_var_t cpumask: remove x86 cpumask_t uses. cpumask: use cpumask_var_t in uv_flush_tlb_others. cpumask: remove cpumask_t assignment from vector_allocation_domain() cpumask: make Xen use the new operators. cpumask: clean up summit's send_IPI functions cpumask: use new cpumask functions throughout x86 x86: unify cpu_callin_mask/cpu_callout_mask/cpu_initialized_mask/cpu_sibling_setup_mask cpumask: convert struct cpuinfo_x86's llc_shared_map to cpumask_var_t cpumask: convert node_to_cpumask_map[] to cpumask_var_t x86: unify 32 and 64-bit node_to_cpumask_map ...
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git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-module-and-paramLinus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-module-and-param: module: use strstarts() strstarts: helper function for !strncmp(str, prefix, strlen(prefix)) arm: allow usage of string functions in linux/string.h module: don't use stop_machine on module load module: create a request_module_nowait() module: include other structures in module version check module: remove the SHF_ALLOC flag on the __versions section. module: clarify the force-loading taint message. module: Export symbols needed for Ksplice Ksplice: Add functions for walking kallsyms symbols module: remove module_text_address() module: __module_address module: Make find_symbol return a struct kernel_symbol kernel/module.c: fix an unused goto label param: fix charp parameters set via sysfs Fix trivial conflicts in kernel/extable.c manually.
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tipLinus Torvalds authored
* 'core/debugobjects' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: debugobjects: delay free of internal objects debugobjects: replace static objects when slab cache becomes available debug_objects: add boot-parameter toggle to turn object debugging off again
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tipLinus Torvalds authored
* 'printk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: printk: correct the behavior of printk_timed_ratelimit() vsprintf: unify the format decoding layer for its 3 users, cleanup fix regression from "vsprintf: unify the format decoding layer for its 3 users" vsprintf: fix bug in negative value printing vsprintf: unify the format decoding layer for its 3 users vsprintf: add binary printf printk: introduce printk_once() Fix trivial conflicts (printk_once vs log_buf_kexec_setup() added near each other) in include/linux/kernel.h.
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git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmcLinus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc: (42 commits) atmel-mci: fix sdc_reg typo tmio_mmc: add maintainer mmc: Add OpenFirmware bindings for SDHCI driver sdhci: Add quirk for forcing maximum block size to 2048 bytes sdhci: Add quirk for controllers that need IRQ re-init after reset sdhci: Add quirk for controllers that need small delays for PIO sdhci: Add set_clock callback and a quirk for nonstandard clocks sdhci: Add get_{max,timeout}_clock callbacks sdhci: Add support for hosts reporting inverted write-protect state sdhci: Add support for card-detection polling sdhci: Enable only relevant (DMA/PIO) interrupts during transfers sdhci: Split card-detection IRQs management from sdhci_init() sdhci: Add support for bus-specific IO memory accessors mmc_spi: adjust for delayed data token response omap_hsmmc: Wait for SDBP omap_hsmmc: Fix MMC3 dma omap_hsmmc: Disable SDBP at suspend omap_hsmmc: Do not prefix slot name omap_hsmmc: Allow cover switch to cause rescan omap_hsmmc: Add 8-bit bus width mode support ...
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Bjorn Helgaas authored
This patch adds a .notify() method. The presence of .notify() causes Linux/ACPI to manage event handlers and notify handlers on our behalf, so we don't have to install and remove them ourselves. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> CC: Zhang Rui <rui.zhang@intel.com> CC: Zhao Yakui <yakui.zhao@intel.com> CC: Venki Pallipadi <venkatesh.pallipadi@intel.com> CC: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
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Bjorn Helgaas authored
This patch adds a .notify() method. The presence of .notify() causes Linux/ACPI to manage event handlers and notify handlers on our behalf, so we don't have to install and remove them ourselves. Note that events from fixed hardware buttons now show up as a special notify event, so to preserve user-space backward compatibility, we convert that back to ACPI_BUTTON_NOTIFY_STATUS. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Reviewed-by: Alex Chiang <achiang@hp.com> CC: Alexey Starikovskiy <alexey.y.starikovskiy@linux.intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
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Bjorn Helgaas authored
This patch adds support for ACPI device driver .notify() methods. If such a method is present, Linux/ACPI installs a handler for device notifications (but not for system notifications such as Bus Check, Device Check, etc). When a device notification occurs, Linux/ACPI passes it on to the driver's .notify() method. In most cases, this removes the need for drivers to install their own handlers for device-specific notifications. For fixed hardware devices like some power and sleep buttons, there's no notification value because there's no control method to execute a Notify opcode. When a fixed hardware device generates an event, we handle it the same as a regular device notification, except we send a ACPI_FIXED_HARDWARE_EVENT value. This is outside the normal 0x0-0xff range used by Notify opcodes. Several drivers install their own handlers for system Bus Check and Device Check notifications so they can support hot-plug. This patch doesn't affect that usage. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Reviewed-by: Alex Chiang <achiang@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
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Len Brown authored
Conflicts: arch/x86/kernel/cpu/cpufreq/longhaul.c Signed-off-by: Len Brown <len.brown@intel.com>
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Len Brown authored
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Len Brown authored
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Len Brown authored
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