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2008-05-05tipc: Provide feedback when log buffer resizing failsAllan Stephens
This patch provides feedback to the user when TIPC is unable to set its log buffer to the requested size. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-05tipc: Simplify log buffer resizingAllan Stephens
This patch simplifies & standardizes the way TIPC's print buffer log is resized. Code to terminate use of the log buffer is eliminated by simply setting the log buffer size to 0 bytes. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/hpa/linux-2.6-inttypesLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/hpa/linux-2.6-inttypes: fix asm-mips/types.h syntax error fix asm-alpha/types.h breakage
2008-05-04Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86-fixes * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86-fixes: x86: fix setup printk format warning x86: olpc build fix x86: video/fbdev.c: add MODULE_LICENSE x86: fix up bootparam.h for userspace inclusion x86: relocs ELF handling - use SELFMAG instead of numeric constant x86: vdso ELF handling - use SELFMAG instead of numeric constant x86: remove dell reboot dmi quirk board name match x86: es7000 build fix x86: make additional_cpus static x86: make start_secondary() static kbuild, suspend, x86: fix rebuild of wakeup.bin uml: fix gcc problem x86: undo visws/numaq build changes
2008-05-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixesLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes: kconfig-language.txt: remove bogus hint kconfig: fix MAC OS X warnings in menuconfig modpost: i2c aliases need no trailing wildcard
2008-05-04task_nommu: fix compile failing bug because of spilt file.hBryan Wu
CC fs/proc/task_nommu.o fs/proc/task_nommu.c: In function ‘task_mem’: fs/proc/task_nommu.c:55: error: dereferencing pointer to incomplete type make[2]: *** [fs/proc/task_nommu.o] Error 1 make[1]: *** [fs/proc] Error 2 make: *** [fs] Error 2 Signed-off-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: ide: IDE_HFLAG_SERIALIZE_DMA bugfix
2008-05-04Merge branch 'kvm-updates-2.6.26' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm * 'kvm-updates-2.6.26' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm: x86: KVM geust: make setup_secondary_clock definition dependent on local apic KVM: MMU: Allow more than PAGES_PER_HPAGE write protections per large page KVM: avoid fx_init() schedule in atomic KVM: Avoid spurious execeptions after setting registers KVM: PIT: support mode 4 KVM: x86 emulator: disable writeback on lmsw KVM: ppc: deliver INTERRUPT_FP_UNAVAIL to the guest KVM: ppc: Handle guest idle by emulating MSR[WE] writes KVM: x86: task switch: fix wrong bit setting for the busy flag KVM: VMX: Enable EPT feature for KVM KVM: VMX: Prepare an identity page table for EPT in real mode KVM: Export necessary function for EPT KVM: MMU: Remove #ifdef CONFIG_X86_64 to support 4 level EPT KVM: MMU: Add EPT support KVM: Add kvm_x86_ops get_tdp_level() KVM: MMU: Move some definitions to a header file KVM: VMX: EPT Feature Detection
2008-05-04sysfs: build fixIngo Molnar
x86.git testing found the following build failure on v2.6.26-rc1: In file included from include/linux/kobject.h:22, from include/linux/module.h:17, from include/linux/crypto.h:22, from arch/x86/kernel/asm-offsets_32.c:8, from arch/x86/kernel/asm-offsets.c:3: include/linux/sysfs.h:201: error: redefinition of 'sysfs_update_group' include/linux/sysfs.h:195: error: previous definition of 'sysfs_update_group' was here make[1]: *** [arch/x86/kernel/asm-offsets.s] Error 1 make: *** [prepare0] Error 2 with the following config: http://redhat.com/~mingo/misc/config-Sun_May__4_07_09_30_CEST_2008.bad the reason for the build failure is the duplicate definition of the sysfs_update_group() inline function in include/linux/sysfs.h. The duplication was a merge error: it was added via -mm by commit v2.6.25-7262-g2850699, "sysfs: sysfs_update_group stub for CONFIG_SYSFS=n" a day before v2.6.26-rc1, but a day before that the same commit was already merged upstream via the sysfs tree, with commit v2.6.25-7211-g1cbfb7a. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-04Make forced module loading optionalLinus Torvalds
The kernel module loader used to be much too happy to allow loading of modules for the wrong kernel version by default. For example, if you had MODVERSIONS enabled, but tried to load a module with no version info, it would happily load it and taint the kernel - whether it was likely to actually work or not! Generally, such forced module loading should be considered a really really bad idea, so make it conditional on a new config option (MODULE_FORCE_LOAD), and make it default to off. If somebody really wants to force module loads, that's their problem, but we should not encourage it. Especially as it happened to me by mistake (ie regular unversioned Fedora modules getting loaded) causing lots of strange behavior. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-04fix asm-mips/types.h syntax errorAdrian Bunk
This patch fixes the following compile error caused by commit 23cf11ddb5099f8c7f7cb3eb154bff0faf31cae9 (mips: types: use <asm-generic/int-*.h> for the mips architecture): <-- snip --> ... CC kernel/bounds.s In file included from /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/types.h:12, from /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/page-flags.h:8, from /home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/bounds.c:9: include2/asm/types.h:56:2: error: #endif without #if make[2]: *** [kernel/bounds.s] Error 1 <-- snip --> Signed-off-by: Adrian Bunk <bunk@kernel.org> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2008-05-04fix asm-alpha/types.h breakageAdrian Bunk
This patch fixes the following compile error on alpha caused by commit 3726c23df8e4d95b6f2b335dfa90e3f4850a8a00 (alpha: types: use <asm-generic/int-*.h> for the alpha architecture): <-- snip --> ... CC arch/alpha/kernel/asm-offsets.s In file included from include2/asm/topology.h:6, from /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/topology.h:34, from /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/mmzone.h:683, from /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/gfp.h:4, from /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/slab.h:12, from /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/percpu.h:5, from /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/rcupdate.h:39, from /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/pid.h:4, from /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/sched.h:74, from /home/bunk/linux/kernel-2.6/git/linux-2.6/arch/alpha/kernel/asm-offsets.c:9: include2/asm/machvec.h:44: error: expected declaration specifiers or '...' before 'dma_addr_t' include2/asm/machvec.h:44: error: expected declaration specifiers or '...' before 'dma_addr_t' In file included from /home/bunk/linux/kernel-2.6/git/linux-2.6/arch/alpha/kernel/asm-offsets.c:12: include2/asm/io.h:94: warning: type defaults to 'int' in declaration of 'dma_addr_t' include2/asm/io.h:94: warning: variable 'dma_addr_t' declared 'inline' include2/asm/io.h:94: error: expected ',' or ';' before 'isa_page_to_bus' make[2]: *** [arch/alpha/kernel/asm-offsets.s] Error 1 <-- snip --> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2008-05-04kconfig-language.txt: remove bogus hintAdrian Bunk
For the use case the hint describe a simple dependency is enough. Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
2008-05-04kconfig: fix MAC OS X warnings in menuconfigSam Ravnborg
Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Timur Tabi <timur@freescale.com>
2008-05-04x86: fix setup printk format warningRandy Dunlap
Fix x86 setup printk format warming: next-20080430/arch/x86/kernel/setup.c:172: warning: format '%lu' expects type 'long unsigned int', but argument 2 has type 'ssize_t' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: mingo@elte.hu Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-04x86: olpc build fixThomas Gleixner
CONFIG_OLPC needs to depend on MGEODE_LX Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-04x86: video/fbdev.c: add MODULE_LICENSEAdrian Bunk
Add the missing MODULE_LICENSE("GPL"). Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-04x86: fix up bootparam.h for userspace inclusionRusty Russell
commit 8b664aa66e824a0ddf4ec56d41fa0cf7bb374de6 (x86, boot: add linked list of struct setup_data) put a new struct in bootparam.h, but didn't use the userspace-safe types. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Huang Ying <ying.huang@intel.com> Acked-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-04x86: relocs ELF handling - use SELFMAG instead of numeric constantCyrill Gorcunov
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com> Cc: akpm@linux-foundation.org Cc: hpa@zytor.com Cc: mingo@elte.hu Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-04x86: vdso ELF handling - use SELFMAG instead of numeric constantCyrill Gorcunov
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com> Cc: akpm@linux-foundation.org Cc: hpa@zytor.com Cc: mingo@elte.hu Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-04x86: remove dell reboot dmi quirk board name matchBen
http://bugzilla.kernel.org/show_bug.cgi?id=10547 Newer Dell OptiPlex 745s hang before rebooting after 'sudo reboot'. A patch for some versions of the OptiPlex was proposed here -- http://lkml.org/lkml/2007/6/5/59 -- and is included in 2.6.23 and later kernels, according to http://lxr.linux.no/linux+v2.6.23/arch/i386/kernel/reboot.c . However, the DMI_BOARD_NAME ("0WF810") is too restrictive. Newer OptiPlex machines have a DMI_BOARD_NAME of "0RF703". I therefore suggest adding another clause to reboot.c, similar to the one in the original patch, but matching a DMI_BOARD_NAME of "0RF703". On further inspection, it seems that there are other DMI_BOARD_NAMEs for this same machine. They seem to change from time to time, which means that the current code is fragile. Moreover, using bios reboot should not break non-SFF OptiPlex 745s, and so a reasonable fix is to simply drop the match on DMI_BOARD_NAME. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-04x86: es7000 build fixIngo Molnar
Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-05-04x86: make additional_cpus staticAdrian Bunk
This patch makes the needlessly global additional_cpus static. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-05-04x86: make start_secondary() staticAdrian Bunk
start_secondary() needlessly became global. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-05-04kbuild, suspend, x86: fix rebuild of wakeup.binSam Ravnborg
In kernel/acpi/realmode/Makefile use the 'always' variable to say that wakeup.bin should always be made. In acpi/Makefile we then do not need to specify the requested target and we avoid the message from make: `arch/x86/kernel/acpi/realmode/wakeup.bin' is up to date. Add wakeup.lds to list af targets to avoid rebuilding wakeup.bin - from Roland McGrath. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Rafael J. Wysocki <rjw@sisk.pl> Cc: Pavel Machek <pavel@suse.cz> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Roland McGrath <roland@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-04uml: fix gcc problemIngo Molnar
this is what caused gcc 4.3 to throw an internal error when OPTIMIZE_INLINING was enabled ... Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-05-04x86: undo visws/numaq build changesThomas Gleixner
arch/x86/pci/Makefile_32 has a nasty detail. VISWS and NUMAQ build override the generic pci-y rules. This needs a proper cleanup, but that needs more thoughts. Undo commit 895d30935ebe05f192e844792668bf8d19deaae7 x86: numaq fix do not override the existing pci-y rule when adding visws or numaq rules. There is also a stupid init function ordering problem vs. acpi.o Add comments to the Makefile to avoid tripping over this again. Remove the srat stub code in discontig_32.c to allow a proper NUMAQ build. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-04ide: IDE_HFLAG_SERIALIZE_DMA bugfixBartlomiej Zolnierkiewicz
Patch re-ordering could be harmful: commit 1fd1890594bd355a4217f5658a34763e77decee3 Author: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Date: Sat Apr 26 22:25:24 2008 +0200 ide: add IDE_HFLAG_SERIALIZE_DMA host flag ... is buggy because ->init_dma method / ide_hwif_setup_dma() is called before IDE_HFLAG_SERIALIZE_DMA host flag is checked. Fix it by checking IDE_HFLAG_SERIALIZE[_DMA] after DMA initialization. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-05-04x86: KVM geust: make setup_secondary_clock definition dependent on local apicGlauber Costa
Since the pv_apic_ops are only present if CONFIG_X86_LOCAL_APIC is compiled in, kvmclock failed to build without this option. This patch fixes this. Signed-off-by: Glauber Costa <gcosta@redhat.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-05-04KVM: MMU: Allow more than PAGES_PER_HPAGE write protections per large pageAvi Kivity
nonpae guests can call rmap_write_protect twice per page (for page tables) or four times per page (for page directories), triggering a bogus warning. Remove the warning. Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-05-04KVM: avoid fx_init() schedule in atomicAndrea Arcangeli
This make sure not to schedule in atomic during fx_init. I also changed the name of fpu_init to fx_finit to avoid duplicating the name with fpu_init that is already used in the kernel, this makes grep simpler if nothing else. Signed-off-by: Andrea Arcangeli <andrea@qumranet.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-05-04KVM: Avoid spurious execeptions after setting registersJan Kiszka
Clear pending exceptions when setting new register values. This avoids spurious exceptions after restoring a vcpu state or after reset-on-triple-fault. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-05-04KVM: PIT: support mode 4Marcelo Tosatti
The in-kernel PIT emulation ignores pending timers if operating under mode 4, which for example DragonFlyBSD uses (and Plan9 too, apparently). Mode 4 seems to be similar to one-shot mode, other than the fact that it starts counting after the next CLK pulse once programmed, while mode 1 starts counting immediately, so add a FIXME to enhance precision. Fixes sourceforge bug 1952988. Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Acked-by: Sheng Yang <sheng.yang@intel.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-05-04KVM: x86 emulator: disable writeback on lmswAvi Kivity
The recent changes allowing memory operands with lmsw and smsw left lmsw with writeback enabled. Since lmsw has no oridinary destination operand, the dst pointer was not initialized, resulting in an oops. Close the hole by disabling writeback for lmsw. Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-05-04KVM: ppc: deliver INTERRUPT_FP_UNAVAIL to the guestChristian Ehrhardt
This patch adds the delivery of INTERRUPT_FP_UNAVAIL exceptions to the guest. It's needed if a guest uses ppc binaries using the Floating point instructions. Signed-off-by: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com> Acked-by: Hollis Blanchard <hollisb@us.ibm.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-05-04KVM: ppc: Handle guest idle by emulating MSR[WE] writesHollis Blanchard
This reduces host CPU usage when the guest is idle. However, the guest must set MSR[WE] in its idle loop, which Linux did not do until 2.6.26. Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com> Signed-off-by: Jerone Young <jyoung5@us.ibm.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-05-04KVM: x86: task switch: fix wrong bit setting for the busy flagIzik Eidus
The busy bit is bit 1 of the type field, not bit 8. Signed-off-by: Izik Eidus <izike@qumranet.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-05-04KVM: VMX: Enable EPT feature for KVMSheng Yang
Signed-off-by: Sheng Yang <sheng.yang@intel.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-05-04KVM: VMX: Prepare an identity page table for EPT in real modeSheng Yang
[aliguory: plug leak] Signed-off-by: Sheng Yang <sheng.yang@intel.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-05-04KVM: Export necessary function for EPTSheng Yang
Signed-off-by: Sheng Yang <sheng.yang@intel.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-05-04KVM: MMU: Remove #ifdef CONFIG_X86_64 to support 4 level EPTSheng Yang
Currently EPT level is 4 for both pae and x86_64. The patch remove the #ifdef for alloc root_hpa and free root_hpa to support EPT. Signed-off-by: Sheng Yang <sheng.yang@intel.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-05-04KVM: MMU: Add EPT supportSheng Yang
Enable kvm_set_spte() to generate EPT entries. Signed-off-by: Sheng Yang <sheng.yang@intel.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-05-04KVM: Add kvm_x86_ops get_tdp_level()Sheng Yang
The function get_tdp_level() provided the number of tdp level for EPT and NPT rather than the NPT specific macro. Signed-off-by: Sheng Yang <sheng.yang@intel.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-05-04KVM: MMU: Move some definitions to a header fileSheng Yang
Move some definitions to mmu.h in order to allow building common table entries between EPT and non-EPT. Signed-off-by: Sheng Yang <sheng.yang@intel.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-05-04KVM: VMX: EPT Feature DetectionSheng Yang
Signed-off-by: Sheng Yang <sheng.yang@intel.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-05-04modpost: i2c aliases need no trailing wildcardJean Delvare
Not all device types need a wildcard at the end of their module aliases. In particular, for i2c module aliases, the trailing wildcard is not only unneeded, it could also cause the wrong driver to be loaded. As I2C devices have no IDs, i2c module aliases are simple, arbitrary device names. For example: $ /sbin/modinfo lm90 filename: /lib/modules/2.6.25-git18/kernel/drivers/hwmon/lm90.ko author: Jean Delvare <khali@linux-fr.org> description: LM90/ADM1032 driver license: GPL vermagic: 2.6.25-git18 mod_unload depends: hwmon alias: i2c:lm90* alias: i2c:adm1032* alias: i2c:lm99* alias: i2c:lm86* alias: i2c:max6657* alias: i2c:adt7461* alias: i2c:max6680* $ This would cause trouble if one I2C chip name matches the beginning of another I2C chip name and both chips are supported by different drivers. For example, an i2c device named lm9042 would cause the lm90 driver to be loaded, while it doesn't support that device. This case has yet to be seen in practice, but still, I'd like to fix it now. The cleanest fix is to remove the trailing wildcard from i2c module aliases. Here's a patch doing this. Not all device type aliases need a trailing wildcard, in particular the i2c aliases don't. Don't add a wildcard by default in do_table(), instead let each device type handler add it if needed. I have tested types acpi, dmi, eisa, i2c, ide, ieee1394, input, pci, pcmcia, platform, pnp, scsi, serio, ssb and usb. Other types (ccw, of, vio, parisc, sdio and virtio) are untested. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-05-03Merge git://git.kernel.org/pub/scm/linux/kernel/git/tglx/linux-2.6-hrtLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/tglx/linux-2.6-hrt: clocksource: allow read access to available/current_clocksource clocksource: Fix permissions for available_clocksource hrtimer: remove duplicate helper function
2008-05-03tiny mq_open optimizationUlrich Drepper
A very small cleanup for mq_open. We do not have to call set_close_on_exit if we create the file descriptor right away with the flag set. We have a function for this now. The resulting code is smaller and a tiny bit faster. Signed-off-by: Ulrich Drepper <drepper@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-03unified (weak) sys_pipe implementationUlrich Drepper
This replaces the duplicated arch-specific versions of "sys_pipe()" with one unified implementation. This removes almost 250 lines of duplicated code. It's marked __weak, so that *if* an architecture wants to override the default implementation it can do so by simply having its own replacement version, since many architectures use alternate calling conventions for the 'pipe()' system call for legacy reasons (ie traditional UNIX implementations often return the two file descriptors in registers) I still haven't changed the cris version even though Linus says the BKL isn't needed. The arch maintainer can easily do it if there are really no obstacles. Signed-off-by: Ulrich Drepper <drepper@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-03Linux 2.6.26-rc1Linus Torvalds
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