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2008-02-09brk: document randomize_va_space and CONFIG_COMPAT_BRK (was Re:Jiri Kosina
Document randomize_va_space and CONFIG_COMPAT_BRK. Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-09x86: fix sparse warnings in acpi/bus.cHarvey Harrison
Add function definition and extern variables to asm-x86/acpi.h. All of these are used in bus.c in ifdef(CONFIG_X86) sections, so are only added to the x86 include headers. boot.c already includes acpi.h so no changes are needed there. Fixes the following: arch/x86/kernel/acpi/boot.c:83:4: warning: symbol 'acpi_sci_flags' was not declared. Should it be static? arch/x86/kernel/acpi/boot.c:84:5: warning: symbol 'acpi_sci_override_gsi' was not declared. Should it be static? arch/x86/kernel/acpi/boot.c:421:13: warning: symbol 'acpi_pic_sci_set_trigger' was not declared. Should it be static? Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-09x86: fix sparse warning in topology.cHarvey Harrison
arch/x86/kernel/topology.c:56:2: warning: returning void-valued expression Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-09x86: sparse warnings in pageattr.cHarvey Harrison
Adjust the definition of lookup_address to take an unsigned long level argument. Adjust callers in xen/mmu.c that pass in a dummy variable. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-09x86: sparse warning in therm_throt.cHarvey Harrison
arch/x86/kernel/cpu/mcheck/therm_throt.c:121:2: warning: returning void-valued expression Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-09x86: fix sparse warning in xen/time.cHarvey Harrison
Use xen_khz to denote xen_specific clock speed. Avoid shadowing cpu_khz. arch/x86/xen/time.c:220:6: warning: symbol 'cpu_khz' shadows an earlier one include/asm/tsc.h:17:21: originally declared here Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-09x86: GEODE: MFGPT: fix typo in printk in mfgpt_timer_setupArnd Hannemann
Signed-off-by: Arnd Hannemann <hannemann@i4.informatik.rwth-aachen.de> Signed-off-by: Andres Salomon <dilinger@debian.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-09x86: GEODE: make sure the right MFGPT timer fired the timer tickJordan Crouse
Each AMD Geode MFGPT timer interrupt output is paired with another timer; esentially the interrupt goes if either timer fires. This is okay, but the handlers need to be aware of this. Make sure in the timer tick handler that our timer really did expire. Signed-off-by: Jordan Crouse <jordan.crouse@amd.com> Signed-off-by: Andres Salomon <dilinger@debian.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-09x86: GEODE: MFGPT: fix a potential race when disabling a timerAndres Salomon
We *really* don't want to be reading MFGPTx_SETUP and writing back those values. What we want to be doing is clearing CMP1 and CMP2 unconditionally; otherwise, we have races where CMP1 and/or CMP2 fire after we've read MFGPTx_SETUP. They can also fire between when we've written ~CNTEN to the register, and when the new register values get copied to the timer's version of the register. By clearing both fields, we're okay. Signed-off-by: Andres Salomon <dilinger@debian.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-09x86: GEODE: MFGPT: Use "just-in-time" detection for the MFGPT timersJordan Crouse
There isn't much value to always detecting the MFGPT timers on Geode platforms; detection is only needed when something wants to use the timers. Move the detection code so that it gets called the first time a timer is allocated. Signed-off-by: Jordan Crouse <jordan.crouse@amd.com> Signed-off-by: Andres Salomon <dilinger@debian.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-09x86: GEODE: MFGPT: make mfgpt_timer_setup available outside of mfgpt_32.cAndres Salomon
We need to be called from elsewhere, and this gets some #ifdefs out of the .c file. Signed-off-by: Andres Salomon <dilinger@debian.org> Signed-off-by: Jordan Crouse <jordan.crouse@amd.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-09x86: GEODE: MFGPT: replace 'flags' field with 'avail' bitAndres Salomon
Drop F_AVAIL and the 'flags' field, replacing with an 'avail' bit. This looks more understandable to me. Signed-off-by: Andres Salomon <dilinger@debian.org> Signed-off-by: Jordan Crouse <jordan.crouse@amd.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-09x86: GEODE: MFGPT: drop module owner usage from MFGPT APIAndres Salomon
We had planned to use the 'owner' field for allowing re-allocation of MFGPTs; however, doing it by module owner name isn't flexible enough. So, drop this for now. If it turns out that we need timers in modules, we'll need to come up with a scheme that matches the write-once fields of the MFGPTx_SETUP register, and drops ponies from the sky. Signed-off-by: Andres Salomon <dilinger@debian.org> Signed-off-by: Jordan Crouse <jordan.crouse@amd.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-09x86: GEODE fix MFGPT input clock valueWilly Tarreau
The GEODE MFGPT code assumed that 32kHz was 32000 Hz while the boards run on a 32.768 kHz digital watch crystal. In practise, it will not change the timer's frequency as the skew was only 2.4%, but it should provide more accurate intervals. Signed-off-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Andres Salomon <dilinger@debian.org> Signed-off-by: Jordan Crouse <jordan.crouse@amd.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-09x86: GEODE: MFGPT: Minor cleanupsAndres Salomon
- uninline timer functions; the compiler knows better than we do whether or not to inline these. - mfgpt_start_timer() had an unused 'clock' argument, drop it. From both Jordan and myself. Signed-off-by: Jordan Crouse <jordan.crouse@amd.com> Signed-off-by: Andres Salomon <dilinger@debian.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-09Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6Linus Torvalds
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: [S390] dynamic page tables. [S390] Add four level page tables for CONFIG_64BIT=y. [S390] 1K/2K page table pages. [S390] Remove a.out header file. [S390] sclp_vt220: Fix vt220 initialization [S390] qdio: avoid hang when establishing qdio queues [S390] VMEM_MAX_PHYS overflow on 31 bit. [S390] zcrypt: Do not start ap poll thread per default [S390] Fix __ffs_word_loop/__ffz_word_loop inlnie assembly. [S390] Wire up new timerfd syscalls. [S390] Update default configuration.
2008-02-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuildLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild: Kbuild: Fix deb-pkg target to work with kernel versions ending with -<text-without-digit> ide: introduce HAVE_IDE kbuild: silence CHK/UPD messages according to $(quiet) scsi: fix makefile for aic7(3*x) kbuild/modpost: Use warn() for announcing section mismatches Add binoffset to gitignore kbuild/modpost: improve warnings if symbol is unknown
2008-02-09Merge branch 'release' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: Merge branches 'release' and 'buildfix' into release acer-wmi - Add documentation sonypi - Move sonypi.txt to Documentation/laptops sony-laptop - Move sony-laptop.txt to Documentation/laptops thinkpad-acpi - Move thinkpad-acpi.txt to Documentation/laptops Documentation - Create laptops sub-directory ACPI: thermal: buildfix for CONFIG_THERMAL=n cpuidle: build fix for non-x86 acer-wmi: Fix backlight on AMW0 (V1) laptops tc1100-wmi: Mark as experimental ACPI: SBS: Host controller must initialize before SBS.
2008-02-09Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc: mmc: extend ricoh_mmc to support Ricoh RL5c476 at91_mci: use generic GPIO calls sdhci: add num index for multi controllers case MAINTAINERS: remove non-existant URLs mmc: remove sdhci and mmc_spi experimental markers mmc: Handle suspend/resume in Ricoh MMC disabler
2008-02-09Merge git://git.infradead.org/mtd-2.6Linus Torvalds
* git://git.infradead.org/mtd-2.6: [MTD] [NAND] cs553x_nand: command line partitioning support
2008-02-09memstick: initial commit for Sony MemoryStick supportAlex Dubov
Sony MemoryStick cards are used in many products manufactured by Sony. They are available both as storage and as IO expansion cards. Currently, only MemoryStick Pro storage cards are supported via TI FlashMedia MemoryStick interface. [mboton@gmail.com: biuld fix] [akpm@linux-foundation.org: build fix] Signed-off-by: Alex Dubov <oakad@yahoo.com> Signed-off-by: Miguel Boton <mboton@gmail.co> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-09m68knommu: add pgtable_tMartin Schwidefsky
CC init/main.o In file included from include2/asm/uaccess.h:8, from include/linux/poll.h:13, from include/linux/rtc.h:113, from include/linux/efi.h:19, from linux-2.6/init/main.c:43: include/linux/mm.h:1151: error: expected declaration specifiers or '...' before 'pgtable_t' Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Reported-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-09Add pgtable_t to remaining nommu architecturesMartin Schwidefsky
The pte_fn_t in include/linux/mm.h make it necessary for all architectures to define a pgtable_t type, even those that do not have an mmu. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-09ub: fix up the conversion to sg_init_table()Pete Zaitcev
Signed-off-by: Pete Zaitcev <zaitcev@redhat.com> Cc: "Oliver Pinter" <oliver.pntr@gmail.com> Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-09fix up kerneldoc in fs/ioctl.c a little bitChristoph Hellwig
- remove non-standard in/out markers - use tabs for formatting Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: "Randy.Dunlap" <rdunlap@xenotime.net> Cc: Erez Zadok <ezk@cs.sunysb.edu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-09memcontrol: add vm_match_cgroup()David Rientjes
mm_cgroup() is exclusively used to test whether an mm's mem_cgroup pointer is pointing to a specific cgroup. Instead of returning the pointer, we can just do the test itself in a new macro: vm_match_cgroup(mm, cgroup) returns non-zero if the mm's mem_cgroup points to cgroup. Otherwise it returns zero. Signed-off-by: David Rientjes <rientjes@google.com> Cc: Balbir Singh <balbir@in.ibm.com> Cc: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-09UML: fix hostfs buildJiri Kosina
/home/bunk/linux/kernel-2.6/git/linux-2.6/fs/hostfs/hostfs_kern.c: In function 'hostfs_show_options': /home/bunk/linux/kernel-2.6/git/linux-2.6/fs/hostfs/hostfs_kern.c:328: error: dereferencing pointer to incomplete type We need to include mount.h to get vfsmount. Signed-off-by: Jiri Kosina <jkosina@suse.cz> Reported-by: Adrian Bunk <bunk@stusta.de> Cc: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-09Fix compile error on nommu for is_swap_pteMatt Mackall
CC mm/vmscan.o In file included from /home/bunk/linux/kernel-2.6/git/linux-2.6/mm/vmscan.c:44: /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/swapops.h: In function 'is_swap_pte': /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/swapops.h:48: error: implicit declaration of function 'pte_none' /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/swapops.h:48: error: implicit declaration of function 'pte_present' Does it ever make sense to ask "is this pte a swap entry?" on a machine with no MMU? Presumably this also means it has no ptes too, right? In which case, it's better to comment the whole function out. Then when someone tries to ask the above meaningless question, they get a compile error rather than a meaningless answer. Signed-off-by: Matt Mackall <mpm@selenic.com> Cc: Mike Frysinger <vapier@gentoo.org> Reported-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-09[S390] dynamic page tables.Martin Schwidefsky
Add support for different number of page table levels dependent on the highest address used for a process. This will cause a 31 bit process to use a two level page table instead of the four level page table that is the default after the pud has been introduced. Likewise a normal 64 bit process will use three levels instead of four. Only if a process runs out of the 4 tera bytes which can be addressed with a three level page table the fourth level is dynamically added. Then the process can use up to 8 peta byte. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-02-09[S390] Add four level page tables for CONFIG_64BIT=y.Martin Schwidefsky
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-02-09[S390] 1K/2K page table pages.Martin Schwidefsky
This patch implements 1K/2K page table pages for s390. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-02-09[S390] Remove a.out header file.Martin Schwidefsky
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-02-09[S390] sclp_vt220: Fix vt220 initializationChristian Borntraeger
There are two problems in the vt220 intialization: o Currently the vt220 console looses early printk events until the the vt220 tty is registered. o console should work if tty_register fails sclp_vt220_con_init calls __sclp_vt220_init and register_console. It does not register the driver with the sclp core code via sclp_register. That results in an sclp_send_mask=0. Therefore, __sclp_vt220_emit will reject buffers with EIO. Unfortunately register_console will cause the printk buffer to be sent to the console and, therefore, every early message gets dropped. The sclp_send_mask is set later during boot, when sclp_vt220_tty_init calls sclp_register. The solution is to move the sclp_register call from sclp_vt220_tty_init to __sclp_vt220_init. This makes sure that the console is properly registered with the sclp subsystem before the first log buffer messages are passed to the vt220 console. We also adopt the cleanup on error to keep the console alive if tty_register fails. Thanks to Peter Oberparleiter and Heiko Carstens for review and ideas for improvement. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-02-09[S390] qdio: avoid hang when establishing qdio queuesUrsula Braun
If qdio establish runs in parallel with a channel error, ccw_device_start_timeout may not trigger the qdio_timeout_handler. In this case neither QDIO_IRQ_STATE_ESTABLISHED nor QDIO_IRQ_STATE_ERR is reached and the following wait_event hangs forever. Solution: do not make use of the timeout option with ccw_device_start, but add a timeout to the following wait_event. Signed-off-by: Ursula Braun <braunu@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-02-09[S390] VMEM_MAX_PHYS overflow on 31 bit.Martin Schwidefsky
With the new space saving spinlock_t and a non-debug configuration the struct page only has 32 bytes for 31 bit s390. The causes an overflow in the calculation of VMEM_MAX_PHYS which renders the kernel unbootable. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-02-09[S390] zcrypt: Do not start ap poll thread per defaultFelix Beck
Do not start ap poll thread per default to increase perfomance with z/VM. Signed-off-by: Felix Beck <felix.beck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-02-09[S390] Fix __ffs_word_loop/__ffz_word_loop inlnie assembly.Martin Schwidefsky
The black art of inline assemblies.. The new __ffs_word_loop/ __ffz_word_loop inline assemblies need an early clobber for the two input/output variables. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-02-09[S390] Wire up new timerfd syscalls.Heiko Carstens
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-02-09[S390] Update default configuration.Martin Schwidefsky
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-02-09Kbuild: Fix deb-pkg target to work with kernel versions ending with ↵Michal Sojka
-<text-without-digit> If CONIFIG_LOCALVERSION is set for example to -loop, the following error message was generated. dpkg-deb - error: Debian revision (`loop') doesn't contain any digits dpkg-deb: 1 errors in control file The patch solves this by adding a numeric revision to package version. Signed-off-by: Michal Sojka <sojkam1@fel.cvut.cz> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-02-09ide: introduce HAVE_IDESam Ravnborg
To allow flexible configuration of IDE introduce HAVE_IDE. All archs except arm, um and s390 unconditionally select it. For arm the actual configuration determine if IDE is supported. This is a step towards introducing drivers/Kconfig for arm. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Russell King - ARM Linux <linux@arm.linux.org.uk> Acked-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-02-09kbuild: silence CHK/UPD messages according to $(quiet)Mike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-02-09scsi: fix makefile for aic7(3*x)Sam Ravnborg
Fix bug introduced by my latest fix to the aic7xxx Makefile. Test build on x86 32 and 64 bit. Without and with -j (parallel build) Building firmaware is br0ken with O=... but this is unrelated to this bug-fix. Tested-by: Adrian Bunk <bunk@kernel.org> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-02-09kbuild/modpost: Use warn() for announcing section mismatchesGeert Uytterhoeven
modpost: Use warn() for announcing section mismatches, for easy grepping for warnings in build logs. Also change an existing call from fprintf() to warn() while we're at it. Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-02-09Add binoffset to gitignoreUwe Kleine-König
Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-02-09kbuild/modpost: improve warnings if symbol is unknownSam Ravnborg
If we cannot determine the symbol then print (unknown) to hint the reader that we failed to find the symbol. This happens with REL relocation records in arm object files. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-02-09Merge branches 'release', 'wmi' and 'laptop-docs' into releaseLen Brown
2008-02-09Merge branches 'release' and 'bugzilla-9910' into releaseLen Brown
2008-02-09Merge branches 'release' and 'buildfix' into releaseLen Brown
2008-02-09acer-wmi - Add documentationCarlos Corbacho
Add some initial documentation detailing what acer-wmi is, and how to use it. Update the Kconfig entry with a reference to the documentation. Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Len Brown <len.brown@intel.com>
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