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2007-05-10Merge branch 'master' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc * '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 ...
2007-05-10Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds
* 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
2007-05-10Merge 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] 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
2007-05-10Revert "[PATCH] paravirt: Add startup infrastructure for paravirtualization"Eric W. Biederman
This reverts commit c9ccf30d77f04064fe5436027ab9d2230c7cdd94. Entering the kernel at startup_32 without passing our real mode data in %esi, and without guaranteeing that physical and virtual addresses are identity mapped makes head.S impossible to maintain. The only user of this infrastructure is lguest which is not merged so nothing we currently support will break by removing this over designed nightmare, and only the pending lguest patches will be affected. The pending Xen patches have a different entry point that they use. We are currently discussing what Xen and lguest need to do to boot the kernel in a more normal fashion so using startup_32 in this weird manner is clearly not their long term direction. So let's remove this code in head.S before it causes brain damage to people trying to maintain head.S Cc: Chris Wright <chrisw@sous-sol.org> Cc: Andi Kleen <ak@suse.de> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Zachary Amsden <zach@vmware.com> CC: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-10x86_64: fix default_do_nmi() missing return after an if ()Mathieu Desnoyers
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-10[S390] update default configuration.Martin Schwidefsky
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-05-10[S390] Kconfig: use common Kconfig files for s390.Martin Schwidefsky
Disband drivers/s390/Kconfig, use the common Kconfig files. The s390 specific config options from drivers/s390/Kconfig are moved to the respective common Kconfig files. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-05-10[S390] Avoid compile warning.Heiko Carstens
arch/s390/mm/fault.c: In function `signal_return': arch/s390/mm/fault.c:256: warning: unused variable `compat' Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
2007-05-10[S390] fix subsystem removal falloutCornelia Huck
This patch fixes compilation on s390 after the removal of struct subsystem. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-05-10[POWERPC] Fix compile error with kexec and CONFIG_SMP=nPaul Mackerras
Commit 2f4dfe206a2fc07099dfad77a8ea2f4b4ae2140f moved the definition of hard_smp_processor_id() for the UP case from include/linux/smp.h to include/asm/smp.h. However, include/linux/smp.h only includes include/asm/smp.h in the SMP case, so code that wants to use hard_smp_processor_id() has to include <asm/smp.h> explicitly to be sure of getting the definition. Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-05-10[POWERPC] Split initrd logic out of early_init_dt_scan_chosen() to fix warningMichael Ellerman
If CONFIG_BLK_DEV_INITRD is not defined the prop variable in early_init_dt_scan_chosen() is unused, causing a compiler warning. So split the initrd logic into a separate function, allowing us to declare prop only when we need it. Built for both cases and booted with an initrd. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-05-10[POWERPC] Fix warning in hpte_decode(), and generalize itPaul Mackerras
This adds the necessary support to hpte_decode() to handle 1TB segments and 16GB pages, and removes an uninitialized value warning on avpn. We don't have any code to generate HPTEs for 1TB segments or 16GB pages yet, so this is mostly for completeness, and to fix the warning. Signed-off-by: Paul Mackerras <paulus@samba.org> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2007-05-10[POWERPC] Minor pSeries IOMMU debug cleanupMichael Neuling
pci is not initialized before being used here, so this debug print is bogus at the current location. Move it to where it makes sense. Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-05-10[POWERPC] Assorted janitorial EEH cleanupsLinas Vepstas
Assorted minor cleanups to EEH code; -- use literals, use kerneldoc format. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> ---- arch/powerpc/platforms/pseries/eeh.c | 13 ++++++++++--- arch/powerpc/platforms/pseries/eeh_driver.c | 7 ++++--- include/asm-powerpc/ppc-pci.h | 18 +++++++++++++++--- 3 files changed, 29 insertions(+), 9 deletions(-) Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-05-10[POWERPC] Fix incorrect calculation of I/O window addressesPaul Mackerras
My patch "Cope with PCI host bridge I/O window not starting at 0" introduced a bug in the calculation of the virtual addresses for the I/O windows of PCI host bridges other than the first, because it didn't account for the fact that hose->io_resource gets offset so that it reflects the range of global I/O port numbers assigned to the bridge. This fixes it and simplifies get_bus_io_range() in the process. Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-05-10[POWERPC] celleb: Update celleb_defconfigIshizaki Kou
Updates for celleb_defconfig. Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp> Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-05-10[POWERPC] celleb: Fix parsing of machine type hack command line optionIshizaki Kou
This is a bugfix to install Fedora Core 6 by using kernel command line 'celleb_machine_type_hack=CHRP'. Yes, this is a one-character fix to add forgotten '='. Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp> Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-05-10[POWERPC] celleb: Fix PCI config space accesses to subordinate busesIshizaki Kou
Checking whether bus->self is NULL is not enough to know "bus" is the primary bus. Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp> Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-05-10[POWERPC] celleb: Fix support for multiple PCI domainsIshizaki Kou
Celleb has multiple PCI host bridges (phbs). Previous boot logic gives non-overlapped bus IDs between PCI host bridges so you can identify PHB by bus ID. But newer boot logic gives same bus ID between PHBs (it gives bus ID 0 as root bus.) So we have to set 'phb->buid' as non-zero. Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp> Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-05-10Merge branch 'linux-2.6'Paul Mackerras
2007-05-10[SPARC64]: Use alloc_pci_dev() in PCI bus probes.David S. Miller
Otherwise MSI explodes because pci_msi_init_pci_dev() does not get invoked. Signed-off-by: David S. Miller <davem@davemloft.net>
2007-05-10[SPARC64]: Fix recursion in PROM tree building.David S. Miller
Use iteration for scanning of PROM node siblings. Based upon a patch by Greg Onufer, who found this bug. Signed-off-by: David S. Miller <davem@davemloft.net>
2007-05-09[POWERPC] User rheap from arch/powerpc/libKumar Gala
Removed rheap in arch/ppc/lib and changed build system to use the one in arch/powerpc/lib. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2007-05-09[POWERPC] 83xx: Fix the PCI ranges in the MPC834x_MDS device tree.Scott Wood
The MPC834x_MDS device tree's PCI non-prefetchable MMIO range was specified incorrectly. Both the local and bus addresses start at 0x90000000. Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2007-05-09[POWERPC] 83xx: Fix the PCI ranges in the MPC832x_MDS device tree.Scott Wood
The MPC832x_MDS device tree's PCI non-prefetchable MMIO range was specified incorrectly. Both the local and bus addresses start at 0x90000000. Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2007-05-09[POWERPC] Change rheap functions to use ulongs instead of pointersTimur Tabi
The rheap allocation functions return a pointer, but the actual value is based on how the heap was initialized, and so it can be anything, e.g. an offset into a buffer. A ulong is a better representation of the value returned by the allocation functions. This patch changes all of the relevant rheap functions to use a unsigned long integers instead of a pointer. In case of an error, the value returned is a negative error code that has been cast to an unsigned long. The caller can use the IS_ERR_VALUE() macro to check for this. All code which calls the rheap functions is updated accordingly. Macros IS_MURAM_ERR() and IS_DPERR(), have been deleted in favor of IS_ERR_VALUE(). Also added error checking to rh_attach_region(). Signed-off-by: Timur Tabi <timur@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2007-05-09[POWERPC] 86xx: Enable the AC97 interface on 8641D board.Jason Jin
HD interface and AC97 interface share some pins and they are enabled at the same time, In order to use AC97 interface, we need to disable the HD interface first. Signed-off-by:Jason Jin<jason.jin@freescale.com> Acked-by: Jon Loeliger <jdl@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2007-05-09[POWERPC] 83xx: Suppress warning when CONFIG_ options aren't definedKumar Gala
Suppress warning when CONFIG_PCI & CONFIG_QUICC_ENGINE is not defined Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2007-05-09[POWERPC] 83xx: Suppress warning when CONFIG_PCI is not definedLi Yang
Suppress warning when CONFIG_PCI is not defined. Signed-off-by: Li Yang <leoli@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2007-05-09[IA64] sa_interrupt is deprecatedakpm@linux-foundation.org
Seems more than just deprecated, we can't build using SA_INTERUPT. Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Tony Luck <tony.luck@intel.com>
2007-05-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] wire up pselect, ppoll [IA64] Add TIF_RESTORE_SIGMASK [IA64] unwind did not work for processes born with CLONE_STOPPED [IA64] Optional method to purge the TLB on SN systems [IA64] SPIN_LOCK_UNLOCKED macro cleanup in arch/ia64 [IA64-SN2][KJ] mmtimer.c-kzalloc [IA64] fix stack alignment for ia32 signal handlers [IA64] - Altix: hotplug after intr redirect can crash system [IA64] save and restore cpus_allowed in cpu_idle_wait [IA64] Removal of percpu TR cleanup in kexec code [IA64] Fix some section mismatch errors
2007-05-09Merge master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6: sh: Fix stacktrace simplification fallout. sh: SH7760 DMABRG support. sh: clockevent/clocksource/hrtimers/nohz TMU support. sh: Truncate MAX_ACTIVE_REGIONS for the common case. rtc: rtc-sh: Fix rtc_dev pointer for rtc_update_irq(). sh: Convert to common die chain. sh: Wire up utimensat syscall. sh: landisk mv_nr_irqs definition. sh: Fixup ndelay() xloops calculation for alternate HZ. sh: Add 32-bit opcode feature CPU flag. sh: Fix PC adjustments for varying opcode length. sh: Support for SH-2A 32-bit opcodes. sh: Kill off redundant __div64_32 symbol export. sh: Share exception vector table for SH-3/4. sh: Always define TRAPA_BUG_OPCODE. sh: __GFP_REPEAT for pte allocations, too. rtc: rtc-sh: Fix up dev_dbg() warnings. sh: generic quicklist support.
2007-05-09Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (28 commits) ARM: OMAP: Fix GCC-reported compile time bug ARM: OMAP: restore CONFIG_GENERIC_TIME ARM: OMAP: partial LED fixes ARM: OMAP: add SoSSI clock (call propagate_rate for childrens) ARM: OMAP: FB sync with N800 tree (support for dynamic SRAM allocations) ARM: OMAP: Sync framebuffer headers with N800 tree ARM: OMAP: Mostly cosmetic to sync up with linux-omap tree ARM: OMAP: Fix gpmc header ARM: OMAP: Add mailbox support for IVA [ARM] armv7: add Makefile and Kconfig entries [ARM] armv7: add support for asid-tagged VIVT I-cache [ARM] armv7: add dedicated ARMv7 barrier instructions [ARM] armv7: Add ARMv7 cacheid macros [ARM] armv7: add support for ARMv7 cores. [ARM] Fix ARM branch relocation range [ARM] 4363/1: AT91: Remove legacy PIO definitions [ARM] 4361/1: AT91: Build error ARM: OMAP: Sync core code with linux-omap ARM: OMAP: Sync headers with linux-omap ARM: OMAP: h4 must have blinky leds!! ...
2007-05-09Merge branch 'master' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc * 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: [POWERPC] Further fixes for the removal of 4level-fixup hack from ppc32 [POWERPC] EEH: log all PCI-X and PCI-E AER registers [POWERPC] EEH: capture and log pci state on error [POWERPC] EEH: Split up long error msg [POWERPC] EEH: log error only after driver notification. [POWERPC] fsl_soc: Make mac_addr const in fs_enet_of_init(). [POWERPC] Don't use SLAB/SLUB for PTE pages [POWERPC] Spufs support for 64K LS mappings on 4K kernels [POWERPC] Add ability to 4K kernel to hash in 64K pages [POWERPC] Introduce address space "slices" [POWERPC] Small fixes & cleanups in segment page size demotion [POWERPC] iSeries: Make HVC_ISERIES the default [POWERPC] iSeries: suppress build warning in lparmap.c [POWERPC] Mark pages that don't exist as nosave [POWERPC] swsusp: Introduce register_nosave_region_late
2007-05-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivialLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial: (25 commits) sound: convert "sound" subdirectory to UTF-8 MAINTAINERS: Add cxacru website/mailing list include files: convert "include" subdirectory to UTF-8 general: convert "kernel" subdirectory to UTF-8 documentation: convert the Documentation directory to UTF-8 Convert the toplevel files CREDITS and MAINTAINERS to UTF-8. remove broken URLs from net drivers' output Magic number prefix consistency change to Documentation/magic-number.txt trivial: s/i_sem /i_mutex/ fix file specification in comments drivers/base/platform.c: fix small typo in doc misc doc and kconfig typos Remove obsolete fat_cvf help text Fix occurrences of "the the " Fix minor typoes in kernel/module.c Kconfig: Remove reference to external mqueue library Kconfig: A couple of grammatical fixes in arch/i386/Kconfig Correct comments in genrtc.c to refer to correct /proc file. Fix more "deprecated" spellos. Fix "deprecated" typoes. ... Fix trivial comment conflict in kernel/relay.c.
2007-05-09Merge branch 'for-linus' of git://www.atmel.no/~hskinnemoen/linux/kernel/avr32Linus Torvalds
* 'for-linus' of git://www.atmel.no/~hskinnemoen/linux/kernel/avr32: [AVR32] Wire up sys_utimensat [AVR32] Fix section mismatch .taglist -> .init.text [AVR32] Implement dma_{alloc,free}_writecombine() AVR32: Spinlock initializer cleanup [AVR32] Use correct config symbol when setting cpuflags
2007-05-09i386: cpu/transmeta.c: fix definition of USER686H. Peter Anvin
The definition of USER686 is supposed to be a mask of feature bits, not an OR of feature numbers! It happened to work anyway on the only processor affected, simply by pure coincidence. Fix. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-09i386: voyager: use __maybe_unusedDavid Rientjes
Replace automatic variable instances of __attribute__((unused)) with __maybe_unused in mca_nmi_hook(). Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-09i386 pci: use __maybe_unusedDavid Rientjes
Use the new macro here Cc: Andi Kleen <ak@suse.de> Signed-off-by: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-09rename thread_info to stackRoman Zippel
This finally renames the thread_info field in task structure to stack, so that the assumptions about this field are gone and archs have more freedom about placing the thread_info structure. Nonbroken archs which have a proper thread pointer can do the access to both current thread and task structure via a single pointer. It'll allow for a few more cleanups of the fork code, from which e.g. ia64 could benefit. Signed-off-by: Roman Zippel <zippel@linux-m68k.org> [akpm@linux-foundation.org: build fix] Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Ian Molton <spyro@f2s.com> Cc: Haavard Skinnemoen <hskinnemoen@atmel.com> Cc: Mikael Starvik <starvik@axis.com> Cc: David Howells <dhowells@redhat.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Hirokazu Takata <takata@linux-m32r.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Roman Zippel <zippel@linux-m68k.org> Cc: Greg Ungerer <gerg@uclinux.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Kazumoto Kojima <kkojima@rr.iij4u.or.jp> Cc: Richard Curnow <rc@rc0.org.uk> Cc: William Lee Irwin III <wli@holomorphy.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Cc: Miles Bader <uclinux-v850@lsi.nec.co.jp> Cc: Andi Kleen <ak@muc.de> Cc: Chris Zankel <chris@zankel.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-09wrap access to thread_infoRoman Zippel
Recently a few direct accesses to the thread_info in the task structure snuck back, so this wraps them with the appropriate wrapper. Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-09microcode: use suspend-related CPU hotplug notificationsRafael J. Wysocki
Make the microcode driver use the suspend-related CPU hotplug notifications to handle the CPU hotplug events occuring during system-wide suspend and resume transitions. Remove the global variable suspend_cpu_hotplug previously used for this purpose. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Cc: Gautham R Shenoy <ego@in.ibm.com> Cc: Pavel Machek <pavel@ucw.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-09Add suspend-related notifications for CPU hotplugRafael J. Wysocki
Since nonboot CPUs are now disabled after tasks and devices have been frozen and the CPU hotplug infrastructure is used for this purpose, we need special CPU hotplug notifications that will help the CPU-hotplug-aware subsystems distinguish normal CPU hotplug events from CPU hotplug events related to a system-wide suspend or resume operation in progress. This patch introduces such notifications and causes them to be used during suspend and resume transitions. It also changes all of the CPU-hotplug-aware subsystems to take these notifications into consideration (for now they are handled in the same way as the corresponding "normal" ones). [oleg@tv-sign.ru: cleanups] Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Cc: Gautham R Shenoy <ego@in.ibm.com> Cc: Pavel Machek <pavel@ucw.cz> Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-09Use the APIC to determine the hardware processor id - i386Fernando Luis Vazquez Cao
hard_smp_processor_id used to be just a macro that hard-coded hard_smp_processor_id to 0 in the non SMP case. When booting non SMP kernels on hardware where the boot ioapic id is not 0 this turns out to be a problem. This is happens frequently in the case of kdump and once in a great while in the case of real hardware. Use the APIC to determine the hardware processor id in both UP and SMP kernels to fix this issue. Notice that hard_smp_processor_id is only used by SMP code or by code that works with apics so we do not need to handle the case when apics are not present and hard_smp_processor_id should never be called there. Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp> Cc: "Luck, Tony" <tony.luck@intel.com> Acked-by: Andi Kleen <ak@suse.de> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Vivek Goyal <vgoyal@in.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-09Remove hardcoding of hard_smp_processor_id on UP systemsFernando Luis Vazquez Cao
With the advent of kdump, the assumption that the boot CPU when booting an UP kernel is always the CPU with a particular hardware ID (often 0) (usually referred to as BSP on some architectures) is not valid anymore. The reason being that the dump capture kernel boots on the crashed CPU (the CPU that invoked crash_kexec), which may be or may not be that particular CPU. Move definition of hard_smp_processor_id for the UP case to architecture-specific code ("asm/smp.h") where it belongs, so that each architecture can provide its own implementation. Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp> Cc: "Luck, Tony" <tony.luck@intel.com> Acked-by: Andi Kleen <ak@suse.de> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Vivek Goyal <vgoyal@in.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-09uml: turn build warnings into commentsMiklos Szeredi
These haven't been fixed for ages. Just make comments out of them. arch/um/kernel/skas/process.c:181:2: warning: #warning Need to look up +userspace_pid by cpu arch/um/kernel/skas/process.c:187:2: warning: #warning Need to look up +userspace_pid by cpu arch/um/kernel/skas/process.c:194:2: warning: #warning need to loop over +userspace_pids in kill_off_processes_skas Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Jeff Dike <jdike@linux.intel.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-09uml: mark a tt-only functionJeff Dike
Mark another function as tt-mode only. Signed-off-by: Jeff Dike <jdike@linux.intel.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-09uml: turn on SCSI supportPeter Zijlstra
Enable (i)SCSI on UML, dunno why SCSI was deemed broken, it works like a charm. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Jeff Dike <jdike@linux.intel.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-09FRV: Replace pgd management via slabs through quicklistsChristoph Lameter
This is done in order to be able to run SLUB which expects no modifications to its page structs. Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-09sh: Fix stacktrace simplification fallout.Paul Mundt
When the stacktrace simplification changes went in the function definition on SH got skipped, fix it up so things build again. Signed-off-by: Paul Mundt <lethal@linux-sh.org>