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| * x86: use dstapic in mp_config_acpi_legacy_irqsYinghai Lu2008-07-08
| | | | | | | | | | | | | | | | | | | | so we don't get the same value multiple times. also make mp_config_acpi_legacy_irqs more readable by moving assignments together. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * x86: keep MP_intsrc_info untouched if we do not update mptableYinghai Lu2008-07-08
| | | | | | | | | | | | | | | | | | | | | | | | | | Daniel Exner reported IO-APIC enumeration breakage in linux-next. Alexey Starikovskiy found out that it might be related to commit 2944e16b25 "x86: update mptable". use enable_update_mptable to decide if need check before add mp_irqs array. Reported-by: Daniel Exner <webmaster@dragonslave.de> Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * Merge branch 'linus' into tmp.x86.mpparse.newIngo Molnar2008-07-08
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| * | x86: make generic arch support NUMAQYinghai Lu2008-06-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ... so it could fall back to normal numa and we'd reduce the impact of the NUMAQ subarch. NUMAQ depends on GENERICARCH also decouple genericarch numa from acpi. also make it fall back to bigsmp if apicid > 8. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | x86: update mptableYinghai Lu2008-06-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | make mptable to be consistent with acpi routing, so we could: 1. kexec kernel with acpi=off 2. work around BIOSes where acpi routing is working, but mptable is not right, so can use kernel/kexec to start other OSes that don't have good acpi support. command line: update_mptable Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | x86: fix mpparse/acpi interactionAlexey Starikovskiy2008-05-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Sitsofe Wheeler reported boot problems on linux-next. It looks like the same issue as found by Soeren Sandman in 7575217f656a93, "x86: initialize all fields of mp_irqs[mp_irq_entries]". But his fix is also not complete, as dstapic is used before it assigned. Reported-by: Sitsofe Wheeler <sitsofe@yahoo.com> Bisected-by: Sitsofe Wheeler <sitsofe@yahoo.com> Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | x86: initialize all fields of mp_irqs[mp_irq_entries]Soeren Sandmann2008-05-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | Commit "x86: make config_irqsrc not MPspec specific" introduced some uses of uninitialized fields in mp_config_acpi_legacy_irqs(). I need the following patch to get sched-devel/master to boot. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | x86: make config_irqsrc not MPspec specificAlexey Starikovskiy2008-05-25
| | | | | | | | | | | | | | | Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | x86: make struct config_ioapic not MPspec specificAlexey Starikovskiy2008-05-25
| | | | | | | | | | | | | | | Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | x86: make mp_ioapic_routing definition localAlexey Starikovskiy2008-05-25
| | | | | | | | | | | | | | | Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | x86: complete move ACPI from mpparse.cAlexey Starikovskiy2008-05-25
| | | | | | | | | | | | | | | Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | x86: move mp_ioapic_routing to mpparse and make it staticThomas Gleixner2008-05-25
| | | | | | | | | | | | | | | | | | | | | mpparse is the only user of mp_ioapic_routing. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | | Merge branch 'linus' into x86/irqIngo Molnar2008-06-16
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| * | x86: fix APIC warning on 32bit v2Yinghai Lu2008-06-04
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | for http://bugzilla.kernel.org/show_bug.cgi?id=10613 BIOS bug, APIC version is 0 for CPU#0! fixing up to 0x10. (tell your hw vendor) v2: fix 64 bit compilation Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Gabriel C <nix.or.die@googlemail.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* / x86: move eisa_set_level_irq declaration to headerThomas Gleixner2008-05-12
|/ | | | | | Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* acpi: get boot_cpu_id as early for k8_scan_nodesYinghai Lu2008-04-26
| | | | | | | [mingo@elte.hu: split from "x86_64: get boot_cpu_id as early for k8_scan_nodes] Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86: remove unnecessary memset and NULL check after alloc_bootmem()Akinobu Mita2008-04-26
| | | | | | | | memset and NULL check after alloc_bootmem() are unnecessary. Because it returns zeroed memory and it never return NULL. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: move mp_register_lapic_address to boot.cAlexey Starikovskiy2008-04-17
| | | | | Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: move mp_register_lapic to boot.cAlexey Starikovskiy2008-04-17
| | | | | Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: move mp_ioapic_routing to boot.cAlexey Starikovskiy2008-04-17
| | | | | Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: parsing for ACPI "SAPIC" tableJack Steiner2008-04-17
| | | | | | | | | | | | Add kernel support for new ACPI "sapic" tables that contain 16-bit APICIDs. This patch simply adds parsing of an optional SAPIC table if present. Otherwise, the traditional local APIC table is used. Note: the SAPIC table is not a new ACPI table - it exists on other architectures but is not currently recognized by x86_64. Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: add functions to determine if platform is a UV platformJack Steiner2008-04-17
| | | | | | | | | Add functions that can be used to determine if an x86_64 system is a SGI "UV" system. UV systems come in 3 types and are identified by the OEM ID in the MADT. Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: replace the now useless max_pfn_mapped defineThomas Gleixner2008-04-17
| | | | | Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: include mach_apic.h in smpboot_64.c and smpboot.cGlauber de Oliveira Costa2008-04-17
| | | | | | | | | | | After the inclusion, a lot of files needs fixing for conflicts, some of them in the headers themselves, to accomodate for both i386 and x86_64 versions. [ mingo@elte.hu: build fix ] Signed-off-by: Glauber Costa <gcosta@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* PCI: don't load acpi_php when acpi is disabledYinghai Lu2008-02-21
| | | | | | | | | | | | | | | | | | | When acpi=off and pci=nomsi, don't load acpiphp. Fixes this: pci_hotplug: PCI Hot Plug PCI Core version: 0.5 acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 ACPI Exception (utmutex-0263): AE_BAD_PARAMETER, Thread FFFF81103CC54000 could not acquire Mutex [1] [20070126] [akpm@linux-foundation.org: export acpi_pci_disabled for acpiphp.ko] [akpm@linux-foundation.org: fix return statement] Signed-off-by: Yinghai Lu <yinghai.lu@sun.com> Cc: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* Merge branches 'release' and 'fluff' into releaseLen Brown2008-02-07
|\ | | | | | | | | | | | | | | | | Conflicts: drivers/acpi/scan.c include/linux/acpi.h Signed-off-by: Len Brown <len.brown@intel.com>
| * ACPI: misc cleanupsAdrian Bunk2008-02-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch contains the following possible cleanups: - make the following needlessly global code static: - drivers/acpi/bay.c:dev_attr_eject - drivers/acpi/bay.c:dev_attr_present - drivers/acpi/dock.c:dev_attr_docked - drivers/acpi/dock.c:dev_attr_flags - drivers/acpi/dock.c:dev_attr_uid - drivers/acpi/dock.c:dev_attr_undock - drivers/acpi/pci_bind.c:acpi_pci_unbind() - drivers/acpi/pci_link.c:acpi_link_lock - drivers/acpi/sbs.c:acpi_sbs_callback() - drivers/acpi/sbshc.c:acpi_smbus_transaction() - drivers/acpi/sleep/main.c:acpi_sleep_prepare() - #if 0 the following unused global functions: - drivers/acpi/numa.c:acpi_unmap_pxm_to_node() - remove the following unused EXPORT_SYMBOL's: - acpi_register_gsi - acpi_unregister_gsi - acpi_strict - acpi_bus_receive_event - register_acpi_bus_type - unregister_acpi_bus_type - acpi_os_printf - acpi_os_sleep - acpi_os_stall - acpi_os_read_pci_configuration - acpi_os_create_semaphore - acpi_os_delete_semaphore - acpi_os_wait_semaphore - acpi_os_signal_semaphore - acpi_os_signal - acpi_pci_irq_enable - acpi_get_pxm Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
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*-. | Merge branches 'release', 'misc' and 'misc-2.6.25' into releaseLen Brown2008-02-07
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| * | acpi: make __acpi_map_table() and __init functionJan Beulich2007-12-13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | .. as it it used only during early boot. Signed-off-by: Jan Beulich <jbeulich@novell.com> arch/ia64/kernel/acpi.c | 2 +- arch/x86/kernel/acpi/boot.c | 4 ++-- drivers/acpi/osl.c | 3 ++- 3 files changed, 5 insertions(+), 4 deletions(-) Signed-off-by: Len Brown <len.brown@intel.com>
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*-. \ \ Merge branches 'release', 'bugzilla-6217', 'bugzilla-6629', 'bugzilla-6933', ↵Len Brown2008-02-07
|\ \ \ \ | | |/ / | |/| / | |_|/ |/| | 'bugzilla-7186', 'bugzilla-8269', 'bugzilla-8570', 'bugzilla-9139', 'bugzilla-9277', 'bugzilla-9341', 'bugzilla-9444', 'bugzilla-9614', 'bugzilla-9643' and 'bugzilla-9644' into release
| | * ACPI: tables: complete searching upon RSDP w/ bad checksum.Len Brown2007-12-14
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ACPI tables follow a tree structure in memory. The root of the tree is the RSDP (Root System Description Pointer). To find the RSDP, the OS searches for the signature "RSD PTR " in well known physical memory locations. Then the OS computes a table checksum to verify that the signature is really part of a valid table header. Some systems have a proper signature but an invalid checksum; followed elsewhere by a proper signature with valid checksum. http://bugzilla.kernel.org/show_bug.cgi?id=9444 The Linux RSDP scanning code bailed out on those systems and as a result they booted with ACPI disabled. Fix this by deleting the Linux RSDP scanning code and plugging in the ACPICA RSDP scanning code. Signed-off-by: Len Brown <len.brown@intel.com>
* / x86: fix section mismatch warning in acpi/boot.cSam Ravnborg2008-02-01
|/ | | | | | | | | | | | | Fix following warning: WARNING: o-x86_64/arch/x86/kernel/built-in.o(.text+0x13d15): Section mismatch in reference from the function acpi_map_lsapic() to the function .cpuinit.text:mp_register_lapic() The function acpi_map_lsapic() is exported and thus not annotated. But the sole user is acpi/processor_core.c in a __cpuinit path. So create a small wrapper and put back the annotation thus avoiding the warning. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: add hpet sanity checksThomas Gleixner2007-11-17
| | | | | | | | | | | | Some BIOSes advertise HPET at 0x0. We really do no want to allocate a resource there. Check for it and leave early. Other BIOSes tell us the HPET is at 0xfed0000000000000 instead of 0xfed00000. Add a check and fix it up with a warning on user request. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivialLinus Torvalds2007-10-19
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial: (74 commits) fix do_sys_open() prototype sysfs: trivial: fix sysfs_create_file kerneldoc spelling mistake Documentation: Fix typo in SubmitChecklist. Typo: depricated -> deprecated Add missing profile=kvm option to Documentation/kernel-parameters.txt fix typo about TBI in e1000 comment proc.txt: Add /proc/stat field small documentation fixes Fix compiler warning in smount example program from sharedsubtree.txt docs/sysfs: add missing word to sysfs attribute explanation documentation/ext3: grammar fixes Documentation/java.txt: typo and grammar fixes Documentation/filesystems/vfs.txt: typo fix include/asm-*/system.h: remove unused set_rmb(), set_wmb() macros trivial copy_data_pages() tidy up Fix typo in arch/x86/kernel/tsc_32.c file link fix for Pegasus USB net driver help remove unused return within void return function Typo fixes retrun -> return x86 hpet.h: remove broken links ...
| * spelling fixes: arch/i386/Simon Arlott2007-10-19
| | | | | | | | | | | | | | Spelling fixes in arch/i386/. Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Signed-off-by: Adrian Bunk <bunk@kernel.org>
* | x86: convert cpu_to_apicid to be a per cpu variableMike Travis2007-10-19
|/ | | | | | | | | | | | | | | | | | | | | | | This patch converts the x86_cpu_to_apicid array to be a per cpu variable. This saves sizeof(apicid) * NR unused cpus. Access is mostly from startup and CPU HOTPLUG functions. MP_processor_info() is one of the functions that require access to the x86_cpu_to_apicid array before the per_cpu data area is setup. For this case, a pointer to the __initdata array is initialized in setup_arch() and removed in smp_prepare_cpus() after the per_cpu data area is initialized. A second change is included to change the initial array value of ARCH i386 from 0xff to BAD_APICID to be consistent with ARCH x86_64. Signed-off-by: Mike Travis <travis@sgi.com> Cc: Andi Kleen <ak@suse.de> Cc: Christoph Lameter <clameter@sgi.com> Cc: "Siddha, Suresh B" <suresh.b.siddha@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* Merge branch 'dmi-const' of ↵Linus Torvalds2007-10-11
| | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6 * 'dmi-const' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6: drivers/firmware: const-ify DMI API and internals
* i386: move kernel/acpiThomas Gleixner2007-10-11
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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