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2009-01-07PCI: x86: use generic pci_swizzle_interrupt_pin()Bjorn Helgaas
Use the generic pci_swizzle_interrupt_pin() instead of arch-specific code. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: hpa@zytor.com Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2009-01-07x86/PCI: minor logic simplicationsBjorn Helgaas
Test "pin" immediately to simplify the subsequent code. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: hpa@zytor.com Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2009-01-07x86/PCI: use config space encoding for interrupt pinsBjorn Helgaas
Keep "pin" encoded as it is in the "Interrupt Pin" value in PCI config space, i.e., 0=device doesn't use interrupts, 1=INTA, ..., 4=INTD. This makes the bridge INTx swizzle match other architectures. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: hpa@zytor.com Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2009-01-07PCI: use config space encoding in pci_get_interrupt_pin()Bjorn Helgaas
This patch makes pci_get_interrupt_pin() return values encoded the same way as the "Interrupt Pin" value in PCI config space, i.e., 1=INTA, ..., 4=INTD. pirq_bios_set() is the only in-tree caller of pci_get_interrupt_pin() and pci_get_interrupt_pin() is not exported. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: hpa@zytor.com Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2009-01-07PCI: avoid early PCI mmconfig init if pci=noearly is given in cmdlineJacob Pan
Early type 1 accesses can cause problems on some platforms, and pci=noearly is supposed to prevent them from occurring. However, early mcfg probing code uses type 1 and isn't protected by a check for noearly. This patch fixes that problem. Signed-off-by: Jacob Pan <jacob.jun.pan@intel.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2009-01-07x86/PCI: make PCI bus locality messages more meaningfulBjorn Helgaas
Change PCI bus locality messages so they have a bit more context and look like the rest of PCI, e.g., - bus 01 -> node 0 - bus 04 -> node 0 + pci 0000:01: bus on NUMA node 0 + pci 0000:04: bus on NUMA node 0 Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2009-01-07PCI: Don't carp about BAR allocation failures in quiet bootIngo Molnar
These are easy to trigger (more or less harmlessly) with multiple video cards, since the ROM BAR will typically not be given any space by the BIOS bridge setup. No reason to punish quiet boot for this. Signed-off-by: Adam Jackson <ajax@redhat.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2009-01-07ACPI/PCI: PCI extended config _OSC support called when root bridge addedAndrew Patterson
The _OSC capability OSC_EXT_PCI_CONFIG_SUPPORT is set when the root bridge is added with pci_acpi_osc_support() if we can access PCI extended config space. This adds the function pci_ext_cfg_avail which returns true if we can access PCI extended config space (offset greater than 0xff). It currently only returns false if arch=x86 and raw_pci_ext_ops is not set (which might happen if pci=nommcfg is set on the kernel command-line). Signed-off-by: Andrew Patterson <andrew.patterson@hp.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-12-29x86, pci: move arch/x86/pci/pci.h to arch/x86/include/asm/pci_x86.hJaswinder Singh Rajput
Impact: cleanup Now that arch/x86/pci/pci.h is used in a number of other places as well, move the lowlevel x86 pci definitions into the architecture include files. (not to be confused with the existing arch/x86/include/asm/pci.h file, which provides public details about x86 PCI) Tested on: X86_32_UP, X86_32_SMP and X86_64_SMP Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com> Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-12-23Merge branches 'x86/apic', 'x86/cleanups', 'x86/cpufeature', ↵Ingo Molnar
'x86/crashdump', 'x86/debug', 'x86/defconfig', 'x86/detect-hyper', 'x86/doc', 'x86/dumpstack', 'x86/early-printk', 'x86/fpu', 'x86/idle', 'x86/io', 'x86/memory-corruption-check', 'x86/microcode', 'x86/mm', 'x86/mtrr', 'x86/nmi-watchdog', 'x86/pat2', 'x86/pci-ioapic-boot-irq-quirks', 'x86/ptrace', 'x86/quirks', 'x86/reboot', 'x86/setup-memory', 'x86/signal', 'x86/sparse-fixes', 'x86/time', 'x86/uv' and 'x86/xen' into x86/core
2008-11-26x86: fixup config space size of CPU functions for AMD family 11hAndreas Herrmann
Impact: extend allowed configuration space access on 11h CPUs from 256 to 4K Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com> Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-11-11x86: attempt reboot via port CF9 if we have standard PCI portsH. Peter Anvin
Impact: Changes reboot behavior. If port CF9 seems to be safe to touch, attempt it before trying the keyboard controller. Port CF9 is not available on all chipsets (a significant but decreasing number of modern chipsets don't implement it), but port CF9 itself should in general be safe to poke (no ill effects if unimplemented) on any system which has PCI Configuration Method #1 or #2, as it falls inside the PCI configuration port range in both cases. No chipset without PCI is known to have port CF9, either, although an explicit "pci=bios" would mean we miss this and therefore don't use port CF9. An explicit "reboot=pci" can be used to force the use of port CF9. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2008-10-28Merge commit 'v2.6.28-rc2' into x86/pci-ioapic-boot-irq-quirksIngo Molnar
2008-10-20x86/PCI: irq and pci_ids patch for Intel Ibex Peak DeviceIDsSeth Heasley
This patch updates the Intel Ibex Peak (PCH) LPC and SMBus Controller DeviceIDs. The LPC Controller ID is set by Firmware within the range of 0x3b00-3b1f. This range is included in pci_ids.h using min and max values, and irq.c now has code to handle the range (in lieu of 32 additions to a SWITCH statement). The SMBus Controller ID is a fixed-value and will not change. Signed-off-by: Seth Heasley <seth.heasley@intel.com> Acked-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-10-20x86/PCI: follow lspci device/vendor styleBjorn Helgaas
Use "[%04x:%04x]" for PCI vendor/device IDs to follow the format used by lspci(8). Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-10-13Merge branches 'oprofile-v2' and 'timers/hpet' into x86/core-v4Ingo Molnar
2008-10-11Merge branch 'x86/unify-cpu-detect' into x86-v28-for-linus-phase4-DIngo Molnar
Conflicts: arch/x86/kernel/cpu/common.c arch/x86/kernel/signal_64.c include/asm-x86/cpufeature.h
2008-10-11Merge branch 'x86/apic' into x86-v28-for-linus-phase4-BIngo Molnar
Conflicts: arch/x86/kernel/apic_32.c arch/x86/kernel/apic_64.c arch/x86/kernel/setup.c drivers/pci/intel-iommu.c include/asm-x86/cpufeature.h include/asm-x86/dma-mapping.h
2008-09-19Merge commit 'v2.6.27-rc6' into x86/cleanupsIngo Molnar
2008-09-14x86, hpet: SB600 - remove HPET resources from PCI deviceJordan Crouse
Prevent the HPET resources from appearing in PCI device 14.0 which confuses the PCI resource engine. Signed-off-by: Jordan Crouse <jordan.crouse@amd.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-09-04x86: unify using pci_mmcfg_insert_resourceYinghai Lu
even with known_bridge insert them late too. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-09-04x86: split e820 reserved entries record to late v4Ingo Molnar
this one replaces: | commit a2bd7274b47124d2fc4dfdb8c0591f545ba749dd | Author: Yinghai Lu <yhlu.kernel@gmail.com> | Date: Mon Aug 25 00:56:08 2008 -0700 | | x86: fix HPET regression in 2.6.26 versus 2.6.25, check hpet against BAR, v3 v2: insert e820 reserve resources before pnp_system_init v3: fix merging problem in tip/x86/core v4: address Linus's review about comments and condition in _late() Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-09-04x86: split e820 reserved entries record to late v2Yinghai Lu
so could let BAR res register at first, or even pnp. v2: insert e820 reserve resources before pnp_system_init Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-09-04Merge branch 'linus' into x86/coreH. Peter Anvin
2008-09-04Merge branch 'x86/cpu' into x86/coreH. Peter Anvin
Conflicts: arch/x86/kernel/cpu/feature_names.c include/asm-x86/cpufeature.h
2008-09-02Un-break printk strings in x86 PCI probing codeLinus Torvalds
Breaking lines due to some imaginary problem with a long line length is often stupid and wrong, but never more so when it splits a string that is printed out into multiple lines. This really ended up making it much harder to find where some error strings were printed out, because a simple 'grep' didn't work. I'm sure there is tons more of this particular idiocy hiding in other places, but this particular case hit me once more last week. So fix it. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-08-29Revert "x86: fix HPET regression in 2.6.26 versus 2.6.25, check hpet against ↵Linus Torvalds
BAR, v3" This reverts commit a2bd7274b47124d2fc4dfdb8c0591f545ba749dd. It wasn't really right to begin with (there's a better fix for the problem with e820 reservations clashing with PCI BAR's pending), but it also actually causes more regressions, so it should be reverted even before the better fix is finalized. Rafael reports that this commit broke AHCI detection, and thus causes the kernel to not boot on his quad core test box. Reported-and-bisected-by: Rafael J. Wysocki <rjw@sisk.pl> Cc: Yinghai Lu <yhlu.kernel@gmail.com> Cc: David Witbrodt <dawitbro@sbcglobal.net> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-08-25Merge branch 'x86/urgent' into x86/cleanupsH. Peter Anvin
2008-08-25Merge branch 'linus' into x86/urgentIngo Molnar
2008-08-25x86: cleanup in amd_cpu_notify()Robert Richter
small coding style fix. Signed-off-by: Robert Richter <robert.richter@amd.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-08-25Merge branch 'x86/urgent' into x86/cleanupsIngo Molnar
2008-08-25x86: fix HPET regression in 2.6.26 versus 2.6.25, check hpet against BAR, v3Yinghai Lu
David Witbrodt tracked down (and bisected) a hpet bootup hang on his system to the following problem: a BIOS bug made the hpet device visible as a generic PCI device. If e820 reserved entries happen to be registered first in the resource tree [which v2.6.26 started doing], then the PCI code will reallocate that device's BAR to some other address - breaking timer IRQs and hanging the system. ( Normally hpet devices are hidden by the BIOS from the OS's PCI discovery via chipset magic. Sometimes the hpet is not a PCI device at all. ) Solve this fundamental fragility by making non-PCI platform drivers insert resources into the resource tree even if it overlaps the e820 reserved entry, to keep the resource manager from updating the BAR. Also do these checks for the ioapic and mmconfig addresses, and emit a warning if this happens. Bisected-by: David Witbrodt <dawitbro@sbcglobal.net> Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Tested-by: David Witbrodt <dawitbro@sbcglobal.net> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-08-23x86: fix: make PCI ECS for AMD CPUs hotplug capableRobert Richter
Until now, PCI ECS setup was performed at boot time only and for cpus that are enabled then. This patch fixes this and adds cpu hotplug. Tests sequence (check if ECS bit is set when bringing cpu online again): # ( perl -e 'sysseek(STDIN, 0xC001001F, 0)'; hexdump -n 8 -e '2/4 "%08x " "\n"' ) < /dev/cpu/1/msr 00000008 00404010 # ( perl -e 'sysseek(STDOUT, 0xC001001F, 0); print pack "l*", 8, 0x00400010' ) > /dev/cpu/1/msr # ( perl -e 'sysseek(STDIN, 0xC001001F, 0)'; hexdump -n 8 -e '2/4 "%08x " "\n"' ) < /dev/cpu/1/msr 00000008 00400010 # echo 0 > /sys/devices/system/cpu/cpu1/online # echo 1 > /sys/devices/system/cpu/cpu1/online # ( perl -e 'sysseek(STDIN, 0xC001001F, 0)'; hexdump -n 8 -e '2/4 "%08x " "\n"' ) < /dev/cpu/1/msr 00000008 00404010 Reported-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Robert Richter <robert.richter@amd.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-08-23x86: fix: do not run code in amd_bus.c on non-AMD CPUsRobert Richter
Jan Beulich wrote: > Even worse - this would even try to access the MSR on non-AMD CPUs > (currently probably prevented just by the fact that only AMD ones use > family values of 0x10 or higher). This patch adds cpu vendor check to the postcore_initcalls. Reported-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Robert Richter <robert.richter@amd.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-08-21arch/x86/pci/irq.c: attempt to clean up code layoutAndrew Morton
Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-08-19Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: PCI: add acpi_find_root_bridge_handle PCI: acpi_pcihp: run _OSC on a root bridge x86/PCI: irq and pci_ids patch for Intel Ibex Peak PCHs x86/PCI: allow scanning of 255 PCI busses x86, pci: detect end_bus_number according to acpi/e820 reserved, v2 pci: debug extra pci bus resources pci: debug extra pci resources range
2008-08-18Merge branch 'pci-for-jesse' of ↵Jesse Barnes
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip into x86-merge Conflicts: drivers/pci/probe.c
2008-08-15x86/PCI: irq and pci_ids patch for Intel Ibex Peak PCHsSeth Heasley
This patch adds the Intel Ibex Peak (PCH) LPC and SMBus Controller DeviceIDs. Signed-off-by: Seth Heasley <seth.heasley@intel.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-08-15x86: silence mmconfig printkDave Jones
There's so much broken mmconfig hardware/bios'es out there, that classing this as an error seems a little extreme. Lower its priority to KERN_INFO so that it isn't so noisy when booting with 'quiet' Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-08-14Merge branch 'x86/apic' into x86/coreIngo Molnar
2008-08-11x86/PCI: allow scanning of 255 PCI bussesAndi Kleen
Fix an old off by one error in the legacy PCI bus check. 0xff is a valid bus. Signed-off-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-07-28x86/PCI: use dev_printk when possibleBjorn Helgaas
Convert printks to use dev_printk(). I converted DBG() to dev_dbg(). This DBG() is from arch/x86/pci/pci.h and requires source-code modification to enable, so dev_dbg() seems roughly equivalent. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-07-24use generic_access_phys for /dev/mem mappingsRik van Riel
Use generic_access_phys as the access_process_vm access function for /dev/mem mappings. This makes it possible to debug the X server. [akpm@linux-foundation.org: repair all the architectures which broke] Signed-off-by: Rik van Riel <riel@redhat.com> Cc: Benjamin Herrensmidt <benh@kernel.crashing.org> Cc: Dave Airlie <airlied@linux.ie> Cc: Hugh Dickins <hugh@veritas.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-24x86: PIC, L-APIC and I/O APIC debug informationMaciej W. Rozycki
Dump all the PIC, local APIC and I/O APIC information at the fs_initcall() level, which is after ACPI (if used) has initialised PCI information, making the point of invocation consistent across MP-table and ACPI platforms. Remove explicit calls to print_IO_APIC() from elsewhere. Make the interface of all the functions involved consistent between 32-bit and 64-bit versions and make them all static by default by the means of a New-and-Improved(TM) __apicdebuginit() macro. Note that like print_IO_APIC() all these only output anything if "apic=debug" has been passed to the kernel through the command line. Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org> Cc: Chuck Ebbert <cebbert@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-21x86: convert Dprintk to pr_debugThomas Gleixner
There are a couple of places where (P)Dprintk is used which is an old compile time enabled printk wrapper. Convert it to the generic pr_debug(). Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-07-21Merge branches 'x86/urgent', 'x86/amd-iommu', 'x86/apic', 'x86/cleanups', ↵Ingo Molnar
'x86/core', 'x86/cpu', 'x86/fixmap', 'x86/gart', 'x86/kprobes', 'x86/memtest', 'x86/modules', 'x86/nmi', 'x86/pat', 'x86/reboot', 'x86/setup', 'x86/step', 'x86/unify-pci', 'x86/uv', 'x86/xen' and 'xen-64bit' into x86/for-linus
2008-07-20x86, pci: detect end_bus_number according to acpi/e820 reserved, v2Yinghai Lu
Jack Howarth reported that 2.6.26-rc9-git9 doesn't boot on MacBookPro2. the reason is a faulty BIOS update that reportes faulty resources. Nevertheless it's possible for Linux to be more resolent about this situation (and similar situations) and work around this bug, by cross-checking the mmconf range against the e820 table and ACPI resources. Change the mconf bus range from [0,0xff] to to [0, 0x3f] to match range [0xf0000000, 0xf4000000) in e820 tables. [ v2, yhlu.kernel@gmail.com: x86, pci: detect end_bus_number according to acpi/e820 reserved - fix ] Reported-by: Jack Howarth <howarth@bromo.msbb.uc.edu> Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Cc: jbarnes@virtuousgeek.org Cc: Jack Howarth <howarth@bromo.msbb.uc.edu> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-18x86, pci: introduce config option for pci reroute quirks (was: [PATCH 0/3] ↵Stefan Assmann
Boot IRQ quirks for Broadcom and AMD/ATI) This is against linux-2.6-tip, branch pci-ioapic-boot-irq-quirks. From: Stefan Assmann <sassmann@suse.de> Subject: Introduce config option for pci reroute quirks The config option X86_REROUTE_FOR_BROKEN_BOOT_IRQS is introduced to enable (or disable) the redirection of the interrupt handler to the boot interrupt line by default. Depending on the existence of interrupt masking / threaded interrupt handling in the kernel (vanilla, rt, ...) and the maturity of the rerouting patch, users can enable or disable the redirection by default. This means that the reroute quirk can be applied to any kernel without changing it. Interrupt sharing could be increased if this option is enabled. However this option is vital for threaded interrupt handling, as done by the RT kernel. It should simplify the consolidation with the RT kernel. The option can be overridden by either pci=ioapicreroute or pci=noioapicreroute. Signed-off-by: Stefan Assmann <sassmann@suse.de> Signed-off-by: Olaf Dabrunz <od@suse.de> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Cc: Jon Masters <jonathan@jonmasters.org> Cc: Ihno Krumreich <ihno@suse.de> Cc: Sven Dietrich <sdietrich@suse.de> Cc: Daniel Gollub <dgollub@suse.de> Cc: Felix Foerster <ffoerster@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-18Merge branch 'linus' into x86/pci-ioapic-boot-irq-quirksIngo Molnar
Conflicts: drivers/pci/quirks.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-16Merge branch 'linux-next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 * 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: (72 commits) Revert "x86/PCI: ACPI based PCI gap calculation" PCI: remove unnecessary volatile in PCIe hotplug struct controller x86/PCI: ACPI based PCI gap calculation PCI: include linux/pm_wakeup.h for device_set_wakeup_capable PCI PM: Fix pci_prepare_to_sleep x86/PCI: Fix PCI config space for domains > 0 Fix acpi_pm_device_sleep_wake() by providing a stub for CONFIG_PM_SLEEP=n PCI: Simplify PCI device PM code PCI PM: Introduce pci_prepare_to_sleep and pci_back_from_sleep PCI ACPI: Rework PCI handling of wake-up ACPI: Introduce new device wakeup flag 'prepared' ACPI: Introduce acpi_device_sleep_wake function PCI: rework pci_set_power_state function to call platform first PCI: Introduce platform_pci_power_manageable function ACPI: Introduce acpi_bus_power_manageable function PCI: make pci_name use dev_name PCI: handle pci_name() being const PCI: add stub for pci_set_consistent_dma_mask() PCI: remove unused arch pcibios_update_resource() functions PCI: fix pci_setup_device()'s sprinting into a const buffer ... Fixed up conflicts in various files (arch/x86/kernel/setup_64.c, arch/x86/pci/irq.c, arch/x86/pci/pci.h, drivers/acpi/sleep/main.c, drivers/pci/pci.c, drivers/pci/pci.h, include/acpi/acpi_bus.h) from x86 and ACPI updates manually.
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