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2008-10-16x86: unify show_interrupts() and proc helpersThomas Gleixner
show_interrupts() and proc helpers are basically the same for 32 and 64 bit. Move them to a shared source file. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-10-16x86: Add sysfs entries for UV v4Russ Anderson
Create /sys/firmware/sgi_uv sysfs entries for partition_id and coherence_id. Signed-off-by: Russ Anderson <rja@sgi.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-16x86, UV: add uv_setup_irq() and uv_teardown_irq() functions, v3Dean Nelson
Provide a means for UV interrupt MMRs to be setup with the message to be sent when an MSI is raised. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-16x86: rename apic_32.c and apic_64.c to apic.cYinghai Lu
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-16rename io_apic_64.c and io_apic_32.c to io_apic.cYinghai Lu
The two files are now line by line equal. (sans a printk) Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13traps: x86: finalize unification of traps.cAlexander van Heukelum
traps_32.c and traps_64.c are now equal. Move one to traps.c, delete the other one and change the Makefile Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13x86_64: split out dumpstack code from traps_64.cAlexander van Heukelum
The dumpstack code is logically quite independent from the hardware traps. Split it out into its own file. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13i386: split out dumpstack code from traps_32.cAlexander van Heukelum
The dumpstack code is logically quite independent from the hardware traps. Split it out into its own file. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-12Merge branches 'x86/xen', 'x86/build', 'x86/microcode', 'x86/mm-debug-v2', ↵Ingo Molnar
'x86/memory-corruption-check', 'x86/early-printk', 'x86/xsave', 'x86/ptrace-v2', 'x86/quirks', 'x86/setup', 'x86/spinlocks' and 'x86/signal' into x86/core-v2
2008-10-12Merge branch 'linus' into x86/xenIngo Molnar
Conflicts: arch/x86/kernel/cpu/common.c arch/x86/kernel/process_64.c arch/x86/xen/enlighten.c
2008-09-23x86: moved microcode.c to microcode_intel.cDmitry Adamushko
Combine both generic and arch-specific parts of microcode into a single module (arch-specific parts are config-dependent). Also while we are at it, move arch-specific parts from microcode.h into their respective arch-specific .c files. Signed-off-by: Dmitry Adamushko <dmitry.adamushko@gmail.com> Cc: "Peter Oruba" <peter.oruba@amd.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-09-05Merge branch 'x86/xsave' into x86/coreIngo Molnar
2008-09-04x86: move dir es7000 to es7000_32.cYinghai Lu
to be aligned with numaq, summit. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-30x86, xsave: enable xsave/xrstor on cpus with xsave supportSuresh Siddha
Enables xsave/xrstor by turning on cr4.osxsave on cpu's which have the xsave support. For now, features that OS supports/enabled are FP and SSE. Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-28x86: AMD microcode patch loading supportPeter Oruba
This patch introduces microcode patch loading for AMD processors. It is based on previous corresponding work for Intel processors. It hooks into the general patch loading module. Main difference is that a container file format is used to hold all patch data for multiple processors as well as an equivalent CPU table, which comes seperately, as opposed to Intel's microcode patching solution. Kconfig and Makefile have been changed provice config and build option for new source file. Signed-off-by: Peter Oruba <peter.oruba@amd.com> Cc: Tigran Aivazian <tigran@aivazian.fsnet.co.uk> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-28x86: major refactoringPeter Oruba
Refactored code by introducing a two-module solution. There is one general module in which vendor specific modules can hook into. However, that is exclusive, there is only one vendor specific module allowed at a time. A CPU vendor check makes sure only the correct module for the underlying system gets called. Functinally in terms of patch loading itself there are no changes. This refactoring provides a basis for future implementations of other vendors' patch loaders. Signed-off-by: Peter Oruba <peter.oruba@amd.com> Cc: Tigran Aivazian <tigran@aivazian.fsnet.co.uk> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-28x86: code split to two partsPeter Oruba
Split off existing code into two seperate files. One file holds general code, the other file vendor specific parts. No functional changes, only refactoring. Temporarily Introduced a new module name 'ucode' for result, due to already taken name 'microcode'. Signed-off-by: Peter Oruba <peter.oruba@amd.com> Cc: Tigran Aivazian <tigran@aivazian.fsnet.co.uk> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-28x86: move microcode.c to microcode_intel.cPeter Oruba
Signed-off-by: Peter Oruba <peter.oruba@amd.com> Cc: Tigran Aivazian <tigran@aivazian.fsnet.co.uk> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-24x86: split spinlock implementations out into their own filesJeremy Fitzhardinge
ftrace requires certain low-level code, like spinlocks and timestamps, to be compiled without -pg in order to avoid infinite recursion. This patch splits out the core paravirt spinlocks and the Xen spinlocks into separate files which can be compiled without -pg. Also do xen/time.c while we're about it. As a result, we can now use ftrace within a Xen domain. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-22Merge branch 'linus' into x86/x2apicIngo Molnar
2008-07-21Merge branch 'x86/paravirt-spinlocks' into x86/for-linusIngo Molnar
2008-07-18Merge branch 'x86/uv' into x86/x2apicIngo Molnar
Conflicts: arch/x86/kernel/Makefile Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-18Merge branch 'linus' into x86/x2apicIngo Molnar
2008-07-18x86 BIOS interface for RTC on SGI UVRuss Anderson
Real-time code needs to know the number of cycles per second on SGI UV. The information is provided via a run time BIOS call. This patch provides the linux side of that interface. This is the first of several run time BIOS calls to be defined in uv/bios.h and bios_uv.c. Note that BIOS_CALL() is just a stub for now. The bios side is being worked on. Signed-off-by: Russ Anderson <rja@sgi.com> Cc: Jack Steiner <steiner@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-18Merge branch 'linus' into x86/paravirt-spinlocksIngo Molnar
Conflicts: arch/x86/kernel/Makefile Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-17ftrace: fix merge bugletIngo Molnar
-tip testing found a bootup hang here: initcall anon_inode_init+0x0/0x130 returned 0 after 0 msecs calling acpi_event_init+0x0/0x57 the bootup should have continued with: initcall acpi_event_init+0x0/0x57 returned 0 after 45 msecs but it hung hard there instead. bisection led to this commit: | commit 5806b81ac1c0c52665b91723fd4146a4f86e386b | Merge: d14c8a6... 6712e29... | Author: Ingo Molnar <mingo@elte.hu> | Date: Mon Jul 14 16:11:52 2008 +0200 | Merge branch 'auto-ftrace-next' into tracing/for-linus turns out that i made this mistake in the merge: ifdef CONFIG_FTRACE # Do not profile debug utilities CFLAGS_REMOVE_tsc_64.o = -pg CFLAGS_REMOVE_tsc_32.o = -pg those two files got unified meanwhile - so the dont-profile annotation got lost. The proper rule is: CFLAGS_REMOVE_tsc.o = -pg i guess this could have been caught sooner if the CFLAGS_REMOVE* kbuild rule aborted the build if it met a target that does not exist anymore? Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-16x86, paravirt-spinlocks: fix boot hangIngo Molnar
the paravirt-spinlock patches caused a boot hang with this config: http://redhat.com/~mingo/misc/config-Wed_Jul__9_14_47_04_CEST_2008.bad i have bisected it down to: | commit e17b58c2e85bc2ad2afc07fb8d898017c2b75ed1 | Author: Jeremy Fitzhardinge <jeremy@goop.org> | Date: Mon Jul 7 12:07:53 2008 -0700 | | xen: implement Xen-specific spinlocks i.e. applying that patch alone causes the hang. The hang happens in the ftrace self-test: initcall utsname_sysctl_init+0x0/0x19 returned 0 after 0 msecs calling init_sched_switch_trace+0x0/0x4c Testing tracer sched_switch: PASSED initcall init_sched_switch_trace+0x0/0x4c returned 0 after 167 msecs calling init_function_trace+0x0/0x12 Testing tracer ftrace: [hard hang] it should have continued like this: Testing tracer ftrace: PASSED initcall init_function_trace+0x0/0x12 returned 0 after 198 msecs calling init_irqsoff_tracer+0x0/0x14 Testing tracer irqsoff: PASSED initcall init_irqsoff_tracer+0x0/0x14 returned 0 after 3 msecs calling init_mmio_trace+0x0/0x12 initcall init_mmio_trace+0x0/0x12 returned 0 after 0 msecs the problem is that such lowlevel primitives as spinlocks should never be built with -pg (which ftrace does). Marking paravirt.o as non-pg and marking all spinlock ops as always-inline solve the hang. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-14Merge branch 'auto-ftrace-next' into tracing/for-linusIngo Molnar
Conflicts: arch/x86/kernel/entry_32.S arch/x86/kernel/process_32.c arch/x86/kernel/process_64.c arch/x86/lib/Makefile include/asm-x86/irqflags.h kernel/Makefile kernel/sched.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-12x64, x2apic/intr-remap: support for x2apic physical mode supportSuresh Siddha
x2apic Physical mode support. By default we will use x2apic cluster mode. x2apic physical mode can be selected using "x2apic_phys" boot parameter. Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Cc: akpm@linux-foundation.org Cc: arjan@linux.intel.com Cc: andi@firstfloor.org Cc: ebiederm@xmission.com Cc: jbarnes@virtuousgeek.org Cc: steiner@sgi.com Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-12x64, x2apic/intr-remap: x2apic cluster mode supportSuresh Siddha
x2apic cluster mode support. Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Cc: akpm@linux-foundation.org Cc: arjan@linux.intel.com Cc: andi@firstfloor.org Cc: ebiederm@xmission.com Cc: jbarnes@virtuousgeek.org Cc: steiner@sgi.com Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-11Merge branch 'x86/generalize-visws' into x86/coreIngo Molnar
2008-07-11x86: fix tsc unification buglet with ftrace and stackprotectorIngo Molnar
Yinghai Lu reported crashes on 64-bit x86: BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 IP: [<ffffffff80253b17>] hrtick_start_fair+0x89/0x173 [...] And with a long session of debugging and a lot of difficulty, tracked it down to this commit: ---------------> 8fbbc4b45ce3e4c0eeb15004c79c72b6896a79c2 is first bad commit commit 8fbbc4b45ce3e4c0eeb15004c79c72b6896a79c2 Author: Alok Kataria <akataria@vmware.com> Date: Tue Jul 1 11:43:34 2008 -0700 x86: merge tsc_init and clocksource code <-------------- The problem is that the TSC unification missed these Makefile rules in arch/x86/kernel/Makefile: # Do not profile debug and lowlevel utilities CFLAGS_REMOVE_tsc_64.o = -pg CFLAGS_REMOVE_tsc_32.o = -pg ... CFLAGS_tsc_64.o := $(nostackp) ... which rules make sure that various instrumentation and debugging facilities are disabled for code that might end up in a VDSO - such as the TSC code. Reported-and-bisected-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Conflicts: Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-10x86, VisWS: turn into generic arch, clean upIngo Molnar
merge traps_visws.c and apic_visws.c into visws_quirks.c. (no code changed) Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-10x86, VisWS: turn into generic arch, clean upIngo Molnar
rename setup_visws.c to visws_quirks.c. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-10x86, VisWS: turn into generic arch, flip over VISWS to generic archIngo Molnar
this is the big move: flip over VISWS to generic arch support. From this commit on CONFIG_X86_VISWS is just another (default-disabled) option that turns on certain quirks - no other complications. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-09x86: merge tsc_init and clocksource codeAlok Kataria
Unify the clocksource code. Unify the tsc_init code. Signed-off-by: Alok N Kataria <akataria@vmware.com> Signed-off-by: Dan Hecht <dhecht@vmware.com> Cc: Dan Hecht <dhecht@vmware.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-09x86: merge sched_clock handlingAlok Kataria
Move the basic global variable definitions and sched_clock handling in the common "tsc.c" file. - Unify notsc kernel command line handling for 32 bit and 64bit. - Functional changes for 64bit. - "tsc_disabled" is updated if "notsc" is passed at boottime. - Fallback to jiffies for sched_clock, incase notsc is passed on commandline. Signed-off-by: Alok N Kataria <akataria@vmware.com> Signed-off-by: Dan Hecht <dhecht@vmware.com> Cc: Dan Hecht <dhecht@vmware.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-08x86: remove acpi_srat config v2Yinghai Lu
use ACPI_NUMA directly and move srat_32.c to mm/ Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-08x86: rename setup_32.c to setup.cYinghai Lu
and let 64 bit use that instead of setup_64.c [ mingo@elte.hu ] x86: build fix fix: arch/x86/kernel/setup.c: In function ‘setup_arch': arch/x86/kernel/setup.c:561: error: implicit declaration of function ‘efi_reserve_early' and: arch/x86/kernel/setup.c:766: error: implicit declaration of function 'init_cpu_to_node' and: arch/x86/kernel/setup.c:676: warning: operation on 'max_pfn_mapped' may be undefined Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-08x86: rename setup.c to setup_percpu.cYinghai Lu
some functions need to be moved to setup_numa.c after we merge setup32/64.c, some funcs need to be moved back to setup.c Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-08x86: merge setup64.c into common_64.cYinghai Lu
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-08x86: seperate probe_roms into another fileYinghai Lu
it is only needed for 32bit Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-08Merge branch 'x86/uv' into x86/develIngo Molnar
2008-07-08x86, SGI UV: TLB shootdown using broadcast assist unitCliff Wickman
TLB shootdown for SGI UV. Depends on patch (in tip/x86/irq): x86-update-macros-used-by-uv-platform.patch Jack Steiner May 29 This patch provides the ability to flush TLB's in cpu's that are not on the local node. The hardware mechanism for distributing the flush messages is the UV's "broadcast assist unit". The hook to intercept TLB shootdown requests is a 2-line change to native_flush_tlb_others() (arch/x86/kernel/tlb_64.c). This code has been tested on a hardware simulator. The real hardware is not yet available. The shootdown statistics are provided through /proc/sgi_uv/ptc_statistics. The use of /sys was considered, but would have required the use of many /sys files. The debugfs was also considered, but these statistics should be available on an ongoing basis, not just for debugging. Issues to be fixed later: - The IRQ for the messaging interrupt is currently hardcoded as 200 (see UV_BAU_MESSAGE). It should be dynamically assigned in the future. - The use of appropriate udelay()'s is untested, as they are a problem in the simulator. Signed-off-by: Cliff Wickman <cpw@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-08Merge branch 'x86/nmi' into x86/develIngo Molnar
Conflicts: arch/x86/kernel/nmi.c arch/x86/kernel/nmi_32.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-08Merge branch 'x86/mpparse' into x86/develIngo Molnar
Conflicts: arch/x86/Kconfig arch/x86/kernel/io_apic_32.c arch/x86/kernel/setup_64.c arch/x86/mm/init_32.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-08x86: merge setup_memory_map with e820Yinghai Lu
... and kill e820_32/64.c and e820_32/64.h Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-08Merge branch 'linus' into tmp.x86.mpparse.newIngo Molnar
2008-07-08Merge branches 'x86/mmio', 'x86/delay', 'x86/idle', 'x86/oprofile', ↵Ingo Molnar
'x86/debug', 'x86/ptrace' and 'x86/amd-iommu' into x86/devel
2008-07-08Merge branches 'x86/numa-fixes', 'x86/apic', 'x86/apm', 'x86/bitops', ↵Ingo Molnar
'x86/build', 'x86/cleanups', 'x86/cpa', 'x86/cpu', 'x86/defconfig', 'x86/gart', 'x86/i8259', 'x86/intel', 'x86/irqstats', 'x86/kconfig', 'x86/ldt', 'x86/mce', 'x86/memtest', 'x86/pat', 'x86/ptemask', 'x86/resumetrace', 'x86/threadinfo', 'x86/timers', 'x86/vdso' and 'x86/xen' into x86/devel
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