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* x86, apic: separate 32-bit setup functionality out of apic_32.cIngo Molnar2009-02-171-1/+1
| | | | | | | | | | | Impact: build fix, cleanup A couple of arch setup callbacks were mistakenly in apic_32.c, breaking the build. Also simplify the code a bit. Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, apic: move remaining APIC drivers to arch/x86/kernel/apic/*Ingo Molnar2009-02-171-5/+1
| | | | | | | Move the 32-bit extended-arch APIC drivers to arch/x86/kernel/apic/ too, and rename apic_64.c to probe_64.c. Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, apic: move APIC drivers to arch/x86/kernel/apic/*Ingo Molnar2009-02-171-16/+11
| | | | | | | | | | | | | arch/x86/kernel/ is getting a bit crowded, and the APIC drivers are scattered into various different files. Move them to arch/x86/kernel/apic/*, and also remove the 'gen' prefix from those which had it. Also move APIC related functionality: the IO-APIC driver, the NMI and the IPI code. Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: add x2apic configYinghai Lu2009-02-171-2/+2
| | | | | | | | | | | Impact: cleanup so could deselect x2apic and INTR_REMAP will select x2apic Signed-off-by: Yinghai Lu <yinghai@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86/Voyager: remove X86_BIOS_REBOOT Kconfig quirkIngo Molnar2009-01-291-1/+1
| | | | | | | | | | | | | | Voyager has this Kconfig quirk: config X86_BIOS_REBOOT bool depends on !X86_VOYAGER default y Voyager should use the existing machine_ops.emergency_restart reboot quirk mechanism instead of a build-time quirk. Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: replace CONFIG_X86_SMP with CONFIG_SMPIngo Molnar2009-01-291-2/+2
| | | | | | | | | | | | | | | | | The x86/Voyager subarch used to have this distinction between 'x86 SMP support' and 'Voyager SMP support': config X86_SMP bool depends on SMP && ((X86_32 && !X86_VOYAGER) || X86_64) This is a pointless distinction - Voyager can (and already does) use smp_ops to implement various SMP quirks it has - and it can be extended more to cover all the specialities of Voyager. So remove this complication in the Kconfig space. Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: remove subarchitecture supportIngo Molnar2009-01-291-1/+1
| | | | | | | | | Remove the 32-bit subarchitecture support code. All subarchitectures but Voyager have been converted. Voyager will be done later or will be removed. Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: remove subarchitecture support codeIngo Molnar2009-01-291-1/+1
| | | | | | | | Remove remaining bits of the subarchitecture code. Now that all the special platforms are runtime probed and runtime handled, we can remove these facilities. Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, bigsmp: consolidate codeIngo Molnar2009-01-291-0/+1
| | | | | | | | Move all code to arch/x86/kernel/bigsmp_32.c. With this it ceases to rely on any build-time subarch features. Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, summit: consolidate code, fixIngo Molnar2009-01-291-1/+1
| | | | | | Build fix for !NUMA Summit. Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: initialize per-cpu GDT segment in per-cpu setupBrian Gerst2009-01-271-2/+1
| | | | | | | | | | Impact: cleanup Rename init_gdt() to setup_percpu_segment(), and move it to setup_percpu.c. Signed-off-by: Brian Gerst <brgerst@gmail.com> Signed-off-by: Tejun Heo <tj@kernel.org>
* x86: only compile setup_percpu.o on SMPBrian Gerst2009-01-271-1/+2
| | | | | | | Impact: Minor build optimization Signed-off-by: Brian Gerst <brgerst@gmail.com> Signed-off-by: Tejun Heo <tj@kernel.org>
* x86: make UV support configurableNick Piggin2009-01-211-2/+3
| | | | | | | | | | | | Make X86 SGI Ultraviolet support configurable. Saves about 13K of text size on my modest config. text data bss dec hex filename 6770537 1158680 694356 8623573 8395d5 vmlinux 6757492 1157664 694228 8609384 835e68 vmlinux.nouv Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, mm: move tlb.c to arch/x86/mm/Ingo Molnar2009-01-211-1/+1
| | | | | | | | | Impact: cleanup Now that it's unified, move the (SMP) TLB flushing code from arch/x86/kernel/ to arch/x86/mm/, where it belongs logically. Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: rename tlb_64.c to tlb.cTejun Heo2009-01-211-1/+1
| | | | | | | | Impact: file rename tlb_64.c is now the tlb code for both 32 and 64. Rename it to tlb.c. Signed-off-by: Tejun Heo <tj@kernel.org>
* x86: make x86_32 use tlb_64.cTejun Heo2009-01-211-1/+1
| | | | | | | | | | | | | | | Impact: less contention when issuing invalidate IPI, cleanup Make x86_32 use the same tlb code as 64bit. The 64bit code uses multiple IPI vectors for tlb shootdown to reduce contention. This patch makes x86_32 allocate the same 8 IPIs as x86_64 and share the code paths. Note that the usage of asmlinkage is inconsistent for x86_32 and 64 and calls for further cleanup. This has been noted with a FIXME comment in tlb_64.c. Signed-off-by: Tejun Heo <tj@kernel.org>
* Merge branch 'linus' into stackprotectorIngo Molnar2008-12-311-9/+15
|\ | | | | | | | | | | Conflicts: arch/x86/include/asm/pda.h kernel/fork.c
| * Merge branch 'core-for-linus' of ↵Linus Torvalds2008-12-301-1/+2
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (63 commits) stacktrace: provide save_stack_trace_tsk() weak alias rcu: provide RCU options on non-preempt architectures too printk: fix discarding message when recursion_bug futex: clean up futex_(un)lock_pi fault handling "Tree RCU": scalable classic RCU implementation futex: rename field in futex_q to clarify single waiter semantics x86/swiotlb: add default swiotlb_arch_range_needs_mapping x86/swiotlb: add default phys<->bus conversion x86: unify pci iommu setup and allow swiotlb to compile for 32 bit x86: add swiotlb allocation functions swiotlb: consolidate swiotlb info message printing swiotlb: support bouncing of HighMem pages swiotlb: factor out copy to/from device swiotlb: add arch hook to force mapping swiotlb: allow architectures to override phys<->bus<->phys conversions swiotlb: add comment where we handle the overflow of a dma mask on 32 bit rcu: fix rcutorture behavior during reboot resources: skip sanity check of busy resources swiotlb: move some definitions to header swiotlb: allow architectures to override swiotlb pool allocation ... Fix up trivial conflicts in arch/x86/kernel/Makefile arch/x86/mm/init_32.c include/linux/hardirq.h as per Ingo's suggestions.
| | * x86: unify pci iommu setup and allow swiotlb to compile for 32 bitJeremy Fitzhardinge2008-12-171-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | swiotlb on 32 bit will be used by Xen domain 0 support. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | Merge branch 'tracing-core-for-linus' of ↵Linus Torvalds2008-12-281-0/+1
| |\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'tracing-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (241 commits) sched, trace: update trace_sched_wakeup() tracing/ftrace: don't trace on early stage of a secondary cpu boot, v3 Revert "x86: disable X86_PTRACE_BTS" ring-buffer: prevent false positive warning ring-buffer: fix dangling commit race ftrace: enable format arguments checking x86, bts: memory accounting x86, bts: add fork and exit handling ftrace: introduce tracing_reset_online_cpus() helper tracing: fix warnings in kernel/trace/trace_sched_switch.c tracing: fix warning in kernel/trace/trace.c tracing/ring-buffer: remove unused ring_buffer size trace: fix task state printout ftrace: add not to regex on filtering functions trace: better use of stack_trace_enabled for boot up code trace: add a way to enable or disable the stack tracer x86: entry_64 - introduce FTRACE_ frame macro v2 tracing/ftrace: add the printk-msg-only option tracing/ftrace: use preempt_enable_no_resched_notrace in ring_buffer_time_stamp() x86, bts: correctly report invalid bts records ... Fixed up trivial conflict in scripts/recordmcount.pl due to SH bits being already partly merged by the SH merge.
| | * | tracing/function-graph-tracer: introduce __notrace_funcgraph to filter ↵Frederic Weisbecker2008-12-081-6/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | special functions Impact: trace more functions When the function graph tracer is configured, three more files are not traced to prevent only four functions to be traced. And this impacts the normal function tracer too. arch/x86/kernel/process_64/32.c: I had crashes when I let this file traced. After some debugging, I saw that the "current" task point was changed inside__swtich_to(), ie: "write_pda(pcurrent, next_p);" inside process_64.c Since the tracer store the original return address of the function inside current, we had crashes. Only __switch_to() has to be excluded from tracing. kernel/module.c and kernel/extable.c: Because of a function used internally by the function graph tracer: __kernel_text_address() To let the other functions inside these files to be traced, this patch introduces the __notrace_funcgraph function prefix which is __notrace if function graph tracer is configured and nothing if not. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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| | *-. \ Merge commit 'v2.6.28-rc7'; branch 'x86/dumpstack' into tracing/ftraceIngo Molnar2008-12-031-1/+1
| | |\ \ \ | | | | |/ | | | |/| | | | | | | | | | | | | | | | | | | | | Merge x86/dumpstack into tracing/ftrace because upcoming ftrace changes depend on cleanups already in x86/dumpstack. Also merge to latest upstream -rc.
| | * | | tracing/function-graph-tracer: support for x86-64Frederic Weisbecker2008-12-021-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: extend and enable the function graph tracer to 64-bit x86 This patch implements the support for function graph tracer under x86-64. Both static and dynamic tracing are supported. This causes some small CPP conditional asm on arch/x86/kernel/ftrace.c I wanted to use probe_kernel_read/write to make the return address saving/patching code more generic but it causes tracing recursion. That would be perhaps useful to implement a notrace version of these function for other archs ports. Note that arch/x86/process_64.c is not traced, as in X86-32. I first thought __switch_to() was responsible of crashes during tracing because I believed current task were changed inside but that's actually not the case (actually yes, but not the "current" pointer). So I will have to investigate to find the functions that harm here, to enable tracing of the other functions inside (but there is no issue at this time, while process_64.c stays out of -pg flags). A little possible race condition is fixed inside this patch too. When the tracer allocate a return stack dynamically, the current depth is not initialized before but after. An interrupt could occur at this time and, after seeing that the return stack is allocated, the tracer could try to trace it with a random uninitialized depth. It's a prevention, even if I hadn't problems with it. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Tim Bird <tim.bird@am.sony.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| | * | | tracing/function-return-tracer: change the name into function-graph-tracerFrederic Weisbecker2008-11-261-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup This patch changes the name of the "return function tracer" into function-graph-tracer which is a more suitable name for a tracing which makes one able to retrieve the ordered call stack during the code flow. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Acked-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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| | *-. \ \ Merge branches 'tracing/core', 'x86/urgent' and 'x86/ptrace' into ↵Ingo Molnar2008-11-251-1/+1
| | |\ \ \ \ | | | | |/ / | | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | tracing/hw-branch-tracing This pulls together all the topic branches that are needed for the DS/BTS/PEBS tracing work.
| | * | | | tracing, x86: add low level support for ftrace return tracingFrederic Weisbecker2008-11-111-0/+6
| | | |/ / | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: add infrastructure for function-return tracing Add low level support for ftrace return tracing. This plug-in stores return addresses on the thread_info structure of the current task. The index of the current return address is initialized when the task is the first one (init) and when a process forks (the child). It is not needed when a task does a sys_execve because after this syscall, it still needs to return on the kernel functions it called. Note that the code of return_to_handler has been suggested by Steven Rostedt as almost all of the ideas of improvements in this V3. For purpose of security, arch/x86/kernel/process_32.c is not traced because __switch_to() changes the current task during its execution. That could cause inconsistency in the stored return address of this function even if I didn't have any crash after testing with tracing on this function enabled. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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| *---------. \ \ \ Merge branches 'x86/apic', 'x86/cleanups', 'x86/cpufeature', ↵Ingo Molnar2008-12-231-2/+5
| |\ \ \ \ \ \ \ \ \ | | | |_|_|_|_|/ / / | | |/| | | | | / / | | |_|_|_|_|_|/ / | |/| | | | | | / | | | | | |_|_|/ | | | | |/| | | '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
| | | | | | | * x86: signal: unify signal_{32|64}.cHiroshi Shimamoto2008-11-261-1/+1
| | | | | | |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup Unify signal_{32|64}.c! Mechanic unification - the two files are the same. Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| | | | | * | Merge branch 'linus' into x86/memory-corruption-checkIngo Molnar2008-11-201-1/+2
| | | | | |\ \ | | | |_|_|/ / | | |/| | | |
| | | | | * | x86: corruption-check: some post-move cleanupsArjan van de Ven2008-10-271-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup now that the code is moved and converted to a work queue, there's some minor cleanups that can be done. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| | | | | * | x86: corruption check: move the corruption checks into their own fileArjan van de Ven2008-10-271-0/+1
| | | | | |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup The corruption check code is rather sizable and it's likely to grow over time when we add checks for more types of corruptions (there's a few candidates in kerneloops.org that I want to add checks for)... so lets move it to its own file Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| | | | * | x86: unify appropriate bits from dumpstack_32 and dumpstack_64Neil Horman2008-10-271-1/+1
| | | | |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup As promised, now that dumpstack_32 and dumpstack_64 have so many bits in common, we should merge the in-sync bits into a common file, to prevent them from diverging again. This patch removes bits which are common between dumpstack_32.c and dumpstack_64.c and places them in a common dumpstack.c which is built for both 32 and 64 bit arches. Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Acked-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu> Makefile | 2 arch/x86/kernel/Makefile | 2 arch/x86/kernel/Makefile | 2 arch/x86/kernel/Makefile | 2 arch/x86/kernel/Makefile | 2 arch/x86/kernel/Makefile | 2 arch/x86/kernel/dumpstack.c | 319 +++++++++++++++++++++++++++++++++++++++++ arch/x86/kernel/dumpstack.h | 39 +++++ arch/x86/kernel/dumpstack_32.c | 294 ------------------------------------- arch/x86/kernel/dumpstack_64.c | 285 ------------------------------------ 5 files changed, 363 insertions(+), 576 deletions(-)
| | | * | x86 debug: mark early_printk.o as notraceIngo Molnar2008-11-041-0/+1
| | |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: do not do function-tracing in the early-printk code this is useful when earlyprintk=vga,keep is used to debug tracer plugins. Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | | x86, bts: exclude ds.c from build when disabledMarkus Metzger2008-11-251-1/+1
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup Move the CONFIG guard from the .c file into the makefile. Reported-by: Andi Kleen <andi-suse@firstfloor.org> Signed-off-by: Markus Metzger <markus.t.metzger@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | ftrace, powerpc, sparc64, x86: remove notrace from arch ftrace fileSteven Rostedt2008-10-231-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The entire file of ftrace.c in the arch code needs to be marked as notrace. It is much cleaner to do this from the Makefile with CFLAGS_REMOVE_ftrace.o. [ powerpc already had this in its Makefile. ] Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | Merge branch 'tracing/ftrace' into tracing/urgentIngo Molnar2008-10-221-1/+1
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| | * ftrace: rename FTRACE to FUNCTION_TRACERSteven Rostedt2008-10-201-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Due to confusion between the ftrace infrastructure and the gcc profiling tracer "ftrace", this patch renames the config options from FTRACE to FUNCTION_TRACER. The other two names that are offspring from FTRACE DYNAMIC_FTRACE and FTRACE_MCOUNT_RECORD will stay the same. This patch was generated mostly by script, and partially by hand. Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | x86: unify show_interrupts() and proc helpersThomas Gleixner2008-10-161-1/+1
| | | | | | | | | | | | | | | | | | | | | 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>
| * | x86: Add sysfs entries for UV v4Russ Anderson2008-10-161-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | 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>
| * | x86, UV: add uv_setup_irq() and uv_teardown_irq() functions, v3Dean Nelson2008-10-161-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | 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>
| * | x86: rename apic_32.c and apic_64.c to apic.cYinghai Lu2008-10-161-1/+1
| | | | | | | | | | | | | | | Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | rename io_apic_64.c and io_apic_32.c to io_apic.cYinghai Lu2008-10-161-1/+1
| |/ | | | | | | | | | | | | 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>
* | Merge branch 'linus' into stackprotectorIngo Molnar2008-10-151-14/+31
|\ \ | |/ | | | | | | | | Conflicts: arch/x86/kernel/Makefile include/asm-x86/pda.h
| * traps: x86: finalize unification of traps.cAlexander van Heukelum2008-10-131-1/+1
| | | | | | | | | | | | | | | | 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>
| * x86_64: split out dumpstack code from traps_64.cAlexander van Heukelum2008-10-131-2/+2
| | | | | | | | | | | | | | | | 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>
| * i386: split out dumpstack code from traps_32.cAlexander van Heukelum2008-10-131-1/+1
| | | | | | | | | | | | | | | | 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>
| *-----. Merge branches 'x86/xen', 'x86/build', 'x86/microcode', 'x86/mm-debug-v2', ↵Ingo Molnar2008-10-121-3/+7
| |\ \ \ \ | | | | | | | | | | | | | | | | | | '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
| | | | * | x86: moved microcode.c to microcode_intel.cDmitry Adamushko2008-09-231-3/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
| | | | * | x86: AMD microcode patch loading supportPeter Oruba2008-07-281-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
| | | | * | x86: major refactoringPeter Oruba2008-07-281-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
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