Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity
kernel-fxtec-pro1x/arch/x86/kernel
History
Yinghai Lu b7f42ab2e2 x86, apic: Move dmar_table_init() out of enable_IR() 
On an x2apic system, we got:

[    1.818072] ------------[ cut here ]------------
[    1.820376] WARNING: at kernel/lockdep.c:2461 lockdep_trace_alloc+0xa5/0xe9()
[    1.835282] Hardware name: ASSY,
[    1.839006] Modules linked in:
[    1.841253] Pid: 1, comm: swapper Not tainted 2.6.31-rc5-tip-03926-g39aaa80-dirty #510
[    1.858056] Call Trace:
[    1.859913]  [<ffffffff810d13aa>] ? lockdep_trace_alloc+0xa5/0xe9
[    1.876270]  [<ffffffff81093f37>] warn_slowpath_common+0x8d/0xd0
[    1.879132]  [<ffffffff81093fa1>] warn_slowpath_null+0x27/0x3d
[    1.896823]  [<ffffffff810d13aa>] lockdep_trace_alloc+0xa5/0xe9
[    1.900659]  [<ffffffff810cf5a0>] ? lock_release_holdtime+0x2f/0x199
[    1.917188]  [<ffffffff81167a3c>] kmem_cache_alloc_notrace+0x42/0x111
[    1.922320]  [<ffffffff8106fe8c>] ? reserve_memtype+0x152/0x518
[    1.938137]  [<ffffffff8106f8b1>] ? pat_pagerange_is_ram+0x4a/0x91
[    1.941730]  [<ffffffff8106fe8c>] reserve_memtype+0x152/0x518
[    1.958115]  [<ffffffff8106ce62>] __ioremap_caller+0x1dd/0x30f
[    1.975507]  [<ffffffff81ce2c5c>] ? acpi_os_map_memory+0x2a/0x47
[    1.978987]  [<ffffffff8106d0fd>] ioremap_nocache+0x2a/0x40
[    2.031400]  [<ffffffff810d0364>] ? trace_hardirqs_off+0x20/0x36
[    2.036096]  [<ffffffff81ce2c5c>] acpi_os_map_memory+0x2a/0x47
[    2.046263]  [<ffffffff815cd642>] acpi_tb_verify_table+0x3d/0x85
[    2.050349]  [<ffffffff81d34af7>] ? _spin_unlock_irqrestore+0x50/0x76
[    2.067327]  [<ffffffff815ccad6>] acpi_get_table_with_size+0x64/0xd9
[    2.070860]  [<ffffffff81d34af7>] ? _spin_unlock_irqrestore+0x50/0x76
[    2.088000]  [<ffffffff825c88d5>] dmar_table_detect+0x33/0x70
[    2.092047]  [<ffffffff825c8a01>] dmar_table_init+0x43/0x428
[    2.106854]  [<ffffffff825a7537>] enable_IR+0x1c/0x8d
[    2.110256]  [<ffffffff825a7624>] enable_IR_x2apic+0x7c/0x19e
[    2.127139]  [<ffffffff825a4876>] native_smp_prepare_cpus+0x139/0x3b8
[    2.145175]  [<ffffffff8259678d>] kernel_init+0x71/0x1da
[    2.148913]  [<ffffffff8104305a>] child_rip+0xa/0x20
[    2.152349]  [<ffffffff810429fc>] ? restore_args+0x0/0x30
[    2.167931]  [<ffffffff8259671c>] ? kernel_init+0x0/0x1da
[    2.171671]  [<ffffffff81043050>] ? child_rip+0x0/0x20
[    2.187607] ---[ end trace a7919e7f17c0a725 ]---

Venkatesh Pallipadi said:

| Looks like the problem started with this commit
|
| commit ce69a78450
| Author: Gleb Natapov <gleb@redhat.com>
| Date:   Mon Jul 20 15:24:17 2009 +0300
|
| x86/apic: Enable x2APIC without interrupt remapping under KVM
|
| Before this commit, dmar_table_init() was getting called
| with interrupts enabled and after this commit, it is getting
| called with interrupts disabled.

so try to move out dmar_table_init out of that function.

Analyzed-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Gleb Natapov <gleb@redhat.com>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: "Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com>
LKML-Reference: <4A899F3C.2050104@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-08-17 20:22:56 +02:00
..
acpi x86/acpi: acpi_parse_madt_ioapic_entries: remove redundant braces 2009-07-14 13:32:48 -07:00
apic x86, apic: Move dmar_table_init() out of enable_IR() 2009-08-17 20:22:56 +02:00
cpu Merge branch 'perfcounters-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-07-10 14:25:03 -07:00
.gitignore
alternative.c
amd_iommu.c x86: Mark device_nb as static and fix NULL noise 2009-07-01 16:52:53 +02:00
amd_iommu_init.c amd-iommu: set evt_buf_size correctly 2009-07-02 18:32:05 +02:00
aperture_64.c
apm_32.c PM core: rename suspend and resume functions 2009-06-12 21:32:31 +02:00
asm-offsets.c
asm-offsets_32.c lguest: optimize by coding restore_flags and irq_enable in assembler. 2009-06-12 22:27:03 +09:30
asm-offsets_64.c x86, boot: make kernel_alignment adjustable; new bzImage fields 2009-05-11 17:44:39 -07:00
audit_64.c
bios_uv.c x86, UV: system table in bios accessed after unmap 2009-04-03 19:25:57 +02:00
bootflag.c
check.c
cpuid.c Driver Core: x86: add nodename for cpuid and msr drivers. 2009-06-15 21:30:25 -07:00
crash.c x86: disable IOMMUs on kernel crash 2009-06-15 15:20:40 +02:00
crash_dump_32.c
crash_dump_64.c
doublefault_32.c
ds.c x86, ds: support Core i7 2009-04-07 13:36:36 +02:00
ds_selftest.c x86, ds: fix buffer alignment in debug store selftest 2009-04-24 10:18:51 +02:00
ds_selftest.h
dumpstack.c x86: Add sysctl to allow panic on IOCK NMI error 2009-06-25 22:06:11 +02:00
dumpstack.h x86: avoid multiple declaration of kstack_depth_to_print 2009-04-14 11:45:33 +02:00
dumpstack_32.c perf_counter: Ignore the nmi call frames in the x86-64 backtraces 2009-07-01 22:37:23 +02:00
dumpstack_64.c perf_counter: Ignore the nmi call frames in the x86-64 backtraces 2009-07-01 22:37:23 +02:00
e820.c Remove multiple KERN_ prefixes from printk formats 2009-07-08 10:30:03 -07:00
early-quirks.c x86 early quirks: eliminate unused function 2009-04-08 14:16:32 +02:00
early_printk.c
efi.c x86: correct the conversion of EFI memory types 2009-06-16 17:47:32 -07:00
efi_32.c
efi_64.c Merge branch 'core/percpu' into percpu-cpumask-x86-for-linus-2 2009-03-27 17:28:43 +01:00
efi_stub_32.S
efi_stub_64.S
entry_32.S Merge branch 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-06-20 10:56:46 -07:00
entry_64.S function-graph: add stack frame test 2009-06-18 18:40:18 -04:00
ftrace.c function-graph: add stack frame test 2009-06-18 18:40:18 -04:00
geode_32.c
head.c
head32.c
head64.c
head_32.S x86: de-assembler-ize asm/desc.h 2009-06-17 21:35:10 -07:00
head_64.S x86: de-assembler-ize asm/desc.h 2009-06-17 21:35:10 -07:00
hpet.c x86: hpet: Mark per cpu interrupts IRQF_TIMER to prevent resume failure 2009-06-14 18:24:29 +02:00
i386_ksyms_32.c
i387.c
i8237.c
i8253.c time: move PIT_TICK_RATE to linux/timex.h 2009-06-16 19:47:27 -07:00
i8259.c
init_task.c mm: consolidate init_mm definition 2009-06-16 19:47:28 -07:00
io_delay.c x86: io_delay.c cleanup 2009-03-21 16:57:04 +05:30
ioport.c
irq.c Merge branch 'linus' into x86/mce3 2009-06-11 23:31:52 +02:00
irq_32.c
irq_64.c
irqinit.c Merge branch 'linus' into x86/mce3 2009-06-11 23:31:52 +02:00
k8.c
kdebugfs.c x86: kdebugfs.c cleanup 2009-03-21 16:55:45 +05:30
kgdb.c Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-06-10 15:49:10 -07:00
kprobes.c Merge branch 'tracing/core-v2' into tracing-for-linus 2009-04-02 00:49:02 +02:00
kvm.c x86, kvm: Fix section mismatches in kvm.c 2009-07-03 14:34:22 +02:00
kvmclock.c clocksource: pass clocksource to read() callback 2009-04-21 13:41:47 -07:00
ldt.c
machine_kexec_32.c x86, kexec: fix crashdump panic with CONFIG_KEXEC_JUMP 2009-05-07 22:01:05 -07:00
machine_kexec_64.c x86, kexec: fix crashdump panic with CONFIG_KEXEC_JUMP 2009-05-07 22:01:05 -07:00
Makefile gcov: exclude code operating in userspace from profiling 2009-07-06 13:57:03 -07:00
mca_32.c
mfgpt_32.c cpumask: remove references to struct irqaction's mask field. 2009-03-30 22:05:14 +10:30
microcode_amd.c x86, microcode: Simplify vfree() use 2009-06-07 16:35:11 +02:00
microcode_core.c Driver Core: misc: add nodename support for misc devices. 2009-06-15 21:30:25 -07:00
microcode_intel.c x86: microcode: use smp_call_function_single instead of set_cpus_allowed, cleanup of synchronization logic 2009-05-12 10:36:44 +02:00
mmconf-fam10h_64.c
module.c module: cleanup FIXME comments about trimming exception table entries. 2009-06-12 21:47:05 +09:30
mpparse.c x86, irq: don't call mp_config_acpi_gsi() if update_mptable is not enabled 2009-05-18 09:33:29 +02:00
msr.c Driver Core: x86: add nodename for cpuid and msr drivers. 2009-06-15 21:30:25 -07:00
olpc.c
paravirt-spinlocks.c
paravirt.c Merge branch 'x86-xen-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-06-10 16:16:27 -07:00
paravirt_patch_32.c
paravirt_patch_64.c
pci-calgary_64.c x86: calgary: remove IOMMU_DEBUG 2009-04-14 13:03:36 +02:00
pci-dma.c intel-iommu: Make iommu=pt work on i386 too 2009-07-01 18:56:16 +01:00
pci-gart_64.c Remove multiple KERN_ prefixes from printk formats 2009-07-08 10:30:03 -07:00
pci-nommu.c dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32) 2009-04-07 08:31:11 -07:00
pci-swiotlb.c Merge git://git.infradead.org/~dwmw2/iommu-2.6.31 2009-06-22 21:38:22 -07:00
pcspeaker.c
pmtimer_64.c
probe_roms_32.c
process.c kmemcheck: add mm functions 2009-06-15 12:40:03 +02:00
process_32.c Merge branch 'tracing-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-06-10 19:53:40 -07:00
process_64.c Merge branch 'tracing-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-06-10 19:53:40 -07:00
ptrace.c x86, bts, mm: clean up buffer allocation 2009-04-24 10:18:52 +02:00
pvclock.c
quirks.c Merge branch 'linus' into x86/cpu 2009-06-07 12:22:15 +02:00
reboot.c x86: Add quirk for reboot stalls on a Dell Optiplex 360 2009-06-07 15:51:20 +02:00
reboot_fixups_32.c
relocate_kernel_32.S
relocate_kernel_64.S
rtc.c x86: rtc.c cleanup 2009-03-21 16:56:37 +05:30
scx200_32.c
setup.c x86: Move init_gbpages() to setup_arch() 2009-06-23 10:33:32 +02:00
setup_percpu.c x86: ensure percpu lpage doesn't consume too much vmalloc space 2009-06-22 11:56:24 +09:00
signal.c Merge branch 'linus' into x86/mce3 2009-06-11 23:31:52 +02:00
smp.c Merge branch 'linus' into x86/mce3 2009-06-11 23:31:52 +02:00
smpboot.c x86: make zap_low_mapping could be used early 2009-06-12 13:50:24 +03:00
stacktrace.c x86: add save_stack_trace_bp() for tracing from a specific stack frame 2009-06-12 23:01:05 +02:00
step.c
sys_i386_32.c
sys_x86_64.c
syscall_64.c
syscall_table_32.S Merge branch 'core/signal' into perfcounters/core 2009-04-30 21:16:49 +02:00
tce_64.c
test_nx.c
test_rodata.c
time_32.c
time_64.c cpumask: remove references to struct irqaction's mask field. 2009-03-30 22:05:14 +10:30
tlb_uv.c x86: Fix uv bau sending buffer initialization 2009-06-24 17:33:58 +02:00
tls.c
tls.h
topology.c x86: topology.c cleanup 2009-03-21 16:55:24 +05:30
trampoline.c
trampoline_32.S
trampoline_64.S
traps.c x86: Add sysctl to allow panic on IOCK NMI error 2009-06-25 22:06:11 +02:00
tsc.c Merge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-06-20 10:57:40 -07:00
tsc_sync.c x86: clean up arch/x86/kernel/tsc_sync.c a bit 2009-05-07 09:32:10 +02:00
uv_irq.c
uv_sysfs.c x86: prevent /sys/firmware/sgi_uv from being created on non-uv systems 2009-04-08 14:58:10 +02:00
uv_time.c uv_time: add parameter to uv_read_rtc() 2009-04-22 17:41:25 +02:00
verify_cpu_64.S
visws_quirks.c
vm86_32.c Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-06-10 16:15:14 -07:00
vmi_32.c Merge commit 'origin/master' into for-linus/xen/master 2009-04-07 13:34:16 -07:00
vmiclock_32.c clocksource: pass clocksource to read() callback 2009-04-21 13:41:47 -07:00
vmlinux.lds.S x86: Provide _sdata in the vmlinux.lds.S file 2009-06-12 09:21:33 +02:00
vsmp_64.c Revert "x86: don't compile vsmp_64 for 32bit" 2009-03-25 21:34:28 +01:00
vsyscall_64.c x86: move rdtsc_barrier() into the TSC vread method 2009-05-28 14:15:54 +02:00
x8664_ksyms_64.c
xsave.c x86-64: fix FPU corruption with signals and preemption 2009-04-20 14:33:00 -07:00