Peter Zijlstra 3d8231988d perf/x86/amd: Rework AMD PMU init code ...

commit 1b45adcd9a upstream.

Josh reported that his QEMU is a bad hardware emulator and trips a
WARN in the AMD PMU init code. He requested the WARN be turned into a
pr_err() or similar.

While there, rework the code a little.

Reported-by: Josh Boyer <jwboyer@redhat.com>
Acked-by: Robert Richter <rric@kernel.org>
Acked-by: Jacob Shin <jacob.shin@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20130521110537.GG26912@twins.programming.kicks-ass.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2015-08-16 20:51:38 -07:00

..

acpi

x86, suspend: Handle CPUs which fail to #GP on RDMSR

2013-08-04 16:50:53 +08:00

apic

x86, apic: Handle a bad TSC more gracefully

2014-11-14 08:48:00 -08:00

cpu

perf/x86/amd: Rework AMD PMU init code

2015-08-16 20:51:38 -07:00

kprobes

ftrace/jprobes/x86: Fix conflict between jprobes and function graph tracing

2015-01-27 07:52:32 -08:00

.gitignore

…

alternative.c

x86, cpu: Expand cpufeature facility to include cpu bugs

2013-04-02 10:12:52 -07:00

amd_gart_64.c

x86, mm: use pfn_range_is_mapped() with gart

2012-11-17 11:59:10 -08:00

amd_nb.c

x86, amd_nb: Clarify F15h, model 30h GART and L3 support

2013-09-26 17:18:14 -07:00

apb_timer.c

Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2013-02-19 20:11:07 -08:00

aperture_64.c

x86/mm/gart: Drop unnecessary check

2013-04-16 10:54:40 +02:00

apm_32.c

cpuidle: remove en_core_tk_irqen flag

2013-04-23 13:45:22 +02:00

asm-offsets_32.c

x86, gdt, hibernate: Store/load GDT for hibernate path.

2013-05-02 11:27:35 -07:00

asm-offsets_64.c

x86, gdt, hibernate: Store/load GDT for hibernate path.

2013-05-02 11:27:35 -07:00

asm-offsets.c

x86, um/x86: switch to generic sys_execve and kernel_execve

2012-09-30 22:53:32 -04:00

audit_64.c

…

bootflag.c

include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h

2010-03-30 22:02:32 +09:00

check.c

x86: kernel/check.c simple_strtoul cleanup

2012-05-15 15:36:41 -07:00

cpuid.c

new helper: file_inode(file)

2013-02-22 23:31:31 -05:00

crash_dump_32.c

x86: remove the second argument of k[un]map_atomic()

2012-03-20 21:48:15 +08:00

crash_dump_64.c

crash_dump: export is_kdump_kernel to modules, consolidate elfcorehdr_addr, setup_elfcorehdr and saved_max_pfn

2011-03-23 19:47:19 -07:00

crash.c

x86/kexec: crash_vmclear_local_vmcss needs __rcu

2012-12-11 19:55:23 -02:00

devicetree.c

x86: dt: Use linear irq domain for ioapic(s)

2012-08-21 22:16:57 +02:00

doublefault_32.c

x86, xen, gdt: Remove the pvops variant of store_gdt.

2013-04-11 15:40:38 -07:00

dumpstack_32.c

dump_stack: unify debug information printed by show_regs()

2013-04-30 17:04:02 -07:00

dumpstack_64.c

x86_64, traps: Stop using IST for #SS

2014-12-06 15:05:46 -08:00

dumpstack.c

dump_stack: consolidate dump_stack() implementations and unify their behaviors

2013-04-30 17:04:02 -07:00

e820.c

x86: avoid remapping data in parse_setup_data()

2013-10-18 07:45:48 -07:00

early_printk.c

early_printk: consolidate random copies of identical code

2013-04-29 18:28:13 -07:00

early-quirks.c

x86: Adjust irq remapping quirk for older revisions of 5500/5520 chipsets

2014-04-26 17:15:34 -07:00

entry_32.S

x86, espfix: Make it possible to disable 16-bit support

2014-08-07 14:30:26 -07:00

entry_64.S

x86/asm/entry/64: Remove a bogus 'ret_from_fork' optimization

2015-03-18 13:22:28 +01:00

espfix_64.c

x86/espfix/xen: Fix allocation of pages for paravirt page tables

2014-08-07 14:30:27 -07:00

ftrace.c

ftrace/x86: One more missing sync after fixup of function modification failure

2014-05-06 07:55:28 -07:00

head32.c

x86: Merge early kernel reserve for 32bit and 64bit

2013-01-29 19:32:58 -08:00

head64.c

x86: Fix bit corruption at CPU resume time

2013-05-20 11:36:03 -07:00

head_32.S

x86: fix compile error due to X86_TRAP_NMI use in asm files

2014-03-23 21:38:15 -07:00

head_64.S

x86: fix compile error due to X86_TRAP_NMI use in asm files

2014-03-23 21:38:15 -07:00

head.c

x86: Make sure we can boot in the case the BDA contains pure garbage

2013-02-27 13:38:57 -08:00

hpet.c

x86, hpet: Introduce x86_msi_ops.setup_hpet_msi

2013-01-28 10:48:30 +01:00

hw_breakpoint.c

x86: Use this_cpu_ops to optimize code

2010-12-30 12:20:28 +01:00

i386_ksyms_32.c

x86-32: Add support for 64bit get_user()

2013-02-07 15:07:28 -08:00

i387.c

x86, fpu: Check tsk_used_math() in kernel_fpu_end() for eager FPU

2014-03-23 21:38:19 -07:00

i8237.c

x86: Use syscore_ops instead of sysdev classes and sysdevs

2011-03-23 22:15:54 +01:00

i8253.c

x86: Use common i8253 clockevent

2011-07-01 10:37:14 +02:00

i8259.c

x86/irq/i8259: Fix incorrect comment

2012-08-22 09:34:24 +02:00

io_delay.c

…

ioport.c

x86: get rid of pt_regs argument of iopl(2)

2013-02-03 18:16:24 -05:00

irq_32.c

x86: Use common threadinfo allocator

2012-05-08 14:08:44 +02:00

irq_64.c

x86: Add stack top margin for stack overflow checking

2011-12-07 09:27:11 +01:00

irq_work.c

irq_work: Add generic hardirq context callbacks

2010-10-18 19:58:50 +02:00

irq.c

Merge tag 'kvm-3.10-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm

2013-05-05 14:47:31 -07:00

irqinit.c

KVM: VMX: Register a new IPI for posted interrupt

2013-04-16 16:32:39 -03:00

jump_label.c

jump_label, x86: Fix section mismatch

2011-12-06 20:41:02 +01:00

kdebugfs.c

arch/x86/kernel/kdebugfs.c: Ensure a consistent return value in error case

2012-07-26 15:07:20 +02:00

kgdb.c

kgdb,x86: fix warning about unused variable

2012-10-12 06:37:34 -05:00

kvm.c

x86, kvm: Clear paravirt_enabled on KVM guests for espfix32's benefit

2015-01-08 09:58:15 -08:00

kvmclock.c

x86, kvm: Clear paravirt_enabled on KVM guests for espfix32's benefit

2015-01-08 09:58:15 -08:00

ldt.c

x86, espfix: Make it possible to disable 16-bit support

2014-08-07 14:30:26 -07:00

machine_kexec_32.c

Disintegrate asm/system.h for X86

2012-03-28 18:11:12 +01:00

machine_kexec_64.c

x86, kexec, 64bit: Only set ident mapping for ram.

2013-01-29 15:26:35 -08:00

Makefile

x86, espfix: Make espfix64 a Kconfig option, fix UML

2014-08-07 14:30:26 -07:00

microcode_amd.c

x86/microcode/amd: Tone down printk(), don't treat a missing firmware file as an error

2013-11-29 11:11:49 -08:00

microcode_core_early.c

x86, microcode: Verify the family before dispatching microcode patching

2013-04-19 16:36:03 -07:00

microcode_core.c

x86/microcode_intel.h: Define functions and macros for early loading ucode

2013-01-31 13:18:50 -08:00

microcode_intel_early.c

x86/microcode/intel: Guard against stack overflow in the loader

2015-07-03 19:48:09 -07:00

microcode_intel_lib.c

x86/microcode_intel_lib.c: Early update ucode on Intel's CPU

2013-01-31 13:19:14 -08:00

microcode_intel.c

x86/microcode_intel.h: Define functions and macros for early loading ucode

2013-01-31 13:18:50 -08:00

mmconf-fam10h_64.c

x86-64: Fix and clean up AMD Fam10 MMCONF enabling

2010-11-18 13:41:35 +01:00

module.c

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial

2012-07-24 13:34:56 -07:00

mpparse.c

Merge branch 'x86-trampoline-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2012-05-29 20:14:53 -07:00

msr.c

more file_inode() open-coded instances

2013-02-27 16:59:05 -05:00

nmi_selftest.c

x86/nmi: Clean up register_nmi_handler() usage

2012-06-20 14:23:17 +02:00

nmi.c

x86/nmi: export local_touch_nmi() symbol for modules

2013-01-17 22:25:57 +08:00

paravirt_patch_32.c

…

paravirt_patch_64.c

x86_64/entry/xen: Do not invoke espfix64 on Xen

2014-08-07 14:30:26 -07:00

paravirt-spinlocks.c

…

paravirt.c

Merge branch 'x86-paravirt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2013-04-30 08:41:21 -07:00

pci-calgary_64.c

x86/debug: Add KERN_<LEVEL> to bare printks, convert printks to pr_<level>

2012-06-06 09:17:22 +02:00

pci-dma.c

x86: dma-mapping: fix GFP_ATOMIC macro usage

2014-03-06 21:30:08 -08:00

pci-iommu_table.c

arch/x86/kernel/pci-iommu_table.c: Convert sprintf_symbol to %pS

2011-05-10 10:21:35 +02:00

pci-nommu.c

X86: integrate CMA with DMA-mapping subsystem

2012-05-21 15:09:38 +02:00

pci-swiotlb.c

X86 & IA64: adapt for dma_map_ops changes

2012-03-28 16:36:31 +02:00

pcspeaker.c

…

perf_regs.c

perf: Fix off by one test in perf_reg_value()

2012-09-19 17:08:40 +02:00

probe_roms.c

x86/pci/probe_roms: Add missing __iomem annotation to pci_map_biosrom()

2012-09-05 10:52:25 +02:00

process_32.c

x86, flags: Rename X86_EFLAGS_BIT1 to X86_EFLAGS_FIXED

2014-11-14 08:47:54 -08:00

process_64.c

x86_64, switch_to(): Load TLS descriptors before switching DS and ES

2015-01-08 09:58:15 -08:00

process.c

sched, idle: Fix the idle polling state logic

2013-11-29 11:11:42 -08:00

ptrace.c

x86, x32, audit: Fix x32's AUDIT_ARCH wrt audit

2014-11-21 09:22:52 -08:00

pvclock.c

x86/kvm: Fix pvclock vsyscall fixmap

2013-02-28 08:50:11 +02:00

quirks.c

x86/amd/numa: Fix northbridge quirk to assign correct NUMA node

2014-03-23 21:38:15 -07:00

reboot_fixups_32.c

x86: Ce4100: Add reboot_fixup() for CE4100

2010-11-12 00:45:41 +01:00

reboot.c

x86/reboot: Add quirk to make Dell C6100 use reboot=pci automatically

2013-10-05 07:13:09 -07:00

relocate_kernel_32.S

kexec, x86: Fix incorrect jump back address if not preserving context

2011-07-21 11:19:28 +02:00

relocate_kernel_64.S

x86: Fix typo in kexec register clearing

2013-06-12 15:16:18 -07:00

resource.c

x86: don't exclude low BIOS area when allocating address space for non-PCI cards

2014-09-05 16:28:36 -07:00

rtc.c

x86: Do full rtc synchronization with ntp

2013-03-15 16:50:26 -07:00

setup_percpu.c

x86: Add read_mostly declaration/definition to variables from smp.h

2012-06-14 12:42:11 +02:00

setup.c

x86: avoid remapping data in parse_setup_data()

2013-10-18 07:45:48 -07:00

signal.c

x86, fpu: shift drop_init_fpu() from save_xstate_sig() to handle_signal()

2014-11-14 08:47:54 -08:00

smp.c

x86/reboot: Update nonmi_ipi parameter

2012-05-14 11:49:38 +02:00

smpboot.c

sched: Fix unreleased llc_shared_mask bit during CPU hotplug

2014-10-05 14:54:14 -07:00

stacktrace.c

x86: Swap save_stack_trace_regs parameters

2011-06-14 22:48:51 -04:00

step.c

ptrace: ensure arch_ptrace/ptrace_request can never race with SIGKILL

2013-01-22 10:08:00 -08:00

sys_x86_64.c

x86 get_unmapped_area: Access mmap_legacy_base through mm_struct member

2013-08-29 09:47:39 -07:00

syscall_32.c

x86, syscall: Re-fix typo in comment

2011-11-18 16:25:07 -08:00

syscall_64.c

x32: If configured, add x32 system calls to system call tables

2012-02-20 12:52:06 -08:00

tboot.c

Revert "x86-64/efi: Use EFI to deal with platform wall clock (again)"

2012-12-15 15:20:41 -08:00

tce_64.c

Disintegrate asm/system.h for X86

2012-03-28 18:11:12 +01:00

test_nx.c

x86: Eliminate various 'set but not used' warnings

2011-05-21 19:10:33 +02:00

test_rodata.c

x86, extable: Remove open-coded exception table entries in arch/x86/kernel/test_rodata.c

2012-04-20 13:51:38 -07:00

time.c

MCA: delete all remaining traces of microchannel bus support.

2012-05-17 19:06:13 -04:00

tls.c

x86, tls: Interpret an all-zero struct user_desc as "no segment"

2015-01-29 17:40:56 -08:00

tls.h

…

topology.c

x86, topology: Debug CPU0 hotplug

2012-11-14 15:28:11 -08:00

trace_clock.c

tracing,x86: Add a TSC trace_clock

2012-11-13 15:48:27 -05:00

traps.c

x86/asm/traps: Disable tracing and kprobes in fixup_bad_iret and sync_regs

2015-01-29 17:40:56 -08:00

tsc_sync.c

x86/tsc: Reduce the TSC sync check time for core-siblings

2012-02-22 11:49:40 +01:00

tsc.c

x86/tsc: Change Fast TSC calibration failed from error to info

2015-01-29 17:40:56 -08:00

uprobes.c

uretprobes/x86: Hijack return address

2013-04-13 15:31:55 +02:00

verify_cpu.S

x86: Fix common misspellings

2011-03-18 10:39:30 +01:00

vm86_32.c

x86, vm86: fix VM86 syscalls: use SYSCALL_DEFINEx(...)

2013-05-02 20:36:32 -04:00

vmlinux.lds.S

x86: Drop always empty .text..page_aligned section

2013-03-11 15:07:56 +01:00

vsmp_64.c

x86/apic/x2apic: Limit the vector reservation to the user specified mask

2012-07-06 11:00:22 +02:00

vsyscall_64.c

x86_64/vsyscall: Fix warn_bad_vsyscall log output

2014-09-05 16:28:36 -07:00

vsyscall_emu_64.S

x86-64: Rework vsyscall emulation and add vsyscall= parameter

2011-08-10 19:26:46 -05:00

vsyscall_trace.h

x86-64: Add vsyscall:emulate_vsyscall trace event

2011-08-04 16:13:53 -07:00

x86_init.c

Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2013-02-21 18:06:55 -08:00

x8664_ksyms_64.c

x86: Improve __phys_addr performance by making use of carry flags and inlining

2012-11-16 16:42:08 -08:00

xsave.c

x86/fpu: Avoid math_state_restore() without used_math() in __restore_xstate_sig()

2015-03-26 15:01:00 +01:00