https://github.com/torvalds/linux
Revision a3ef2229c94ff70998724cb64b9cb4c77db9e950 authored by Markus Metzger on 15 February 2014, 00:44:08 UTC, committed by Thomas Gleixner on 21 February 2014, 21:09:01 UTC
When using BTS on Core i7-4*, I get the below kernel warning. $ perf record -c 1 -e branches:u ls Message from syslogd@labpc1501 at Nov 11 15:49:25 ... kernel:[ 438.317893] Uhhuh. NMI received for unknown reason 31 on CPU 2. Message from syslogd@labpc1501 at Nov 11 15:49:25 ... kernel:[ 438.317920] Do you have a strange power saving mode enabled? Message from syslogd@labpc1501 at Nov 11 15:49:25 ... kernel:[ 438.317945] Dazed and confused, but trying to continue Make intel_pmu_handle_irq() take the full exit path when returning early. Cc: eranian@google.com Cc: peterz@infradead.org Cc: mingo@kernel.org Signed-off-by: Markus Metzger <markus.t.metzger@intel.com> Signed-off-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1392425048-5309-1-git-send-email-andi@firstfloor.org Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
1 parent 0e9f220
Tip revision: a3ef2229c94ff70998724cb64b9cb4c77db9e950 authored by Markus Metzger on 15 February 2014, 00:44:08 UTC
perf, nmi: Fix unknown NMI warning
perf, nmi: Fix unknown NMI warning
Tip revision: a3ef222
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| fonts | ||
| lz4 | ||
| lzo | ||
| mpi | ||
| raid6 | ||
| reed_solomon | ||
| xz | ||
| zlib_deflate | ||
| zlib_inflate | ||
| .gitignore | -rw-r--r-- | 70 bytes |
| Kconfig | -rw-r--r-- | 9.8 KB |
| Kconfig.debug | -rw-r--r-- | 53.6 KB |
| Kconfig.kgdb | -rw-r--r-- | 3.1 KB |
| Kconfig.kmemcheck | -rw-r--r-- | 2.9 KB |
| Makefile | -rw-r--r-- | 5.7 KB |
| argv_split.c | -rw-r--r-- | 2.1 KB |
| asn1_decoder.c | -rw-r--r-- | 12.5 KB |
| assoc_array.c | -rw-r--r-- | 52.5 KB |
| atomic64.c | -rw-r--r-- | 4.2 KB |
| atomic64_test.c | -rw-r--r-- | 3.4 KB |
| audit.c | -rw-r--r-- | 1.2 KB |
| average.c | -rw-r--r-- | 1.9 KB |
| bcd.c | -rw-r--r-- | 261 bytes |
| bch.c | -rw-r--r-- | 35.6 KB |
| bitmap.c | -rw-r--r-- | 34.7 KB |
| bitrev.c | -rw-r--r-- | 2.1 KB |
| bsearch.c | -rw-r--r-- | 1.6 KB |
| btree.c | -rw-r--r-- | 19.2 KB |
| bug.c | -rw-r--r-- | 4.8 KB |
| build_OID_registry | -rwxr-xr-x | 4.7 KB |
| bust_spinlocks.c | -rw-r--r-- | 660 bytes |
| check_signature.c | -rw-r--r-- | 599 bytes |
| checksum.c | -rw-r--r-- | 4.9 KB |
| clz_ctz.c | -rw-r--r-- | 1009 bytes |
| clz_tab.c | -rw-r--r-- | 855 bytes |
| cmdline.c | -rw-r--r-- | 3.6 KB |
| cordic.c | -rw-r--r-- | 2.5 KB |
| cpu-notifier-error-inject.c | -rw-r--r-- | 1.2 KB |
| cpu_rmap.c | -rw-r--r-- | 7.8 KB |
| cpumask.c | -rw-r--r-- | 4.4 KB |
| crc-ccitt.c | -rw-r--r-- | 3.0 KB |
| crc-itu-t.c | -rw-r--r-- | 2.8 KB |
| crc-t10dif.c | -rw-r--r-- | 1.5 KB |
| crc16.c | -rw-r--r-- | 2.8 KB |
| crc32.c | -rw-r--r-- | 45.3 KB |
| crc32defs.h | -rw-r--r-- | 2.0 KB |
| crc7.c | -rw-r--r-- | 2.3 KB |
| crc8.c | -rw-r--r-- | 2.4 KB |
| ctype.c | -rw-r--r-- | 1.4 KB |
| debug_locks.c | -rw-r--r-- | 1.2 KB |
| debugobjects.c | -rw-r--r-- | 26.2 KB |
| dec_and_lock.c | -rw-r--r-- | 784 bytes |
| decompress.c | -rw-r--r-- | 1.5 KB |
| decompress_bunzip2.c | -rw-r--r-- | 23.4 KB |
| decompress_inflate.c | -rw-r--r-- | 3.7 KB |
| decompress_unlz4.c | -rw-r--r-- | 3.8 KB |
| decompress_unlzma.c | -rw-r--r-- | 15.8 KB |
| decompress_unlzo.c | -rw-r--r-- | 6.8 KB |
| decompress_unxz.c | -rw-r--r-- | 10.6 KB |
| devres.c | -rw-r--r-- | 10.2 KB |
| digsig.c | -rw-r--r-- | 5.5 KB |
| div64.c | -rw-r--r-- | 4.0 KB |
| dma-debug.c | -rw-r--r-- | 34.9 KB |
| dump_stack.c | -rw-r--r-- | 1.1 KB |
| dynamic_debug.c | -rw-r--r-- | 25.3 KB |
| dynamic_queue_limits.c | -rw-r--r-- | 4.3 KB |
| earlycpio.c | -rw-r--r-- | 3.9 KB |
| extable.c | -rw-r--r-- | 2.4 KB |
| fault-inject.c | -rw-r--r-- | 5.5 KB |
| fdt.c | -rw-r--r-- | 69 bytes |
| fdt_ro.c | -rw-r--r-- | 72 bytes |
| fdt_rw.c | -rw-r--r-- | 72 bytes |
| fdt_strerror.c | -rw-r--r-- | 78 bytes |
| fdt_sw.c | -rw-r--r-- | 72 bytes |
| fdt_wip.c | -rw-r--r-- | 73 bytes |
| find_last_bit.c | -rw-r--r-- | 1.1 KB |
| find_next_bit.c | -rw-r--r-- | 6.4 KB |
| flex_array.c | -rw-r--r-- | 10.9 KB |
| flex_proportions.c | -rw-r--r-- | 6.8 KB |
| gcd.c | -rw-r--r-- | 313 bytes |
| gen_crc32table.c | -rw-r--r-- | 3.2 KB |
| genalloc.c | -rw-r--r-- | 16.2 KB |
| halfmd4.c | -rw-r--r-- | 2.0 KB |
| hexdump.c | -rw-r--r-- | 7.2 KB |
| hweight.c | -rw-r--r-- | 1.9 KB |
| idr.c | -rw-r--r-- | 28.7 KB |
| inflate.c | -rw-r--r-- | 38.6 KB |
| int_sqrt.c | -rw-r--r-- | 652 bytes |
| interval_tree.c | -rw-r--r-- | 297 bytes |
| interval_tree_test_main.c | -rw-r--r-- | 2.3 KB |
| iomap.c | -rw-r--r-- | 6.5 KB |
| iomap_copy.c | -rw-r--r-- | 2.1 KB |
| iommu-helper.c | -rw-r--r-- | 1.0 KB |
| ioremap.c | -rw-r--r-- | 2.1 KB |
| iovec.c | -rw-r--r-- | 1.0 KB |
| irq_regs.c | -rw-r--r-- | 604 bytes |
| is_single_threaded.c | -rw-r--r-- | 1.3 KB |
| jedec_ddr_data.c | -rw-r--r-- | 3.0 KB |
| kasprintf.c | -rw-r--r-- | 717 bytes |
| kfifo.c | -rw-r--r-- | 12.7 KB |
| klist.c | -rw-r--r-- | 9.3 KB |
| kobject.c | -rw-r--r-- | 26.6 KB |
| kobject_uevent.c | -rw-r--r-- | 10.4 KB |
| kstrtox.c | -rw-r--r-- | 9.4 KB |
| kstrtox.h | -rw-r--r-- | 254 bytes |
| lcm.c | -rw-r--r-- | 288 bytes |
| libcrc32c.c | -rw-r--r-- | 2.1 KB |
| list_debug.c | -rw-r--r-- | 2.6 KB |
| list_sort.c | -rw-r--r-- | 7.0 KB |
| llist.c | -rw-r--r-- | 3.1 KB |
| locking-selftest-hardirq.h | -rw-r--r-- | 207 bytes |
| locking-selftest-mutex.h | -rw-r--r-- | 120 bytes |
| locking-selftest-rlock-hardirq.h | -rw-r--r-- | 74 bytes |
| locking-selftest-rlock-softirq.h | -rw-r--r-- | 74 bytes |
| locking-selftest-rlock.h | -rw-r--r-- | 158 bytes |
| locking-selftest-rsem.h | -rw-r--r-- | 163 bytes |
| locking-selftest-softirq.h | -rw-r--r-- | 207 bytes |
| locking-selftest-spin-hardirq.h | -rw-r--r-- | 73 bytes |
| locking-selftest-spin-softirq.h | -rw-r--r-- | 73 bytes |
| locking-selftest-spin.h | -rw-r--r-- | 118 bytes |
| locking-selftest-wlock-hardirq.h | -rw-r--r-- | 74 bytes |
| locking-selftest-wlock-softirq.h | -rw-r--r-- | 74 bytes |
| locking-selftest-wlock.h | -rw-r--r-- | 158 bytes |
| locking-selftest-wsem.h | -rw-r--r-- | 163 bytes |
| locking-selftest.c | -rw-r--r-- | 40.1 KB |
| lockref.c | -rw-r--r-- | 3.7 KB |
| lru_cache.c | -rw-r--r-- | 19.2 KB |
| md5.c | -rw-r--r-- | 3.7 KB |
| memory-notifier-error-inject.c | -rw-r--r-- | 1.1 KB |
| memweight.c | -rw-r--r-- | 999 bytes |
| net_utils.c | -rw-r--r-- | 588 bytes |
| nlattr.c | -rw-r--r-- | 12.4 KB |
| notifier-error-inject.c | -rw-r--r-- | 2.7 KB |
| notifier-error-inject.h | -rw-r--r-- | 614 bytes |
| of-reconfig-notifier-error-inject.c | -rw-r--r-- | 1.3 KB |
| oid_registry.c | -rw-r--r-- | 3.8 KB |
| parser.c | -rw-r--r-- | 6.2 KB |
| pci_iomap.c | -rw-r--r-- | 1.4 KB |
| percpu-refcount.c | -rw-r--r-- | 5.7 KB |
| percpu_counter.c | -rw-r--r-- | 5.3 KB |
| percpu_ida.c | -rw-r--r-- | 9.6 KB |
| percpu_test.c | -rw-r--r-- | 3.2 KB |
| plist.c | -rw-r--r-- | 4.7 KB |
| pm-notifier-error-inject.c | -rw-r--r-- | 1.1 KB |
| prio_heap.c | -rw-r--r-- | 1.4 KB |
| proportions.c | -rw-r--r-- | 9.3 KB |
| radix-tree.c | -rw-r--r-- | 40.0 KB |
| random32.c | -rw-r--r-- | 12.3 KB |
| ratelimit.c | -rw-r--r-- | 1.5 KB |
| rational.c | -rw-r--r-- | 1.5 KB |
| rbtree.c | -rw-r--r-- | 15.0 KB |
| rbtree_test.c | -rw-r--r-- | 5.3 KB |
| reciprocal_div.c | -rw-r--r-- | 218 bytes |
| scatterlist.c | -rw-r--r-- | 17.8 KB |
| sha1.c | -rw-r--r-- | 6.1 KB |
| show_mem.c | -rw-r--r-- | 1.1 KB |
| smp_processor_id.c | -rw-r--r-- | 1.1 KB |
| sort.c | -rw-r--r-- | 2.5 KB |
| stmp_device.c | -rw-r--r-- | 2.1 KB |
| string.c | -rw-r--r-- | 16.2 KB |
| string_helpers.c | -rw-r--r-- | 3.6 KB |
| strncpy_from_user.c | -rw-r--r-- | 2.9 KB |
| strnlen_user.c | -rw-r--r-- | 3.6 KB |
| swiotlb.c | -rw-r--r-- | 26.8 KB |
| syscall.c | -rw-r--r-- | 2.4 KB |
| test-kstrtox.c | -rw-r--r-- | 17.4 KB |
| test-string_helpers.c | -rw-r--r-- | 2.5 KB |
| textsearch.c | -rw-r--r-- | 9.6 KB |
| timerqueue.c | -rw-r--r-- | 3.1 KB |
| ts_bm.c | -rw-r--r-- | 5.3 KB |
| ts_fsm.c | -rw-r--r-- | 10.6 KB |
| ts_kmp.c | -rw-r--r-- | 4.3 KB |
| ucs2_string.c | -rw-r--r-- | 1.2 KB |
| usercopy.c | -rw-r--r-- | 197 bytes |
| uuid.c | -rw-r--r-- | 1.3 KB |
| vsprintf.c | -rw-r--r-- | 58.3 KB |
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