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Kevin Hilman 3eac4abaa6 rwsem generic spinlock: use IRQ save/restore spinlocks ...

rwsems can be used with IRQs disabled, particularily in early boot
before IRQs are enabled.  Currently the spin_unlock_irq() usage in the
slow-patch will unconditionally enable interrupts and cause problems
since interrupts are not yet initialized or enabled.

This patch uses save/restore versions of IRQ spinlocks in the slowpath
to ensure interrupts are not unintentionally disabled.

Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2010-04-07 16:15:05 -07:00

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lzo

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reed_solomon

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zlib_deflate

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zlib_inflate

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.gitignore

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argv_split.c

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atomic64.c

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audit.c

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bcd.c

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bitmap.c

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bitrev.c

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btree.c

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bug.c

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bust_spinlocks.c

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check_signature.c

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checksum.c

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cmdline.c

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cpumask.c

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crc7.c

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crc16.c

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crc32.c

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crc32defs.h

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crc-ccitt.c

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crc-itu-t.c

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crc-t10dif.c

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ctype.c

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debug_locks.c

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debugobjects.c

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dec_and_lock.c

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decompress_bunzip2.c

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decompress_inflate.c

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decompress_unlzma.c

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decompress_unlzo.c

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decompress.c

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devres.c

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div64.c

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dma-debug.c

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dump_stack.c

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dynamic_debug.c

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extable.c

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fault-inject.c

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find_last_bit.c

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find_next_bit.c

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flex_array.c

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gcd.c

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gen_crc32table.c

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genalloc.c

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halfmd4.c

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hexdump.c

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hweight.c

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idr.c

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inflate.c

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int_sqrt.c

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iomap_copy.c

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iomap.c

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iommu-helper.c

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ioremap.c

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irq_regs.c

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is_single_threaded.c

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kasprintf.c

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Kconfig

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Kconfig.debug

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Kconfig.kgdb

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Kconfig.kmemcheck

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kernel_lock.c

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klist.c

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kobject_uevent.c

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kobject.c

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kref.c

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libcrc32c.c

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list_debug.c

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list_sort.c

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lmb.c

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locking-selftest-hardirq.h

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locking-selftest-mutex.h

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locking-selftest-rlock-hardirq.h

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locking-selftest-rlock-softirq.h

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locking-selftest-rlock.h

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locking-selftest-rsem.h

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locking-selftest-softirq.h

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locking-selftest-spin-hardirq.h

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locking-selftest-spin-softirq.h

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locking-selftest-spin.h

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locking-selftest-wlock-hardirq.h

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locking-selftest-wlock-softirq.h

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locking-selftest-wlock.h

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locking-selftest-wsem.h

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locking-selftest.c

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lru_cache.c

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Makefile

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nlattr.c

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parser.c

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percpu_counter.c

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plist.c

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prio_heap.c

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prio_tree.c

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proportions.c

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radix-tree.c

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random32.c

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ratelimit.c

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rational.c

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rbtree.c

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reciprocal_div.c

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rwsem-spinlock.c

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rwsem.c

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scatterlist.c

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sha1.c

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show_mem.c

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smp_processor_id.c

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sort.c

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spinlock_debug.c

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string_helpers.c

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string.c

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swiotlb.c

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syscall.c

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textsearch.c

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ts_bm.c

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ts_fsm.c

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ts_kmp.c

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vsprintf.c

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