https://github.com/torvalds/linux
Revision c0af2c057d7ce3f0b260f9380d187a82bb5cab28 authored by Mike Marciniszyn on 16 February 2011, 15:48:25 UTC, committed by Roland Dreier on 17 February 2011, 22:04:50 UTC
There is a double completion associated with error handling for RC QPs. The sequence is: - The do_rc_ack() routine fields an RNR nack and there are 0 rnr_retries configured on the QP. - qib_error_qp() stops the pending timer - qib_rc_send_complete() is called from sdma_complete() - qib_rc_send_complete() starts the timer because the msb of the psn just completed says an ack is needed. - a bunch of flushes occur as ipoib posts WQEs to an error'ed QP - rc_timeout() calls qib_restart_rc() - qib_restart_rc() calls qib_send_complete() with a IB_WC_RETRY_EXC_ERR on a wqe that has already been completed in the past The fix avoids starting the timer since another packet will never arrive. Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
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Tip revision: c0af2c057d7ce3f0b260f9380d187a82bb5cab28 authored by Mike Marciniszyn on 16 February 2011, 15:48:25 UTC
IB/qib: Prevent double completions after a timeout or RNR error
IB/qib: Prevent double completions after a timeout or RNR error
Tip revision: c0af2c0
File | Mode | Size |
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lzo | ||
raid6 | ||
reed_solomon | ||
xz | ||
zlib_deflate | ||
zlib_inflate | ||
.gitignore | -rw-r--r-- | 51 bytes |
Kconfig | -rw-r--r-- | 4.2 KB |
Kconfig.debug | -rw-r--r-- | 42.3 KB |
Kconfig.kgdb | -rw-r--r-- | 2.3 KB |
Kconfig.kmemcheck | -rw-r--r-- | 2.9 KB |
Makefile | -rw-r--r-- | 3.7 KB |
argv_split.c | -rw-r--r-- | 1.8 KB |
atomic64.c | -rw-r--r-- | 4.1 KB |
atomic64_test.c | -rw-r--r-- | 3.5 KB |
audit.c | -rw-r--r-- | 1.2 KB |
average.c | -rw-r--r-- | 1.9 KB |
bcd.c | -rw-r--r-- | 257 bytes |
bitmap.c | -rw-r--r-- | 32.5 KB |
bitrev.c | -rw-r--r-- | 2.1 KB |
btree.c | -rw-r--r-- | 19.2 KB |
bug.c | -rw-r--r-- | 4.7 KB |
bust_spinlocks.c | -rw-r--r-- | 636 bytes |
check_signature.c | -rw-r--r-- | 599 bytes |
checksum.c | -rw-r--r-- | 4.9 KB |
cmdline.c | -rw-r--r-- | 3.6 KB |
cpu-notifier-error-inject.c | -rw-r--r-- | 1.5 KB |
cpumask.c | -rw-r--r-- | 4.6 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-- | 2.9 KB |
crc16.c | -rw-r--r-- | 2.8 KB |
crc32.c | -rw-r--r-- | 14.5 KB |
crc32defs.h | -rw-r--r-- | 1.0 KB |
crc7.c | -rw-r--r-- | 2.3 KB |
ctype.c | -rw-r--r-- | 1.3 KB |
debug_locks.c | -rw-r--r-- | 1.1 KB |
debugobjects.c | -rw-r--r-- | 25.2 KB |
dec_and_lock.c | -rw-r--r-- | 782 bytes |
decompress.c | -rw-r--r-- | 1.3 KB |
decompress_bunzip2.c | -rw-r--r-- | 23.4 KB |
decompress_inflate.c | -rw-r--r-- | 3.7 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-- | 7.7 KB |
div64.c | -rw-r--r-- | 3.1 KB |
dma-debug.c | -rw-r--r-- | 31.5 KB |
dump_stack.c | -rw-r--r-- | 290 bytes |
dynamic_debug.c | -rw-r--r-- | 17.9 KB |
extable.c | -rw-r--r-- | 2.4 KB |
fault-inject.c | -rw-r--r-- | 7.9 KB |
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-- | 10.2 KB |
gcd.c | -rw-r--r-- | 291 bytes |
gen_crc32table.c | -rw-r--r-- | 2.2 KB |
genalloc.c | -rw-r--r-- | 5.1 KB |
halfmd4.c | -rw-r--r-- | 2.0 KB |
hexdump.c | -rw-r--r-- | 6.9 KB |
hweight.c | -rw-r--r-- | 1.9 KB |
idr.c | -rw-r--r-- | 21.9 KB |
inflate.c | -rw-r--r-- | 38.6 KB |
int_sqrt.c | -rw-r--r-- | 533 bytes |
iomap.c | -rw-r--r-- | 7.4 KB |
iomap_copy.c | -rw-r--r-- | 2.1 KB |
iommu-helper.c | -rw-r--r-- | 1006 bytes |
ioremap.c | -rw-r--r-- | 2.1 KB |
irq_regs.c | -rw-r--r-- | 578 bytes |
is_single_threaded.c | -rw-r--r-- | 1.3 KB |
kasprintf.c | -rw-r--r-- | 704 bytes |
kernel_lock.c | -rw-r--r-- | 3.2 KB |
klist.c | -rw-r--r-- | 9.3 KB |
kobject.c | -rw-r--r-- | 24.3 KB |
kobject_uevent.c | -rw-r--r-- | 10.3 KB |
kref.c | -rw-r--r-- | 2.6 KB |
lcm.c | -rw-r--r-- | 265 bytes |
libcrc32c.c | -rw-r--r-- | 2.1 KB |
list_debug.c | -rw-r--r-- | 1.7 KB |
list_sort.c | -rw-r--r-- | 7.0 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-- | 28.6 KB |
lru_cache.c | -rw-r--r-- | 14.6 KB |
nlattr.c | -rw-r--r-- | 12.2 KB |
parser.c | -rw-r--r-- | 6.1 KB |
percpu_counter.c | -rw-r--r-- | 5.0 KB |
plist.c | -rw-r--r-- | 2.9 KB |
prio_heap.c | -rw-r--r-- | 1.4 KB |
prio_tree.c | -rw-r--r-- | 12.2 KB |
proportions.c | -rw-r--r-- | 9.3 KB |
radix-tree.c | -rw-r--r-- | 37.1 KB |
random32.c | -rw-r--r-- | 3.9 KB |
ratelimit.c | -rw-r--r-- | 1.5 KB |
rational.c | -rw-r--r-- | 1.5 KB |
rbtree.c | -rw-r--r-- | 10.1 KB |
reciprocal_div.c | -rw-r--r-- | 159 bytes |
rwsem-spinlock.c | -rw-r--r-- | 6.9 KB |
rwsem.c | -rw-r--r-- | 8.1 KB |
scatterlist.c | -rw-r--r-- | 12.8 KB |
sha1.c | -rw-r--r-- | 2.4 KB |
show_mem.c | -rw-r--r-- | 1.3 KB |
smp_processor_id.c | -rw-r--r-- | 1.1 KB |
sort.c | -rw-r--r-- | 2.5 KB |
spinlock_debug.c | -rw-r--r-- | 6.9 KB |
string.c | -rw-r--r-- | 14.3 KB |
string_helpers.c | -rw-r--r-- | 1.7 KB |
swiotlb.c | -rw-r--r-- | 25.5 KB |
syscall.c | -rw-r--r-- | 2.4 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 |
uuid.c | -rw-r--r-- | 1.4 KB |
vsprintf.c | -rw-r--r-- | 51.1 KB |
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