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authorArnd Bergmann <arnd@arndb.de>2018-12-16 20:48:21 +0100
committerDavid S. Miller <davem@davemloft.net>2018-12-18 15:12:53 -0800
commit809c67059162e7ba85c61a83ad7547b4ffbb1e6e (patch)
tree4fbd0d0a6421a0940ef7a9bbedb1726a40e17b64 /drivers/net/ethernet/qlogic
parentnet: phy: print stack trace in phy_error (diff)
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test_rhashtable: remove semaphore usage
This is one of only two files that initialize a semaphore to a negative value. We don't really need the two semaphores here at all, but can do the same thing in more conventional and more effient way, by using a single waitqueue and an atomic thread counter. This gets us a little bit closer to eliminating classic semaphores from the kernel. It also fixes a corner case where we fail to continue after one of the threads fails to start up. An alternative would be to use a split kthread_create()+wake_up_process() and completely eliminate the separate synchronization. Acked-by: Phil Sutter <phil@nwl.cc> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/qlogic')
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