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e1000: remove irq_sem

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irq_sem was just a hack to prevent interrupts from being enabled
unexpectedly in deep call paths.  Simply finding those call paths and
fixing them by hand results in a driver that behaves as we expect and
doesn't need the atomic at all.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Jesse Brandeburg
2008-03-21 11:06:58 -07:00
committed by Jeff Garzik
parent 74ef9c39db
commit 9150b76a64
2 changed files with 15 additions and 27 deletions
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drivers/net/e1000/e1000.h
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@@ -249,7 +249,6 @@ struct e1000_adapter {
#ifdef CONFIG_E1000_NAPI
spinlock_t tx_queue_lock;
#endif
atomic_t irq_sem;
unsigned int total_tx_bytes;
unsigned int total_tx_packets;
unsigned int total_rx_bytes;