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Date: Tue, 16 Mar 2010 16:42:06 +0100 From: Yegor Yefremov <yegorslists@...glemail.com> To: netdev <netdev@...r.kernel.org> Cc: davem@...emloft.net Subject: [PATCH 1/1] KS8695: update ksp->next_rx_desc_read at the end of rx loop KS8695: update ksp->next_rx_desc_read at the end of rx loop There is no need to adjust the next rx descriptor after each packet, so do it only once at the end of the routine. Signed-off-by: Yegor Yefremov <yegorslists@...glemail.com> Index: linux-2.6.34-rc1/drivers/net/arm/ks8695net.c =================================================================== --- linux-2.6.34-rc1.orig/drivers/net/arm/ks8695net.c +++ linux-2.6.34-rc1/drivers/net/arm/ks8695net.c @@ -538,12 +538,13 @@ rx_finished: */ last_rx_processed = buff_n; buff_n = (buff_n + 1) & MAX_RX_DESC_MASK; - /*And note which RX descriptor we last did */ - if (likely(last_rx_processed != -1)) - ksp->next_rx_desc_read = - (last_rx_processed + 1) & - MAX_RX_DESC_MASK; } + + /*And note which RX descriptor we last did */ + if (likely(last_rx_processed != -1)) + ksp->next_rx_desc_read = + (last_rx_processed + 1) & MAX_RX_DESC_MASK; + /* And refill the buffers */ ks8695_refill_rxbuffers(ksp); -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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