svn commit: r279179 - head/sys/dev/sfxge

[Andrew Rybchenko]

Author: arybchik
Date: Sun Feb 22 18:56:03 2015
New Revision: 279179
URL: https://svnweb.freebsd.org/changeset/base/279179

Log:
  sfxge: DMA allocated memory is set to zeros because of BUS_DMA_ZERO flag
  
  It is not required to set it to zeros once again.
  
  Sponsored by:   Solarflare Communications, Inc.
  Approved by:    gnn (mentor)

Modified:
  head/sys/dev/sfxge/sfxge_rx.c
  head/sys/dev/sfxge/sfxge_tx.c

Modified: head/sys/dev/sfxge/sfxge_rx.c
==============================================================================
--- head/sys/dev/sfxge/sfxge_rx.c	Sun Feb 22 18:54:16 2015	(r279178)
+++ head/sys/dev/sfxge/sfxge_rx.c	Sun Feb 22 18:56:03 2015	(r279179)
@@ -1113,7 +1113,6 @@ sfxge_rx_qinit(struct sfxge_softc *sc, u
 	/* Allocate and zero DMA space. */
 	if ((rc = sfxge_dma_alloc(sc, EFX_RXQ_SIZE(sc->rxq_entries), esmp)) != 0)
 		return (rc);
-	(void)memset(esmp->esm_base, 0, EFX_RXQ_SIZE(sc->rxq_entries));
 
 	/* Allocate buffer table entries. */
 	sfxge_sram_buf_tbl_alloc(sc, EFX_RXQ_NBUFS(sc->rxq_entries),

Modified: head/sys/dev/sfxge/sfxge_tx.c
==============================================================================
--- head/sys/dev/sfxge/sfxge_tx.c	Sun Feb 22 18:54:16 2015	(r279178)
+++ head/sys/dev/sfxge/sfxge_tx.c	Sun Feb 22 18:56:03 2015	(r279179)
@@ -1400,7 +1400,6 @@ sfxge_tx_qinit(struct sfxge_softc *sc, u
 	/* Allocate and zero DMA space for the descriptor ring. */
 	if ((rc = sfxge_dma_alloc(sc, EFX_TXQ_SIZE(sc->txq_entries), esmp)) != 0)
 		return (rc);
-	(void)memset(esmp->esm_base, 0, EFX_TXQ_SIZE(sc->txq_entries));
 
 	/* Allocate buffer table entries. */
 	sfxge_sram_buf_tbl_alloc(sc, EFX_TXQ_NBUFS(sc->txq_entries),