Date: Sun, 22 Feb 2015 18:56:04 +0000 (UTC) From: Andrew Rybchenko <arybchik@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r279179 - head/sys/dev/sfxge Message-ID: <201502221856.t1MIu4Vr097634@svn.freebsd.org>
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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),
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