Date: Fri, 13 May 2011 21:25:14 +0000 (UTC) From: Navdeep Parhar <np@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org Subject: svn commit: r221859 - stable/8/sys/dev/cxgbe Message-ID: <201105132125.p4DLPEhP082917@svn.freebsd.org>
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Author: np Date: Fri May 13 21:25:14 2011 New Revision: 221859 URL: http://svn.freebsd.org/changeset/base/221859 Log: MFC r221464: Always re-arm an iq's interrupt before leaving the handler. Modified: stable/8/sys/dev/cxgbe/t4_sge.c Modified: stable/8/sys/dev/cxgbe/t4_sge.c ============================================================================== --- stable/8/sys/dev/cxgbe/t4_sge.c Fri May 13 20:58:48 2011 (r221858) +++ stable/8/sys/dev/cxgbe/t4_sge.c Fri May 13 21:25:14 2011 (r221859) @@ -499,11 +499,8 @@ t4_intr_fwd(void *arg) iq_next(iq); } - if (ndesc_total > 0) { - t4_write_reg(sc, MYPF_REG(A_SGE_PF_GTS), - V_CIDXINC(ndesc_pending) | V_INGRESSQID((u32)iq->cntxt_id) | - V_SEINTARM(iq->intr_params)); - } + t4_write_reg(sc, MYPF_REG(A_SGE_PF_GTS), V_CIDXINC(ndesc_pending) | + V_INGRESSQID((u32)iq->cntxt_id) | V_SEINTARM(iq->intr_params)); atomic_cmpset_32(&iq->state, IQS_BUSY, IQS_IDLE); } @@ -601,11 +598,8 @@ t4_evt_rx(void *arg) iq_next(iq); } - if (ndesc_total > 0) { - t4_write_reg(sc, MYPF_REG(A_SGE_PF_GTS), - V_CIDXINC(ndesc_pending) | V_INGRESSQID(iq->cntxt_id) | - V_SEINTARM(iq->intr_params)); - } + t4_write_reg(sc, MYPF_REG(A_SGE_PF_GTS), V_CIDXINC(ndesc_pending) | + V_INGRESSQID(iq->cntxt_id) | V_SEINTARM(iq->intr_params)); } void
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