Module Name: src Committed By: yamaguchi Date: Tue Dec 8 07:53:20 UTC 2020
Modified Files: src/sys/dev/pci: if_iavf.c Log Message: Change the default interrupt-affinity of iavf(4) To generate a diff of this commit: cvs rdiff -u -r1.7 -r1.8 src/sys/dev/pci/if_iavf.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/dev/pci/if_iavf.c diff -u src/sys/dev/pci/if_iavf.c:1.7 src/sys/dev/pci/if_iavf.c:1.8 --- src/sys/dev/pci/if_iavf.c:1.7 Tue Dec 1 04:39:03 2020 +++ src/sys/dev/pci/if_iavf.c Tue Dec 8 07:53:20 2020 @@ -1,4 +1,4 @@ -/* $NetBSD: if_iavf.c,v 1.7 2020/12/01 04:39:03 yamaguchi Exp $ */ +/* $NetBSD: if_iavf.c,v 1.8 2020/12/08 07:53:20 yamaguchi Exp $ */ /* * Copyright (c) 2013-2015, Intel Corporation @@ -75,7 +75,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: if_iavf.c,v 1.7 2020/12/01 04:39:03 yamaguchi Exp $"); +__KERNEL_RCSID(0, "$NetBSD: if_iavf.c,v 1.8 2020/12/08 07:53:20 yamaguchi Exp $"); #include <sys/param.h> #include <sys/types.h> @@ -1813,7 +1813,7 @@ iavf_setup_interrupts(struct iavf_softc } kcpuset_create(&affinity, false); - affinity_to = ((int)num <= ncpu) ? 1 : 0; + affinity_to = 0; qid = 0; for (vector = 1; vector < num; vector++) { pci_intr_setattr(pa->pa_pc, &sc->sc_ihp[vector], @@ -1851,6 +1851,21 @@ iavf_setup_interrupts(struct iavf_softc affinity_to = (affinity_to + 1) % ncpu; } + vector = 0; + kcpuset_zero(affinity); + kcpuset_set(affinity, affinity_to); + intrstr = pci_intr_string(pa->pa_pc, sc->sc_ihp[vector], + intrbuf, sizeof(intrbuf)); + error = interrupt_distribute(sc->sc_ihs[vector], affinity, NULL); + if (error == 0) { + IAVF_LOG(sc, LOG_INFO, + "for Misc interrupt at %s, affinity to %d\n", + intrstr, affinity_to); + } else { + IAVF_LOG(sc, LOG_INFO, + "for MISC interrupt at %s\n", intrstr); + } + kcpuset_destroy(affinity); sc->sc_nintrs = num;