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;
