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Fix a type from kcpuset transition.

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Deal with kcpuset_ffs return value a little more cleanly.
This commit is contained in:
matt 2015-06-11 15:15:27 +00:00
parent 078e3d0fa5
commit 957e288d74
1 changed files with 6 additions and 5 deletions
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11
sys/arch/mips/mips/pmap_tlb.c
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@ -1,4 +1,4 @@
/* $NetBSD: pmap_tlb.c,v 1.9 2015/06/10 22:31:00 matt Exp $ */
/* $NetBSD: pmap_tlb.c,v 1.10 2015/06/11 15:15:27 matt Exp $ */
/*-
* Copyright (c) 2010 The NetBSD Foundation, Inc.
@ -31,7 +31,7 @@
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pmap_tlb.c,v 1.9 2015/06/10 22:31:00 matt Exp $");
__KERNEL_RCSID(0, "$NetBSD: pmap_tlb.c,v 1.10 2015/06/11 15:15:27 matt Exp $");
/*
* Manages address spaces in a TLB.
@ -560,13 +560,14 @@ pmap_tlb_shootdown_bystanders(pmap_t pm)
/*
* Skip this TLB if there are no active mappings for it.
*/
if (!kcpuset_intersecting_p(pm_active, ti->ti_kcpuset) == 0)
if (!kcpuset_intersecting_p(pm_active, ti->ti_kcpuset))
continue;
struct pmap_asid_info * const pai = PMAP_PAI(pm, ti);
kcpuset_remove(pm_active, ti->ti_kcpuset);
TLBINFO_LOCK(ti);
cpuid_t j = kcpuset_ffs_intersecting(pm->pm_onproc, ti->ti_kcpuset);
if (j != 0) {
// post decrement since ffs returns bit + 1 or 0 if no bit
if (j-- > 0) {
if (kernel_p) {
ti->ti_tlbinvop =
TLBINV_KERNEL_MAP(ti->ti_tlbinvop);
@ -598,7 +599,7 @@ pmap_tlb_shootdown_bystanders(pmap_t pm)
* change now that we have released the lock but we
* can tolerate spurious shootdowns.
*/
cpu_send_ipi(cpu_lookup(j-1), IPI_SHOOTDOWN);
cpu_send_ipi(cpu_lookup(j), IPI_SHOOTDOWN);
ipi_sent = true;
continue;
}