diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/amd64/amd64/mp_machdep.c | 11 | ||||
| -rw-r--r-- | sys/amd64/vmm/io/vlapic.c | 13 | ||||
| -rw-r--r-- | sys/amd64/vmm/vmm_lapic.c | 4 | ||||
| -rw-r--r-- | sys/i386/i386/mp_machdep.c | 4 | ||||
| -rw-r--r-- | sys/sys/cpuset.h | 2 | ||||
| -rw-r--r-- | sys/x86/x86/mp_x86.c | 4 |
6 files changed, 11 insertions, 27 deletions
diff --git a/sys/amd64/amd64/mp_machdep.c b/sys/amd64/amd64/mp_machdep.c index 6c66bd622855..16ec277e9c34 100644 --- a/sys/amd64/amd64/mp_machdep.c +++ b/sys/amd64/amd64/mp_machdep.c @@ -618,7 +618,7 @@ static void smp_targeted_tlb_shootdown(cpuset_t mask, pmap_t pmap, vm_offset_t addr1, vm_offset_t addr2, smp_invl_cb_t curcpu_cb, enum invl_op_codes op) { - cpuset_t other_cpus, mask1; + cpuset_t other_cpus; uint32_t generation, *p_cpudone; int cpu; bool is_all; @@ -662,10 +662,7 @@ smp_targeted_tlb_shootdown(cpuset_t mask, pmap_t pmap, vm_offset_t addr1, /* Fence between filling smp_tlb fields and clearing scoreboard. */ atomic_thread_fence_rel(); - mask1 = mask; - while ((cpu = CPU_FFS(&mask1)) != 0) { - cpu--; - CPU_CLR(cpu, &mask1); + CPU_FOREACH_ISSET(cpu, &mask) { KASSERT(*invl_scoreboard_slot(cpu) != 0, ("IPI scoreboard is zero, initiator %d target %d", PCPU_GET(cpuid), cpu)); @@ -686,9 +683,7 @@ smp_targeted_tlb_shootdown(cpuset_t mask, pmap_t pmap, vm_offset_t addr1, ipi_selected(mask, IPI_INVLOP); } curcpu_cb(pmap, addr1, addr2); - while ((cpu = CPU_FFS(&other_cpus)) != 0) { - cpu--; - CPU_CLR(cpu, &other_cpus); + CPU_FOREACH_ISSET(cpu, &other_cpus) { p_cpudone = invl_scoreboard_slot(cpu); while (atomic_load_int(p_cpudone) != generation) ia32_pause(); diff --git a/sys/amd64/vmm/io/vlapic.c b/sys/amd64/vmm/io/vlapic.c index 06df1c1a87e5..4e7ddbafd447 100644 --- a/sys/amd64/vmm/io/vlapic.c +++ b/sys/amd64/vmm/io/vlapic.c @@ -860,10 +860,7 @@ vlapic_calcdest(struct vm *vm, cpuset_t *dmask, uint32_t dest, bool phys, */ CPU_ZERO(dmask); amask = vm_active_cpus(vm); - while ((vcpuid = CPU_FFS(&amask)) != 0) { - vcpuid--; - CPU_CLR(vcpuid, &amask); - + CPU_FOREACH_ISSET(vcpuid, &amask) { vlapic = vm_lapic(vm, vcpuid); dfr = vlapic->apic_page->dfr; ldr = vlapic->apic_page->ldr; @@ -1003,9 +1000,7 @@ vlapic_icrlo_write_handler(struct vlapic *vlapic, bool *retu) break; } - while ((i = CPU_FFS(&dmask)) != 0) { - i--; - CPU_CLR(i, &dmask); + CPU_FOREACH_ISSET(i, &dmask) { if (mode == APIC_DELMODE_FIXED) { lapic_intr_edge(vlapic->vm, i, vec); vmm_stat_array_incr(vlapic->vm, vlapic->vcpuid, @@ -1554,9 +1549,7 @@ vlapic_deliver_intr(struct vm *vm, bool level, uint32_t dest, bool phys, */ vlapic_calcdest(vm, &dmask, dest, phys, lowprio, false); - while ((vcpuid = CPU_FFS(&dmask)) != 0) { - vcpuid--; - CPU_CLR(vcpuid, &dmask); + CPU_FOREACH_ISSET(vcpuid, &dmask) { if (delmode == IOART_DELEXINT) { vm_inject_extint(vm, vcpuid); } else { diff --git a/sys/amd64/vmm/vmm_lapic.c b/sys/amd64/vmm/vmm_lapic.c index 89a1ebc8eff9..8191da758100 100644 --- a/sys/amd64/vmm/vmm_lapic.c +++ b/sys/amd64/vmm/vmm_lapic.c @@ -87,9 +87,7 @@ lapic_set_local_intr(struct vm *vm, int cpu, int vector) else CPU_SETOF(cpu, &dmask); error = 0; - while ((cpu = CPU_FFS(&dmask)) != 0) { - cpu--; - CPU_CLR(cpu, &dmask); + CPU_FOREACH_ISSET(cpu, &dmask) { vlapic = vm_lapic(vm, cpu); error = vlapic_trigger_lvt(vlapic, vector); if (error) diff --git a/sys/i386/i386/mp_machdep.c b/sys/i386/i386/mp_machdep.c index 156702118c45..777aefa021b3 100644 --- a/sys/i386/i386/mp_machdep.c +++ b/sys/i386/i386/mp_machdep.c @@ -598,9 +598,7 @@ smp_targeted_tlb_shootdown(cpuset_t mask, u_int vector, pmap_t pmap, ipi_selected(mask, vector); } curcpu_cb(pmap, addr1, addr2); - while ((cpu = CPU_FFS(&other_cpus)) != 0) { - cpu--; - CPU_CLR(cpu, &other_cpus); + CPU_FOREACH_ISSET(cpu, &other_cpus) { p_cpudone = &cpuid_to_pcpu[cpu]->pc_smp_tlb_done; while (*p_cpudone != generation) ia32_pause(); diff --git a/sys/sys/cpuset.h b/sys/sys/cpuset.h index 1a96bb4766ce..9ef1a65f4506 100644 --- a/sys/sys/cpuset.h +++ b/sys/sys/cpuset.h @@ -66,6 +66,8 @@ #define CPU_COPY_STORE_REL(f, t) BIT_COPY_STORE_REL(CPU_SETSIZE, f, t) #define CPU_FFS(p) BIT_FFS(CPU_SETSIZE, p) #define CPU_FLS(p) BIT_FLS(CPU_SETSIZE, p) +#define CPU_FOREACH_ISSET(i, p) BIT_FOREACH_ISSET(CPU_SETSIZE, i, p) +#define CPU_FOREACH_ISCLR(i, p) BIT_FOREACH_ISCLR(CPU_SETSIZE, i, p) #define CPU_COUNT(p) ((int)BIT_COUNT(CPU_SETSIZE, p)) #define CPUSET_FSET BITSET_FSET(_NCPUWORDS) #define CPUSET_T_INITIALIZER BITSET_T_INITIALIZER diff --git a/sys/x86/x86/mp_x86.c b/sys/x86/x86/mp_x86.c index 5e9a9735b09a..09d05d3f6de4 100644 --- a/sys/x86/x86/mp_x86.c +++ b/sys/x86/x86/mp_x86.c @@ -1290,9 +1290,7 @@ ipi_selected(cpuset_t cpus, u_int ipi) if (ipi == IPI_STOP_HARD) CPU_OR_ATOMIC(&ipi_stop_nmi_pending, &cpus); - while ((cpu = CPU_FFS(&cpus)) != 0) { - cpu--; - CPU_CLR(cpu, &cpus); + CPU_FOREACH_ISSET(cpu, &cpus) { CTR3(KTR_SMP, "%s: cpu: %d ipi: %x", __func__, cpu, ipi); ipi_send_cpu(cpu, ipi); } |