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hv: refine bit scan API

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Rename
bsrl to bsr
bsrq to bsr64
bitmap_ffs to fls64
get_first_zero_bit to ffz64

Remove
ffsl

Signed-off-by: Li, Fei1 <fei1.li@intel.com>
This commit is contained in:
Li, Fei1
2018-05-22 12:03:02 +08:00
committed by lijinxia
parent 57d0bf3b7c
commit efb60e2726
5 changed files with 77 additions and 109 deletions
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2
hypervisor/arch/x86/guest/guest.c
View File

@@ -97,7 +97,7 @@ inline uint64_t vcpumask2pcpumask(struct vm *vm, uint64_t vdmask)
uint64_t dmask = 0;
struct vcpu *vcpu;
while ((vcpu_id = bitmap_ffs(&vdmask)) >= 0) {
while ((vcpu_id = ffs64(vdmask)) >= 0) {
bitmap_clear(vcpu_id, &vdmask);
vcpu = vcpu_from_vid(vm, vcpu_id);
ASSERT(vcpu, "vcpu_from_vid failed");

12
hypervisor/arch/x86/guest/vlapic.c
View File

@@ -848,7 +848,7 @@ vlapic_calcdest(struct vm *vm, uint64_t *dmask, uint32_t dest,
*/
*dmask = 0;
amask = vm_active_cpus(vm);
while ((vcpu_id = bitmap_ffs(&amask)) >= 0) {
while ((vcpu_id = ffs64(amask)) >= 0) {
bitmap_clear(vcpu_id, &amask);
vlapic = vm_lapic_from_vcpu_id(vm, vcpu_id);
@@ -997,7 +997,7 @@ vlapic_icrlo_write_handler(struct vlapic *vlapic)
break;
}
while ((i = bitmap_ffs(&dmask)) >= 0) {
while ((i = ffs64(dmask)) >= 0) {
bitmap_clear(i, &dmask);
target_vcpu = vcpu_from_vid(vlapic->vm, i);
if (target_vcpu == NULL)
@@ -1521,7 +1521,7 @@ vlapic_deliver_intr(struct vm *vm, bool level, uint32_t dest, bool phys,
*/
vlapic_calcdest(vm, &dmask, dest, phys, lowprio);
while ((vcpu_id = bitmap_ffs(&dmask)) >= 0) {
while ((vcpu_id = ffs64(dmask)) >= 0) {
bitmap_clear(vcpu_id, &dmask);
target_vcpu = vcpu_from_vid(vm, vcpu_id);
if (target_vcpu == NULL)
@@ -1667,7 +1667,7 @@ vlapic_set_local_intr(struct vm *vm, int cpu_id, int vector)
else
bitmap_set(cpu_id, &dmask);
error = 0;
while ((cpu_id = bitmap_ffs(&dmask)) >= 0) {
while ((cpu_id = ffs64(dmask)) >= 0) {
bitmap_clear(cpu_id, &dmask);
vlapic = vm_lapic_from_vcpu_id(vm, cpu_id);
error = vlapic_trigger_lvt(vlapic, vector);
@@ -2019,7 +2019,7 @@ apicv_pending_intr(struct vlapic *vlapic, __unused int *vecptr)
for (i = 3; i >= 0; i--) {
pirval = pir_desc->pir[i];
if (pirval != 0) {
vpr = (i * 64 + flsl(pirval)) & 0xF0;
vpr = (i * 64 + fls64(pirval)) & 0xF0;
return (vpr > ppr);
}
}
@@ -2149,7 +2149,7 @@ apicv_inject_pir(struct vlapic *vlapic)
* pending bit set, PIR 0
*/
if (pirval != 0) {
rvi = pirbase + flsl(pirval);
rvi = pirbase + fls64(pirval);
intr_status_old = (uint16_t)
(0xFFFF &

2
hypervisor/arch/x86/softirq.c
View File

@@ -92,7 +92,7 @@ void exec_softirq(void)
goto ENABLE_AND_EXIT;
while (1) {
softirq_id = bitmap_ffs(bitmap);
softirq_id = ffs64(*bitmap);
if ((softirq_id < 0) || (softirq_id >= SOFTIRQ_MAX))
break;