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HV:treewide: Rename bit operation function fls as fls32

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Rename bit operation function fls as fls32, keep name
style with other bit operation function.

Signed-off-by: Xiangyang Wu <xiangyang.wu@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Xiangyang Wu 2018-07-03 09:25:50 +08:00 committed by lijinxia
parent 8afbe66fe9
commit 50f06cad55
2 changed files with 9 additions and 9 deletions
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4
hypervisor/arch/x86/guest/vlapic.c
View File

@ -774,7 +774,7 @@ vlapic_process_eoi(struct vlapic *vlapic)
tmrptr = &lapic->tmr[0]; tmrptr = &lapic->tmr[0];
for (i = 7; i >= 0; i--) { for (i = 7; i >= 0; i--) {
bitpos = fls(isrptr[i].val); bitpos = fls32(isrptr[i].val);
if (bitpos != INVALID_BIT_INDEX) { if (bitpos != INVALID_BIT_INDEX) {
if (vlapic->isrvec_stk_top <= 0) { if (vlapic->isrvec_stk_top <= 0) {
panic("invalid vlapic isrvec_stk_top %d", panic("invalid vlapic isrvec_stk_top %d",
@ -1145,7 +1145,7 @@ vlapic_pending_intr(struct vlapic *vlapic, uint32_t *vecptr)
for (i = 7; i >= 0; i--) { for (i = 7; i >= 0; i--) {
val = atomic_load((int *)&irrptr[i].val); val = atomic_load((int *)&irrptr[i].val);
bitpos = fls(val); bitpos = fls32(val);
if (bitpos != INVALID_BIT_INDEX) { if (bitpos != INVALID_BIT_INDEX) {
vector = (uint32_t)(i * 32) + (uint32_t)bitpos; vector = (uint32_t)(i * 32) + (uint32_t)bitpos;
if (PRIO(vector) > PRIO(lapic->ppr)) { if (PRIO(vector) > PRIO(lapic->ppr)) {

14
hypervisor/include/lib/bits.h
View File

@ -42,7 +42,7 @@
/** /**
* *
* fls - Find the Last (most significant) bit Set in value and * fls32 - Find the Last (most significant) bit Set in value and
* return the bit index of that bit. * return the bit index of that bit.
* *
* Bits are numbered starting at 0,the least significant bit. * Bits are numbered starting at 0,the least significant bit.
@ -50,11 +50,11 @@
* invalid bit index when the input argument was zero. * invalid bit index when the input argument was zero.
* *
* Examples: * Examples:
* fls (0x0) = INVALID_BIT_INDEX * fls32 (0x0) = INVALID_BIT_INDEX
* fls (0x01) = 0 * fls32 (0x01) = 0
* fls (0x80) = 7 * fls32 (0x80) = 7
* ... * ...
* fls (0x80000001) = 31 * fls32 (0x80000001) = 31
* *
* @param value: 'uint32_t' type value * @param value: 'uint32_t' type value
* *
@ -63,7 +63,7 @@
* set and return the invalid bit index directly. * set and return the invalid bit index directly.
* *
* **/ * **/
static inline uint16_t fls(uint32_t value) static inline uint16_t fls32(uint32_t value)
{ {
uint32_t ret = 0U; uint32_t ret = 0U;
if (value == 0U) if (value == 0U)
@ -147,7 +147,7 @@ static inline uint16_t clz(uint32_t value)
if (value == 0U) if (value == 0U)
return 32U; return 32U;
else{ else{
return (31U - fls(value)); return (31U - fls32(value));
} }
} }