github/acrn-hypervisor
1
0
Fork 0
mirror of https://github.com/projectacrn/acrn-hypervisor.git synced 2025-09-21 08:50:27 +00:00
Code Issues Projects Releases Wiki Activity

hv: refine the left atomic operation

Browse Source 
rename atomic_cmpxchg_int to atomic_cmpxchg
replace atomic_cmpset_long with atomic_cmpxchg64
rename atomic_readandclear_long to atomic_readandclear64

Signed-off-by: Li, Fei1 <fei1.li@intel.com>
Acked-by: Eddie Dong <eddie.dong@Intel.com>
This commit is contained in:
Li, Fei1
2018-05-17 16:39:50 +08:00
committed by lijinxia
parent 1f3da93e74
commit edb26a7e17
3 changed files with 57 additions and 84 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
hypervisor/arch/x86/guest/vlapic.c
View File

@@ -1992,7 +1992,7 @@ apicv_set_intr_ready(struct vlapic *vlapic, int vector, __unused bool level)
mask = 1UL << (vector % 64);
atomic_set_long(&pir_desc->pir[idx], mask);
notify = atomic_cmpset_long(&pir_desc->pending, 0, 1);
notify = (atomic_cmpxchg64((long *)&pir_desc->pending, 0, 1) == 0);
return notify;
}
@@ -2109,7 +2109,7 @@ apicv_inject_pir(struct vlapic *vlapic)
struct lapic_reg *irr = NULL;
pir_desc = vlapic->pir_desc;
if (atomic_cmpset_long(&pir_desc->pending, 1, 0) == 0)
if (atomic_cmpxchg64((long *)&pir_desc->pending, 1, 0) != 1)
return;
pirval = 0;
@@ -2118,7 +2118,7 @@ apicv_inject_pir(struct vlapic *vlapic)
irr = &lapic->irr[0];
for (i = 0; i < 4; i++) {
val = atomic_readandclear_long(&pir_desc->pir[i]);
val = atomic_readandclear64((long *)&pir_desc->pir[i]);
if (val != 0) {
irr[i * 2].val |= val;
irr[(i * 2) + 1].val |= val >> 32;