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hv:Replace dynamic memory with static for vm

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-- Replace dynamic memory allocation with static memory
-- Remove the parameter check if the vm is NULL

Tracked-On: #861
Signed-off-by: Mingqiang Chi <mingqiang.chi@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Mingqiang Chi
2018-09-26 11:24:38 +08:00
committed by wenlingz
parent ff3f9bd1e6
commit b8e59e1638
7 changed files with 40 additions and 60 deletions
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21
hypervisor/arch/x86/assign.c
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@@ -705,7 +705,8 @@ END:
return 0;
}
/* except vm0, Device Model should call this function to pre-hold ptdev intx
/* @pre vm != NULL
* except vm0, Device Model should call this function to pre-hold ptdev intx
* entries:
* - the entry is identified by phys_pin:
* one entry vs. one phys_pin
@@ -717,7 +718,7 @@ int ptdev_add_intx_remapping(struct vm *vm, uint8_t virt_pin, uint8_t phys_pin,
{
struct ptdev_remapping_info *entry;
if (vm == NULL || (!pic_pin && virt_pin >= vioapic_pincount(vm))
if ((!pic_pin && virt_pin >= vioapic_pincount(vm))
|| (pic_pin && virt_pin >= vpic_pincount())) {
pr_err("ptdev_add_intx_remapping fails!\n");
return -EINVAL;
@@ -728,13 +729,11 @@ int ptdev_add_intx_remapping(struct vm *vm, uint8_t virt_pin, uint8_t phys_pin,
return (entry != NULL) ? 0 : -ENODEV;
}
/*
* @pre vm != NULL
*/
void ptdev_remove_intx_remapping(struct vm *vm, uint8_t virt_pin, bool pic_pin)
{
if (vm == NULL) {
pr_err("ptdev_remove_intr_remapping fails!\n");
return;
}
remove_intx_remapping(vm, virt_pin, pic_pin);
}
@@ -759,16 +758,14 @@ int ptdev_add_msix_remapping(struct vm *vm, uint16_t virt_bdf,
return 0;
}
/*
* @pre vm != NULL
*/
void ptdev_remove_msix_remapping(struct vm *vm, uint16_t virt_bdf,
uint32_t vector_count)
{
uint32_t i;
if (vm == NULL) {
pr_err("ptdev_remove_msix_remapping fails!\n");
return;
}
for (i = 0U; i < vector_count; i++) {
remove_msix_remapping(vm, virt_bdf, i);
}