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ivshmem: remove EventfdEntry.vector 

No need to store an extra int for the vector number when it can be
computed easily by looking at the position in the array.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Claudio Fontana <claudio.fontana@huawei.com>
This commit is contained in:
Marc-André Lureau 2015-07-24 18:52:19 +02:00
parent d9453c93fe
commit d160f3f791
1 changed files with 4 additions and 4 deletions
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8
hw/misc/ivshmem.c
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@ -68,7 +68,6 @@ typedef struct Peer {
typedef struct EventfdEntry {
PCIDevice *pdev;
int vector;
} EventfdEntry;
typedef struct IVShmemState {
@ -287,9 +286,11 @@ static void fake_irqfd(void *opaque, const uint8_t *buf, int size) {
EventfdEntry *entry = opaque;
PCIDevice *pdev = entry->pdev;
IVShmemState *s = IVSHMEM(pdev);
int vector = entry - s->eventfd_table;
IVSHMEM_DPRINTF("interrupt on vector %p %d\n", pdev, entry->vector);
msix_notify(pdev, entry->vector);
IVSHMEM_DPRINTF("interrupt on vector %p %d\n", pdev, vector);
msix_notify(pdev, vector);
}
static CharDriverState* create_eventfd_chr_device(void * opaque, EventNotifier *n,
@ -311,7 +312,6 @@ static CharDriverState* create_eventfd_chr_device(void * opaque, EventNotifier *
/* if MSI is supported we need multiple interrupts */
if (ivshmem_has_feature(s, IVSHMEM_MSI)) {
s->eventfd_table[vector].pdev = PCI_DEVICE(s);
s->eventfd_table[vector].vector = vector;
qemu_chr_add_handlers(chr, ivshmem_can_receive, fake_irqfd,
ivshmem_event, &s->eventfd_table[vector]);