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[Qemu-devel] [PATCH v2 43/45] ivshmem: remove EventfdEntry.vector
From: |
Marc-André Lureau |
Subject: |
[Qemu-devel] [PATCH v2 43/45] ivshmem: remove EventfdEntry.vector |
Date: |
Tue, 28 Jul 2015 02:32:55 +0200 |
No need to store an extra int for which vector number it is when it can
be computed by looking at the array position.
Signed-off-by: Marc-André Lureau <address@hidden>
---
hw/misc/ivshmem.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/hw/misc/ivshmem.c b/hw/misc/ivshmem.c
index a150500..83ebeb8 100644
--- a/hw/misc/ivshmem.c
+++ b/hw/misc/ivshmem.c
@@ -68,7 +68,6 @@ typedef struct Peer {
typedef struct EventfdEntry {
PCIDevice *pdev;
- int vector;
} EventfdEntry;
typedef struct IVShmemState {
@@ -288,9 +287,11 @@ 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,
@@ -312,7 +313,6 @@ 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]);
--
2.4.3
- [Qemu-devel] [PATCH v2 35/45] ivshmem: add check on protocol version in QEMU, (continued)
- [Qemu-devel] [PATCH v2 35/45] ivshmem: add check on protocol version in QEMU, Marc-André Lureau, 2015/07/27
- [Qemu-devel] [PATCH v2 36/45] contrib: remove unnecessary strdup(), Marc-André Lureau, 2015/07/27
- [Qemu-devel] [PATCH v2 37/45] msix: implement pba write (but read-only), Marc-André Lureau, 2015/07/27
- [Qemu-devel] [PATCH v2 38/45] qtest: add qtest_add_abrt_handler(), Marc-André Lureau, 2015/07/27
- [Qemu-devel] [PATCH v2 39/45] tests: add ivshmem qtest, Marc-André Lureau, 2015/07/27
- [Qemu-devel] [PATCH v2 40/45] ivshmem: do not keep shm_fd open, Marc-André Lureau, 2015/07/27
- [Qemu-devel] [PATCH v2 41/45] ivshmem: rename ivshmem_get_size/parse_mem_size, Marc-André Lureau, 2015/07/27
- [Qemu-devel] [PATCH v2 42/45] ivshmem: add hostmem backend, Marc-André Lureau, 2015/07/27
- [Qemu-devel] [PATCH v2 43/45] ivshmem: remove EventfdEntry.vector,
Marc-André Lureau <=
- [Qemu-devel] [PATCH v2 44/45] ivshmem: rename MSI eventfd_table, Marc-André Lureau, 2015/07/27
- [Qemu-devel] [PATCH v2 45/45] ivshmem: use kvm irqfd for msi notifications, Marc-André Lureau, 2015/07/27