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[Qemu-devel] [PATCH 1/1] msix: correct pba size calculation used for msi
From: |
Dongli Zhang |
Subject: |
[Qemu-devel] [PATCH 1/1] msix: correct pba size calculation used for msix_exclusive_bar initialization |
Date: |
Mon, 17 Dec 2018 07:34:39 +0800 |
The bar_pba_size is more than what the pba is expected to have, although
this usually would not affect the bar_size used for dev->msix_exclusive_bar
initialization.
Signed-off-by: Dongli Zhang <address@hidden>
---
hw/pci/msix.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/pci/msix.c b/hw/pci/msix.c
index 702dac4..234c0a3 100644
--- a/hw/pci/msix.c
+++ b/hw/pci/msix.c
@@ -345,7 +345,7 @@ int msix_init_exclusive_bar(PCIDevice *dev, unsigned short
nentries,
char *name;
uint32_t bar_size = 4096;
uint32_t bar_pba_offset = bar_size / 2;
- uint32_t bar_pba_size = (nentries / 8 + 1) * 8;
+ uint32_t bar_pba_size = QEMU_ALIGN_UP(nentries, 64) / 8;
/*
* Migration compatibility dictates that this remains a 4k
--
2.7.4
- [Qemu-devel] [PATCH 1/1] msix: correct pba size calculation used for msix_exclusive_bar initialization,
Dongli Zhang <=