Add marco for big-endian machine.(Untested!)
Signed-off-by: Sheng Yang <sheng@xxxxxxxxxxxxxxx>
---
virt/kvm/assigned-dev.c | 7 ++++---
1 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/virt/kvm/assigned-dev.c b/virt/kvm/assigned-dev.c
index 3010d7d..15b5f74 100644
--- a/virt/kvm/assigned-dev.c
+++ b/virt/kvm/assigned-dev.c
@@ -848,9 +848,9 @@ static int msix_mmio_read(struct kvm_io_device *this, gpa_t addr, int len,
idx = (addr - adev->msix_mmio_base) / PCI_MSIX_ENTRY_SIZE;
if ((addr % PCI_MSIX_ENTRY_SIZE) ==
PCI_MSIX_ENTRY_VECTOR_CTRL)
- *(unsigned long *)val =
+ *(unsigned long *)val = le32_to_cpu(
test_bit(idx, adev->msix_mask_bitmap) ?
- PCI_MSIX_ENTRY_CTRL_MASKBIT : 0;
+ PCI_MSIX_ENTRY_CTRL_MASKBIT : 0);
else
r = -EOPNOTSUPP;
goto out;
@@ -869,6 +869,7 @@ static int msix_mmio_read(struct kvm_io_device *this, gpa_t addr, int len,
adev->msix_mask_bitmap);
memcpy(val, &entry[addr % PCI_MSIX_ENTRY_SIZE / sizeof *entry], len);
+ *(unsigned long *)val = le32_to_cpu(*(unsigned long *)val);
out:
mutex_unlock(&adev->kvm->lock);
return r;
@@ -881,7 +882,7 @@ static int msix_mmio_write(struct kvm_io_device *this, gpa_t addr, int len,
container_of(this, struct kvm_assigned_dev_kernel,
msix_mmio_dev);
int idx, r = 0;
- unsigned long new_val = *(unsigned long *)val;
+ unsigned long new_val = cpu_to_le32(*(unsigned long *)val);
mutex_lock(&adev->kvm->lock);
if (!msix_mmio_in_range(adev, addr, len)) {
--
1.7.0.1
--
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