DMAR interrupt won't be remapped by interrupt remapping hardware,
so directly call native_compose_msi_msg() for DMAR IRQ to compose MSI
message data. This will help to simplify MSI code later.
Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
---
arch/x86/kernel/apic/msi.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/arch/x86/kernel/apic/msi.c b/arch/x86/kernel/apic/msi.c
index 354abd7ef2ad..6aac2ec1b3ef 100644
--- a/arch/x86/kernel/apic/msi.c
+++ b/arch/x86/kernel/apic/msi.c
@@ -396,12 +396,10 @@ static struct irq_chip dmar_msi_type = {
int arch_setup_dmar_msi(unsigned int irq)
{
- int ret;
struct msi_msg msg;
+ struct irq_cfg *cfg = irq_cfg(irq);
- ret = msi_compose_msg(NULL, irq, &msg, -1);
- if (ret < 0)
- return ret;
+ native_compose_msi_msg(NULL, irq, cfg->dest_apicid, &msg, -1);
dmar_msi_write(irq, &msg);
irq_set_chip_and_handler_name(irq, &dmar_msi_type, handle_edge_irq,
"edge");
--
1.7.10.4
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