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[Qemu-devel] [PATCH 16/27] acpi: ich9: allow guest to clear SCI rised by
From: |
Igor Mammedov |
Subject: |
[Qemu-devel] [PATCH 16/27] acpi: ich9: allow guest to clear SCI rised by GPE |
Date: |
Thu, 21 Nov 2013 03:38:37 +0100 |
it fixes IRQ storm since guest isn't able to lower SCI IRQ
after it has been handled when it clears GPE event.
Signed-off-by: Igor Mammedov <address@hidden>
---
hw/acpi/ich9.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/hw/acpi/ich9.c b/hw/acpi/ich9.c
index e59688b..fb88162 100644
--- a/hw/acpi/ich9.c
+++ b/hw/acpi/ich9.c
@@ -61,6 +61,7 @@ static void ich9_gpe_writeb(void *opaque, hwaddr addr,
uint64_t val,
{
ICH9LPCPMRegs *pm = opaque;
acpi_gpe_ioport_writeb(&pm->acpi_regs, addr, val);
+ acpi_update_sci(&pm->acpi_regs, pm->irq, ACPI_MEMORY_HOTPLUG_STATUS);
}
static const MemoryRegionOps ich9_gpe_ops = {
--
1.7.1
[Qemu-devel] [PATCH 12/27] dimm: add hotplug callback to DimmBus, Igor Mammedov, 2013/11/20
[Qemu-devel] [PATCH 14/27] acpi: initialize memory hotplug ACPI PIIX4 hardware, Igor Mammedov, 2013/11/20
[Qemu-devel] [PATCH 15/27] acpi: piix4: add memory-hotplug-io-base property to piix4_pm, Igor Mammedov, 2013/11/20
[Qemu-devel] [PATCH 16/27] acpi: ich9: allow guest to clear SCI rised by GPE,
Igor Mammedov <=
- Re: [Qemu-devel] [PATCH 16/27] acpi: ich9: allow guest to clear SCI rised by GPE, Michael S. Tsirkin, 2013/11/21
- Re: [Qemu-devel] [PATCH 16/27] acpi: ich9: allow guest to clear SCI rised by GPE, Hu Tao, 2013/11/21
- Re: [Qemu-devel] [PATCH 16/27] acpi: ich9: allow guest to clear SCI rised by GPE, Li Guang, 2013/11/21
- Re: [Qemu-devel] [PATCH 16/27] acpi: ich9: allow guest to clear SCI rised by GPE, Michael S. Tsirkin, 2013/11/21
- Re: [Qemu-devel] [PATCH 16/27] acpi: ich9: allow guest to clear SCI rised by GPE, Li Guang, 2013/11/21
- Re: [Qemu-devel] [PATCH 16/27] acpi: ich9: allow guest to clear SCI rised by GPE, Michael S. Tsirkin, 2013/11/21
- Re: [Qemu-devel] [PATCH 16/27] acpi: ich9: allow guest to clear SCI rised by GPE, Li Guang, 2013/11/21
- Re: [Qemu-devel] [PATCH 16/27] acpi: ich9: allow guest to clear SCI rised by GPE, Igor Mammedov, 2013/11/25
- Re: [Qemu-devel] [PATCH 16/27] acpi: ich9: allow guest to clear SCI rised by GPE, Li Guang, 2013/11/25
- Re: [Qemu-devel] [PATCH 16/27] acpi: ich9: allow guest to clear SCI rised by GPE, Igor Mammedov, 2013/11/26