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Re: [Qemu-devel] [PATCH 05/11] acpi: ich9: allow guest to clear SCI rise
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] [PATCH 05/11] acpi: ich9: allow guest to clear SCI rised by GPE |
Date: |
Thu, 19 Dec 2013 16:16:58 +0200 |
On Fri, Dec 13, 2013 at 05:22:10PM +0100, Igor Mammedov wrote:
> 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>
Applied, thanks.
> ---
> hw/acpi/ich9.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/hw/acpi/ich9.c b/hw/acpi/ich9.c
> index dcdef7c..30f0df8 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);
> }
>
> static const MemoryRegionOps ich9_gpe_ops = {
> --
> 1.8.3.1
- Re: [Qemu-devel] [PATCH 09/11] ACPI: move PRST OperationRegion into SSDT, (continued)
- [Qemu-devel] [PATCH 07/11] ACPI: Q35 DSDT: fix CPU hotplug GPE0.2 handler, Igor Mammedov, 2013/12/13
- [Qemu-devel] [PATCH 11/11] ACPI: update ssdt-misc.hex.generated acpi-dsdt.hex.generated q35-acpi-dsdt.hex.generated, Igor Mammedov, 2013/12/13
- [Qemu-devel] [PATCH 03/11] acpi: factor out common cpu hotplug code for PIIX4/Q35, Igor Mammedov, 2013/12/13
- [Qemu-devel] [PATCH 02/11] acpi: factor out common pm_update_sci() into acpi core, Igor Mammedov, 2013/12/13
- [Qemu-devel] [PATCH 05/11] acpi: ich9: allow guest to clear SCI rised by GPE, Igor Mammedov, 2013/12/13
- Re: [Qemu-devel] [PATCH 05/11] acpi: ich9: allow guest to clear SCI rised by GPE,
Michael S. Tsirkin <=
- [Qemu-devel] [PATCH 10/11] ACPI: set CPU hotplug io base dynamically, Igor Mammedov, 2013/12/13