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Re: [Qemu-devel] [PATCH] hw/acpi: fix GSI links UID
From: |
Igor Mammedov |
Subject: |
Re: [Qemu-devel] [PATCH] hw/acpi: fix GSI links UID |
Date: |
Mon, 14 Mar 2016 10:43:57 +0100 |
On Sun, 13 Mar 2016 13:40:29 +0200
Marcel Apfelbaum <address@hidden> wrote:
> According to the ACPI spec, each UID must be unique.
> Use the irq number as UID for GSI links.
>
> Suggested-by: Michael S. Tsirkin <address@hidden>
> Signed-off-by: Marcel Apfelbaum <address@hidden>
> ---
>
> Hi,
>
> This patch was tested with Windows XP/2003/2012R2/7/10 and Fedora.
tested it with RHEL6/7
Reviewed-by: Igor Mammedov <address@hidden>
>
> Thanks,
> Marcel
>
> hw/i386/acpi-build.c | 20 ++++++++------------
> 1 file changed, 8 insertions(+), 12 deletions(-)
>
> diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
> index adbf354..83e031d 100644
> --- a/hw/i386/acpi-build.c
> +++ b/hw/i386/acpi-build.c
> @@ -1748,18 +1748,14 @@ static void build_q35_pci0_int(Aml *table)
> aml_append(sb_scope, build_link_dev("LNKG", 6, aml_name("PRQG")));
> aml_append(sb_scope, build_link_dev("LNKH", 7, aml_name("PRQH")));
>
> - /*
> - * TODO: UID probably shouldn't be the same for GSIx devices
> - * but that's how it was in original ASL so keep it for now
> - */
> - aml_append(sb_scope, build_gsi_link_dev("GSIA", 0, 0x10));
> - aml_append(sb_scope, build_gsi_link_dev("GSIB", 0, 0x11));
> - aml_append(sb_scope, build_gsi_link_dev("GSIC", 0, 0x12));
> - aml_append(sb_scope, build_gsi_link_dev("GSID", 0, 0x13));
> - aml_append(sb_scope, build_gsi_link_dev("GSIE", 0, 0x14));
> - aml_append(sb_scope, build_gsi_link_dev("GSIF", 0, 0x15));
> - aml_append(sb_scope, build_gsi_link_dev("GSIG", 0, 0x16));
> - aml_append(sb_scope, build_gsi_link_dev("GSIH", 0, 0x17));
> + aml_append(sb_scope, build_gsi_link_dev("GSIA", 0x10, 0x10));
> + aml_append(sb_scope, build_gsi_link_dev("GSIB", 0x11, 0x11));
> + aml_append(sb_scope, build_gsi_link_dev("GSIC", 0x12, 0x12));
> + aml_append(sb_scope, build_gsi_link_dev("GSID", 0x13, 0x13));
> + aml_append(sb_scope, build_gsi_link_dev("GSIE", 0x14, 0x14));
> + aml_append(sb_scope, build_gsi_link_dev("GSIF", 0x15, 0x15));
> + aml_append(sb_scope, build_gsi_link_dev("GSIG", 0x16, 0x16));
> + aml_append(sb_scope, build_gsi_link_dev("GSIH", 0x17, 0x17));
>
> aml_append(table, sb_scope);
> }