Re: [PATCH] x86/pci: fix dmar_tbl early_ioremap leak

[Yinghai Lu]

On Wed, Sep 24, 2008 at 11:27 PM, Yinghai Lu <yhlu.kernel@xxxxxxxxx> wrote:
> use early_acpi_os_unmap_memory
>
> Signed-off-by: Yinghai Lu <yhlu.kernel@xxxxxxxxx>
>
> ---
>  drivers/pci/dmar.c |    9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)
>
> Index: linux-2.6/drivers/pci/dmar.c
> ===================================================================
> --- linux-2.6.orig/drivers/pci/dmar.c
> +++ linux-2.6/drivers/pci/dmar.c
> @@ -42,6 +42,7 @@
>  LIST_HEAD(dmar_drhd_units);
>
>  static struct acpi_table_header * __initdata dmar_tbl;
> +static acpi_size __initdata dmar_tbl_size;
>
>  static void __init dmar_register_drhd_unit(struct dmar_drhd_unit *drhd)
>  {
> @@ -296,9 +297,13 @@ static int __init dmar_table_detect(void
>  {
>        acpi_status status = AE_OK;
>
> +       if (dmar_tbl)
> +               early_acpi_os_unmap_memory(dmar_tbl, dmar_tbl_size);
> +

need more work..

YH
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