> From: linux-acpi-owner@xxxxxxxxxxxxxxx
> Sent: Friday, August 02, 2013 8:11 AM
>
> On Thu, 2013-08-01 at 15:06 +0800, Tang Chen wrote:
> > Besides the phys addr of the acpi tables, it will be very convenient if
> > we also have the signature of each table in acpi_gbl_root_table_list at
> > early time. We can find SRAT easily by comparing the signature.
> >
> > This patch alse record signature and some other info in
> > acpi_gbl_root_table_list at early time.
If you have addressed my comments against PATCH 05, you needn't this patch at all.
Thanks and best regards
-Lv
> >
> > Signed-off-by: Tang Chen <tangchen@xxxxxxxxxxxxxx>
> > Reviewed-by: Zhang Yanfei <zhangyanfei@xxxxxxxxxxxxxx>
> > ---
> > drivers/acpi/acpica/tbutils.c | 22 ++++++++++++++++++++++
> > 1 files changed, 22 insertions(+), 0 deletions(-)
> >
> > diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c
>
> Same as patch 5/18. Please change the title to "x86, ACPICA:".
> Added
> Bob.
>
> Thanks,
> -Toshi
>
>
> > index 9d68ffc..5d31887 100644
> > --- a/drivers/acpi/acpica/tbutils.c
> > +++ b/drivers/acpi/acpica/tbutils.c
> > @@ -627,6 +627,7 @@
> acpi_tb_parse_root_table(acpi_physical_address rsdp_address)
> > u32 i;
> > u32 table_count;
> > struct acpi_table_header *table;
> > + struct acpi_table_desc *table_desc;
> > acpi_physical_address address;
> > acpi_physical_address uninitialized_var(rsdt_address);
> > u32 length;
> > @@ -766,6 +767,27 @@
> acpi_tb_parse_root_table(acpi_physical_address rsdp_address)
> > */
> > acpi_os_unmap_memory(table, length);
> >
> > + /*
> > + * Also initialize the table entries here, so that later we can use
> them
> > + * to find SRAT at very eraly time to reserve hotpluggable memory.
> > + */
> > + for (i = 2; i < acpi_gbl_root_table_list.current_table_count; i++) {
> > + table = acpi_os_map_memory(
> > + acpi_gbl_root_table_list.tables[i].address,
> > + sizeof(struct acpi_table_header));
> > + if (!table)
> > + return_ACPI_STATUS(AE_NO_MEMORY);
> > +
> > + table_desc = &acpi_gbl_root_table_list.tables[i];
> > +
> > + table_desc->pointer = NULL;
> > + table_desc->length = table->length;
> > + table_desc->flags = ACPI_TABLE_ORIGIN_MAPPED;
> > + ACPI_MOVE_32_TO_32(table_desc->signature.ascii,
> table->signature);
> > +
> > + acpi_os_unmap_memory(table, sizeof(struct
> acpi_table_header));
> > + }
> > +
> > return_ACPI_STATUS(AE_OK);
> > }
> >
>
>
> --
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