* [PATCH] acpi: add NFIT and HMAT to the initrd override list
@ 2017-12-08 16:29 Dan Williams
2017-12-18 19:54 ` Ross Zwisler
0 siblings, 1 reply; 4+ messages in thread
From: Dan Williams @ 2017-12-08 16:29 UTC (permalink / raw)
To: rafael.j.wysocki; +Cc: linux-acpi, Ross Zwisler, linux-nvdimm
These tables, NFIT and HMAT, are essential for describing
next-generation platform memory topologies and performance
characteristics. Allow them to be overridden for debug and test and
purposes.
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
drivers/acpi/tables.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index 80ce2a7d224b..67a44fd79449 100644
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -456,7 +456,8 @@ static const char * const table_sigs[] = {
ACPI_SIG_SLIC, ACPI_SIG_SPCR, ACPI_SIG_SPMI, ACPI_SIG_TCPA,
ACPI_SIG_UEFI, ACPI_SIG_WAET, ACPI_SIG_WDAT, ACPI_SIG_WDDT,
ACPI_SIG_WDRT, ACPI_SIG_DSDT, ACPI_SIG_FADT, ACPI_SIG_PSDT,
- ACPI_SIG_RSDT, ACPI_SIG_XSDT, ACPI_SIG_SSDT, NULL };
+ ACPI_SIG_RSDT, ACPI_SIG_XSDT, ACPI_SIG_SSDT, ACPI_SIG_NFIT,
+ ACPI_SIG_HMAT, NULL };
#define ACPI_HEADER_SIZE sizeof(struct acpi_table_header)
^ permalink raw reply related [flat|nested] 4+ messages in thread* Re: [PATCH] acpi: add NFIT and HMAT to the initrd override list
2017-12-08 16:29 [PATCH] acpi: add NFIT and HMAT to the initrd override list Dan Williams
@ 2017-12-18 19:54 ` Ross Zwisler
[not found] ` <20171218195405.GA18900-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
0 siblings, 1 reply; 4+ messages in thread
From: Ross Zwisler @ 2017-12-18 19:54 UTC (permalink / raw)
To: Dan Williams; +Cc: rafael.j.wysocki, linux-acpi, Ross Zwisler, linux-nvdimm
On Fri, Dec 08, 2017 at 08:29:25AM -0800, Dan Williams wrote:
> These tables, NFIT and HMAT, are essential for describing
> next-generation platform memory topologies and performance
> characteristics. Allow them to be overridden for debug and test and
> purposes.
>
> Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Yes please! This works in my test setup for inserting custom HMAT tables, and
I would really like to have this for testing my HMAT series:
https://lists.01.org/pipermail/linux-nvdimm/2017-December/013571.html
Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
> ---
> drivers/acpi/tables.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
> index 80ce2a7d224b..67a44fd79449 100644
> --- a/drivers/acpi/tables.c
> +++ b/drivers/acpi/tables.c
> @@ -456,7 +456,8 @@ static const char * const table_sigs[] = {
> ACPI_SIG_SLIC, ACPI_SIG_SPCR, ACPI_SIG_SPMI, ACPI_SIG_TCPA,
> ACPI_SIG_UEFI, ACPI_SIG_WAET, ACPI_SIG_WDAT, ACPI_SIG_WDDT,
> ACPI_SIG_WDRT, ACPI_SIG_DSDT, ACPI_SIG_FADT, ACPI_SIG_PSDT,
> - ACPI_SIG_RSDT, ACPI_SIG_XSDT, ACPI_SIG_SSDT, NULL };
> + ACPI_SIG_RSDT, ACPI_SIG_XSDT, ACPI_SIG_SSDT, ACPI_SIG_NFIT,
> + ACPI_SIG_HMAT, NULL };
>
> #define ACPI_HEADER_SIZE sizeof(struct acpi_table_header)
>
>
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2018-02-22 21:47 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2017-12-08 16:29 [PATCH] acpi: add NFIT and HMAT to the initrd override list Dan Williams
2017-12-18 19:54 ` Ross Zwisler
[not found] ` <20171218195405.GA18900-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2018-02-22 21:12 ` Ross Zwisler
[not found] ` <20180222211224.GA29462-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2018-02-22 21:47 ` Rafael J. Wysocki
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