lkml.org 
[lkml]   [2018]   [Apr]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
SubjectRe: [PATCH v8 04/13] arm64/acpi: Create arch specific cpu to acpi id helper
From
Date


On 26/04/18 00:31, Jeremy Linton wrote:
> Its helpful to be able to lookup the acpi_processor_id associated
> with a logical cpu. Provide an arm64 helper to do this.
>

As I pointed out in the earlier version, this patch is not required.
The acpi_id stored in the acpi_processor can be used for this.
Won't the below change make it work ? I can't think of any reason why it
shouldn't.

Regards,
Sudeep

-->8

diff --git i/drivers/acpi/pptt.c w/drivers/acpi/pptt.c
index 0fc4b2654665..f421f58b4ae6 100644
--- i/drivers/acpi/pptt.c
+++ w/drivers/acpi/pptt.c
@@ -432,7 +432,7 @@ static void cache_setup_acpi_cpu(struct
acpi_table_header *table,
{
struct acpi_pptt_cache *found_cache;
struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu);
- u32 acpi_cpu_id = get_acpi_id_for_cpu(cpu);
+ u32 acpi_cpu_id = per_cpu(processors, cpu)->acpi_id;
struct cacheinfo *this_leaf;
unsigned int index = 0;
struct acpi_pptt_processor *cpu_node = NULL;
\
 
 \ /
  Last update: 2018-04-26 12:28    [W:1.004 / U:0.892 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site