diff mbox series

[v3,4/6] acpi: Break out nesting for hmat_parse_locality()

Message ID 168686424781.2950427.15323220900348586144.stgit@djiang5-mobl3
State Superseded
Headers show
Series acpi: numa: add target support for generic port to HMAT parsing | expand

Commit Message

Dave Jiang June 15, 2023, 9:24 p.m. UTC
Refactor hmat_parse_locality() to break up the deep nesting of the
function.

Suggested-by: Jonathan Cameron <Jonathan.Cameron@Huawei.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
---
 drivers/acpi/numa/hmat.c |   32 ++++++++++++++++++++------------
 1 file changed, 20 insertions(+), 12 deletions(-)

Comments

Jonathan Cameron June 22, 2023, 1:40 p.m. UTC | #1
On Thu, 15 Jun 2023 14:24:07 -0700
Dave Jiang <dave.jiang@intel.com> wrote:

> Refactor hmat_parse_locality() to break up the deep nesting of the
> function.
> 
> Suggested-by: Jonathan Cameron <Jonathan.Cameron@Huawei.com>
> Signed-off-by: Dave Jiang <dave.jiang@intel.com>

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

> ---
>  drivers/acpi/numa/hmat.c |   32 ++++++++++++++++++++------------
>  1 file changed, 20 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/acpi/numa/hmat.c b/drivers/acpi/numa/hmat.c
> index e2ab1cce0add..cb240f5233fe 100644
> --- a/drivers/acpi/numa/hmat.c
> +++ b/drivers/acpi/numa/hmat.c
> @@ -320,11 +320,28 @@ static __init void hmat_add_locality(struct acpi_hmat_locality *hmat_loc)
>  	}
>  }
>  
> +static __init void hmat_update_target(unsigned int tgt_pxm, unsigned int init_pxm,
> +				      u8 mem_hier, u8 type, u32 value)
> +{
> +	struct memory_target *target = find_mem_target(tgt_pxm);
> +
> +	if (mem_hier != ACPI_HMAT_MEMORY)
> +		return;
> +
> +	if (target && target->processor_pxm == init_pxm) {
> +		hmat_update_target_access(target, type, value,
> +					  NODE_ACCESS_CLASS_0);
> +		/* If the node has a CPU, update access 1 */
> +		if (node_state(pxm_to_node(init_pxm), N_CPU))
> +			hmat_update_target_access(target, type, value,
> +						  NODE_ACCESS_CLASS_1);
> +	}
> +}
> +
>  static __init int hmat_parse_locality(union acpi_subtable_headers *header,
>  				      const unsigned long end)
>  {
>  	struct acpi_hmat_locality *hmat_loc = (void *)header;
> -	struct memory_target *target;
>  	unsigned int init, targ, total_size, ipds, tpds;
>  	u32 *inits, *targs, value;
>  	u16 *entries;
> @@ -365,17 +382,8 @@ static __init int hmat_parse_locality(union acpi_subtable_headers *header,
>  				inits[init], targs[targ], value,
>  				hmat_data_type_suffix(type));
>  
> -			if (mem_hier == ACPI_HMAT_MEMORY) {
> -				target = find_mem_target(targs[targ]);
> -				if (target && target->processor_pxm == inits[init]) {
> -					hmat_update_target_access(target, type, value,
> -								  NODE_ACCESS_CLASS_0);
> -					/* If the node has a CPU, update access 1 */
> -					if (node_state(pxm_to_node(inits[init]), N_CPU))
> -						hmat_update_target_access(target, type, value,
> -									  NODE_ACCESS_CLASS_1);
> -				}
> -			}
> +			hmat_update_target(targs[targ], inits[init],
> +					   mem_hier, type, value);
>  		}
>  	}
>  
> 
> 
>
diff mbox series

Patch

diff --git a/drivers/acpi/numa/hmat.c b/drivers/acpi/numa/hmat.c
index e2ab1cce0add..cb240f5233fe 100644
--- a/drivers/acpi/numa/hmat.c
+++ b/drivers/acpi/numa/hmat.c
@@ -320,11 +320,28 @@  static __init void hmat_add_locality(struct acpi_hmat_locality *hmat_loc)
 	}
 }
 
+static __init void hmat_update_target(unsigned int tgt_pxm, unsigned int init_pxm,
+				      u8 mem_hier, u8 type, u32 value)
+{
+	struct memory_target *target = find_mem_target(tgt_pxm);
+
+	if (mem_hier != ACPI_HMAT_MEMORY)
+		return;
+
+	if (target && target->processor_pxm == init_pxm) {
+		hmat_update_target_access(target, type, value,
+					  NODE_ACCESS_CLASS_0);
+		/* If the node has a CPU, update access 1 */
+		if (node_state(pxm_to_node(init_pxm), N_CPU))
+			hmat_update_target_access(target, type, value,
+						  NODE_ACCESS_CLASS_1);
+	}
+}
+
 static __init int hmat_parse_locality(union acpi_subtable_headers *header,
 				      const unsigned long end)
 {
 	struct acpi_hmat_locality *hmat_loc = (void *)header;
-	struct memory_target *target;
 	unsigned int init, targ, total_size, ipds, tpds;
 	u32 *inits, *targs, value;
 	u16 *entries;
@@ -365,17 +382,8 @@  static __init int hmat_parse_locality(union acpi_subtable_headers *header,
 				inits[init], targs[targ], value,
 				hmat_data_type_suffix(type));
 
-			if (mem_hier == ACPI_HMAT_MEMORY) {
-				target = find_mem_target(targs[targ]);
-				if (target && target->processor_pxm == inits[init]) {
-					hmat_update_target_access(target, type, value,
-								  NODE_ACCESS_CLASS_0);
-					/* If the node has a CPU, update access 1 */
-					if (node_state(pxm_to_node(inits[init]), N_CPU))
-						hmat_update_target_access(target, type, value,
-									  NODE_ACCESS_CLASS_1);
-				}
-			}
+			hmat_update_target(targs[targ], inits[init],
+					   mem_hier, type, value);
 		}
 	}