[PATCH 5/6] padata: fold padata_alloc_possible() into padata_alloc()

From: Daniel Jordan
Date: Tue Jul 14 2020 - 16:16:22 EST


There's no reason to have two interfaces when there's only one caller.
Removing _possible saves text and simplifies future changes.

Signed-off-by: Daniel Jordan <daniel.m.jordan@xxxxxxxxxx>
Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Cc: Steffen Klassert <steffen.klassert@xxxxxxxxxxx>
Cc: linux-crypto@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
Documentation/core-api/padata.rst | 2 +-
crypto/pcrypt.c | 2 +-
include/linux/padata.h | 2 +-
kernel/padata.c | 33 +++++--------------------------
4 files changed, 8 insertions(+), 31 deletions(-)

diff --git a/Documentation/core-api/padata.rst b/Documentation/core-api/padata.rst
index 771d50330e5b5..35175710b43cc 100644
--- a/Documentation/core-api/padata.rst
+++ b/Documentation/core-api/padata.rst
@@ -27,7 +27,7 @@ padata_instance structure for overall control of how jobs are to be run::

#include <linux/padata.h>

- struct padata_instance *padata_alloc_possible(const char *name);
+ struct padata_instance *padata_alloc(const char *name);

'name' simply identifies the instance.

diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c
index 7374dfecaf70f..812892732a5e5 100644
--- a/crypto/pcrypt.c
+++ b/crypto/pcrypt.c
@@ -320,7 +320,7 @@ static int pcrypt_init_padata(struct padata_instance **pinst, const char *name)
{
int ret = -ENOMEM;

- *pinst = padata_alloc_possible(name);
+ *pinst = padata_alloc(name);
if (!*pinst)
return ret;

diff --git a/include/linux/padata.h b/include/linux/padata.h
index a941b96b7119e..070a7d43e8af8 100644
--- a/include/linux/padata.h
+++ b/include/linux/padata.h
@@ -192,7 +192,7 @@ extern void __init padata_init(void);
static inline void __init padata_init(void) {}
#endif

-extern struct padata_instance *padata_alloc_possible(const char *name);
+extern struct padata_instance *padata_alloc(const char *name);
extern void padata_free(struct padata_instance *pinst);
extern struct padata_shell *padata_alloc_shell(struct padata_instance *pinst);
extern void padata_free_shell(struct padata_shell *ps);
diff --git a/kernel/padata.c b/kernel/padata.c
index 4f0a57e5738c9..1c0b97891edb8 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -979,18 +979,12 @@ static struct kobj_type padata_attr_type = {
};

/**
- * padata_alloc - allocate and initialize a padata instance and specify
- * cpumasks for serial and parallel workers.
- *
+ * padata_alloc - allocate and initialize a padata instance
* @name: used to identify the instance
- * @pcpumask: cpumask that will be used for padata parallelization
- * @cbcpumask: cpumask that will be used for padata serialization
*
* Return: new instance on success, NULL on error
*/
-static struct padata_instance *padata_alloc(const char *name,
- const struct cpumask *pcpumask,
- const struct cpumask *cbcpumask)
+struct padata_instance *padata_alloc(const char *name)
{
struct padata_instance *pinst;

@@ -1016,14 +1010,11 @@ static struct padata_instance *padata_alloc(const char *name,
free_cpumask_var(pinst->cpumask.pcpu);
goto err_free_serial_wq;
}
- if (!padata_validate_cpumask(pinst, pcpumask) ||
- !padata_validate_cpumask(pinst, cbcpumask))
- goto err_free_masks;

INIT_LIST_HEAD(&pinst->pslist);

- cpumask_copy(pinst->cpumask.pcpu, pcpumask);
- cpumask_copy(pinst->cpumask.cbcpu, cbcpumask);
+ cpumask_copy(pinst->cpumask.pcpu, cpu_possible_mask);
+ cpumask_copy(pinst->cpumask.cbcpu, cpu_possible_mask);

if (padata_setup_cpumasks(pinst))
goto err_free_masks;
@@ -1057,21 +1048,7 @@ static struct padata_instance *padata_alloc(const char *name,
err:
return NULL;
}
-
-/**
- * padata_alloc_possible - Allocate and initialize padata instance.
- * Use the cpu_possible_mask for serial and
- * parallel workers.
- *
- * @name: used to identify the instance
- *
- * Return: new instance on success, NULL on error
- */
-struct padata_instance *padata_alloc_possible(const char *name)
-{
- return padata_alloc(name, cpu_possible_mask, cpu_possible_mask);
-}
-EXPORT_SYMBOL(padata_alloc_possible);
+EXPORT_SYMBOL(padata_alloc);

/**
* padata_free - free a padata instance
--
2.27.0