xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

padata: update documentation

Browse Source 
Remove references to unused functions, standardize language, update to
reflect new functionality, migrate to rst format, and fix all kernel-doc
warnings.

Fixes: 815613da6a ("kernel/padata.c: removed unused code")
Signed-off-by: Daniel Jordan <daniel.m.jordan@oracle.com>
Cc: Eric Biggers <ebiggers@kernel.org>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Steffen Klassert <steffen.klassert@secunet.com>
Cc: linux-crypto@vger.kernel.org
Cc: linux-doc@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Daniel Jordan <daniel.m.jordan@oracle.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Daniel Jordan
2019-12-03 14:31:14 -05:00
committed by Herbert Xu
parent 3facced7ae
commit bfcdcef8c8
5 changed files with 198 additions and 161 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
kernel/padata.c
View File

@@ -2,7 +2,7 @@
/*
* padata.c - generic interface to process data streams in parallel
*
* See Documentation/padata.txt for an api documentation.
* See Documentation/core-api/padata.rst for more information.
*
* Copyright (C) 2008, 2009 secunet Security Networks AG
* Copyright (C) 2008, 2009 Steffen Klassert <steffen.klassert@secunet.com>
@@ -99,6 +99,8 @@ static void padata_parallel_worker(struct work_struct *parallel_work)
* The parallelization callback function will run with BHs off.
* Note: Every object which is parallelized by padata_do_parallel
* must be seen by padata_do_serial.
*
* Return: 0 on success or else negative error code.
*/
int padata_do_parallel(struct padata_shell *ps,
struct padata_priv *padata, int *cb_cpu)
@@ -163,14 +165,12 @@ EXPORT_SYMBOL(padata_do_parallel);
/*
* padata_find_next - Find the next object that needs serialization.
*
* Return values are:
*
* A pointer to the control struct of the next object that needs
* serialization, if present in one of the percpu reorder queues.
*
* NULL, if the next object that needs serialization will
* be parallel processed by another cpu and is not yet present in
* the cpu's reorder queue.
* Return:
* * A pointer to the control struct of the next object that needs
* serialization, if present in one of the percpu reorder queues.
* * NULL, if the next object that needs serialization will
* be parallel processed by another cpu and is not yet present in
* the cpu's reorder queue.
*/
static struct padata_priv *padata_find_next(struct parallel_data *pd,
bool remove_object)
@@ -582,13 +582,14 @@ out_replace:
}
/**
* padata_set_cpumask: Sets specified by @cpumask_type cpumask to the value
* equivalent to @cpumask.
*
* padata_set_cpumask - Sets specified by @cpumask_type cpumask to the value
* equivalent to @cpumask.
* @pinst: padata instance
* @cpumask_type: PADATA_CPU_SERIAL or PADATA_CPU_PARALLEL corresponding
* to parallel and serial cpumasks respectively.
* @cpumask: the cpumask to use
*
* Return: 0 on success or negative error code
*/
int padata_set_cpumask(struct padata_instance *pinst, int cpumask_type,
cpumask_var_t cpumask)
@@ -626,6 +627,8 @@ EXPORT_SYMBOL(padata_set_cpumask);
* padata_start - start the parallel processing
*
* @pinst: padata instance to start
*
* Return: 0 on success or negative error code
*/
int padata_start(struct padata_instance *pinst)
{
@@ -880,6 +883,8 @@ static struct kobj_type padata_attr_type = {
* @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,
@@ -967,6 +972,8 @@ err:
* 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)
{
@@ -977,7 +984,7 @@ EXPORT_SYMBOL(padata_alloc_possible);
/**
* padata_free - free a padata instance
*
* @padata_inst: padata instance to free
* @pinst: padata instance to free
*/
void padata_free(struct padata_instance *pinst)
{
@@ -989,6 +996,8 @@ EXPORT_SYMBOL(padata_free);
* padata_alloc_shell - Allocate and initialize padata shell.
*
* @pinst: Parent padata_instance object.
*
* Return: new shell on success, NULL on error
*/
struct padata_shell *padata_alloc_shell(struct padata_instance *pinst)
{