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sched/mqueue: Make the pre-allocated irq messages configurable

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the message can't be dynamically allocated in any irq handler
so it's important to let the user extend the number as needed

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Change-Id: Ia26584c3815bac6cf24de4c88be0844ac8e8fba2
This commit is contained in:
Xiang Xiao 2020-12-14 15:42:22 +08:00 committed by Abdelatif Guettouche
parent 9ea229cea0
commit c079760777
3 changed files with 7 additions and 7 deletions
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6
sched/Kconfig
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@ -1536,6 +1536,12 @@ config PREALLOC_MQ_MSGS
The number of pre-allocated message structures. The system manages
a pool of preallocated message structures to minimize dynamic allocations
config PREALLOC_MQ_IRQ_MSGS
int "Number of pre-allocated irq messages"
default 8
---help---
The number of pre-allocated irq message structures.
config MQ_MAXMSGSIZE
int "Maximum message size"
default 32

2
sched/mqueue/mq_initialize.c
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@ -168,7 +168,7 @@ void nxmq_initialize(void)
*/
g_msgfreeirqalloc =
mq_msgblockalloc(&g_msgfreeirq, NUM_INTERRUPT_MSGS,
mq_msgblockalloc(&g_msgfreeirq, CONFIG_PREALLOC_MQ_IRQ_MSGS,
MQ_ALLOC_IRQ);
/* Allocate a block of message queue descriptors */

6
sched/mqueue/mqueue.h
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@ -53,12 +53,6 @@
#define NUM_MSG_DESCRIPTORS 4
/* This defines the number of messages to set aside for exclusive use by
* interrupt handlers
*/
#define NUM_INTERRUPT_MSGS 8
/********************************************************************************
* Public Type Definitions
********************************************************************************/