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Remove the printf prompt in idle task.

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A cprintf could increase 96+ bytes of stack usage and may overflow
the stack of idle task, which is 256 bytes on stm32.

BUG=chrome-os-partner:23982
BRANCH=nyan
TEST=verified on nyan

Change-Id: If96a1c51010116a2b4f3d67481ec0acc7bf78dd9
Signed-off-by: Louis Yung-Chieh Lo <yjlou@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/176619
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
This commit is contained in:
Louis Yung-Chieh Lo
2013-11-13 12:30:00 -08:00
committed by chrome-internal-fetch
parent bec6b5c93c
commit d44932402a
1 changed files with 0 additions and 7 deletions
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7
core/cortex-m/task.c
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@@ -64,13 +64,6 @@ extern int __task_start(int *task_stack_ready);
/* Idle task. Executed when no tasks are ready to be scheduled. */
void __idle(void)
{
/*
* Print when the idle task starts. This is the lowest priority task,
* so this only starts once all other tasks have gotten a chance to do
* their task inits and have gone to sleep.
*/
cprintf(CC_TASK, "[%T idle task started]\n");
while (1) {
/*
* Wait for the next irq event. This stops the CPU clock