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add option to disable mwait support

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This commit is contained in:
Stefan Lankes 2017-08-03 11:52:52 +02:00
parent 12306ee73b
commit 029256c2ef
1 changed files with 4 additions and 2 deletions
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6
arch/x86/kernel/tasks.c
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@ -193,9 +193,11 @@ int create_default_frame(task_t* task, entry_point_t ep, void* arg, uint32_t cor
return 0;
}
#define USE_MWAIT
void wait_for_task(void)
{
#if 1
#ifndef USE_MWAIT
HALT;
#else
if (!has_mwait()) {
@ -214,7 +216,7 @@ void wait_for_task(void)
void wakeup_core(uint32_t core_id)
{
#if 0
#ifdef USE_MWAIT
// if mwait is available, an IPI isn't required to wakeup the core
if (has_mwait())
return;