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| author | Patrick Williams <iawillia@us.ibm.com> | 2011-08-23 15:16:35 -0500 |
|---|---|---|
| committer | A. Patrick Williams III <iawillia@us.ibm.com> | 2011-08-31 13:39:51 -0500 |
| commit | f7b7b56dea28dd69a44a877f7b7073c4496ced9e (patch) | |
| tree | 640fdb38b13df41c5f0835374033d53b21d163ca /src/kernel/cpumgr.C | |
| parent | e6b1dcfdee1467cf7f43b64c8dddb87f13bf2f10 (diff) | |
| download | talos-hostboot-f7b7b56dea28dd69a44a877f7b7073c4496ced9e.tar.gz talos-hostboot-f7b7b56dea28dd69a44a877f7b7073c4496ced9e.zip | |
Ensure scratch operations happen on master core.
Change-Id: I970d645108de041d410599847edce877cb794015
Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/275
Tested-by: Jenkins Server
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
Diffstat (limited to 'src/kernel/cpumgr.C')
| -rw-r--r-- | src/kernel/cpumgr.C | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/src/kernel/cpumgr.C b/src/kernel/cpumgr.C index 3e7a83a38..d8a9960f6 100644 --- a/src/kernel/cpumgr.C +++ b/src/kernel/cpumgr.C @@ -49,6 +49,15 @@ cpu_t* CpuManager::getCurrentCPU() return cv_cpus[getPIR()]; } +cpu_t* CpuManager::getMasterCPU() +{ + for (int i = 0; i < MAXCPUS; i++) + if (cv_cpus[i] != NULL) + if (cv_cpus[i]->master) + return cv_cpus[i]; + return NULL; +} + void CpuManager::init() { // For the initial boot we only want to set up CPU objects for the threads @@ -115,14 +124,14 @@ void CpuManager::startCPU(ssize_t i) // Initialize CPU. cpu->cpu = i; - if (currentCPU) - { - cpu->master = true; - } - else - { - cpu->master = false; - } + if (currentCPU) + { + cpu->master = true; + } + else + { + cpu->master = false; + } cpu->scheduler = &Singleton<Scheduler>::instance(); cpu->scheduler_extra = NULL; cpu->kernel_stack = |
