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Debug.isVmapStack reads kernel configs only am: 85429d850f

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Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1369185

Change-Id: I5940c6fdbd3a973a4da9f00d5d8e0617239b8c10
This commit is contained in:
Yifan Hong
2020-07-22 20:22:12 +00:00
committed by Automerger Merge Worker
parent 612715dbab 85429d850f
commit 77ac6b7dc4
1 changed files with 5 additions and 2 deletions
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7
core/jni/android_os_Debug.cpp
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@@ -846,8 +846,11 @@ static jboolean android_os_Debug_isVmapStack(JNIEnv *env, jobject clazz)
} cfg_state = CONFIG_UNKNOWN;
if (cfg_state == CONFIG_UNKNOWN) {
const std::map<std::string, std::string> configs =
vintf::VintfObject::GetInstance()->getRuntimeInfo()->kernelConfigs();
auto runtime_info = vintf::VintfObject::GetInstance()
->getRuntimeInfo(false /* skip cache */,
vintf::RuntimeInfo::FetchFlag::CONFIG_GZ);
CHECK(runtime_info != nullptr) << "Kernel configs cannot be fetched. b/151092221";
const std::map<std::string, std::string>& configs = runtime_info->kernelConfigs();
std::map<std::string, std::string>::const_iterator it = configs.find("CONFIG_VMAP_STACK");
cfg_state = (it != configs.end() && it->second == "y") ? CONFIG_SET : CONFIG_UNSET;
}