intel/compute-runtime
1
0
Fork 0
mirror of https://github.com/intel/compute-runtime.git synced 2026-01-09 06:23:01 +08:00
Code Issues Packages Projects Releases Wiki Activity

Broadcast signal to all threads while handling USM pagefault

Browse Source 
Related-To: NEO-4721

Change-Id: I77185f8db2576f626c1b6b5615ab5d8f9b22076f
Signed-off-by: Lukasz Jobczyk <lukasz.jobczyk@intel.com>
This commit is contained in:
Lukasz Jobczyk
2020-07-06 13:09:12 +02:00
committed by sys_ocldev
parent e3ccf19b47
commit 5739d526c4
8 changed files with 122 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
shared/source/page_fault_manager/cpu_page_fault_manager.cpp
View File

@@ -66,6 +66,7 @@ bool PageFaultManager::verifyPageFault(void *ptr) {
auto allocPtr = alloc.first;
auto &pageFaultData = alloc.second;
if (ptr >= allocPtr && ptr < ptrOffset(allocPtr, pageFaultData.size)) {
this->broadcastWaitSignal();
this->allowCPUMemoryAccess(allocPtr, pageFaultData.size);
this->setAubWritable(true, allocPtr, pageFaultData.unifiedMemoryManager);
this->transferToCpu(allocPtr, pageFaultData.size, pageFaultData.cmdQ);
@@ -81,4 +82,9 @@ void PageFaultManager::setAubWritable(bool writable, void *ptr, SVMAllocsManager
auto gpuAlloc = unifiedMemoryManager->getSVMAlloc(ptr)->gpuAllocations.getDefaultGraphicsAllocation();
gpuAlloc->setAubWritable(writable, GraphicsAllocation::allBanks);
}
void PageFaultManager::waitForCopy() {
std::unique_lock<SpinLock> lock{mtx};
}
} // namespace NEO