intel/compute-runtime
1
0
Fork 0
mirror of https://github.com/intel/compute-runtime.git synced 2026-01-03 06:49:52 +08:00
Code Issues Packages Projects Releases Wiki Activity

fix: Crash on over memory allocation

Browse Source 
- Add defer backing flag to gem create ioctl
- Make memory resident before lock

Related-To: NEO-13403

Signed-off-by: Bellekallu Rajkiran <bellekallu.rajkiran@intel.com>
This commit is contained in:
Bellekallu Rajkiran
2025-02-03 10:27:00 +00:00
committed by Compute-Runtime-Automation
parent aab1113632
commit 3bef9f886a
9 changed files with 78 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
shared/source/os_interface/linux/xe/ioctl_helper_xe.cpp
View File

@@ -678,6 +678,10 @@ int IoctlHelperXe::createGemExt(const MemRegionsVec &memClassInstances, size_t a
create.placement = static_cast<uint32_t>(memoryInstances.to_ulong());
create.cpu_caching = this->getCpuCachingMode(isCoherent, isSysMemOnly);
if (debugManager.flags.EnableDeferBacking.get()) {
create.flags |= DRM_XE_GEM_CREATE_FLAG_DEFER_BACKING;
}
printDebugString(debugManager.flags.PrintBOCreateDestroyResult.get(), stdout, "Performing DRM_IOCTL_XE_GEM_CREATE with {vmid=0x%x size=0x%lx flags=0x%x placement=0x%x caching=%hu }",
create.vm_id, create.size, create.flags, create.placement, create.cpu_caching);
@@ -720,6 +724,10 @@ uint32_t IoctlHelperXe::createGem(uint64_t size, uint32_t memoryBanks, std::opti
create.placement = static_cast<uint32_t>(memoryInstances.to_ulong());
create.cpu_caching = this->getCpuCachingMode(isCoherent, isSysMemOnly);
if (debugManager.flags.EnableDeferBacking.get()) {
create.flags |= DRM_XE_GEM_CREATE_FLAG_DEFER_BACKING;
}
printDebugString(debugManager.flags.PrintBOCreateDestroyResult.get(), stdout, "Performing DRM_IOCTL_XE_GEM_CREATE with {vmid=0x%x size=0x%lx flags=0x%x placement=0x%x caching=%hu }",
create.vm_id, create.size, create.flags, create.placement, create.cpu_caching);
@@ -1566,6 +1574,14 @@ bool IoctlHelperXe::isImmediateVmBindRequired() const {
return true;
}
bool IoctlHelperXe::makeResidentBeforeLockNeeded() const {
auto makeResidentBeforeLockNeeded = false;
if (debugManager.flags.EnableDeferBacking.get()) {
makeResidentBeforeLockNeeded = true;
}
return makeResidentBeforeLockNeeded;
}
void IoctlHelperXe::insertEngineToContextParams(ContextParamEngines<> &contextParamEngines, uint32_t engineId, const EngineClassInstance *engineClassInstance, uint32_t tileId, bool hasVirtualEngines) {
auto engines = reinterpret_cast<drm_xe_engine_class_instance *>(contextParamEngines.enginesData);
if (engineClassInstance) {