NVIDIA/open-gpu-kernel-modules
1
0
Fork 0
mirror of https://github.com/NVIDIA/open-gpu-kernel-modules.git synced 2026-01-31 05:29:47 +00:00
Code Issues Packages Projects Releases Wiki Activity

550.54.14

Browse Source
This commit is contained in:
Bernhard Stoeckner
2024-02-23 16:37:56 +01:00
parent 91676d6628
commit 476bd34534
186 changed files with 42509 additions and 37629 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
kernel-open/nvidia-uvm/uvm_linux.h
View File

@@ -114,6 +114,16 @@ static inline const struct cpumask *uvm_cpumask_of_node(int node)
#define UVM_IS_CONFIG_HMM() 0
#endif
// ATS prefetcher uses hmm_range_fault() to query residency information.
// hmm_range_fault() needs CONFIG_HMM_MIRROR. To detect racing CPU invalidates
// of memory regions while hmm_range_fault() is being called, MMU interval
// notifiers are needed.
#if defined(CONFIG_HMM_MIRROR) && defined(NV_MMU_INTERVAL_NOTIFIER)
#define UVM_HMM_RANGE_FAULT_SUPPORTED() 1
#else
#define UVM_HMM_RANGE_FAULT_SUPPORTED() 0
#endif
// Various issues prevent us from using mmu_notifiers in older kernels. These
// include:
// - ->release being called under RCU instead of SRCU: fixed by commit