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This fence is used by KFD to keep memory resident while user mode queues are enabled. Trying to evict memory will trigger the enable_signaling callback, which starts a KFD eviction, which involves preempting user mode queues before signaling the fence. There is one such fence per process. v2: * Grab a reference to mm_struct * Dereference fence after NULL check * Simplify fence release, no need to signal without anyone waiting * Added signed-off-by Harish, who is the original author of this code v3: * update MAINTAINERS file * change amd_kfd_ prefix to amdkfd_ * remove useless initialization of variable to NULL v4: * set amdkfd_fence_ops to be static * Suggested by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com> Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com> Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com> |
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| .. | ||
| asic_reg | ||
| ivsrcid | ||
| linux | ||
| amd_acpi.h | ||
| amd_pcie_helpers.h | ||
| amd_pcie.h | ||
| amd_shared.h | ||
| atom-bits.h | ||
| atom-names.h | ||
| atom-types.h | ||
| atombios.h | ||
| atomfirmware.h | ||
| atomfirmwareid.h | ||
| cgs_common.h | ||
| cgs_linux.h | ||
| cik_structs.h | ||
| displayobject.h | ||
| dm_pp_interface.h | ||
| kgd_kfd_interface.h | ||
| kgd_pp_interface.h | ||
| pptable.h | ||
| soc15_hw_ip.h | ||
| v9_structs.h | ||
| vega10_enum.h | ||
| vega10_ip_offset.h | ||
| vi_structs.h | ||