Hi All,
The commit:
commit 62f65d3cb34a8300bf1e07fc478e03c3c02634d4
Refs: v4.20-rc3-524-g62f65d3cb34a
Author: Felix Kuehling <Felix.Kuehling@xxxxxxx>
AuthorDate: Mon Nov 19 20:05:54 2018 -0500
Commit: Felix Kuehling <Felix.Kuehling@xxxxxxx>
CommitDate: Fri Dec 7 17:17:11 2018 -0500
drm/amdgpu: Add KFD VRAM limit checking
We don't want KFD processes evicting each other over VRAM usage.
Therefore prevent overcommitting VRAM among KFD applications with
a per-GPU limit. Also leave enough room for page tables on top
of the application memory usage.
Signed-off-by: Felix Kuehling <Felix.Kuehling@xxxxxxx>
Reviewed-by: Eric Huang <JinHuiEric.Huang@xxxxxxx>
Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>
Breaks the build if HSA_AMD is not enabled:
scripts/kconfig/conf --syncconfig Kconfig
DESCEND objtool
CALL scripts/checksyscalls.sh
CHK include/generated/compile.h
Building modules, stage 2.
MODPOST 63 modules
Kernel: arch/x86/boot/bzImage is ready (#58)
ERROR: "amdgpu_amdkfd_unreserve_memory_limit"
[drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
make[1]: *** [scripts/Makefile.modpost:92: __modpost] Error 1
make: *** [Makefile:1271: modules] Error 2
This is because the function being used is not included in the build
(the previous function called was part of amdgpu_amdkfd.c which is
unconditionally built).
Cheers,
Tom
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