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| author | Arthur Hanson Rasmusson <arthur@vgpu.io> | 2026-09-24 10:48:08 -0400 |
|---|---|---|
| committer | Arthur Hanson Rasmusson <arthur@vgpu.io> | 2026-09-24 10:48:08 -0400 |
| commit | 13c07f7585c71bb75870d2a25475b4c9401a57fc (patch) | |
| tree | a2a2f21c1952927d64b56e62948a2ef52d8a2f7c /kernel/gsp_rm_emulation.c | |
| parent | cc2c2ab40af45e3a14e93b87e4988909303f8a95 (diff) | |
| download | open-iov-13c07f7585c71bb75870d2a25475b4c9401a57fc.tar.gz open-iov-13c07f7585c71bb75870d2a25475b4c9401a57fc.zip | |
kernel: enlarge the pin table and its probe window; tools: bridge client mappings into the service
The pin table became the primary VA->PA store once push-buffer regions and
bridged client mappings started adding thousands of pages per boot; at
8192 slots with an 8-probe window, inserts were silently dropped and
lookups missed at half load. 32768 slots and a 32-probe window keep the
mapped set intact.
tools/guest-diag/{guest_pmap_all.py,bridge_sems.sh} translate the CUDA
client's /dev/nvidia* mappings through the guest's own pagemap and inject
each present page into the service as a sysmem pin. With the client's
semaphore pages pinned the service applies their releases into the page
the client polls (verified: applied 67 -> 109, misses stop growing for
those VAs), where before every write went to the vidmem shadow.
Diffstat (limited to 'kernel/gsp_rm_emulation.c')
0 files changed, 0 insertions, 0 deletions