gpu: nova-core: use lifetime for Bar

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Take advantage of the lifetime-parameterized pci::Bar<'bound> to hold
the BAR mapping directly in NovaCore<'bound>, and pass a borrowed
reference to Gpu<'bound>.

This eliminates the Arc<Devres<Bar0>> indirection, removes runtime
revocation checks for BAR access, and simplifies Gpu::unbind().

Reviewed-by: Eliot Courtney <ecourtney@nvidia.com>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Tested-by: Alexandre Courbot <acourbot@nvidia.com>
Link: https://patch.msgid.link/20260525225838.276108-2-dakr@kernel.org
Signed-off-by: Danilo Krummrich <dakr@kernel.org>

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Danilo Krummrich 2026-05-26 00:58:29 +02:00

parent a3e50e7279

commit 88b70f5a05

2 changed files with 28 additions and 37 deletions

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32

drivers/gpu/nova-core/driver.rs

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33

drivers/gpu/nova-core/gpu.rs

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