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Jacek Lawrynowicz 94c56e7f63 accel/ivpu: Rework bind/unbind of imported buffers 
[ Upstream commit e0c0891cd6 ]

Ensure that imported buffers are properly mapped and unmapped in
the same way as regular buffers to properly handle buffers during
device's bind and unbind operations to prevent resource leaks and
inconsistent buffer states.

Imported buffers are now dma_mapped before submission and
dma_unmapped in ivpu_bo_unbind(), guaranteeing they are unmapped
when the device is unbound.

Add also imported buffers to vdev->bo_list for consistent unmapping
on device unbind. The bo->ctx_id is set in open() so imported
buffers have a valid context ID.

Debug logs have been updated to match the new code structure.
The function ivpu_bo_pin() has been renamed to ivpu_bo_bind()
to better reflect its purpose, and unbind tests have been refactored
for improved coverage and clarity.

Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Signed-off-by: Maciej Falkowski <maciej.falkowski@linux.intel.com>
Reviewed-by: Karol Wachowski <karol.wachowski@linux.intel.com>
Signed-off-by: Karol Wachowski <karol.wachowski@linux.intel.com>
Link: https://lore.kernel.org/r/20250925145059.1446243-1-maciej.falkowski@linux.intel.com
Stable-dep-of: 8b694b405a ("accel/ivpu: Fix page fault in ivpu_bo_unbind_all_bos_from_context()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-12-18 14:02:26 +01:00
arch KVM: SVM: Don't skip unrelated instruction if INT3/INTO is replaced 2025-12-12 18:42:45 +01:00
block vfs-6.18-rc7.fixes 2025-11-17 09:11:27 -08:00
certs sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3 2024-09-20 19:52:48 +03:00
crypto crypto: zstd - fix double-free in per-CPU stream cleanup 2025-12-12 18:42:45 +01:00
Documentation smack: fix bug: setting task label silently ignores input garbage 2025-12-18 14:02:25 +01:00
drivers accel/ivpu: Rework bind/unbind of imported buffers 2025-12-18 14:02:26 +01:00
fs ext4: add i_data_sem protection in ext4_destroy_inline_data_nolock() 2025-12-12 18:42:45 +01:00
include Char/Misc/IIO fixes for 6.18-rc8 2025-11-28 09:44:48 -08:00
init printk changes for 6.18 2025-10-04 11:13:11 -07:00
io_uring io_uring: fix mixed cqe overflow handling 2025-11-25 07:03:45 -07:00
ipc namespace-6.18-rc1 2025-09-29 11:20:29 -07:00
kernel locking/spinlock/debug: Fix data-race in do_raw_write_lock 2025-12-12 18:42:45 +01:00
lib Increase the default 32-bit build frame size warning limit to 1280 bytes 2025-11-26 12:11:28 -08:00
LICENSES LICENSES: Replace the obsolete address of the FSF in the GFDL-1.2 2025-07-24 11:15:39 +02:00
mm 8 hotfixes. 4 are cc:stable, 7 are against mm/. 2025-11-26 12:38:05 -08:00
net A patch to make sparse read handling work in msgr2 secure mode from 2025-11-27 11:11:03 -08:00
rust rust: Add -fno-isolate-erroneous-paths-dereference to bindgen_skip_c_flags 2025-11-10 08:37:06 +08:00
samples samples: work around glibc redefining some of our defines wrong 2025-11-21 09:29:02 -08:00
scripts Rust fixes for v6.18 (2nd) 2025-11-14 15:36:15 -08:00
security smack: fix bug: setting task label silently ignores input garbage 2025-12-18 14:02:25 +01:00
sound ALSA: hda/realtek: Add quirk for HP ProBook 450 G8 2025-11-26 07:26:56 +01:00
tools 8 hotfixes. 4 are cc:stable, 7 are against mm/. 2025-11-26 12:38:05 -08:00
usr gen_init_cpio: Ignore fsync() returning EINVAL on pipes 2025-10-07 09:53:05 -07:00
virt KVM: guest_memfd: Remove bindings on memslot deletion when gmem is dying 2025-11-04 09:16:53 -08:00
.clang-format memblock: drop for_each_free_mem_pfn_range_in_zone_from() 2025-09-14 08:49:03 +03:00
.clippy.toml rust: clean Rust 1.88.0's warning about clippy::disallowed_macros configuration 2025-05-07 00:11:47 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.editorconfig .editorconfig: remove trim_trailing_whitespace option 2024-06-13 16:47:52 +02:00
.get_maintainer.ignore MAINTAINERS: remove Alyssa Rosenzweig 2025-09-18 21:17:31 +02:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore .gitignore: ignore compile_commands.json globally 2025-08-12 15:53:55 -07:00
.mailmap 8 hotfixes. 4 are cc:stable, 7 are against mm/. 2025-11-26 12:38:05 -08:00
.pylintrc tools: docs: parse-headers.py: move it from sphinx dir 2025-08-29 15:54:42 -06:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: mark ISDN subsystem as orphan 2025-10-27 17:49:45 -07:00
Kbuild sched: Make migrate_{en,dis}able() inline 2025-09-25 09:57:16 +02:00
Kconfig io_uring: Rename KConfig to Kconfig 2025-02-19 14:53:27 -07:00
MAINTAINERS soc: fixes for 6.18, part 4 2025-11-28 09:57:31 -08:00
Makefile Linux 6.18.1 2025-12-12 18:42:47 +01:00
README README: Fix spelling 2024-03-18 03:36:32 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.