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David Matlack 6282ca8585 vfio: selftests: Allow passing multiple BDFs on the command line
Add support for passing multiple device BDFs to a test via the command
line. This is a prerequisite for multi-device tests.

Single-device tests can continue using vfio_selftests_get_bdf(), which
will continue to return argv[argc - 1] (if it is a BDF string), or the
environment variable $VFIO_SELFTESTS_BDF otherwise.

For multi-device tests, a new helper called vfio_selftests_get_bdfs() is
introduced which will return an array of all BDFs found at the end of
argv[], as well as the number of BDFs found (passed back to the caller
via argument). The array of BDFs returned does not need to be freed by
the caller.

The environment variable VFIO_SELFTESTS_BDF continues to support only a
single BDF for the time being.

Reviewed-by: Alex Mastro <amastro@fb.com>
Tested-by: Alex Mastro <amastro@fb.com>
Reviewed-by: Raghavendra Rao Ananta <rananta@google.com>
Signed-off-by: David Matlack <dmatlack@google.com>
Link: https://lore.kernel.org/r/20251126231733.3302983-4-dmatlack@google.com
Signed-off-by: Alex Williamson <alex@shazbot.org>
2025-11-28 10:58:06 -07:00
Documentation PCI/P2PDMA: Document DMABUF model 2025-11-20 12:02:09 -07:00
LICENSES LICENSES: Replace the obsolete address of the FSF in the GFDL-1.2 2025-07-24 11:15:39 +02:00
arch Miscellaneous fixes: 2025-11-01 10:20:07 -07:00
block PCI/P2PDMA: Simplify bus address mapping API 2025-11-20 12:01:41 -07:00
certs sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3 2024-09-20 19:52:48 +03:00
crypto This push contains the following changes: 2025-10-10 08:56:16 -07:00
drivers vfio/nvgrace-gpu: wait for the GPU mem to be ready 2025-11-28 10:09:26 -07:00
fs xfs: fixes for v6.18-rc4 2025-11-01 10:04:35 -07:00
include vfio/nvgrace-gpu: wait for the GPU mem to be ready 2025-11-28 10:09:26 -07:00
init printk changes for 6.18 2025-10-04 11:13:11 -07:00
io_uring io_uring: fix buffer auto-commit for multishot uring_cmd 2025-10-23 19:41:31 -06:00
ipc namespace-6.18-rc1 2025-09-29 11:20:29 -07:00
kernel PCI/P2PDMA: Simplify bus address mapping API 2025-11-20 12:01:41 -07:00
lib Second round of Kbuild fixes for 6.19 2025-11-01 10:00:53 -07:00
mm PCI/P2PDMA: Simplify bus address mapping API 2025-11-20 12:01:41 -07:00
net bpf-fixes 2025-10-31 18:22:26 -07:00
rust Driver core fixes for 6.18-rc3 2025-10-25 11:03:46 -07:00
samples vfio: Move the remaining drivers to get_region_info_caps 2025-11-12 15:06:41 -07:00
scripts kconfig/nconf: Initialize the default locale at startup 2025-11-01 00:23:22 -04:00
security integrity-v6.18 2025-10-05 10:48:33 -07:00
sound ASoC: Fixes for v6.18 2025-10-30 13:08:08 +01:00
tools vfio: selftests: Allow passing multiple BDFs on the command line 2025-11-28 10:58:06 -07:00
usr gen_init_cpio: Ignore fsync() returning EINVAL on pipes 2025-10-07 09:53:05 -07:00
virt KVM x86 fixes for 6.18: 2025-10-18 10:25:43 +02:00
.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
.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 linux_kselftest-kunit-fixes-6.18-rc4 2025-10-30 19:11:27 -07:00
.pylintrc tools: docs: parse-headers.py: move it from sphinx dir 2025-08-29 15:54:42 -06:00
.rustfmt.toml
COPYING
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 Second round of Kbuild fixes for 6.19 2025-11-01 10:00:53 -07:00
Makefile Linux 6.18-rc4 2025-11-02 11:28:02 -08:00
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.