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| author | Zeng Chi <zengchi@kylinos.cn> | 2026-09-21 18:24:42 +0800 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2026-09-22 08:36:16 -0700 |
| commit | 119e9db233ad0f4cbd4cfb9f9385a7bca378b37d (patch) | |
| tree | 660d50d4139cb750fbde1ae3432452c20726c99d /Documentation/admin-guide/LSM/tomoyo.rst | |
| download | linux-stable-119e9db233ad0f4cbd4cfb9f9385a7bca378b37d.tar.gz linux-stable-119e9db233ad0f4cbd4cfb9f9385a7bca378b37d.zip | |
KVM: Don't pre-reserve xarray entries when storing empty/NULL attributesgrafted
Skip the xarray reservation loop when clearing all memory attributes, as
storing NULL only erases the entry and never needs to allocate, so no
reservation (and no cleanup of a failed one) is required in that case.
Suggested-by: Sean Christopherson <seanjc@google.com>
Cc: David Ballesteros <davimaba.v@proton.me>
Signed-off-by: Zeng Chi <zengchi@kylinos.cn>
Link: https://patch.msgid.link/20260921102442.1232375-1-zeng_chi911@163.com
[sean: split to separate patch]
Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'Documentation/admin-guide/LSM/tomoyo.rst')
| -rw-r--r-- | Documentation/admin-guide/LSM/tomoyo.rst | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/Documentation/admin-guide/LSM/tomoyo.rst b/Documentation/admin-guide/LSM/tomoyo.rst new file mode 100644 index 000000000..bdb2c2e2a --- /dev/null +++ b/Documentation/admin-guide/LSM/tomoyo.rst @@ -0,0 +1,52 @@ +====== +TOMOYO +====== + +What is TOMOYO? +=============== + +TOMOYO is a name-based MAC extension (LSM module) for the Linux kernel. + +LiveCD-based tutorials are available at + +https://tomoyo.sourceforge.net/1.8/ubuntu12.04-live.html +https://tomoyo.sourceforge.net/1.8/centos6-live.html + +Though these tutorials use non-LSM version of TOMOYO, they are useful for you +to know what TOMOYO is. + +How to enable TOMOYO? +===================== + +Build the kernel with ``CONFIG_SECURITY_TOMOYO=y`` and pass ``security=tomoyo`` on +kernel's command line. + +Please see https://tomoyo.sourceforge.net/2.6/ for details. + +Where is documentation? +======================= + +User <-> Kernel interface documentation is available at +https://tomoyo.sourceforge.net/2.6/policy-specification/index.html . + +Materials we prepared for seminars and symposiums are available at +https://sourceforge.net/projects/tomoyo/files/docs/ . +Below lists are chosen from three aspects. + +What is TOMOYO? + TOMOYO Linux Overview + https://sourceforge.net/projects/tomoyo/files/docs/lca2009-takeda.pdf + TOMOYO Linux: pragmatic and manageable security for Linux + https://sourceforge.net/projects/tomoyo/files/docs/freedomhectaipei-tomoyo.pdf + TOMOYO Linux: A Practical Method to Understand and Protect Your Own Linux Box + https://sourceforge.net/projects/tomoyo/files/docs/PacSec2007-en-no-demo.pdf + +What can TOMOYO do? + Deep inside TOMOYO Linux + https://sourceforge.net/projects/tomoyo/files/docs/lca2009-kumaneko.pdf + The role of "pathname based access control" in security. + https://sourceforge.net/projects/tomoyo/files/docs/lfj2008-bof.pdf + +History of TOMOYO? + Realities of Mainlining + https://sourceforge.net/projects/tomoyo/files/docs/lfj2008.pdf |