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| author | Mike Rapoport <[email protected]> | 2023-06-13 00:11:07 +0000 |
|---|---|---|
| committer | Dave Hansen <[email protected]> | 2023-08-02 22:01:51 +0000 |
| commit | 680ed2f15e70d079c8148589a3ce9426fc0ff914 (patch) | |
| tree | c22c5326d8e7770ad97377f44714a005333f5147 /tools/perf/scripts/python/net_dropmonitor.py | |
| parent | x86: Add PTRACE interface for shadow stack (diff) | |
| download | kernel-680ed2f15e70d079c8148589a3ce9426fc0ff914.tar.gz kernel-680ed2f15e70d079c8148589a3ce9426fc0ff914.zip | |
x86/shstk: Add ARCH_SHSTK_UNLOCK
Userspace loaders may lock features before a CRIU restore operation has
the chance to set them to whatever state is required by the process
being restored. Allow a way for CRIU to unlock features. Add it as an
arch_prctl() like the other shadow stack operations, but restrict it being
called by the ptrace arch_pctl() interface.
[Merged into recent API changes, added commit log and docs]
Signed-off-by: Mike Rapoport <[email protected]>
Signed-off-by: Rick Edgecombe <[email protected]>
Signed-off-by: Dave Hansen <[email protected]>
Reviewed-by: Borislav Petkov (AMD) <[email protected]>
Reviewed-by: Kees Cook <[email protected]>
Reviewed-by: David Hildenbrand <[email protected]>
Tested-by: Pengfei Xu <[email protected]>
Tested-by: John Allen <[email protected]>
Tested-by: Kees Cook <[email protected]>
Link: https://lore.kernel.org/all/20230613001108.3040476-42-rick.p.edgecombe%40intel.com
Diffstat (limited to 'tools/perf/scripts/python/net_dropmonitor.py')
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