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(parent: 3482147) | patch
selftests/x86/lam: Add test cases for LAM vs thread creation
authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>
Sun, 12 Mar 2023 11:26:12 +0000 (14:26 +0300)
committerDave Hansen <dave.hansen@linux.intel.com>
Thu, 16 Mar 2023 20:08:41 +0000 (13:08 -0700)
commitdfd7a1569e25996575a24725b64f73162155bcd6
tree20e6a5d6134160880fe508581befecd30298544etree | snapshot
parent34821473deb3a56adf5e989e8cefd8bfc60ed216commit | diff
selftests/x86/lam: Add test cases for LAM vs thread creation

LAM enabling is only allowed when the process has single thread.
LAM mode is inherited into child thread.

Trying to enable LAM after spawning a thread has to fail.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/all/20230312112612.31869-18-kirill.shutemov%40linux.intel.com
tools/testing/selftests/x86/lam.c diff | blob | history
Domain: System / Kernel;