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author | Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | 2022-11-22 15:39:04 -0500 |
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committer | Peter Zijlstra <peterz@infradead.org> | 2022-12-27 12:52:10 +0100 |
commit | 317c8194e6aeb8b3b573ad139fc2a0635856498e (patch) | |
tree | 487894b9890601c50b9a966a3708c2922ae78ba8 /kernel/rseq.c | |
parent | 4842dadfc66f627083ec46c4e9a426e805c765f3 (diff) | |
download | lwn-317c8194e6aeb8b3b573ad139fc2a0635856498e.tar.gz lwn-317c8194e6aeb8b3b573ad139fc2a0635856498e.zip |
rseq: Introduce feature size and alignment ELF auxiliary vector entries
Export the rseq feature size supported by the kernel as well as the
required allocation alignment for the rseq per-thread area to user-space
through ELF auxiliary vector entries.
This is part of the extensible rseq ABI.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20221122203932.231377-3-mathieu.desnoyers@efficios.com
Diffstat (limited to 'kernel/rseq.c')
0 files changed, 0 insertions, 0 deletions