arm64/ptrace: Document extension of NT_ARM_TLS to cover TPIDR2_EL0
authorMark Brown <broonie@kernel.org>
Mon, 29 Aug 2022 15:49:19 +0000 (16:49 +0100)
committerCatalin Marinas <catalin.marinas@arm.com>
Wed, 21 Sep 2022 16:26:58 +0000 (17:26 +0100)
commitf285da05c62a429f1978c5520cf069d483a7d9af
treeea5ea993037c19f58324b882938cfe4bad875857
parentecaf4d3f734fe8d10aeda52193d325453e3e84ee
arm64/ptrace: Document extension of NT_ARM_TLS to cover TPIDR2_EL0

In order to allow debuggers to discover lazily saved SME state we need
to provide access to TPIDR2_EL0, we will extend the existing NT_ARM_TLS
used for TPIDR to also include TPIDR2_EL0 as the second register in the
regset.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20220829154921.837871-3-broonie@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Documentation/arm64/sme.rst