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arm64: Detect FEAT_SCTLR2
authorOliver Upton <oliver.upton@linux.dev>
Tue, 8 Jul 2025 17:25:06 +0000 (10:25 -0700)
committerOliver Upton <oliver.upton@linux.dev>
Tue, 8 Jul 2025 17:40:30 +0000 (10:40 -0700)
commitbf49e73dde7dd54bb52e67e0a1b72e748a04d0b4
treeadbf60df73c6c72337631ee90280f1d3bb98c59atree
parent86731a2a651e58953fc949573895f2fa6d456841commit | diff
arm64: Detect FEAT_SCTLR2

KVM is about to pick up support for SCTLR2. Add cpucap for later use in
the guest/host context switch hot path.

Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20250708172532.1699409-2-oliver.upton@linux.dev
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
arch/arm64/kernel/cpufeature.c diff | blob | blame | history
arch/arm64/tools/cpucaps diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)