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KVM: arm64: Make ID_AA64MMFR4_EL1.NV_frac writable
authorMarc Zyngier <maz@kernel.org>
Thu, 20 Feb 2025 13:49:04 +0000 (13:49 +0000)
committerOliver Upton <oliver.upton@linux.dev>
Mon, 24 Feb 2025 19:31:35 +0000 (11:31 -0800)
commit642c23ea8b45b673d8a256e01c04ef5b3c819f11
treee4a792342b52fa1a114bfbb393d079a50ac98eb9tree
parentf83c41fb3dddbf47881249335a9718d2cdce0bd0commit | diff
KVM: arm64: Make ID_AA64MMFR4_EL1.NV_frac writable

We want to make sure that it is possible for userspace to configure
whether recursive NV is possible. Make NV_frac writable for that
purpose.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Joey Gouly <joey.gouly@arm.com>
Link: https://lore.kernel.org/r/20250220134907.554085-12-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
arch/arm64/kvm/sys_regs.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)