KVM: arm64: vgic-v3: Simplify vgic_v3_has_cpu_sysregs_attr()

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Finding out whether a sysreg exists has little to do with that
register being accessed, so drop the is_write parameter.

Also, the reg pointer is completely unused, and we're better off
just passing the attr pointer to the function.

This result in a small cleanup of the calling site, with a new
helper converting the vGIC view of a sysreg into the canonical
one (this is purely cosmetic, as the encoding is the same).

Reviewed-by: Reiji Watanabe <reijiw@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>

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This commit is contained in:

Marc Zyngier 2022-07-03 14:57:29 +01:00

parent 5a420ed964

commit b61fc0857a

3 changed files with 13 additions and 12 deletions

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14

arch/arm64/kvm/vgic-sys-reg-v3.c

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8

arch/arm64/kvm/vgic/vgic-mmio-v3.c

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3

arch/arm64/kvm/vgic/vgic.h

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