From: Marc Zyngier <maz@kernel.org>
To: Oliver Upton <oupton@kernel.org>
Cc: kvmarm@lists.linux.dev, Joey Gouly <joey.gouly@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Zenghui Yu <yuzenghui@huawei.com>
Subject: Re: [PATCH v2 06/14] KVM: arm64: Call helper for reading descriptors directly
Date: Fri, 21 Nov 2025 17:10:54 +0000 [thread overview]
Message-ID: <87tsynfh0h.wl-maz@kernel.org> (raw)
In-Reply-To: <20251117224325.2431848-7-oupton@kernel.org>
On Mon, 17 Nov 2025 22:43:17 +0000,
Oliver Upton <oupton@kernel.org> wrote:
>
> Going through a function pointer doesn't serve much purpose when there's
> only one implementation.
>
> Signed-off-by: Oliver Upton <oupton@kernel.org>
> ---
> arch/arm64/kvm/nested.c | 20 ++++++++++----------
> 1 file changed, 10 insertions(+), 10 deletions(-)
>
> diff --git a/arch/arm64/kvm/nested.c b/arch/arm64/kvm/nested.c
> index 08839a320a45..cf4b24e04a1a 100644
> --- a/arch/arm64/kvm/nested.c
> +++ b/arch/arm64/kvm/nested.c
> @@ -124,7 +124,6 @@ int kvm_vcpu_init_nested(struct kvm_vcpu *vcpu)
> }
>
> struct s2_walk_info {
> - int (*read_desc)(phys_addr_t pa, u64 *desc, void *data);
> void *data;
> u64 baddr;
> unsigned int max_oa_bits;
> @@ -199,6 +198,15 @@ static int check_output_size(struct s2_walk_info *wi, phys_addr_t output)
> return 0;
> }
>
> +static int read_guest_s2_desc(phys_addr_t pa, u64 *desc, void *data)
> +{
> + struct kvm_vcpu *vcpu = data;
> + u64 val;
> + int r;
Unused variables, better moved to the follow-up patch.
Thanks,
M.
--
Jazz isn't dead. It just smells funny.
next prev parent reply other threads:[~2025-11-21 17:10 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-17 22:43 [PATCH v2 00/14] KVM: arm64: nv: Implement FEAT_XNX and FEAT_HAF Oliver Upton
2025-11-17 22:43 ` [PATCH v2 01/14] arm64: Detect FEAT_XNX Oliver Upton
2025-11-17 22:43 ` [PATCH v2 02/14] KVM: arm64: Add support for FEAT_XNX stage-2 permissions Oliver Upton
2025-11-21 12:24 ` Marc Zyngier
2025-11-17 22:43 ` [PATCH v2 03/14] KVM: arm64: nv: Forward FEAT_XNX permissions to the shadow stage-2 Oliver Upton
2025-11-17 22:43 ` [PATCH v2 04/14] KVM: arm64: Teach ptdump about FEAT_XNX permissions Oliver Upton
2025-11-17 22:43 ` [PATCH v2 05/14] KVM: arm64: nv: Advertise support for FEAT_XNX Oliver Upton
2025-11-17 22:43 ` [PATCH v2 06/14] KVM: arm64: Call helper for reading descriptors directly Oliver Upton
2025-11-21 17:10 ` Marc Zyngier [this message]
2025-11-17 22:43 ` [PATCH v2 07/14] KVM: arm64: Handle endianness in read helper for emulated PTW Oliver Upton
2025-11-21 17:40 ` Marc Zyngier
2025-11-17 22:43 ` [PATCH v2 08/14] KVM: arm64: nv: Use pgtable definitions in stage-2 walk Oliver Upton
2025-11-17 22:43 ` [PATCH v2 09/14] KVM: arm64: Add helper for swapping guest descriptor Oliver Upton
2025-11-21 18:25 ` Marc Zyngier
2025-11-17 22:43 ` [PATCH v2 10/14] KVM: arm64: Propagate PTW errors up to AT emulation Oliver Upton
2025-11-17 22:43 ` [PATCH v2 11/14] KVM: arm64: Implement HW access flag management in stage-1 SW PTW Oliver Upton
2025-11-17 22:43 ` [PATCH v2 12/14] KVM: arm64: nv: Implement HW access flag management in stage-2 " Oliver Upton
2025-11-21 18:37 ` Marc Zyngier
2025-11-17 22:43 ` [PATCH v2 13/14] KVM: arm64: nv: Expose hardware access flag management to NV guests Oliver Upton
2025-11-17 22:43 ` [PATCH v2 14/14] KVM: arm64: selftests: Add test for AT emulation Oliver Upton
2025-11-21 18:43 ` [PATCH v2 00/14] KVM: arm64: nv: Implement FEAT_XNX and FEAT_HAF Marc Zyngier
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