* [PATCH] kvm: delete unused variables iommu_noncoherent in struct kvm_arch
@ 2025-02-06 2:26 fuqiang wang
2025-02-06 15:16 ` Sean Christopherson
0 siblings, 1 reply; 2+ messages in thread
From: fuqiang wang @ 2025-02-06 2:26 UTC (permalink / raw)
To: Sean Christopherson, Paolo Bonzini; +Cc: kvm, linux-kernel, wangfuqiang49
The code of legacy device assignment is deleted entirely in commit
ad6260da1e23 ("KVM: x86: drop legacy device assignment") and the
variable iommu_noncoherent in struct kvm_arch is also not referenced by
any other code. So it is deleted in this patch.
Signed-off-by: wangfuqiang49 <wangfuqiang49@jd.com>
---
arch/x86/include/asm/kvm_host.h | 1 -
1 file changed, 1 deletion(-)
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index b15cde0a9b5c..98555afb6f10 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -1354,7 +1354,6 @@ struct kvm_arch {
u64 shadow_mmio_value;
struct iommu_domain *iommu_domain;
- bool iommu_noncoherent;
#define __KVM_HAVE_ARCH_NONCOHERENT_DMA
atomic_t noncoherent_dma_count;
#define __KVM_HAVE_ARCH_ASSIGNED_DEVICE
--
2.47.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] kvm: delete unused variables iommu_noncoherent in struct kvm_arch
2025-02-06 2:26 [PATCH] kvm: delete unused variables iommu_noncoherent in struct kvm_arch fuqiang wang
@ 2025-02-06 15:16 ` Sean Christopherson
0 siblings, 0 replies; 2+ messages in thread
From: Sean Christopherson @ 2025-02-06 15:16 UTC (permalink / raw)
To: fuqiang wang; +Cc: Paolo Bonzini, kvm, linux-kernel, wangfuqiang49
On Thu, Feb 06, 2025, fuqiang wang wrote:
> The code of legacy device assignment is deleted entirely in commit
> ad6260da1e23 ("KVM: x86: drop legacy device assignment") and the
> variable iommu_noncoherent in struct kvm_arch is also not referenced by
> any other code. So it is deleted in this patch.
Someone else beat you to it by a few weeks, I just haven't applied the patch
yet. Thanks!
https://lore.kernel.org/all/20250124075055.97158-1-znscnchen@gmail.com
>
> Signed-off-by: wangfuqiang49 <wangfuqiang49@jd.com>
> ---
> arch/x86/include/asm/kvm_host.h | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
> index b15cde0a9b5c..98555afb6f10 100644
> --- a/arch/x86/include/asm/kvm_host.h
> +++ b/arch/x86/include/asm/kvm_host.h
> @@ -1354,7 +1354,6 @@ struct kvm_arch {
> u64 shadow_mmio_value;
>
> struct iommu_domain *iommu_domain;
> - bool iommu_noncoherent;
> #define __KVM_HAVE_ARCH_NONCOHERENT_DMA
> atomic_t noncoherent_dma_count;
> #define __KVM_HAVE_ARCH_ASSIGNED_DEVICE
> --
> 2.47.0
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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2025-02-06 2:26 [PATCH] kvm: delete unused variables iommu_noncoherent in struct kvm_arch fuqiang wang
2025-02-06 15:16 ` Sean Christopherson
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