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Message-ID: <CABgObfYbv_rHto8eEWLB3srmCPj6Le7wDfG5XtYpUH17HBTcCw@mail.gmail.com>
Date: Fri, 26 Jan 2024 19:01:06 +0100
From: Paolo Bonzini <pbonzini@...hat.com>
To: Huacai Chen <chenhuacai@...ngson.cn>
Cc: Huacai Chen <chenhuacai@...nel.org>, Tianrui Zhao <zhaotianrui@...ngson.cn>,
Bibo Mao <maobibo@...ngson.cn>, kvm@...r.kernel.org, loongarch@...ts.linux.dev,
linux-kernel@...r.kernel.org, Xuerui Wang <kernel@...0n.name>,
Jiaxun Yang <jiaxun.yang@...goat.com>
Subject: Re: [PATCH] LoongArch: KVM: Fix build due to API changes
On Wed, Nov 15, 2023 at 10:14 AM Huacai Chen <chenhuacai@...ngson.cn> wrote:
>
> Commit 8569992d64b8f750e34b7858eac ("KVM: Use gfn instead of hva for
> mmu_notifier_retry") replaces mmu_invalidate_retry_hva() usage with
> mmu_invalidate_retry_gfn() for X86, LoongArch also need similar changes
> to fix build.
>
> Signed-off-by: Huacai Chen <chenhuacai@...ngson.cn>
Applied, thanks.
Paolo
> ---
> arch/loongarch/kvm/mmu.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/loongarch/kvm/mmu.c b/arch/loongarch/kvm/mmu.c
> index 80480df5f550..9463ebecd39b 100644
> --- a/arch/loongarch/kvm/mmu.c
> +++ b/arch/loongarch/kvm/mmu.c
> @@ -627,7 +627,7 @@ static bool fault_supports_huge_mapping(struct kvm_memory_slot *memslot,
> *
> * There are several ways to safely use this helper:
> *
> - * - Check mmu_invalidate_retry_hva() after grabbing the mapping level, before
> + * - Check mmu_invalidate_retry_gfn() after grabbing the mapping level, before
> * consuming it. In this case, mmu_lock doesn't need to be held during the
> * lookup, but it does need to be held while checking the MMU notifier.
> *
> @@ -807,7 +807,7 @@ static int kvm_map_page(struct kvm_vcpu *vcpu, unsigned long gpa, bool write)
>
> /* Check if an invalidation has taken place since we got pfn */
> spin_lock(&kvm->mmu_lock);
> - if (mmu_invalidate_retry_hva(kvm, mmu_seq, hva)) {
> + if (mmu_invalidate_retry_gfn(kvm, mmu_seq, gfn)) {
> /*
> * This can happen when mappings are changed asynchronously, but
> * also synchronously if a COW is triggered by
> --
> 2.39.3
>
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