From: Marc Zyngier <maz@kernel.org>
To: linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org,
kvmarm@lists.cs.columbia.edu, linux-mm@kvack.org
Cc: Sean Christopherson <seanjc@google.com>,
Matthew Wilcox <willy@infradead.org>,
Paolo Bonzini <pbonzini@redhat.com>,
Will Deacon <will@kernel.org>,
Quentin Perret <qperret@google.com>,
James Morse <james.morse@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Alexandru Elisei <alexandru.elisei@arm.com>,
kernel-team@android.com
Subject: [PATCH v2 6/6] KVM: Get rid of kvm_get_pfn()
Date: Mon, 26 Jul 2021 16:35:52 +0100 [thread overview]
Message-ID: <20210726153552.1535838-7-maz@kernel.org> (raw)
In-Reply-To: <20210726153552.1535838-1-maz@kernel.org>
Nobody is using kvm_get_pfn() anymore. Get rid of it.
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
---
include/linux/kvm_host.h | 1 -
virt/kvm/kvm_main.c | 9 +--------
2 files changed, 1 insertion(+), 9 deletions(-)
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index ae7735b490b4..9818d271c2a1 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -824,7 +824,6 @@ void kvm_release_pfn_clean(kvm_pfn_t pfn);
void kvm_release_pfn_dirty(kvm_pfn_t pfn);
void kvm_set_pfn_dirty(kvm_pfn_t pfn);
void kvm_set_pfn_accessed(kvm_pfn_t pfn);
-void kvm_get_pfn(kvm_pfn_t pfn);
void kvm_release_pfn(kvm_pfn_t pfn, bool dirty, struct gfn_to_pfn_cache *cache);
int kvm_read_guest_page(struct kvm *kvm, gfn_t gfn, void *data, int offset,
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 956ef6ddce7f..54bf3a14958a 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -2215,7 +2215,7 @@ static int hva_to_pfn_remapped(struct vm_area_struct *vma,
* Get a reference here because callers of *hva_to_pfn* and
* *gfn_to_pfn* ultimately call kvm_release_pfn_clean on the
* returned pfn. This is only needed if the VMA has VM_MIXEDMAP
- * set, but the kvm_get_pfn/kvm_release_pfn_clean pair will
+ * set, but the kvm_try_get_pfn/kvm_release_pfn_clean pair will
* simply do nothing for reserved pfns.
*
* Whoever called remap_pfn_range is also going to call e.g.
@@ -2612,13 +2612,6 @@ void kvm_set_pfn_accessed(kvm_pfn_t pfn)
}
EXPORT_SYMBOL_GPL(kvm_set_pfn_accessed);
-void kvm_get_pfn(kvm_pfn_t pfn)
-{
- if (!kvm_is_reserved_pfn(pfn))
- get_page(pfn_to_page(pfn));
-}
-EXPORT_SYMBOL_GPL(kvm_get_pfn);
-
static int next_segment(unsigned long len, int offset)
{
if (len > PAGE_SIZE - offset)
--
2.30.2
next prev parent reply other threads:[~2021-07-26 15:36 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-26 15:35 [PATCH v2 0/6] KVM: Remove kvm_is_transparent_hugepage() and friends Marc Zyngier
2021-07-26 15:35 ` [PATCH v2 1/6] KVM: arm64: Introduce helper to retrieve a PTE and its level Marc Zyngier
2021-07-27 10:29 ` Quentin Perret
2021-07-27 15:25 ` Alexandru Elisei
2021-07-28 12:17 ` Marc Zyngier
2021-07-26 15:35 ` [PATCH v2 2/6] KVM: arm64: Walk userspace page tables to compute the THP mapping size Marc Zyngier
2021-07-27 15:55 ` Alexandru Elisei
2021-07-26 15:35 ` [PATCH v2 3/6] KVM: arm64: Avoid mapping size adjustment on permission fault Marc Zyngier
2021-07-27 16:00 ` Alexandru Elisei
2021-07-26 15:35 ` [PATCH v2 4/6] KVM: Remove kvm_is_transparent_hugepage() and PageTransCompoundMap() Marc Zyngier
2021-07-26 15:35 ` [PATCH v2 5/6] KVM: arm64: Use get_page() instead of kvm_get_pfn() Marc Zyngier
2021-07-27 17:46 ` Alexandru Elisei
2021-07-26 15:35 ` Marc Zyngier [this message]
2021-08-02 13:39 ` [PATCH v2 0/6] KVM: Remove kvm_is_transparent_hugepage() and friends Marc Zyngier
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