From: Ricardo Koller <ricarkol@google.com>
To: pbonzini@redhat.com, maz@kernel.org, oupton@google.com,
yuzenghui@huawei.com, dmatlack@google.com
Cc: kvm@vger.kernel.org, kvmarm@lists.linux.dev, qperret@google.com,
catalin.marinas@arm.com, andrew.jones@linux.dev,
seanjc@google.com, alexandru.elisei@arm.com,
suzuki.poulose@arm.com, eric.auger@redhat.com, gshan@redhat.com,
reijiw@google.com, rananta@google.com, bgardon@google.com,
ricarkol@gmail.com, Ricardo Koller <ricarkol@google.com>
Subject: [PATCH v3 06/12] KVM: arm64: Add kvm_uninit_stage2_mmu()
Date: Wed, 15 Feb 2023 17:40:40 +0000 [thread overview]
Message-ID: <20230215174046.2201432-7-ricarkol@google.com> (raw)
In-Reply-To: <20230215174046.2201432-1-ricarkol@google.com>
Add kvm_uninit_stage2_mmu() and move kvm_free_stage2_pgd() into it. A
future commit will add some more things to do inside of
kvm_uninit_stage2_mmu().
No functional change intended.
Signed-off-by: Ricardo Koller <ricarkol@google.com>
---
arch/arm64/include/asm/kvm_mmu.h | 1 +
arch/arm64/kvm/mmu.c | 7 ++++++-
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/include/asm/kvm_mmu.h b/arch/arm64/include/asm/kvm_mmu.h
index e4a7e6369499..058f3ae5bc26 100644
--- a/arch/arm64/include/asm/kvm_mmu.h
+++ b/arch/arm64/include/asm/kvm_mmu.h
@@ -167,6 +167,7 @@ void free_hyp_pgds(void);
void stage2_unmap_vm(struct kvm *kvm);
int kvm_init_stage2_mmu(struct kvm *kvm, struct kvm_s2_mmu *mmu, unsigned long type);
+void kvm_uninit_stage2_mmu(struct kvm *kvm);
void kvm_free_stage2_pgd(struct kvm_s2_mmu *mmu);
int kvm_phys_addr_ioremap(struct kvm *kvm, phys_addr_t guest_ipa,
phys_addr_t pa, unsigned long size, bool writable);
diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c
index d2c5e6992459..812633a75e74 100644
--- a/arch/arm64/kvm/mmu.c
+++ b/arch/arm64/kvm/mmu.c
@@ -766,6 +766,11 @@ int kvm_init_stage2_mmu(struct kvm *kvm, struct kvm_s2_mmu *mmu, unsigned long t
return err;
}
+void kvm_uninit_stage2_mmu(struct kvm *kvm)
+{
+ kvm_free_stage2_pgd(&kvm->arch.mmu);
+}
+
static void stage2_unmap_memslot(struct kvm *kvm,
struct kvm_memory_slot *memslot)
{
@@ -1855,7 +1860,7 @@ void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen)
void kvm_arch_flush_shadow_all(struct kvm *kvm)
{
- kvm_free_stage2_pgd(&kvm->arch.mmu);
+ kvm_uninit_stage2_mmu(kvm);
}
void kvm_arch_flush_shadow_memslot(struct kvm *kvm,
--
2.39.1.637.g21b0678d19-goog
next prev parent reply other threads:[~2023-02-15 17:41 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-15 17:40 [PATCH v3 00/12] Implement Eager Page Splitting for ARM Ricardo Koller
2023-02-15 17:40 ` [PATCH v3 01/12] KVM: arm64: Add KVM_PGTABLE_WALK ctx->flags for skipping BBM and CMO Ricardo Koller
2023-02-16 2:56 ` Shaoqin Huang
2023-02-16 18:41 ` Ricardo Koller
2023-02-15 17:40 ` [PATCH v3 02/12] KVM: arm64: Rename free_unlinked to free_removed Ricardo Koller
2023-02-15 23:51 ` Oliver Upton
2023-02-16 3:13 ` Shaoqin Huang
2023-02-16 18:44 ` Ricardo Koller
2023-02-15 17:40 ` [PATCH v3 03/12] KVM: arm64: Add helper for creating unlinked stage2 subtrees Ricardo Koller
2023-02-16 0:13 ` Oliver Upton
2023-02-16 18:34 ` Ricardo Koller
2023-02-15 17:40 ` [PATCH v3 04/12] KVM: arm64: Add kvm_pgtable_stage2_split() Ricardo Koller
2023-02-16 0:36 ` Oliver Upton
2023-02-16 18:07 ` Ricardo Koller
2023-02-16 18:14 ` Ricardo Koller
2023-02-16 12:22 ` Shaoqin Huang
2023-02-16 18:30 ` Ricardo Koller
2023-02-17 4:07 ` Shaoqin Huang
2023-02-15 17:40 ` [PATCH v3 05/12] KVM: arm64: Refactor kvm_arch_commit_memory_region() Ricardo Koller
2023-02-15 17:40 ` Ricardo Koller [this message]
2023-02-15 17:40 ` [PATCH v3 07/12] KVM: arm64: Export kvm_are_all_memslots_empty() Ricardo Koller
2023-02-15 17:40 ` [PATCH v3 08/12] KVM: arm64: Add KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE Ricardo Koller
2023-02-15 17:40 ` [PATCH v3 09/12] KVM: arm64: Split huge pages when dirty logging is enabled Ricardo Koller
2023-02-15 17:40 ` [PATCH v3 10/12] KVM: arm64: Open-code kvm_mmu_write_protect_pt_masked() Ricardo Koller
2023-02-15 17:40 ` [PATCH v3 11/12] KVM: arm64: Split huge pages during KVM_CLEAR_DIRTY_LOG Ricardo Koller
2023-02-15 17:40 ` [PATCH v3 12/12] KVM: arm64: Use local TLBI on permission relaxation Ricardo Koller
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20230215174046.2201432-7-ricarkol@google.com \
--to=ricarkol@google.com \
--cc=alexandru.elisei@arm.com \
--cc=andrew.jones@linux.dev \
--cc=bgardon@google.com \
--cc=catalin.marinas@arm.com \
--cc=dmatlack@google.com \
--cc=eric.auger@redhat.com \
--cc=gshan@redhat.com \
--cc=kvm@vger.kernel.org \
--cc=kvmarm@lists.linux.dev \
--cc=maz@kernel.org \
--cc=oupton@google.com \
--cc=pbonzini@redhat.com \
--cc=qperret@google.com \
--cc=rananta@google.com \
--cc=reijiw@google.com \
--cc=ricarkol@gmail.com \
--cc=seanjc@google.com \
--cc=suzuki.poulose@arm.com \
--cc=yuzenghui@huawei.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).