From: Ben Gardon <bgardon@google.com>
To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Cc: Paolo Bonzini <pbonzini@redhat.com>, Peter Xu <peterx@redhat.com>,
Sean Christopherson <seanjc@google.com>,
David Matlack <dmatlack@google.com>,
Jim Mattson <jmattson@google.com>,
David Dunn <daviddunn@google.com>,
Jing Zhang <jingzhangos@google.com>,
Junaid Shahid <junaids@google.com>,
Ricardo Koller <ricarkol@google.com>,
Ben Gardon <bgardon@google.com>
Subject: [PATCH v3 01/11] KVM: selftests: Add vm_alloc_page_table_in_memslot library function
Date: Wed, 30 Mar 2022 10:46:11 -0700 [thread overview]
Message-ID: <20220330174621.1567317-2-bgardon@google.com> (raw)
In-Reply-To: <20220330174621.1567317-1-bgardon@google.com>
From: Ricardo Koller <ricarkol@google.com>
Add a library function to allocate a page-table physical page in a
particular memslot. The default behavior is to create new page-table
pages in memslot 0.
Signed-off-by: Ricardo Koller <ricarkol@google.com>
Reviewed-by: Ben Gardon <bgardon@google.com>
Signed-off-by: Ben Gardon <bgardon@google.com>
---
tools/testing/selftests/kvm/include/kvm_util_base.h | 1 +
tools/testing/selftests/kvm/lib/kvm_util.c | 8 +++++++-
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/kvm/include/kvm_util_base.h b/tools/testing/selftests/kvm/include/kvm_util_base.h
index 92cef0ffb19e..976aaaba8769 100644
--- a/tools/testing/selftests/kvm/include/kvm_util_base.h
+++ b/tools/testing/selftests/kvm/include/kvm_util_base.h
@@ -311,6 +311,7 @@ vm_paddr_t vm_phy_page_alloc(struct kvm_vm *vm, vm_paddr_t paddr_min,
vm_paddr_t vm_phy_pages_alloc(struct kvm_vm *vm, size_t num,
vm_paddr_t paddr_min, uint32_t memslot);
vm_paddr_t vm_alloc_page_table(struct kvm_vm *vm);
+vm_paddr_t vm_alloc_page_table_in_memslot(struct kvm_vm *vm, uint32_t pt_memslot);
/*
* Create a VM with reasonable defaults
diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
index 1665a220abcb..11a692cf4570 100644
--- a/tools/testing/selftests/kvm/lib/kvm_util.c
+++ b/tools/testing/selftests/kvm/lib/kvm_util.c
@@ -2425,9 +2425,15 @@ vm_paddr_t vm_phy_page_alloc(struct kvm_vm *vm, vm_paddr_t paddr_min,
/* Arbitrary minimum physical address used for virtual translation tables. */
#define KVM_GUEST_PAGE_TABLE_MIN_PADDR 0x180000
+vm_paddr_t vm_alloc_page_table_in_memslot(struct kvm_vm *vm, uint32_t pt_memslot)
+{
+ return vm_phy_page_alloc(vm, KVM_GUEST_PAGE_TABLE_MIN_PADDR,
+ pt_memslot);
+}
+
vm_paddr_t vm_alloc_page_table(struct kvm_vm *vm)
{
- return vm_phy_page_alloc(vm, KVM_GUEST_PAGE_TABLE_MIN_PADDR, 0);
+ return vm_alloc_page_table_in_memslot(vm, 0);
}
/*
--
2.35.1.1021.g381101b075-goog
next prev parent reply other threads:[~2022-03-30 17:47 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-30 17:46 [PATCH v3 00/11] KVM: x86: Add a cap to disable NX hugepages on a VM Ben Gardon
2022-03-30 17:46 ` Ben Gardon [this message]
2022-03-30 17:46 ` [PATCH v3 02/11] KVM: selftests: Dump VM stats in binary stats test Ben Gardon
2022-03-30 18:50 ` Jing Zhang
2022-04-05 22:19 ` David Matlack
2022-04-06 20:37 ` Ben Gardon
2022-04-08 19:51 ` Sean Christopherson
2022-06-30 21:00 ` Mingwei Zhang
2022-07-07 19:48 ` Sean Christopherson
2022-03-30 17:46 ` [PATCH v3 03/11] KVM: selftests: Test reading a single stat Ben Gardon
2022-03-30 18:51 ` Jing Zhang
2022-04-05 22:24 ` David Matlack
2022-04-06 20:48 ` Ben Gardon
2022-03-30 17:46 ` [PATCH v3 04/11] KVM: selftests: Add memslot parameter to elf_load Ben Gardon
2022-04-05 22:27 ` David Matlack
2022-03-30 17:46 ` [PATCH v3 05/11] KVM: selftests: Improve error message in vm_phy_pages_alloc Ben Gardon
2022-04-05 22:29 ` David Matlack
2022-03-30 17:46 ` [PATCH v3 06/11] KVM: selftests: Add NX huge pages test Ben Gardon
2022-04-05 22:38 ` David Matlack
2022-04-07 16:52 ` Ben Gardon
2022-03-30 17:46 ` [PATCH v3 07/11] KVM: x86/MMU: Factor out updating NX hugepages state for a VM Ben Gardon
2022-04-05 22:40 ` David Matlack
2022-03-30 17:46 ` [PATCH v3 08/11] KVM: x86/MMU: Allow NX huge pages to be disabled on a per-vm basis Ben Gardon
2022-04-05 22:46 ` David Matlack
2022-03-30 17:46 ` [PATCH v3 09/11] KVM: x86: Fix errant brace in KVM capability handling Ben Gardon
2022-03-30 17:46 ` [PATCH v3 10/11] KVM: x86/MMU: Require reboot permission to disable NX hugepages Ben Gardon
2022-03-30 18:02 ` Sean Christopherson
2022-03-30 23:42 ` Ben Gardon
2022-03-30 17:46 ` [PATCH v3 11/11] selftests: KVM: Test disabling NX hugepages on a VM Ben Gardon
2022-04-05 22:55 ` David Matlack
2022-04-07 18:26 ` Ben Gardon
2022-04-07 18:39 ` Ben Gardon
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