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From: Michael Roth <michael.roth@amd.com>
To: <linux-kselftest@vger.kernel.org>
Cc: <kvm@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<x86@kernel.org>, Nathan Tempelman <natet@google.com>,
	Marc Orr <marcorr@google.com>,
	"Steve Rutherford" <srutherford@google.com>,
	Sean Christopherson <seanjc@google.com>,
	Mingwei Zhang <mizhang@google.com>,
	Brijesh Singh <brijesh.singh@amd.com>,
	Tom Lendacky <thomas.lendacky@amd.com>,
	Varad Gautam <varad.gautam@suse.com>,
	Shuah Khan <shuah@kernel.org>,
	Vitaly Kuznetsov <vkuznets@redhat.com>,
	"David Woodhouse" <dwmw@amazon.co.uk>,
	Ricardo Koller <ricarkol@google.com>,
	"Jim Mattson" <jmattson@google.com>,
	Joerg Roedel <joro@8bytes.org>,
	"Thomas Gleixner" <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, "Borislav Petkov" <bp@alien8.de>,
	"H . Peter Anvin" <hpa@zytor.com>,
	Krish Sadhukhan <krish.sadhukhan@oracle.com>,
	Peter Gonda <pgonda@google.com>
Subject: [PATCH v2 06/13] KVM: selftests: ensure ucall_shared_alloc() allocates shared memory
Date: Thu, 16 Dec 2021 11:13:51 -0600	[thread overview]
Message-ID: <20211216171358.61140-7-michael.roth@amd.com> (raw)
In-Reply-To: <20211216171358.61140-1-michael.roth@amd.com>

Now that vm_vaddr_alloc() allocates encrypted/private guest memory by
default for confidential guests, ucall_shared_alloc() needs to be
switched over to using the new vm_vaddr_alloc_shared() function to
ensure that shared memory is used for the allocation.

Signed-off-by: Michael Roth <michael.roth@amd.com>
---
 tools/testing/selftests/kvm/lib/ucall_common.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/kvm/lib/ucall_common.c b/tools/testing/selftests/kvm/lib/ucall_common.c
index 8e5738241a7c..54c6c159dcd5 100644
--- a/tools/testing/selftests/kvm/lib/ucall_common.c
+++ b/tools/testing/selftests/kvm/lib/ucall_common.c
@@ -97,8 +97,8 @@ uint64_t get_ucall(struct kvm_vm *vm, uint32_t vcpu_id, struct ucall *uc)
 /* Allocate shared memory within a guest to for a shared ucall buffer. */
 vm_vaddr_t ucall_shared_alloc(struct kvm_vm *vm, int count)
 {
-	return vm_vaddr_alloc(vm, count * sizeof(struct ucall),
-			      vm_get_page_size(vm));
+	return vm_vaddr_alloc_shared(vm, count * sizeof(struct ucall),
+				     vm_get_page_size(vm));
 }
 
 /*
-- 
2.25.1


  parent reply	other threads:[~2021-12-16 17:18 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-16 17:13 [PATCH v2 00/13] KVM: selftests: Add tests for SEV and SEV-ES guests Michael Roth
2021-12-16 17:13 ` [PATCH v2 01/13] KVM: selftests: move vm_phy_pages_alloc() earlier in file Michael Roth
2021-12-16 17:13 ` [PATCH v2 02/13] KVM: selftests: sparsebit: add const where appropriate Michael Roth
2021-12-16 17:13 ` [PATCH v2 03/13] KVM: selftests: add hooks for managing encrypted guest memory Michael Roth
2021-12-16 17:13 ` [PATCH v2 04/13] KVM: selftests: handle encryption bits in page tables Michael Roth
2021-12-16 17:13 ` [PATCH v2 05/13] KVM: selftests: add support for encrypted vm_vaddr_* allocations Michael Roth
2021-12-16 17:13 ` Michael Roth [this message]
2021-12-16 17:13 ` [PATCH v2 07/13] KVM: selftests: add library for creating/interacting with SEV guests Michael Roth
2021-12-16 20:35   ` Peter Gonda
2021-12-17 16:17     ` Michael Roth
2021-12-22 14:52       ` Paolo Bonzini
2021-12-16 17:13 ` [PATCH v2 08/13] KVM: selftests: add SEV boot tests Michael Roth
2021-12-20  1:49   ` Mingwei Zhang
2021-12-21 15:40     ` Michael Roth
2021-12-21 17:26       ` Michael Roth
2021-12-22 14:55       ` Paolo Bonzini
2021-12-16 17:13 ` [PATCH v2 09/13] KVM: SVM: include CR3 in initial VMSA state for SEV-ES guests Michael Roth
2021-12-22 14:25   ` Paolo Bonzini
2021-12-16 17:13 ` [PATCH v2 10/13] KVM: selftests: account for error code in #VC exception frame Michael Roth
2021-12-16 17:13 ` [PATCH v2 11/13] KVM: selftests: add support for creating SEV-ES guests Michael Roth
2021-12-16 17:13 ` [PATCH v2 12/13] KVM: selftests: add library for handling SEV-ES-related exits Michael Roth
2021-12-16 17:13 ` [PATCH v2 13/13] KVM: selftests: add SEV-ES boot tests Michael Roth
2021-12-22 14:56 ` [PATCH v2 00/13] KVM: selftests: Add tests for SEV and SEV-ES guests Paolo Bonzini
2022-01-04 23:41   ` Michael Roth

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