linux-kernel - [PATCH 4/4] KVM: selftests: Set KVM_MEM_NON_COHERENT

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Date: Fri,  5 Jan 2024 17:16:24 +0800
From: Yan Zhao <yan.y.zhao@...el.com>
To: kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	dri-devel@...ts.freedesktop.org
Cc: pbonzini@...hat.com,
	seanjc@...gle.com,
	olvaffe@...il.com,
	kevin.tian@...el.com,
	zhiyuan.lv@...el.com,
	zhenyu.z.wang@...el.com,
	yongwei.ma@...el.com,
	vkuznets@...hat.com,
	wanpengli@...cent.com,
	jmattson@...gle.com,
	joro@...tes.org,
	gurchetansingh@...omium.org,
	kraxel@...hat.com,
	zzyiwei@...gle.com,
	ankita@...dia.com,
	jgg@...dia.com,
	alex.williamson@...hat.com,
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	oliver.upton@...ux.dev,
	james.morse@....com,
	suzuki.poulose@....com,
	yuzenghui@...wei.com,
	Yan Zhao <yan.y.zhao@...el.com>
Subject: [PATCH 4/4] KVM: selftests: Set KVM_MEM_NON_COHERENT_DMA as a supported memslot flag

Update test_invalid_memory_region_flags() to treat KVM_MEM_NON_COHERENT_DMA
as a supported memslot flag.

Signed-off-by: Yan Zhao <yan.y.zhao@...el.com>
---
 tools/testing/selftests/kvm/set_memory_region_test.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/testing/selftests/kvm/set_memory_region_test.c b/tools/testing/selftests/kvm/set_memory_region_test.c
index 075b80dbe237..2d6f961734db 100644
--- a/tools/testing/selftests/kvm/set_memory_region_test.c
+++ b/tools/testing/selftests/kvm/set_memory_region_test.c
@@ -335,6 +335,9 @@ static void test_invalid_memory_region_flags(void)
 
 #if defined __aarch64__ || defined __x86_64__
 	supported_flags |= KVM_MEM_READONLY;
+
+	if (kvm_has_cap(KVM_CAP_USER_CONFIGURE_NONCOHERENT_DMA))
+		supported_flags |= KVM_MEM_NON_COHERENT_DMA;
 #endif
 
 #ifdef __x86_64__
-- 
2.17.1