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From: Krish Sadhukhan <krish.sadhukhan@oracle.com>
To: kvm@vger.kernel.org
Cc: pbonzini@redhat.com, jmattson@google.com
Subject: [PATCH 3/4] kvm-unit-test: nVMX: Remove test_sysenter_field() and use test_canonical() instead
Date: Fri,  6 Dec 2019 18:13:01 -0500	[thread overview]
Message-ID: <20191206231302.3466-4-krish.sadhukhan@oracle.com> (raw)
In-Reply-To: <20191206231302.3466-1-krish.sadhukhan@oracle.com>

  ..as the latter already does what the former does.

Signed-off-by: Krish Sadhukhan <krish.sadhukhan@oracle.com>
Reviewed-by: Karl Heubaum <karl.heubaum@oracle.com>
---
 x86/vmx_tests.c | 28 ++--------------------------
 1 file changed, 2 insertions(+), 26 deletions(-)

diff --git a/x86/vmx_tests.c b/x86/vmx_tests.c
index 7905861..5f836d4 100644
--- a/x86/vmx_tests.c
+++ b/x86/vmx_tests.c
@@ -6620,30 +6620,6 @@ static void virt_x2apic_mode_test(void)
 	assert_exit_reason(VMX_VMCALL);
 }
 
-/*
- * On processors that support Intel 64 architecture, the IA32_SYSENTER_ESP
- * field and the IA32_SYSENTER_EIP field must each contain a canonical
- * address.
- *
- *  [Intel SDM]
- */
-static void test_sysenter_field(u32 field, const char *name)
-{
-	u64 addr_saved = vmcs_read(field);
-
-	vmcs_write(field, NONCANONICAL);
-	report_prefix_pushf("%s non-canonical", name);
-	test_vmx_vmlaunch(VMXERR_ENTRY_INVALID_HOST_STATE_FIELD);
-	report_prefix_pop();
-
-	vmcs_write(field, 0xffffffff);
-	report_prefix_pushf("%s canonical", name);
-	test_vmx_vmlaunch(0);
-	report_prefix_pop();
-
-	vmcs_write(field, addr_saved);
-}
-
 static void test_ctl_reg(const char *cr_name, u64 cr, u64 fixed0, u64 fixed1)
 {
 	u64 val;
@@ -7432,8 +7408,8 @@ static void vmx_host_state_area_test(void)
 
 	test_host_ctl_regs();
 
-	test_sysenter_field(HOST_SYSENTER_ESP, "HOST_SYSENTER_ESP");
-	test_sysenter_field(HOST_SYSENTER_EIP, "HOST_SYSENTER_EIP");
+	test_canonical(HOST_SYSENTER_ESP, "HOST_SYSENTER_ESP", true);
+	test_canonical(HOST_SYSENTER_EIP, "HOST_SYSENTER_EIP", true);
 
 	test_host_efer();
 	test_load_host_pat();
-- 
2.20.1


  parent reply	other threads:[~2019-12-06 23:49 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-06 23:12 [PATCH 0/4] KVM: nVMX: Check GUEST_SYSENTER_ESP and GUEST_SYSENTER_EIP on vmentry of nested guests Krish Sadhukhan
2019-12-06 23:12 ` [PATCH 1/4] " Krish Sadhukhan
2019-12-10 17:30   ` Paolo Bonzini
2019-12-10 17:57   ` Jim Mattson
2019-12-10 19:35     ` Krish Sadhukhan
2019-12-10 19:48       ` Jim Mattson
2019-12-10 20:29         ` Krish Sadhukhan
2019-12-10 20:36           ` Paolo Bonzini
2019-12-06 23:13 ` [PATCH 2/4] kvm-unit-test: nVMX: Modify test_canonical() to process guest fields also Krish Sadhukhan
2019-12-06 23:13 ` Krish Sadhukhan [this message]
2019-12-06 23:13 ` [PATCH 4/4] kvm-unit-test: nVMX: Test GUEST_SYSENTER_ESP and GUEST_SYSENTER_EIP on vmentry of nested guests Krish Sadhukhan

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