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authorLinus Torvalds <torvalds@linux-foundation.org>2021-11-13 10:01:10 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2021-11-13 10:01:10 -0800
commit4d6fe79fdeccb8f3968d71bc633e622d43f1309c (patch)
tree7b28ad235cb023b464d9e21b3a5465c17ff7003b /tools/testing/selftests/kvm/lib/kvm_util.c
parentd4fa09e514cdb51fc7a2289c445c44ba0c87117b (diff)
parent84886c262ebcfa40751ed508268457af8a20c1aa (diff)
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull more kvm updates from Paolo Bonzini: "New x86 features: - Guest API and guest kernel support for SEV live migration - SEV and SEV-ES intra-host migration Bugfixes and cleanups for x86: - Fix misuse of gfn-to-pfn cache when recording guest steal time / preempted status - Fix selftests on APICv machines - Fix sparse warnings - Fix detection of KVM features in CPUID - Cleanups for bogus writes to MSR_KVM_PV_EOI_EN - Fixes and cleanups for MSR bitmap handling - Cleanups for INVPCID - Make x86 KVM_SOFT_MAX_VCPUS consistent with other architectures Bugfixes for ARM: - Fix finalization of host stage2 mappings - Tighten the return value of kvm_vcpu_preferred_target() - Make sure the extraction of ESR_ELx.EC is limited to architected bits" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (34 commits) KVM: SEV: unify cgroup cleanup code for svm_vm_migrate_from KVM: x86: move guest_pv_has out of user_access section KVM: x86: Drop arbitrary KVM_SOFT_MAX_VCPUS KVM: Move INVPCID type check from vmx and svm to the common kvm_handle_invpcid() KVM: VMX: Add a helper function to retrieve the GPR index for INVPCID, INVVPID, and INVEPT KVM: nVMX: Clean up x2APIC MSR handling for L2 KVM: VMX: Macrofy the MSR bitmap getters and setters KVM: nVMX: Handle dynamic MSR intercept toggling KVM: nVMX: Query current VMCS when determining if MSR bitmaps are in use KVM: x86: Don't update vcpu->arch.pv_eoi.msr_val when a bogus value was written to MSR_KVM_PV_EOI_EN KVM: x86: Rename kvm_lapic_enable_pv_eoi() KVM: x86: Make sure KVM_CPUID_FEATURES really are KVM_CPUID_FEATURES KVM: x86: Add helper to consolidate core logic of SET_CPUID{2} flows kvm: mmu: Use fast PF path for access tracking of huge pages when possible KVM: x86/mmu: Properly dereference rcu-protected TDP MMU sptep iterator KVM: x86: inhibit APICv when KVM_GUESTDBG_BLOCKIRQ active kvm: x86: Convert return type of *is_valid_rdpmc_ecx() to bool KVM: x86: Fix recording of guest steal time / preempted status selftest: KVM: Add intra host migration tests selftest: KVM: Add open sev dev helper ...
Diffstat (limited to 'tools/testing/selftests/kvm/lib/kvm_util.c')
-rw-r--r--tools/testing/selftests/kvm/lib/kvm_util.c24
1 files changed, 14 insertions, 10 deletions
diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
index 041004c0fda7..14bb4d5b6bb7 100644
--- a/tools/testing/selftests/kvm/lib/kvm_util.c
+++ b/tools/testing/selftests/kvm/lib/kvm_util.c
@@ -31,6 +31,19 @@ static void *align(void *x, size_t size)
return (void *) (((size_t) x + mask) & ~mask);
}
+int open_path_or_exit(const char *path, int flags)
+{
+ int fd;
+
+ fd = open(path, flags);
+ if (fd < 0) {
+ print_skip("%s not available (errno: %d)", path, errno);
+ exit(KSFT_SKIP);
+ }
+
+ return fd;
+}
+
/*
* Open KVM_DEV_PATH if available, otherwise exit the entire program.
*
@@ -42,16 +55,7 @@ static void *align(void *x, size_t size)
*/
static int _open_kvm_dev_path_or_exit(int flags)
{
- int fd;
-
- fd = open(KVM_DEV_PATH, flags);
- if (fd < 0) {
- print_skip("%s not available, is KVM loaded? (errno: %d)",
- KVM_DEV_PATH, errno);
- exit(KSFT_SKIP);
- }
-
- return fd;
+ return open_path_or_exit(KVM_DEV_PATH, flags);
}
int open_kvm_dev_path_or_exit(void)