diff options
| author | Junaid Shahid | 2019-01-04 02:14:28 +0100 |
|---|---|---|
| committer | Paolo Bonzini | 2019-06-05 14:14:50 +0200 |
| commit | 0d9ce162cf46c99628cc5da9510b959c7976735b (patch) | |
| tree | cb7670bedf8c614aa20313b95456f942fd16b6d4 /arch/s390 | |
| parent | KVM: VMX: remove unneeded 'asm volatile ("")' from vmcs_write64 (diff) | |
| download | kernel-qcow2-linux-0d9ce162cf46c99628cc5da9510b959c7976735b.tar.gz kernel-qcow2-linux-0d9ce162cf46c99628cc5da9510b959c7976735b.tar.xz kernel-qcow2-linux-0d9ce162cf46c99628cc5da9510b959c7976735b.zip | |
kvm: Convert kvm_lock to a mutex
It doesn't seem as if there is any particular need for kvm_lock to be a
spinlock, so convert the lock to a mutex so that sleepable functions (in
particular cond_resched()) can be called while holding it.
Signed-off-by: Junaid Shahid <junaids@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/kvm/kvm-s390.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 7936af0a971f..0fef9192f6ac 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -2423,13 +2423,13 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type) kvm->arch.sca = (struct bsca_block *) get_zeroed_page(alloc_flags); if (!kvm->arch.sca) goto out_err; - spin_lock(&kvm_lock); + mutex_lock(&kvm_lock); sca_offset += 16; if (sca_offset + sizeof(struct bsca_block) > PAGE_SIZE) sca_offset = 0; kvm->arch.sca = (struct bsca_block *) ((char *) kvm->arch.sca + sca_offset); - spin_unlock(&kvm_lock); + mutex_unlock(&kvm_lock); sprintf(debug_name, "kvm-%u", current->pid); |