Messages in this thread Patch in this message |  | | Date | Wed, 31 Jul 2019 11:00:43 -0700 | From | tip-bot for Thomas Gleixner <> | Subject | [tip:sched/rt] x86/kvm: Use CONFIG_PREEMPTION |
| |
Commit-ID: 09c7e8b21d67c3c78ab9701dbc0fb1e9f14a0ba5 Gitweb: https://git.kernel.org/tip/09c7e8b21d67c3c78ab9701dbc0fb1e9f14a0ba5 Author: Thomas Gleixner <tglx@linutronix.de> AuthorDate: Fri, 26 Jul 2019 23:19:44 +0200 Committer: Ingo Molnar <mingo@kernel.org> CommitDate: Wed, 31 Jul 2019 19:03:36 +0200
x86/kvm: Use CONFIG_PREEMPTION
CONFIG_PREEMPTION is selected by CONFIG_PREEMPT and by CONFIG_PREEMPT_RT. Both PREEMPT and PREEMPT_RT require the same functionality which today depends on CONFIG_PREEMPT.
Switch the conditional for async pagefaults to use CONFIG_PREEMPTION.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Paul E. McKenney <paulmck@linux.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/r/20190726212124.789755413@linutronix.de Signed-off-by: Ingo Molnar <mingo@kernel.org> --- arch/x86/kernel/kvm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c index b7f34fe2171e..3d07f84c4846 100644 --- a/arch/x86/kernel/kvm.c +++ b/arch/x86/kernel/kvm.c @@ -314,7 +314,7 @@ static void kvm_guest_cpu_init(void) if (kvm_para_has_feature(KVM_FEATURE_ASYNC_PF) && kvmapf) { u64 pa = slow_virt_to_phys(this_cpu_ptr(&apf_reason)); -#ifdef CONFIG_PREEMPT +#ifdef CONFIG_PREEMPTION pa |= KVM_ASYNC_PF_SEND_ALWAYS; #endif pa |= KVM_ASYNC_PF_ENABLED;
|  |