Re: [PATCH 16/17] KVM: retpolines: x86: eliminate retpoline from svm.c exit handlers

Paolo Bonzini
2019-09-23T10:01:17Z

On 20/09/19 23:25, Andrea Arcangeli wrote:
> +#ifdef CONFIG_RETPOLINE
> + if (exit_code == SVM_EXIT_MSR)
> + return msr_interception(svm);
> + else if (exit_code == SVM_EXIT_VINTR)
> + return interrupt_window_interception(svm);
> + else if (exit_code == SVM_EXIT_INTR)
> + return intr_interception(svm);
> + else if (exit_code == SVM_EXIT_HLT)
> + return halt_interception(svm);
> + else if (exit_code == SVM_EXIT_NPF)
> + return npf_interception(svm);
> + else if (exit_code == SVM_EXIT_CPUID)
> + return cpuid_interception(svm);
> +#endif

Same here; msr_interception and npf_interception are the main ones we
care about, plus io_interception which isn't listed probably because it
depends on the virtual hardware.

Paolo