Re: [PATCH RESEND v4 3/3] kvm/powerpc: Export HCALL reason codes
From: Paul Mackerras <hidden>
Date: 2015-06-15 05:40:13
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On Mon, Jun 15, 2015 at 10:26:09AM +0530, Hemant Kumar wrote:
For perf to analyze the KVM events like hcalls, we need the hypervisor calls and their codes to be exported through uapi.
Why? The hcall codes are defined externally to the kernel (in the PAPR document) and won't change. They're not kernel API. Paul.