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Subject: Re: [PATCH v2 1/2] x86/msr: Carry on after a non-"safe" MSR access
 fails without !panic_on_oops
To: Andy Lutomirski <luto@amacapital.net>,
        Arjan van de Ven <arjan@linux.intel.com>
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Cc: Linus Torvalds <torvalds@linux-foundation.org>,
        Ingo Molnar <mingo@kernel.org>, Thomas Gleixner <tglx@linutronix.de>,
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        the arch/x86 maintainers <x86@kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Peter Zijlstra <peterz@infradead.org>
From: Paolo Bonzini <pbonzini@redhat.com>
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On 21/09/2015 19:43, Andy Lutomirski wrote:
> And maybe the KVM user return notifier.

No, not really.  If anything, the place in KVM where it makes a
difference is vmx_save_host_state, which is also only using
always-present MSRs.  But don't care about KVM.

First clean it up, then we can add back inline versions like __rdmsr or
rdmsr_fault or rdmsr_unsafe or whatever.

Paolo