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Re: [Xen-devel] [PATCH v5 0/9] Improve non-"safe" MSR access failure handling
- To: Andy Lutomirski <luto@xxxxxxxxxx>, X86 ML <x86@xxxxxxxxxx>
- From: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
- Date: Tue, 5 Apr 2016 11:38:06 -0400
- Cc: KVM list <kvm@xxxxxxxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Arjan van de Ven <arjan@xxxxxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, xen-devel <Xen-devel@xxxxxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Paolo Bonzini <pbonzini@xxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Tue, 05 Apr 2016 15:39:04 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
On 04/02/2016 10:01 AM, Andy Lutomirski wrote:
Andy Lutomirski (9):
x86/head: Pass a real pt_regs and trapnr to early_fixup_exception
x86/head: Move the early NMI fixup into C
x86/head: Move early exception panic code into early_fixup_exception
x86/traps: Enable all exception handler callbacks early
x86/paravirt: Add _safe to the read_msr and write_msr PV hooks
x86/msr: Carry on after a non-"safe" MSR access fails
x86/paravirt: Add paravirt_{read,write}_msr
x86/paravirt: Make "unsafe" MSR accesses unsafe even if PARAVIRT=y
x86/msr: Set the return value to zero when native_rdmsr_safe fails
With Xen (on top of eb1af3b):
Tested-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
-boris
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