From: Paolo Bonzini <pbonzini@redhat.com>
To: Jan Kiszka <jan.kiszka@siemens.com>,
linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Cc: Ralf Ramsauer <ralf.ramsauer@oth-regensburg.de>,
"Gupta, Pawan Kumar" <pawan.kumar.gupta@intel.com>
Subject: Re: [FYI PATCH 0/7] Mitigation for CVE-2018-12207
Date: Wed, 13 Nov 2019 09:23:30 +0100 [thread overview]
Message-ID: <ea5a084b-e047-6677-b8fe-d7bb6f8c0ef8@redhat.com> (raw)
In-Reply-To: <23353382-53ea-8b20-7e30-763ef6df374c@siemens.com>
On 13/11/19 07:38, Jan Kiszka wrote:
> When reading MCE, error code 0150h, ie. SRAR, I was wondering if that
> couldn't simply be handled by the host. But I suppose the symptom of
> that erratum is not "just" regular recoverable MCE, rather
> sometimes/always an unrecoverable CPU state, despite the error code, right?
The erratum documentation talks explicitly about hanging the system, but
it's not clear if it's just a result of the OS mishandling the MCE, or
something worse. So I don't know. :( Pawan, do you?
Paolo
next prev parent reply other threads:[~2019-11-13 8:23 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-12 21:21 [FYI PATCH 0/7] Mitigation for CVE-2018-12207 Paolo Bonzini
2019-11-12 21:21 ` [PATCH 1/7] x86/bugs: Add ITLB_MULTIHIT bug infrastructure Paolo Bonzini
2019-11-12 21:21 ` [PATCH 2/7] x86/cpu: Add Tremont to the cpu vulnerability whitelist Paolo Bonzini
2019-11-12 21:21 ` [PATCH 3/7] cpu/speculation: Uninline and export CPU mitigations helpers Paolo Bonzini
2019-11-12 21:21 ` [PATCH 4/7] kvm: mmu: ITLB_MULTIHIT mitigation Paolo Bonzini
2019-11-12 21:21 ` [PATCH 5/7] kvm: Add helper function for creating VM worker threads Paolo Bonzini
2019-11-12 21:21 ` [PATCH 6/7] kvm: x86: mmu: Recovery of shattered NX large pages Paolo Bonzini
2019-11-12 21:21 ` [PATCH 7/7] Documentation: Add ITLB_MULTIHIT documentation Paolo Bonzini
2019-11-13 6:38 ` [FYI PATCH 0/7] Mitigation for CVE-2018-12207 Jan Kiszka
2019-11-13 8:23 ` Paolo Bonzini [this message]
2019-11-13 21:24 ` Dave Hansen
2019-11-14 1:17 ` Nadav Amit
2019-11-14 5:26 ` Dave Hansen
2019-11-14 6:02 ` Nadav Amit
2019-11-15 2:11 ` Pawan Gupta
2019-11-14 8:09 ` Jan Kiszka
2019-11-18 13:58 ` Ralf Ramsauer
2020-01-21 18:08 ` Jan Kiszka
2020-01-21 18:25 ` Dave Hansen
2019-11-13 23:25 ` Pawan Gupta
2019-11-14 8:13 ` Jan Kiszka
2019-11-15 2:23 ` Pawan Gupta
2019-11-13 13:00 ` Jinpu Wang
2019-11-13 14:44 ` Paolo Bonzini
2019-11-13 18:10 ` Nadav Amit
2019-11-13 18:33 ` Paolo Bonzini
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