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From: Thomas Gleixner <tglx@linutronix.de>
To: Sean Christopherson <sean.j.christopherson@intel.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
	x86@kernel.org, "Kenneth R. Crudup" <kenny@panix.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Fenghua Yu <fenghua.yu@intel.com>,
	Xiaoyao Li <xiaoyao.li@intel.com>, Nadav Amit <namit@vmware.com>,
	Thomas Hellstrom <thellstrom@vmware.com>,
	Tony Luck <tony.luck@intel.com>
Subject: Re: [patch 0/3] x86/kvm: Basic split lock #AC handling
Date: Tue, 14 Apr 2020 09:38:07 +0200	[thread overview]
Message-ID: <87v9m2o6u8.fsf@nanos.tec.linutronix.de> (raw)
In-Reply-To: <20200410190243.GH22482@linux.intel.com>

Sean,

Sean Christopherson <sean.j.christopherson@intel.com> writes:
> On Fri, Apr 10, 2020 at 01:53:59PM +0200, Thomas Gleixner wrote:
>> This is a reworked version of the patches posted by Sean:
>> 
>>  https://lore.kernel.org/r/20200402155554.27705-1-sean.j.christopherson@intel.com
>> 
>> The changes vs. this are:
>> 
>>     1) Use a separate function for guest split lock handling
>> 
>>     2) Force SIGBUS when SLD mode fatal
>
> Not that it matters as the code is correct, but I think you meant
> "when SLD mode off" here.

Actually for both fatal and off. The latter should never happen :)

Thanks,

        tglx

      reply	other threads:[~2020-04-14  7:38 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-10 11:53 Thomas Gleixner
2020-04-10 11:54 ` [patch 1/3] x86/split_lock: Provide handle_guest_split_lock() Thomas Gleixner
2020-04-11 16:04   ` [tip: x86/urgent] " tip-bot2 for Thomas Gleixner
2020-04-10 11:54 ` [patch 2/3] KVM: x86: Emulate split-lock access as a write in emulator Thomas Gleixner
2020-04-11 16:04   ` [tip: x86/urgent] " tip-bot2 for Xiaoyao Li
2020-04-10 11:54 ` [patch 3/3] KVM: VMX: Extend VMXs #AC interceptor to handle split lock #AC in guest Thomas Gleixner
2020-04-11 16:04   ` [tip: x86/urgent] " tip-bot2 for Xiaoyao Li
2020-04-10 15:15 ` [patch 0/3] x86/kvm: Basic split lock #AC handling Paolo Bonzini
2020-04-10 19:02 ` Sean Christopherson
2020-04-14  7:38   ` Thomas Gleixner [this message]

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