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From: Arjan van de Ven <arjan@linux.intel.com>
To: Peter Zijlstra <peterz@infradead.org>,
	"Wysocki, Rafael J" <rafael.j.wysocki@intel.com>
Cc: Bruno Goncalves <bgoncalv@redhat.com>,
	x86@kernel.org, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [6.5.0-rc1] unchecked MSR access error: RDMSR from 0xe2 at rIP: 0xffffffff87090227 (native_read_msr+0x7/0x40) (intel_idle_init_cstates_icpu)
Date: Fri, 14 Jul 2023 14:45:21 -0700	[thread overview]
Message-ID: <ab419bb9-1065-5200-5b22-32f36b0426a8@linux.intel.com> (raw)
In-Reply-To: <20230714211021.GB3275140@hirez.programming.kicks-ass.net>

On 7/14/2023 2:10 PM, Peter Zijlstra wrote:
> On Tue, Jul 11, 2023 at 08:37:51PM +0200, Wysocki, Rafael J wrote:
> 
>>> Rafael, can we please just pull these patches and try again later?
>>
>> I think you mean "revert"?
> 
> Yes, revert. The whole premise with the unparsable changelog that
> babbles about TLB invalidates without any performance data-so-ever
> should've been a red-flag.
> 
> That whole TLB angle is nonsense. We have paravirt TLB invalidation for
> this.

for kvm and hyperv. not for vmware etc.


  reply	other threads:[~2023-07-14 21:45 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-11  9:11 [6.5.0-rc1] unchecked MSR access error: RDMSR from 0xe2 at rIP: 0xffffffff87090227 (native_read_msr+0x7/0x40) (intel_idle_init_cstates_icpu) Bruno Goncalves
2023-07-11 11:24 ` Peter Zijlstra
2023-07-11 12:25   ` Bruno Goncalves
2023-07-11 12:55     ` Peter Zijlstra
2023-07-11 13:15       ` Peter Zijlstra
2023-07-11 13:25       ` Peter Zijlstra
2023-07-11 18:37         ` Wysocki, Rafael J
2023-07-11 18:39           ` Arjan van de Ven
2023-07-14 21:11             ` Peter Zijlstra
2023-07-14 21:47               ` Arjan van de Ven
2023-07-14 22:02                 ` Peter Zijlstra
2023-07-14 21:10           ` Peter Zijlstra
2023-07-14 21:45             ` Arjan van de Ven [this message]
2023-07-14 21:55               ` Peter Zijlstra
2023-07-14 22:28               ` Peter Zijlstra
2023-07-11 14:26       ` Arjan van de Ven
2023-07-11 15:32         ` Peter Zijlstra
2023-07-11 14:22 ` Arjan van de Ven

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