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From: "Huang, Kai" <kai.huang@intel.com>
To: "seanjc@google.com" <seanjc@google.com>,
	"dwmw2@infradead.org" <dwmw2@infradead.org>
Cc: "bp@alien8.de" <bp@alien8.de>, "x86@kernel.org" <x86@kernel.org>,
	"hpa@zytor.com" <hpa@zytor.com>,
	"mingo@redhat.com" <mingo@redhat.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"dave.hansen@linux.intel.com" <dave.hansen@linux.intel.com>,
	"pbonzini@redhat.com" <pbonzini@redhat.com>,
	"tglx@kernel.org" <tglx@kernel.org>,
	"stollmc@amazon.com" <stollmc@amazon.com>,
	"kvm@vger.kernel.org" <kvm@vger.kernel.org>
Subject: Re: [PATCH v2] KVM: x86: Use gfn_to_pfn_cache for record_steal_time
Date: Tue, 17 Mar 2026 23:29:28 +0000	[thread overview]
Message-ID: <a7509dd49c1cf3a1f1bae19f08bd35b45c314653.camel@intel.com> (raw)
In-Reply-To: <abNXqMq3wx9Yq94h@google.com>

On Thu, 2026-03-12 at 17:17 -0700, Sean Christopherson wrote:
>  I've been content
> to ignore the kvm_xen_set_evtchn_fast() warning[*] because I can't imagine anyone
> is crazy enough to emulate Xen with an RT kernel

[...]

> [*] https://lore.kernel.org/all/673f4bbc.050a0220.3c9d61.0174.GAE@google.com

Completely not related to this patch:

One side effort of this lockdep warning is it suppresses all further lockdep
warnings.  We have met in our TDX CI testing that a useful lockdep warning
was suppressed because of this one.  We have since then disabled
CONFIG_KVM_XEN in our CI. :-)

      parent reply	other threads:[~2026-03-17 23:29 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-11 11:49 David Woodhouse
2026-03-11 23:50 ` David Woodhouse
2026-03-13  0:17 ` Sean Christopherson
2026-03-17 22:59   ` David Woodhouse
2026-03-17 23:29   ` Huang, Kai [this message]

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