From: Sean Christopherson <seanjc@google.com>
To: Jim Mattson <jmattson@google.com>
Cc: kvm@vger.kernel.org, pbonzini@redhat.com
Subject: Re: [PATCH] KVM: VMX: Heed the 'msr' argument in msr_write_intercepted()
Date: Wed, 10 Aug 2022 21:50:34 +0000 [thread overview]
Message-ID: <YvQoKgquagMadG85@google.com> (raw)
In-Reply-To: <20220810213050.2655000-1-jmattson@google.com>
On Wed, Aug 10, 2022, Jim Mattson wrote:
> Regardless of the 'msr' argument passed to the VMX version of
> msr_write_intercepted(), the function always checks to see if a
> specific MSR (IA32_SPEC_CTRL) is intercepted for write. This behavior
> seems unintentional and unexpected.
>
> Modify the function so that it checks to see if the provided 'msr'
> index is intercepted for write.
>
> Fixes: 67f4b9969c30 ("KVM: nVMX: Handle dynamic MSR intercept toggling")
> Cc: Sean Christopherson <seanjc@google.com>
> Signed-off-by: Jim Mattson <jmattson@google.com>
> ---
I could have sworn this got fixed already. Or maybe Aaron just pointed it out
off-list?
Reviewed-by: Sean Christopherson <seanjc@google.com>
next prev parent reply other threads:[~2022-08-10 21:50 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-10 21:30 [PATCH] KVM: VMX: Heed the 'msr' argument in msr_write_intercepted() Jim Mattson
2022-08-10 21:50 ` Sean Christopherson [this message]
2022-08-12 7:57 ` Paolo Bonzini
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