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From: Sean Christopherson <seanjc@google.com>
To: Aaron Lewis <aaronlewis@google.com>
Cc: kvm@vger.kernel.org, Steve Rutherford <srutherford@google.com>,
	Andrew Jones <drjones@redhat.com>
Subject: Re: [PATCH v2] selftests: kvm: Mmap the entire vcpu mmap area
Date: Thu, 18 Feb 2021 10:47:46 -0800	[thread overview]
Message-ID: <YC62UiPCtAIFgS6L@google.com> (raw)
In-Reply-To: <20210217172730.1521644-1-aaronlewis@google.com>

On Wed, Feb 17, 2021, Aaron Lewis wrote:
> The vcpu mmap area may consist of more than just the kvm_run struct.
> Allocate enough space for the entire vcpu mmap area. Without this, on
> x86, the PIO page, for example, will be missing.  This is problematic
> when dealing with an unhandled exception from the guest as the exception
> vector will be incorrectly reported as 0x0.
> 
> Co-developed-by: Steve Rutherford <srutherford@google.com>
> Signed-off-by: Steve Rutherford <srutherford@google.com>
> Signed-off-by: Aaron Lewis <aaronlewis@google.com>
> Reviewed-by: Andrew Jones <drjones@redhat.com>
> ---


Reviewed-by: Sean Christopherson <seanjc@google.com>

      reply	other threads:[~2021-02-18 19:29 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-17 17:27 [PATCH v2] selftests: kvm: Mmap the entire vcpu mmap area Aaron Lewis
2021-02-18 18:47 ` Sean Christopherson [this message]

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