linux-kernel - Re: [PATCH 2/2] kvm: x86: fix stale mmio cache bug

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Message-ID: <53F26F29.9060308@redhat.com>
Date:	Mon, 18 Aug 2014 23:24:57 +0200
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	Xiao Guangrong <xiaoguangrong@...ux.vnet.ibm.com>, gleb@...nel.org
CC:	avi.kivity@...il.com, mtosatti@...hat.com,
	linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
	David Matlack <dmatlack@...gle.com>, stable@...r.kernel.org
Subject: Re: [PATCH 2/2] kvm: x86: fix stale mmio cache bug

Il 14/08/2014 09:01, Xiao Guangrong ha scritto:
>   * Clear the mmio cache info for the given gva,
> - * specially, if gva is ~0ul, we clear all mmio cache info.
> + * specially, if gva is ~MMIO_GVA_ANY, we clear all mmio cache info.

Extra ~.

>   */
> +#define MMIO_GVA_ANY	~((gva_t)0)
> +

Better: (~(gva_t)0).

Paolo
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