On 23.04.2013, at 08:39, Bharat Bhushan wrote:
Kernel should only try flushing pages which are managed by kernel.
pfn_to_page will returns junk struct page for pages not managed by kernel,
so if kernel will try to flush direct mapped memory or direct assigned device
mapping then it will work
-Original Message-
From: Alexander Graf [mailto:ag...@suse.de]
Sent: Thursday, April 25, 2013 8:36 PM
To: Bhushan Bharat-R65777
Cc: kvm-...@vger.kernel.org; kvm@vger.kernel.org; Wood Scott-B07421; Bhushan
Bharat-R65777
Subject: Re: [PATCH] KVM : PPC : cache flush for kernel
On 23.04.2013, at 08:39, Bharat Bhushan wrote:
Kernel should only try flushing pages which are managed by kernel.
pfn_to_page will returns junk struct page for pages not managed by kernel,
so if kernel will try to flush direct mapped memory or direct assigned device
mapping then it will work
-Original Message-
From: Alexander Graf [mailto:ag...@suse.de]
Sent: Thursday, April 25, 2013 8:36 PM
To: Bhushan Bharat-R65777
Cc: kvm-ppc@vger.kernel.org; k...@vger.kernel.org; Wood Scott-B07421; Bhushan
Bharat-R65777
Subject: Re: [PATCH] KVM : PPC : cache flush for kernel