linux-kernel - Re: [PATCH 01/10] vmalloc: call flush_cache_vunmap() from unmap_kernel

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Message-Id: <20090219.143622.74141834.davem@davemloft.net>
Date:	Thu, 19 Feb 2009 14:36:22 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	nickpiggin@...oo.com.au
Cc:	tj@...nel.org, rusty@...tcorp.com.au, tglx@...utronix.de,
	x86@...nel.org, linux-kernel@...r.kernel.org, hpa@...or.com,
	jeremy@...p.org, cpw@....com, mingo@...e.hu
Subject: Re: [PATCH 01/10] vmalloc: call flush_cache_vunmap() from
 unmap_kernel_range()

From: Nick Piggin <nickpiggin@...oo.com.au>
Date: Thu, 19 Feb 2009 23:06:27 +1100

> On Wednesday 18 February 2009 23:04:27 Tejun Heo wrote:
> > Impact: proper vcache flush on unmap_kernel_range()
> >
> > flush_cache_vunmap() should be called before pages are unmapped.  Add
> > a call to it in unmap_kernel_range().
> >
> > Signed-off-by: Tejun Heo <tj@...nel.org>
> 
> Shouldn't this go as a fix to mainline and even .stable?
> 
> Otherwise:
> Acked-by: Nick Piggin <npiggin@...e.de>

Agreed, this is -stable material:

Acked-by: David S. Miller <davem@...emloft.net>
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