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From: "Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com>
To: Nick Piggin <npiggin@suse.de>
Cc: "Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com>,
	"mingo@elte.hu" <mingo@elte.hu>,
	"tglx@linutronix.de" <tglx@linutronix.de>,
	"hpa@zytor.com" <hpa@zytor.com>,
	"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
	"hugh@veritas.com" <hugh@veritas.com>,
	"arjan@infradead.org" <arjan@infradead.org>,
	"jbarnes@virtuousgeek.org" <jbarnes@virtuousgeek.org>,
	"rdreier@cisco.com" <rdreier@cisco.com>,
	"jeremy@goop.org" <jeremy@goop.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"Siddha, Suresh B" <suresh.b.siddha@intel.com>
Subject: Re: [patch 2/7] x86 PAT: Add follow_pfnmp_pte routine to help tracking pfnmap pages - v3
Date: Thu, 18 Dec 2008 14:15:13 -0800	[thread overview]
Message-ID: <20081218221512.GB3331@linux-os.sc.intel.com> (raw)
In-Reply-To: <20081218213112.GE10681@wotan.suse.de>

On Thu, Dec 18, 2008 at 01:31:12PM -0800, Nick Piggin wrote:
> On Thu, Dec 18, 2008 at 11:41:28AM -0800, venkatesh.pallipadi@intel.com wrote:
> > Add a generic interface to follow pfn in a pfnmap vma range. This is used by
> > one of the subsequent x86 PAT related patch to keep track of memory types
> > for vma regions across vma copy and free.
> > 
> > Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
> > Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
> 
> Can you please reuse follow_phys for this? (preferably use the same API
> even if it requires some modification, otherwise if not possible, then
> at least can you implement a common core for both APIs).
> 

Yes. Hadn't noticed the presence of follow_phys before. Will send a patch to
handle this.

Thanks,
Venki

  reply	other threads:[~2008-12-18 22:15 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-12-18 19:41 [patch 0/7] x86 PAT: track pfnmap mappings with remap_pfn_range vm_insert_pfn - v3 venkatesh.pallipadi
2008-12-18 19:41 ` [patch 1/7] x86 PAT: store vm_pgoff for all linear_over_vma_region mappings " venkatesh.pallipadi
2008-12-18 21:27   ` Nick Piggin
2008-12-18 22:10     ` Pallipadi, Venkatesh
2008-12-18 22:33       ` Nick Piggin
2008-12-18 19:41 ` [patch 2/7] x86 PAT: Add follow_pfnmp_pte routine to help tracking pfnmap pages " venkatesh.pallipadi
2008-12-18 21:31   ` Nick Piggin
2008-12-18 22:15     ` Pallipadi, Venkatesh [this message]
2008-12-18 19:41 ` [patch 3/7] x86 PAT: hooks in generic vm code to help archs to track pfnmap regions " venkatesh.pallipadi
2008-12-18 21:35   ` Nick Piggin
2008-12-18 22:23     ` Pallipadi, Venkatesh
2008-12-18 19:41 ` [patch 4/7] x86 PAT: Implement track/untrack of pfnmap regions for x86 " venkatesh.pallipadi
2008-12-18 21:38   ` Nick Piggin
2008-12-18 21:40     ` H. Peter Anvin
2008-12-18 21:46       ` Ingo Molnar
2008-12-18 21:53         ` Pallipadi, Venkatesh
2008-12-18 19:41 ` [patch 5/7] x86 PAT: change pgprot_noncached to uc_minus instead of strong uc " venkatesh.pallipadi
2008-12-18 19:41 ` [patch 6/7] x86 PAT: add pgprot_writecombine() interface for drivers " venkatesh.pallipadi
2008-12-18 19:41 ` [patch 7/7] x86 PAT: update documentation to cover pgprot and remap_pfn related changes " venkatesh.pallipadi
2008-12-18 21:13   ` Randy Dunlap
2008-12-18 21:49     ` Pallipadi, Venkatesh
2008-12-18 21:53       ` Randy Dunlap
2008-12-18 22:03         ` Pallipadi, Venkatesh
2008-12-18 21:17 ` [patch 0/7] x86 PAT: track pfnmap mappings with remap_pfn_range vm_insert_pfn " H. Peter Anvin

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