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In-Reply-To: <20170727062455.15404-1-aneesh.kumar@linux.vnet.ibm.com>
To: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>,
 benh@kernel.crashing.org, paulus@samba.org
From: Michael Ellerman <patch-notifications@ellerman.id.au>
Cc: linuxppc-dev@lists.ozlabs.org,
 "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Subject: Re: [v3,1/3] powerpc/mm: Rename find_linux_pte_or_hugepte
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Date: Mon, 21 Aug 2017 23:39:08 +1000 (AEST)
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On Thu, 2017-07-27 at 06:24:53 UTC, "Aneesh Kumar K.V" wrote:
> Add newer helpers to make the function usage simpler. It is always recommended
> to use find_current_mm_pte() for walking the page table. If we cannot use
> find_current_mm_pte(), it should be documented why the said usage of
> __find_linux_pte() is safe against a parallel THP split.
> 
> For now we have KVM code using __find_linux_pte(). This is because kvm code ends
> up calling __find_linux_pte() in real mode with MSR_EE=0 but with PACA soft_enabled =
> 1. We may want to fix that later and make sure we keep the MSR_EE and  PACA
> soft_enabled in sync. When we do that we can switch kvm to use find_linux_pte().
> 
> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>

Applied to powerpc next and topic/ppc-kvm, thanks.

https://git.kernel.org/powerpc/c/94171b19c3f1f4d9d4c0e3aaa1aa16

cheers