From: David Gibson <david@gibson.dropbear.id.au>
To: Alexey Kardashevskiy <aik@ozlabs.ru>
Cc: linuxppc-dev@lists.ozlabs.org, Alexander Graf <agraf@suse.com>,
Paul Mackerras <paulus@samba.org>,
kvm-ppc@vger.kernel.org, kvm@vger.kernel.org
Subject: Re: [PATCH kernel v3 1/7] powerpc: Make vmalloc_to_phys() public
Date: Mon, 15 Feb 2016 14:47:29 +1100 [thread overview]
Message-ID: <20160215034729.GT2732@voom.fritz.box> (raw)
In-Reply-To: <1455501309-47200-2-git-send-email-aik@ozlabs.ru>
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On Mon, Feb 15, 2016 at 12:55:03PM +1100, Alexey Kardashevskiy wrote:
> This makes vmalloc_to_phys() public as there will be another user
> (KVM in-kernel VFIO acceleration) for it soon. As this new user
> can be compiled as a module, this exports the symbol.
>
> As a little optimization, this changes the helper to call
> vmalloc_to_pfn() instead of vmalloc_to_page() as the size of the
> struct page may not be power-of-two aligned which will make gcc use
> multiply instructions instead of shifts.
>
> Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
> Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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next prev parent reply other threads:[~2016-02-15 5:21 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-15 1:55 [PATCH kernel v3 0/7] KVM: PPC: Add in-kernel multitce handling Alexey Kardashevskiy
2016-02-15 1:55 ` [PATCH kernel v3 1/7] powerpc: Make vmalloc_to_phys() public Alexey Kardashevskiy
2016-02-15 3:47 ` David Gibson [this message]
2016-02-15 1:55 ` [PATCH kernel v3 2/7] KVM: PPC: Rework H_PUT_TCE/H_GET_TCE handlers Alexey Kardashevskiy
2016-02-15 3:53 ` David Gibson
2016-02-15 1:55 ` [PATCH kernel v3 3/7] KVM: PPC: Use RCU for arch.spapr_tce_tables Alexey Kardashevskiy
2016-02-15 1:55 ` [PATCH kernel v3 4/7] KVM: PPC: Account TCE-containing pages in locked_vm Alexey Kardashevskiy
2016-02-15 4:08 ` David Gibson
2016-02-15 1:55 ` [PATCH kernel v3 5/7] KVM: PPC: Replace SPAPR_TCE_SHIFT with IOMMU_PAGE_SHIFT_4K Alexey Kardashevskiy
2016-02-15 1:55 ` [PATCH kernel v3 6/7] KVM: PPC: Move reusable bits of H_PUT_TCE handler to helpers Alexey Kardashevskiy
2016-02-15 22:59 ` David Gibson
2016-02-15 1:55 ` [PATCH kernel v3 7/7] KVM: PPC: Add support for multiple-TCE hcalls Alexey Kardashevskiy
2016-02-16 0:40 ` David Gibson
2016-02-16 1:05 ` Paul Mackerras
2016-02-16 2:14 ` David Gibson
2016-02-18 2:39 ` Alexey Kardashevskiy
2016-02-29 8:37 ` Paul Mackerras
2016-02-29 11:30 ` [PATCH kernel v3 0/7] KVM: PPC: Add in-kernel multitce handling Paul Mackerras
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