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Re: [Qemu-ppc] [RFC for-2.13 0/7] spapr: Clean up pagesize handling
From: |
David Gibson |
Subject: |
Re: [Qemu-ppc] [RFC for-2.13 0/7] spapr: Clean up pagesize handling |
Date: |
Tue, 24 Apr 2018 11:26:22 +1000 |
User-agent: |
Mutt/1.9.2 (2017-12-15) |
On Mon, Apr 23, 2018 at 10:31:39AM +0200, Andrea Bolognani wrote:
> On Fri, 2018-04-20 at 20:21 +1000, David Gibson wrote:
> > On Fri, Apr 20, 2018 at 11:31:10AM +0200, Andrea Bolognani wrote:
> > > I'll check out what other distros are doing: if all the major ones
> > > are defaulting to 64 KiB pages these days, it might be reasonable
> > > to do the same and pretend smaller page sizes don't exist at all in
> > > order to avoid the pain of having to tweak yet another knob, even
> > > if that means leaving people compiling their own custom kernels
> > > with 4 KiB page size in the dust.
> >
> > That's my guess.
>
> I just checked RHEL 7, Fedora 27, OpenSUSE Leap 42.3, Debian 9 and
> Ubuntu 16.04: they all use 64 KiB pages, so I'd conclude leaving
> out 4 KiB pages support is basically a non-issue.
Good to hear, thanks for checking.
--
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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- [Qemu-ppc] [RFC for-2.13 7/7] spapr_pci: Remove unhelpful pagesize warning, (continued)
- [Qemu-ppc] [RFC for-2.13 7/7] spapr_pci: Remove unhelpful pagesize warning, David Gibson, 2018/04/19
- [Qemu-ppc] [RFC for-2.13 4/7] spapr: Add cpu_apply hook to capabilities, David Gibson, 2018/04/19
- [Qemu-ppc] [RFC for-2.13 5/7] spapr: Limit available pagesizes to provide a consistent guest environment, David Gibson, 2018/04/19
- [Qemu-ppc] [RFC for-2.13 6/7] spapr: Don't rewrite mmu capabilities in KVM mode, David Gibson, 2018/04/19
- [Qemu-ppc] [RFC for-2.13 1/7] spapr: Maximum (HPT) pagesize property, David Gibson, 2018/04/19
- Re: [Qemu-ppc] [RFC for-2.13 0/7] spapr: Clean up pagesize handling, Andrea Bolognani, 2018/04/19
- Re: [Qemu-ppc] [RFC for-2.13 0/7] spapr: Clean up pagesize handling, Andrea Bolognani, 2018/04/25
- Re: [Qemu-ppc] [RFC for-2.13 0/7] spapr: Clean up pagesize handling, David Gibson, 2018/04/25
- Re: [Qemu-ppc] [RFC for-2.13 0/7] spapr: Clean up pagesize handling, Andrea Bolognani, 2018/04/26
- Re: [Qemu-ppc] [RFC for-2.13 0/7] spapr: Clean up pagesize handling, David Gibson, 2018/04/26
- Re: [Qemu-ppc] [RFC for-2.13 0/7] spapr: Clean up pagesize handling, Andrea Bolognani, 2018/04/27
- Re: [Qemu-ppc] [RFC for-2.13 0/7] spapr: Clean up pagesize handling, David Gibson, 2018/04/27