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Re: [Qemu-ppc] [RFC for-2.13 0/7] spapr: Clean up pagesize handling
From: |
Andrea Bolognani |
Subject: |
Re: [Qemu-ppc] [RFC for-2.13 0/7] spapr: Clean up pagesize handling |
Date: |
Mon, 23 Apr 2018 10:31:39 +0200 |
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.
--
Andrea Bolognani / Red Hat / Virtualization
- [Qemu-ppc] [RFC for-2.13 2/7] spapr: Use maximum page size capability to simplify memory backend checking, (continued)
- [Qemu-ppc] [RFC for-2.13 2/7] spapr: Use maximum page size capability to simplify memory backend checking, David Gibson, 2018/04/19
- [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