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Re: [Qemu-devel] [patch 2/2] i386: pc: align gpa<->hpa on 1GB boundary
From: |
Marcelo Tosatti |
Subject: |
Re: [Qemu-devel] [patch 2/2] i386: pc: align gpa<->hpa on 1GB boundary |
Date: |
Fri, 25 Oct 2013 17:50:32 -0200 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Fri, Oct 25, 2013 at 09:52:34AM +0100, Paolo Bonzini wrote:
> Because offsets are zero, and lengths match the RAM block lengths, you
> do not need any complication with aliasing. This still has to be done
> only for new machine types.
Not possible because you just wasted holesize bytes (if number of
additional bytes due to huge page alignment is smaller than holesize, a
new hugepage is required, which is not acceptable).
Is there a tree the new machine types can live until 1.8 opens up?
Can you pick up the MAP_POPULATE patch?
- [Qemu-devel] [patch 0/2] align >4GB guest RAM to a 1GB boundary, in case of 1GB-sized hugetlbfs, Marcelo Tosatti, 2013/10/24
- [Qemu-devel] [patch 1/2] exec: add qemu_get_ram_hpagesize, Marcelo Tosatti, 2013/10/24
- [Qemu-devel] [patch 2/2] i386: pc: align gpa<->hpa on 1GB boundary, Marcelo Tosatti, 2013/10/24
- Re: [Qemu-devel] [patch 2/2] i386: pc: align gpa<->hpa on 1GB boundary, Peter Maydell, 2013/10/24
- Re: [Qemu-devel] [patch 2/2] i386: pc: align gpa<->hpa on 1GB boundary, Paolo Bonzini, 2013/10/24
- Re: [Qemu-devel] [patch 2/2] i386: pc: align gpa<->hpa on 1GB boundary, Marcelo Tosatti, 2013/10/25
- Re: [Qemu-devel] [patch 2/2] i386: pc: align gpa<->hpa on 1GB boundary, Paolo Bonzini, 2013/10/25
- Re: [Qemu-devel] [patch 2/2] i386: pc: align gpa<->hpa on 1GB boundary,
Marcelo Tosatti <=
- Re: [Qemu-devel] [patch 2/2] i386: pc: align gpa<->hpa on 1GB boundary, Paolo Bonzini, 2013/10/25
- Re: [Qemu-devel] [patch 2/2] i386: pc: align gpa<->hpa on 1GB boundary, Gerd Hoffmann, 2013/10/30
- Re: [Qemu-devel] [patch 2/2] i386: pc: align gpa<->hpa on 1GB boundary, Paolo Bonzini, 2013/10/30
- Re: [Qemu-devel] [patch 2/2] i386: pc: align gpa<->hpa on 1GB boundary, igor Mammedov, 2013/10/25
- Re: [Qemu-devel] [patch 2/2] i386: pc: align gpa<->hpa on 1GB boundary, Marcelo Tosatti, 2013/10/25
- Re: [Qemu-devel] [patch 2/2] i386: pc: align gpa<->hpa on 1GB boundary, igor Mammedov, 2013/10/27
- Re: [Qemu-devel] [patch 2/2] i386: pc: align gpa<->hpa on 1GB boundary, Marcelo Tosatti, 2013/10/28
- Re: [Qemu-devel] [patch 2/2] i386: pc: align gpa<->hpa on 1GB boundary, Marcelo Tosatti, 2013/10/28
- Re: [Qemu-devel] [patch 2/2] i386: pc: align gpa<->hpa on 1GB boundary, Igor Mammedov, 2013/10/29
- Re: [Qemu-devel] [patch 2/2] i386: pc: align gpa<->hpa on 1GB boundary, Marcelo Tosatti, 2013/10/29