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Re: [Qemu-devel] [PATCH 2/9] alpha-linux-user: Work around hosted mmap a
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From: |
Alexander Graf |
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Subject: |
Re: [Qemu-devel] [PATCH 2/9] alpha-linux-user: Work around hosted mmap allocation problems |
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Date: |
Tue, 12 Jun 2012 16:53:53 +0200 |
On 12.06.2012, at 16:27, Richard Henderson <address@hidden> wrote:
> On 2012-06-12 07:12, Andreas Färber wrote:
>> This looks fishy to me... why should the kernel use a bigger address
>> space than hardware? For arm on x86_64 such a workaround was not
>> necessary iirc.
>
> I can tell you what I observe. That with a certain sequence of
> allocations the x86_64 kernel will quit accepting an address "near"
> (1<<38) as a hint for where to allocate memory and begin returning
> an addresses near (1<<48).
Hrm, does -R work for you? :)
Alex
[Qemu-devel] [PATCH 3/9] alpha-linux-user: Handle TARGET_SSI_IEEE_RAISE_EXCEPTION properly, Richard Henderson, 2012/06/07
[Qemu-devel] [PATCH 6/9] linux-user: Translate pipe2 flags; add to strace, Richard Henderson, 2012/06/07
[Qemu-devel] [PATCH 5/9] linux-user: Allocate the right amount of space for non-fixed file maps, Richard Henderson, 2012/06/07
[Qemu-devel] [PATCH 4/9] linux-user: Handle O_SYNC, O_NOATIME, O_CLOEXEC, O_PATH, Richard Henderson, 2012/06/07
[Qemu-devel] [PATCH 7/9] alpha-linux-user: Fix a3 error return with v0 error bypass., Richard Henderson, 2012/06/07