From: Richard Henderson <rth@twiddle.net>
To: Helge Deller <deller@gmx.de>,
qemu-devel@nongnu.org, Riku Voipio <riku.voipio@iki.fi>
Subject: Re: [Qemu-devel] [PATCH] linux-user: Add TARGET_MAP_STACK and TARGET_MAP_HUGETLB for all remaining architectures
Date: Tue, 14 Mar 2017 06:52:19 +1000 [thread overview]
Message-ID: <2bd34b43-7efc-8081-c637-2fbeb0747926@twiddle.net> (raw)
In-Reply-To: <198870a8-664f-06a0-e479-2167ebbfb01d@gmx.de>
On 03/14/2017 12:09 AM, Helge Deller wrote:
> But the main intention of my patch was not to fix MAP_STACK or MAP_HUGETLB,
> but more to ensure that those flags are avoided to be handed over to the host.
> For example, TARGET_MAP_STACK is 0x40000 on hppa, and if it's not filtered out
> in e.g. a mmap() call, then this becomes to MAP_HUGETLB on x86_64 (which is
> 0x40000 on x86_64).
Ah... yes. That is a much better point.
r~
prev parent reply other threads:[~2017-03-13 20:52 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-11 18:30 [Qemu-devel] [PATCH] linux-user: Add TARGET_MAP_STACK and TARGET_MAP_HUGETLB for all remaining architectures Helge Deller
2017-03-11 18:33 ` no-reply
2017-03-11 21:53 ` Richard Henderson
2017-03-13 14:09 ` Helge Deller
2017-03-13 20:52 ` Richard Henderson [this message]
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