From: Richard Henderson <rth@twiddle.net>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: riku.voipio@iki.fi, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 0/2] vdso for x86_64-linux-user
Date: Wed, 24 Jul 2013 06:34:54 -1000 [thread overview]
Message-ID: <51F0022E.7010507@twiddle.net> (raw)
In-Reply-To: <CAFEAcA9=-bN7b=sQR3oHbQfoPsJjJd5B9conRp_bbwybQmLBoQ@mail.gmail.com>
On 07/23/2013 11:15 AM, Peter Maydell wrote:
> On 23 July 2013 21:27, Richard Henderson <rth@twiddle.net> wrote:
>> This is a refresh of a patch I wrote in 2010, and have re-posted every
>> 6 months thereafter. To my knowledge, it has never been reviewed.
>>
>> It supplies a replacement for the required x86-64 vdso. Anyone trying
>> to emulate x86_64-linux on a host other than same will quickly run into
>> the lack of a gettimeofday syscall, which glibc assumes is always
>> provided by the vdso.
>
> Do we really need to mess with building an x86 shared object
> and pulling it in, rather than the kind of ad-hoc way we
> handle the ARM commpage?
Isn't the arm ad-hoc really the much larger and uglier hack?
r~
next prev parent reply other threads:[~2013-07-24 16:35 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-23 20:27 [Qemu-devel] [PATCH 0/2] vdso for x86_64-linux-user Richard Henderson
2013-07-23 20:27 ` [Qemu-devel] [PATCH 1/2] linux-user: Build vdso for x64 Richard Henderson
2013-07-23 20:27 ` [Qemu-devel] [PATCH 2/2] linux-user: Load a VDSO for x86-64 Richard Henderson
2013-07-23 21:15 ` [Qemu-devel] [PATCH 0/2] vdso for x86_64-linux-user Peter Maydell
2013-07-24 16:34 ` Richard Henderson [this message]
2013-07-24 16:39 ` Peter Maydell
2013-07-24 17:37 ` Richard Henderson
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