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Re: [Qemu-devel] [PATCH] Make target_phys_addr_t 64 bits unconditionally
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From: |
Michael Tokarev |
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Subject: |
Re: [Qemu-devel] [PATCH] Make target_phys_addr_t 64 bits unconditionally |
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Date: |
Thu, 04 Oct 2012 14:23:40 +0400 |
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User-agent: |
Mozilla/5.0 (X11; Linux i686 on x86_64; rv:10.0.6esrpre) Gecko/20120817 Icedove/10.0.6 |
On 04.10.2012 14:07, Avi Kivity wrote:
> The hassle and compile time overhead of maintaining both 32-bit and 64-bit
> capable source isn't worth the tiny performance advantage which is seen on
> a minority of configurations. Switch to compiling libhw only once, with
> target_phys_addr_t unconditionally typedefed to uint64_t.
Isn't it the real difference between qemu-system-i386 and qemu-system-x86_64,
and why -i386 is quite a bit faster in TCG mode than -x86-64, as has been
noted by Jan?
Just.. asking :)
Thanks,
/mjt