[Qemu-devel] Re: [PATCH] exec: optimize lduw_phys and stw_phys

[Bernhard Kohl]

Am 05.05.2010 18:17, schrieb Bernhard Kohl:
> Implementation of the optimized code for these two functions.
>
> This is necessary for virtio which reads and writes VirtQueue index
> fields using these functions. The assumption is that this are atomic
> operations, which is not the case, if the memcpy() function which is
> used in the non optimized code does single byte copying. This happens
> for example with an older WindRiver glibc.
>
> Signed-off-by: Bernhard Kohl <address@hidden>

Hi,

due to a mail server malfunction I resent this message one day later.
Please ignore this one.

Bernhard