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

[Bernhard Kohl]

Am 06.05.2010 15:55, 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,

the same patch posted by Michael S. Tsirkin was commited one hour
after I sent this message.

topic: [PATCH] qemu: address todo comment in exec.c
commit: 733f0b02c80c3a7106d8327a83948ab68db10ea7

So this issue is closed.

Bernhard