On Wed, Dec 16, 2015 at 11:57:33AM +0100, Paolo Bonzini wrote: > memcpy can take a large amount of time for small reads and writes. > For virtio it is a common case that the first iovec can satisfy the > whole read or write. In that case, and if bytes is a constant to > avoid excessive growth of code, inline the first iteration > into the caller. > > Signed-off-by: Paolo Bonzini <pbonz...@redhat.com> > --- > include/qemu/iov.h | 32 ++++++++++++++++++++++++++++---- > util/iov.c | 8 ++++---- > 2 files changed, 32 insertions(+), 8 deletions(-)
Thanks, applied to my block-next tree: https://github.com/stefanha/qemu/commits/block-next Stefan
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