[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH v2 0/3] virtio: cross-endian helpers fixes
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] [PATCH v2 0/3] virtio: cross-endian helpers fixes |
Date: |
Wed, 23 Dec 2015 15:47:00 +0200 |
On Thu, Dec 17, 2015 at 09:52:46AM +0100, Greg Kurz wrote:
> This series tries to rework cross-endian helpers for better clarity.
> It does not change behaviour, except perhaps patch 3/3 even if I could not
> measure any performance gain.
Breaks build:
CC mips64-softmmu/hw/mips/mips_malta.o
/home/mst/scm/qemu/hw/net/vhost_net.c: In function
‘vhost_net_set_vnet_endian’:
/home/mst/scm/qemu/hw/net/vhost_net.c:208:10: error: implicit
declaration of function ‘virtio_legacy_is_cross_endian’
[-Werror=implicit-function-declaration]
(virtio_legacy_is_cross_endian(dev) &&
!virtio_is_big_endian(dev))) {
^
/home/mst/scm/qemu/hw/net/vhost_net.c:208:9: error: nested extern
declaration of ‘virtio_legacy_is_cross_endian’ [-Werror=nested-externs]
(virtio_legacy_is_cross_endian(dev) &&
!virtio_is_big_endian(dev))) {
^
cc1: all warnings being treated as errors
/home/mst/scm/qemu/rules.mak:57: recipe for target 'hw/net/vhost_net.o'
failed
make[1]: *** [hw/net/vhost_net.o] Error 1
Makefile:186: recipe for target 'subdir-i386-softmmu' failed
make: *** [subdir-i386-softmmu] Error 2
please always build all architectures.
> ---
>
> Greg Kurz (3):
> virtio: move cross-endian helper to vhost
> vhost: move virtio 1.0 check to cross-endian helper
> virtio: optimize virtio_access_is_big_endian() for little-endian targets
>
>
> hw/virtio/vhost.c | 22 ++++++++++++++++++----
> include/hw/virtio/virtio-access.h | 16 +++-------------
> 2 files changed, 21 insertions(+), 17 deletions(-)