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Re: [PATCH 1/2] Fix libvhost-user.c compilation.
From: |
Michael S. Tsirkin |
Subject: |
Re: [PATCH 1/2] Fix libvhost-user.c compilation. |
Date: |
Fri, 7 Apr 2023 03:56:39 -0400 |
On Wed, Apr 05, 2023 at 02:59:19PM +0200, David 'Digit' Turner wrote:
> The source file uses VIRTIO_F_VERSION_1 which is
> not defined by <linux/virtio_config.h> on Debian 10.
>
> The system-provided <linux/virtio_config.h> which
> does not include the macro definition is included
> through <linux/vhost.h>, so fix the issue by including
> the standard-headers version before that.
>
> Signed-off-by: David 'Digit' Turner <digit@google.com>
I don't get it. ./linux-headers/linux/vhost.h does not seem
to use <linux/virtio_config.h> for me.
In fact nothing does:
$ git grep linux/virtio_config.h
include/hw/virtio/virtio.h:#include "standard-headers/linux/virtio_config.h"
include/standard-headers/linux/vhost_types.h:#include
"standard-headers/linux/virtio_config.h"
include/standard-headers/linux/virtio_9p.h:#include
"standard-headers/linux/virtio_config.h"
include/standard-headers/linux/virtio_balloon.h:#include
"standard-headers/linux/virtio_config.h"
include/standard-headers/linux/virtio_blk.h:#include
"standard-headers/linux/virtio_config.h"
include/standard-headers/linux/virtio_console.h:#include
"standard-headers/linux/virtio_config.h"
include/standard-headers/linux/virtio_crypto.h:#include
"standard-headers/linux/virtio_config.h"
include/standard-headers/linux/virtio_fs.h:#include
"standard-headers/linux/virtio_config.h"
include/standard-headers/linux/virtio_mem.h:#include
"standard-headers/linux/virtio_config.h"
include/standard-headers/linux/virtio_net.h:#include
"standard-headers/linux/virtio_config.h"
include/standard-headers/linux/virtio_pmem.h:#include
"standard-headers/linux/virtio_config.h"
include/standard-headers/linux/virtio_rng.h:#include
"standard-headers/linux/virtio_config.h"
include/standard-headers/linux/virtio_vsock.h:#include
"standard-headers/linux/virtio_config.h"
linux-headers/linux/virtio_config.h:#include
"standard-headers/linux/virtio_config.h"
scripts/update-linux-headers.sh:cat <<EOF
>$output/linux-headers/linux/virtio_config.h
scripts/update-linux-headers.sh:#include
"standard-headers/linux/virtio_config.h"
subprojects/libvduse/libvduse.c:#include "linux-headers/linux/virtio_config.h"
tests/qtest/fuzz/virtio_net_fuzz.c:#include
"standard-headers/linux/virtio_config.h"
tests/qtest/libqos/virtio-gpio.c:#include
"standard-headers/linux/virtio_config.h"
tests/qtest/libqos/virtio-pci-modern.c:#include
"standard-headers/linux/virtio_config.h"
tests/qtest/libqos/virtio.c:#include "standard-headers/linux/virtio_config.h"
> ---
> subprojects/libvhost-user/libvhost-user.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/subprojects/libvhost-user/libvhost-user.c
> b/subprojects/libvhost-user/libvhost-user.c
> index 0200b78e8e..0a5768cb55 100644
> --- a/subprojects/libvhost-user/libvhost-user.c
> +++ b/subprojects/libvhost-user/libvhost-user.c
> @@ -32,6 +32,12 @@
> #include <sys/mman.h>
> #include <endian.h>
>
> +/* Necessary to provide VIRTIO_F_VERSION_1 on system
> + * with older linux headers. Must appear before
> + * <linux/vhost.h> below.
> + */
> +#include "standard-headers/linux/virtio_config.h"
> +
> #if defined(__linux__)
> #include <sys/syscall.h>
> #include <fcntl.h>
> --
> 2.40.0.348.gf938b09366-goog
Re: [PATCH 0/2] Fix QEMU compilation on Debian 10, Paolo Bonzini, 2023/04/26