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tools/virtio: fix build

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[ Upstream commit a24ce06c70fe7df795a846ad713ccaa9b56a7666 ]

We use a spinlock now so add a stub.
Ignore bogus uninitialized variable warnings.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Michael S. Tsirkin 2021-08-10 12:26:05 -04:00 committed by AuxXxilium
parent dc3581d5b8
commit 6f1cbebf67
3 changed files with 60 additions and 1 deletions
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3
tools/virtio/Makefile
View File

@ -4,7 +4,8 @@ test: virtio_test vringh_test
virtio_test: virtio_ring.o virtio_test.o
vringh_test: vringh_test.o vringh.o virtio_ring.o
CFLAGS += -g -O2 -Werror -Wall -I. -I../include/ -I ../../usr/include/ -Wno-pointer-sign -fno-strict-overflow -fno-strict-aliasing -fno-common -MMD -U_FORTIFY_SOURCE -include ../../include/linux/kconfig.h
CFLAGS += -g -O2 -Werror -Wno-maybe-uninitialized -Wall -I. -I../include/ -I ../../usr/include/ -Wno-pointer-sign -fno-strict-overflow -fno-strict-aliasing -fno-common -MMD -U_FORTIFY_SOURCE -include ../../include/linux/kconfig.h
LDFLAGS += -lpthread
vpath %.c ../../drivers/virtio ../../drivers/vhost
mod:
${MAKE} -C `pwd`/../.. M=`pwd`/vhost_test V=${V}

56
tools/virtio/linux/spinlock.h Normal file
View File

@ -0,0 +1,56 @@
#ifndef SPINLOCK_H_STUB
#define SPINLOCK_H_STUB
#include <pthread.h>
typedef pthread_spinlock_t spinlock_t;
static inline void spin_lock_init(spinlock_t *lock)
{
int r = pthread_spin_init(lock, 0);
assert(!r);
}
static inline void spin_lock(spinlock_t *lock)
{
int ret = pthread_spin_lock(lock);
assert(!ret);
}
static inline void spin_unlock(spinlock_t *lock)
{
int ret = pthread_spin_unlock(lock);
assert(!ret);
}
static inline void spin_lock_bh(spinlock_t *lock)
{
spin_lock(lock);
}
static inline void spin_unlock_bh(spinlock_t *lock)
{
spin_unlock(lock);
}
static inline void spin_lock_irq(spinlock_t *lock)
{
spin_lock(lock);
}
static inline void spin_unlock_irq(spinlock_t *lock)
{
spin_unlock(lock);
}
static inline void spin_lock_irqsave(spinlock_t *lock, unsigned long f)
{
spin_lock(lock);
}
static inline void spin_unlock_irqrestore(spinlock_t *lock, unsigned long f)
{
spin_unlock(lock);
}
#endif

2
tools/virtio/linux/virtio.h
View File

@ -3,6 +3,7 @@
#define LINUX_VIRTIO_H
#include <linux/scatterlist.h>
#include <linux/kernel.h>
#include <linux/spinlock.h>
struct device {
void *parent;
@ -12,6 +13,7 @@ struct virtio_device {
struct device dev;
u64 features;
struct list_head vqs;
spinlock_t vqs_list_lock;
};
struct virtqueue {