unimore/kernel-hacking-2024-linux-steffo
unimore/kernel-hacking-2024-linux-steffo
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tools/virtio: fix build after 4.2 changes

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more stubs, mostly

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2015-09-09 22:03:30 +03:00
parent 997e120843
commit ddab2c0eaf
3 changed files with 13 additions and 0 deletions
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2
tools/virtio/asm/barrier.h
View file

@ -3,6 +3,8 @@
#define mb() __sync_synchronize()
#define smp_mb() mb()
# define dma_rmb() barrier()
# define dma_wmb() barrier()
# define smp_rmb() barrier()
# define smp_wmb() barrier()
/* Weak barriers should be used. If not - it's a bug */

3
tools/virtio/linux/export.h Normal file
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@ -0,0 +1,3 @@
#define EXPORT_SYMBOL_GPL(sym) extern typeof(sym) sym
#define EXPORT_SYMBOL(sym) extern typeof(sym) sym

8
tools/virtio/linux/kernel.h
View file

@ -22,6 +22,7 @@
typedef unsigned long long dma_addr_t;
typedef size_t __kernel_size_t;
typedef unsigned int __wsum;
struct page {
unsigned long long dummy;
@ -47,6 +48,13 @@ static inline void *kmalloc(size_t s, gfp_t gfp)
return __kmalloc_fake;
return malloc(s);
}
static inline void *kzalloc(size_t s, gfp_t gfp)
{
void *p = kmalloc(s, gfp);
memset(p, 0, s);
return p;
}
static inline void kfree(void *p)
{