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RAMBlocks: qemu_ram_is_shared

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Provide a helper to say whether a RAMBlock was created as a
shared mapping.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Dr. David Alan Gilbert 2017-03-07 18:36:36 +00:00 committed by Juan Quintela
parent e1e686c1fa
commit 463a4ac23b
2 changed files with 6 additions and 0 deletions
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5
exec.c
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@ -1561,6 +1561,11 @@ const char *qemu_ram_get_idstr(RAMBlock *rb)
return rb->idstr; return rb->idstr;
} }
bool qemu_ram_is_shared(RAMBlock *rb)
{
return rb->flags & RAM_SHARED;
}
/* Called with iothread lock held. */ /* Called with iothread lock held. */
void qemu_ram_set_idstr(RAMBlock *new_block, const char *name, DeviceState *dev) void qemu_ram_set_idstr(RAMBlock *new_block, const char *name, DeviceState *dev)
{ {

1
include/exec/cpu-common.h
View File

@ -69,6 +69,7 @@ RAMBlock *qemu_ram_block_from_host(void *ptr, bool round_offset,
void qemu_ram_set_idstr(RAMBlock *block, const char *name, DeviceState *dev); void qemu_ram_set_idstr(RAMBlock *block, const char *name, DeviceState *dev);
void qemu_ram_unset_idstr(RAMBlock *block); void qemu_ram_unset_idstr(RAMBlock *block);
const char *qemu_ram_get_idstr(RAMBlock *rb); const char *qemu_ram_get_idstr(RAMBlock *rb);
bool qemu_ram_is_shared(RAMBlock *rb);
size_t qemu_ram_pagesize(RAMBlock *block); size_t qemu_ram_pagesize(RAMBlock *block);
size_t qemu_ram_pagesize_largest(void); size_t qemu_ram_pagesize_largest(void);