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author | David S. Miller <davem@davemloft.net> | 2008-07-18 13:39:39 +0400 |
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committer | David S. Miller <davem@davemloft.net> | 2008-07-18 13:39:39 +0400 |
commit | 49997d75152b3d23c53b0fa730599f2f74c92c65 (patch) | |
tree | 46e93126170d02cfec9505172e545732c1b69656 /arch/x86/xen/multicalls.h | |
parent | a0c80b80e0fb48129e4e9d6a9ede914f9ff1850d (diff) | |
parent | 5b664cb235e97afbf34db9c4d77f08ebd725335e (diff) | |
download | linux-49997d75152b3d23c53b0fa730599f2f74c92c65.tar.xz |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
Documentation/powerpc/booting-without-of.txt
drivers/atm/Makefile
drivers/net/fs_enet/fs_enet-main.c
drivers/pci/pci-acpi.c
net/8021q/vlan.c
net/iucv/iucv.c
Diffstat (limited to 'arch/x86/xen/multicalls.h')
-rw-r--r-- | arch/x86/xen/multicalls.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/xen/multicalls.h b/arch/x86/xen/multicalls.h index 8bae996d99a3..858938241616 100644 --- a/arch/x86/xen/multicalls.h +++ b/arch/x86/xen/multicalls.h @@ -45,4 +45,16 @@ static inline void xen_mc_issue(unsigned mode) /* Set up a callback to be called when the current batch is flushed */ void xen_mc_callback(void (*fn)(void *), void *data); +/* + * Try to extend the arguments of the previous multicall command. The + * previous command's op must match. If it does, then it attempts to + * extend the argument space allocated to the multicall entry by + * arg_size bytes. + * + * The returned multicall_space will return with mc pointing to the + * command on success, or NULL on failure, and args pointing to the + * newly allocated space. + */ +struct multicall_space xen_mc_extend_args(unsigned long op, size_t arg_size); + #endif /* _XEN_MULTICALLS_H */ |