diff options
| author | Jes Sorensen <jes@sgi.com> | 2006-01-17 18:52:21 +0100 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2006-01-17 22:53:24 +0100 |
| commit | f9e505a9a03df5acace6e758c8d12982635a1c64 (patch) | |
| tree | c336b36fd18dd1fc1f316cb55ad52c67da2ffd8a /include/asm-ia64/sn | |
| parent | [IA64-SGI] pass segment# on SN_SAL_IOIF_SLOT_{DIS,EN}ABLE calls (diff) | |
| download | linux-f9e505a9a03df5acace6e758c8d12982635a1c64.tar.xz linux-f9e505a9a03df5acace6e758c8d12982635a1c64.zip | |
[IA64-SGI] sn2 mutex conversion
Migrate sn2 code to use mutex and completion events rather than
semaphores.
Signed-off-by: Jes Sorensen <jes@sgi.com>
Acked-by: Dean Nelson <dcn@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'include/asm-ia64/sn')
| -rw-r--r-- | include/asm-ia64/sn/xp.h | 3 | ||||
| -rw-r--r-- | include/asm-ia64/sn/xpc.h | 9 |
2 files changed, 7 insertions, 5 deletions
diff --git a/include/asm-ia64/sn/xp.h b/include/asm-ia64/sn/xp.h index 203945ae034e..9bd2f9bf329b 100644 --- a/include/asm-ia64/sn/xp.h +++ b/include/asm-ia64/sn/xp.h @@ -18,6 +18,7 @@ #include <linux/cache.h> #include <linux/hardirq.h> +#include <linux/mutex.h> #include <asm/sn/types.h> #include <asm/sn/bte.h> @@ -359,7 +360,7 @@ typedef void (*xpc_notify_func)(enum xpc_retval reason, partid_t partid, * the channel. */ struct xpc_registration { - struct semaphore sema; + struct mutex mutex; xpc_channel_func func; /* function to call */ void *key; /* pointer to user's key */ u16 nentries; /* #of msg entries in local msg queue */ diff --git a/include/asm-ia64/sn/xpc.h b/include/asm-ia64/sn/xpc.h index 87e9cd588510..0c36928ffd8b 100644 --- a/include/asm-ia64/sn/xpc.h +++ b/include/asm-ia64/sn/xpc.h @@ -19,6 +19,8 @@ #include <linux/interrupt.h> #include <linux/sysctl.h> #include <linux/device.h> +#include <linux/mutex.h> +#include <linux/completion.h> #include <asm/pgtable.h> #include <asm/processor.h> #include <asm/sn/bte.h> @@ -335,8 +337,7 @@ struct xpc_openclose_args { * and consumed by the intended recipient. */ struct xpc_notify { - struct semaphore sema; /* notify semaphore */ - volatile u8 type; /* type of notification */ + volatile u8 type; /* type of notification */ /* the following two fields are only used if type == XPC_N_CALL */ xpc_notify_func func; /* user's notify function */ @@ -465,8 +466,8 @@ struct xpc_channel { xpc_channel_func func; /* user's channel function */ void *key; /* pointer to user's key */ - struct semaphore msg_to_pull_sema; /* next msg to pull serialization */ - struct semaphore wdisconnect_sema; /* wait for channel disconnect */ + struct mutex msg_to_pull_mutex; /* next msg to pull serialization */ + struct completion wdisconnect_wait; /* wait for channel disconnect */ struct xpc_openclose_args *local_openclose_args; /* args passed on */ /* opening or closing of channel */ |