tree 8fba99fc6e39e35fd0416d0ce5d5593944241153
parent 4416f3968a23e25a257d679227a89710447760ab
author Anton Blanchard <[EMAIL PROTECTED]> Fri, 08 Jul 2005 07:56:15 -0700
committer Linus Torvalds <[EMAIL PROTECTED]> Fri, 08 Jul 2005 08:23:37 -0700
[PATCH] ppc64: add ioprio syscalls
- Clean up sys32_getpriority comment.
- Add ioprio syscalls, and sign extend 32bit versions.
Signed-off-by: Anton Blanchard <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
arch/ppc64/kernel/misc.S | 6 +++++-
arch/ppc64/kernel/sys_ppc32.c | 27 +++++++++++++++++----------
include/asm-ppc64/unistd.h | 4 +++-
3 files changed, 25 insertions(+), 12 deletions(-)
diff --git a/arch/ppc64/kernel/misc.S b/arch/ppc64/kernel/misc.S
--- a/arch/ppc64/kernel/misc.S
+++ b/arch/ppc64/kernel/misc.S
@@ -1124,9 +1124,11 @@ _GLOBAL(sys_call_table32)
.llong .compat_sys_mq_getsetattr
.llong .compat_sys_kexec_load
.llong .sys32_add_key
- .llong .sys32_request_key
+ .llong .sys32_request_key /* 270 */
.llong .compat_sys_keyctl
.llong .compat_sys_waitid
+ .llong .sys32_ioprio_set
+ .llong .sys32_ioprio_get
.balign 8
_GLOBAL(sys_call_table)
@@ -1403,3 +1405,5 @@ _GLOBAL(sys_call_table)
.llong .sys_request_key /* 270 */
.llong .sys_keyctl
.llong .sys_waitid
+ .llong .sys_ioprio_set
+ .llong .sys_ioprio_get
diff --git a/arch/ppc64/kernel/sys_ppc32.c b/arch/ppc64/kernel/sys_ppc32.c
--- a/arch/ppc64/kernel/sys_ppc32.c
+++ b/arch/ppc64/kernel/sys_ppc32.c
@@ -822,16 +822,6 @@ asmlinkage long sys32_getpgid(u32 pid)
}
-/* Note: it is necessary to treat which and who as unsigned ints,
- * with the corresponding cast to a signed int to insure that the
- * proper conversion (sign extension) between the register representation of a
signed int (msr in 32-bit mode)
- * and the register representation of a signed int (msr in 64-bit mode) is
performed.
- */
-asmlinkage long sys32_getpriority(u32 which, u32 who)
-{
- return sys_getpriority((int)which, (int)who);
-}
-
/* Note: it is necessary to treat pid as an unsigned int,
* with the corresponding cast to a signed int to insure that the
@@ -1023,6 +1013,11 @@ asmlinkage long sys32_setpgid(u32 pid, u
return sys_setpgid((int)pid, (int)pgid);
}
+long sys32_getpriority(u32 which, u32 who)
+{
+ /* sign extend which and who */
+ return sys_getpriority((int)which, (int)who);
+}
long sys32_setpriority(u32 which, u32 who, u32 niceval)
{
@@ -1030,6 +1025,18 @@ long sys32_setpriority(u32 which, u32 wh
return sys_setpriority((int)which, (int)who, (int)niceval);
}
+long sys32_ioprio_get(u32 which, u32 who)
+{
+ /* sign extend which and who */
+ return sys_ioprio_get((int)which, (int)who);
+}
+
+long sys32_ioprio_set(u32 which, u32 who, u32 ioprio)
+{
+ /* sign extend which, who and ioprio */
+ return sys_ioprio_set((int)which, (int)who, (int)ioprio);
+}
+
/* Note: it is necessary to treat newmask as an unsigned int,
* with the corresponding cast to a signed int to insure that the
* proper conversion (sign extension) between the register representation of a
signed int (msr in 32-bit mode)
diff --git a/include/asm-ppc64/unistd.h b/include/asm-ppc64/unistd.h
--- a/include/asm-ppc64/unistd.h
+++ b/include/asm-ppc64/unistd.h
@@ -283,8 +283,10 @@
#define __NR_request_key 270
#define __NR_keyctl 271
#define __NR_waitid 272
+#define __NR_ioprio_set 273
+#define __NR_ioprio_get 274
-#define __NR_syscalls 273
+#define __NR_syscalls 275
#ifdef __KERNEL__
#define NR_syscalls __NR_syscalls
#endif
-
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