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authorLen Brown <len.brown@intel.com>2005-12-06 23:31:30 +0100
committerLen Brown <len.brown@intel.com>2005-12-06 23:31:30 +0100
commit3d5271f9883cba7b54762bc4fe027d4172f06db7 (patch)
treeab8a881a14478598a0c8bda0d26c62cdccfffd6d /include/asm-ppc/futex.h
parent[ACPI] 8250_acpi.c buildfix (diff)
parentAuto-update from upstream (diff)
downloadlinux-3d5271f9883cba7b54762bc4fe027d4172f06db7.tar.xz
linux-3d5271f9883cba7b54762bc4fe027d4172f06db7.zip
Pull release into acpica branch
Diffstat (limited to 'include/asm-ppc/futex.h')
-rw-r--r--include/asm-ppc/futex.h53
1 files changed, 0 insertions, 53 deletions
diff --git a/include/asm-ppc/futex.h b/include/asm-ppc/futex.h
deleted file mode 100644
index 9feff4ce1424..000000000000
--- a/include/asm-ppc/futex.h
+++ /dev/null
@@ -1,53 +0,0 @@
-#ifndef _ASM_FUTEX_H
-#define _ASM_FUTEX_H
-
-#ifdef __KERNEL__
-
-#include <linux/futex.h>
-#include <asm/errno.h>
-#include <asm/uaccess.h>
-
-static inline int
-futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
-{
- int op = (encoded_op >> 28) & 7;
- int cmp = (encoded_op >> 24) & 15;
- int oparg = (encoded_op << 8) >> 20;
- int cmparg = (encoded_op << 20) >> 20;
- int oldval = 0, ret;
- if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
- oparg = 1 << oparg;
-
- if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int)))
- return -EFAULT;
-
- inc_preempt_count();
-
- switch (op) {
- case FUTEX_OP_SET:
- case FUTEX_OP_ADD:
- case FUTEX_OP_OR:
- case FUTEX_OP_ANDN:
- case FUTEX_OP_XOR:
- default:
- ret = -ENOSYS;
- }
-
- dec_preempt_count();
-
- if (!ret) {
- switch (cmp) {
- case FUTEX_OP_CMP_EQ: ret = (oldval == cmparg); break;
- case FUTEX_OP_CMP_NE: ret = (oldval != cmparg); break;
- case FUTEX_OP_CMP_LT: ret = (oldval < cmparg); break;
- case FUTEX_OP_CMP_GE: ret = (oldval >= cmparg); break;
- case FUTEX_OP_CMP_LE: ret = (oldval <= cmparg); break;
- case FUTEX_OP_CMP_GT: ret = (oldval > cmparg); break;
- default: ret = -ENOSYS;
- }
- }
- return ret;
-}
-
-#endif
-#endif