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authorLinus Torvalds <torvalds@linux-foundation.org>2008-08-01 10:53:43 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-08-01 10:53:43 -0700
commit00e9028a95fb8a4d79f2fb695a853f33ea7d3b57 (patch)
tree2dea2ae498a6ce57de8890e87185aca5e9f3ad2d /include/asm-sh/futex.h
parent57b1494d2ba544c62673234da6115c21fac27ffc (diff)
parent7cb93181629c613ee2b8f4ffe3446f8003074842 (diff)
downloadtalos-op-linux-00e9028a95fb8a4d79f2fb695a853f33ea7d3b57.tar.gz
talos-op-linux-00e9028a95fb8a4d79f2fb695a853f33ea7d3b57.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (28 commits) mm/hugetlb.c must #include <asm/io.h> video: Fix up hp6xx driver build regressions. sh: defconfig updates. sh: Kill off stray mach-rsk7203 reference. serial: sh-sci: Fix up SH7760/SH7780/SH7785 early printk regression. sh: Move out individual boards without mach groups. sh: Make sure AT_SYSINFO_EHDR is exposed to userspace in asm/auxvec.h. sh: Allow SH-3 and SH-5 to use common headers. sh: Provide common CPU headers, prune the SH-2 and SH-2A directories. sh/maple: clean maple bus code sh: More header path fixups for mach dir refactoring. sh: Move out the solution engine headers to arch/sh/include/mach-se/ sh: I2C fix for AP325RXA and Migo-R sh: Shuffle the board directories in to mach groups. sh: dma-sh: Fix up dreamcast dma.h mach path. sh: Switch KBUILD_DEFCONFIG to shx3_defconfig. sh: Add ARCH_DEFCONFIG entries for sh and sh64. sh: Fix compile error of Solution Engine sh: Proper __put_user_asm() size mismatch fix. sh: Stub in a dummy ENTRY_OFFSET for uImage offset calculation. ...
Diffstat (limited to 'include/asm-sh/futex.h')
-rw-r--r--include/asm-sh/futex.h77
1 files changed, 0 insertions, 77 deletions
diff --git a/include/asm-sh/futex.h b/include/asm-sh/futex.h
deleted file mode 100644
index 68256ec5fa35..000000000000
--- a/include/asm-sh/futex.h
+++ /dev/null
@@ -1,77 +0,0 @@
-#ifndef __ASM_SH_FUTEX_H
-#define __ASM_SH_FUTEX_H
-
-#ifdef __KERNEL__
-
-#include <linux/futex.h>
-#include <linux/uaccess.h>
-#include <asm/errno.h>
-
-/* XXX: UP variants, fix for SH-4A and SMP.. */
-#include <asm/futex-irq.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;
-
- pagefault_disable();
-
- switch (op) {
- case FUTEX_OP_SET:
- ret = atomic_futex_op_xchg_set(oparg, uaddr, &oldval);
- break;
- case FUTEX_OP_ADD:
- ret = atomic_futex_op_xchg_add(oparg, uaddr, &oldval);
- break;
- case FUTEX_OP_OR:
- ret = atomic_futex_op_xchg_or(oparg, uaddr, &oldval);
- break;
- case FUTEX_OP_ANDN:
- ret = atomic_futex_op_xchg_and(~oparg, uaddr, &oldval);
- break;
- case FUTEX_OP_XOR:
- ret = atomic_futex_op_xchg_xor(oparg, uaddr, &oldval);
- break;
- default:
- ret = -ENOSYS;
- break;
- }
-
- pagefault_enable();
-
- 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;
-}
-
-static inline int
-futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
-{
- if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int)))
- return -EFAULT;
-
- return atomic_futex_op_cmpxchg_inatomic(uaddr, oldval, newval);
-}
-
-#endif /* __KERNEL__ */
-#endif /* __ASM_SH_FUTEX_H */
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