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-rw-r--r--arch/x86/lib/semaphore_32.S124
1 files changed, 0 insertions, 124 deletions
diff --git a/arch/x86/lib/semaphore_32.S b/arch/x86/lib/semaphore_32.S
deleted file mode 100644
index 06691daa4108..000000000000
--- a/arch/x86/lib/semaphore_32.S
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * i386 semaphore implementation.
- *
- * (C) Copyright 1999 Linus Torvalds
- *
- * Portions Copyright 1999 Red Hat, Inc.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
- * rw semaphores implemented November 1999 by Benjamin LaHaise <bcrl@kvack.org>
- */
-
-#include <linux/linkage.h>
-#include <asm/rwlock.h>
-#include <asm/alternative-asm.h>
-#include <asm/frame.h>
-#include <asm/dwarf2.h>
-
-/*
- * The semaphore operations have a special calling sequence that
- * allow us to do a simpler in-line version of them. These routines
- * need to convert that sequence back into the C sequence when
- * there is contention on the semaphore.
- *
- * %eax contains the semaphore pointer on entry. Save the C-clobbered
- * registers (%eax, %edx and %ecx) except %eax whish is either a return
- * value or just clobbered..
- */
- .section .sched.text, "ax"
-
-/*
- * rw spinlock fallbacks
- */
-#ifdef CONFIG_SMP
-ENTRY(__write_lock_failed)
- CFI_STARTPROC
- FRAME
-2: LOCK_PREFIX
- addl $ RW_LOCK_BIAS,(%eax)
-1: rep; nop
- cmpl $ RW_LOCK_BIAS,(%eax)
- jne 1b
- LOCK_PREFIX
- subl $ RW_LOCK_BIAS,(%eax)
- jnz 2b
- ENDFRAME
- ret
- CFI_ENDPROC
- ENDPROC(__write_lock_failed)
-
-ENTRY(__read_lock_failed)
- CFI_STARTPROC
- FRAME
-2: LOCK_PREFIX
- incl (%eax)
-1: rep; nop
- cmpl $1,(%eax)
- js 1b
- LOCK_PREFIX
- decl (%eax)
- js 2b
- ENDFRAME
- ret
- CFI_ENDPROC
- ENDPROC(__read_lock_failed)
-
-#endif
-
-#ifdef CONFIG_RWSEM_XCHGADD_ALGORITHM
-
-/* Fix up special calling conventions */
-ENTRY(call_rwsem_down_read_failed)
- CFI_STARTPROC
- pushl_cfi %ecx
- CFI_REL_OFFSET ecx,0
- pushl_cfi %edx
- CFI_REL_OFFSET edx,0
- call rwsem_down_read_failed
- popl_cfi %edx
- popl_cfi %ecx
- ret
- CFI_ENDPROC
- ENDPROC(call_rwsem_down_read_failed)
-
-ENTRY(call_rwsem_down_write_failed)
- CFI_STARTPROC
- pushl_cfi %ecx
- CFI_REL_OFFSET ecx,0
- calll rwsem_down_write_failed
- popl_cfi %ecx
- ret
- CFI_ENDPROC
- ENDPROC(call_rwsem_down_write_failed)
-
-ENTRY(call_rwsem_wake)
- CFI_STARTPROC
- decw %dx /* do nothing if still outstanding active readers */
- jnz 1f
- pushl_cfi %ecx
- CFI_REL_OFFSET ecx,0
- call rwsem_wake
- popl_cfi %ecx
-1: ret
- CFI_ENDPROC
- ENDPROC(call_rwsem_wake)
-
-/* Fix up special calling conventions */
-ENTRY(call_rwsem_downgrade_wake)
- CFI_STARTPROC
- pushl_cfi %ecx
- CFI_REL_OFFSET ecx,0
- pushl_cfi %edx
- CFI_REL_OFFSET edx,0
- call rwsem_downgrade_wake
- popl_cfi %edx
- popl_cfi %ecx
- ret
- CFI_ENDPROC
- ENDPROC(call_rwsem_downgrade_wake)
-
-#endif