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authorLinus Torvalds <torvalds@linux-foundation.org>2008-10-23 10:22:01 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-23 10:22:01 -0700
commit5b34653963de7a6d0d8c783527457d68fddc60fb (patch)
tree1a234741e1823a54cd0514616f783b4cf503a528 /include/asm-x86/irqflags.h
parent765426e8ee4c0ab2bc9d44951f4865b8494cdbd0 (diff)
parent5e1b00758b5a8bee9d42515bffdaf305a32f1b04 (diff)
Merge branch 'x86/um-header' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86/um-header' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (26 commits) x86: canonicalize remaining header guards x86: drop double underscores from header guards x86: Fix ASM_X86__ header guards x86, um: get rid of uml-config.h x86, um: get rid of arch/um/Kconfig.arch x86, um: get rid of arch/um/os symlink x86, um: get rid of excessive includes of uml-config.h x86, um: get rid of header symlinks x86, um: merge Kconfig.i386 and Kconfig.x86_64 x86, um: get rid of sysdep symlink x86, um: trim the junk from uml ptrace-*.h x86, um: take vm-flags.h to sysdep x86, um: get rid of uml asm/arch x86, um: get rid of uml highmem.h x86, um: get rid of uml unistd.h x86, um: get rid of system.h -> system.h include x86, um: uml atomic.h is not needed anymore x86, um: untangle uml ldt.h x86, um: get rid of more uml asm/arch uses x86, um: remove dead header (uml module-generic.h; never used these days) ...
Diffstat (limited to 'include/asm-x86/irqflags.h')
-rw-r--r--include/asm-x86/irqflags.h211
1 files changed, 0 insertions, 211 deletions
diff --git a/include/asm-x86/irqflags.h b/include/asm-x86/irqflags.h
deleted file mode 100644
index 2bdab21f089..00000000000
--- a/include/asm-x86/irqflags.h
+++ /dev/null
@@ -1,211 +0,0 @@
-#ifndef _X86_IRQFLAGS_H_
-#define _X86_IRQFLAGS_H_
-
-#include <asm/processor-flags.h>
-
-#ifndef __ASSEMBLY__
-/*
- * Interrupt control:
- */
-
-static inline unsigned long native_save_fl(void)
-{
- unsigned long flags;
-
- asm volatile("# __raw_save_flags\n\t"
- "pushf ; pop %0"
- : "=g" (flags)
- : /* no input */
- : "memory");
-
- return flags;
-}
-
-static inline void native_restore_fl(unsigned long flags)
-{
- asm volatile("push %0 ; popf"
- : /* no output */
- :"g" (flags)
- :"memory", "cc");
-}
-
-static inline void native_irq_disable(void)
-{
- asm volatile("cli": : :"memory");
-}
-
-static inline void native_irq_enable(void)
-{
- asm volatile("sti": : :"memory");
-}
-
-static inline void native_safe_halt(void)
-{
- asm volatile("sti; hlt": : :"memory");
-}
-
-static inline void native_halt(void)
-{
- asm volatile("hlt": : :"memory");
-}
-
-#endif
-
-#ifdef CONFIG_PARAVIRT
-#include <asm/paravirt.h>
-#else
-#ifndef __ASSEMBLY__
-
-static inline unsigned long __raw_local_save_flags(void)
-{
- return native_save_fl();
-}
-
-static inline void raw_local_irq_restore(unsigned long flags)
-{
- native_restore_fl(flags);
-}
-
-static inline void raw_local_irq_disable(void)
-{
- native_irq_disable();
-}
-
-static inline void raw_local_irq_enable(void)
-{
- native_irq_enable();
-}
-
-/*
- * Used in the idle loop; sti takes one instruction cycle
- * to complete:
- */
-static inline void raw_safe_halt(void)
-{
- native_safe_halt();
-}
-
-/*
- * Used when interrupts are already enabled or to
- * shutdown the processor:
- */
-static inline void halt(void)
-{
- native_halt();
-}
-
-/*
- * For spinlocks, etc:
- */
-static inline unsigned long __raw_local_irq_save(void)
-{
- unsigned long flags = __raw_local_save_flags();
-
- raw_local_irq_disable();
-
- return flags;
-}
-#else
-
-#define ENABLE_INTERRUPTS(x) sti
-#define DISABLE_INTERRUPTS(x) cli
-
-#ifdef CONFIG_X86_64
-#define SWAPGS swapgs
-/*
- * Currently paravirt can't handle swapgs nicely when we
- * don't have a stack we can rely on (such as a user space
- * stack). So we either find a way around these or just fault
- * and emulate if a guest tries to call swapgs directly.
- *
- * Either way, this is a good way to document that we don't
- * have a reliable stack. x86_64 only.
- */
-#define SWAPGS_UNSAFE_STACK swapgs
-
-#define PARAVIRT_ADJUST_EXCEPTION_FRAME /* */
-
-#define INTERRUPT_RETURN iretq
-#define USERGS_SYSRET64 \
- swapgs; \
- sysretq;
-#define USERGS_SYSRET32 \
- swapgs; \
- sysretl
-#define ENABLE_INTERRUPTS_SYSEXIT32 \
- swapgs; \
- sti; \
- sysexit
-
-#else
-#define INTERRUPT_RETURN iret
-#define ENABLE_INTERRUPTS_SYSEXIT sti; sysexit
-#define GET_CR0_INTO_EAX movl %cr0, %eax
-#endif
-
-
-#endif /* __ASSEMBLY__ */
-#endif /* CONFIG_PARAVIRT */
-
-#ifndef __ASSEMBLY__
-#define raw_local_save_flags(flags) \
- do { (flags) = __raw_local_save_flags(); } while (0)
-
-#define raw_local_irq_save(flags) \
- do { (flags) = __raw_local_irq_save(); } while (0)
-
-static inline int raw_irqs_disabled_flags(unsigned long flags)
-{
- return !(flags & X86_EFLAGS_IF);
-}
-
-static inline int raw_irqs_disabled(void)
-{
- unsigned long flags = __raw_local_save_flags();
-
- return raw_irqs_disabled_flags(flags);
-}
-
-#else
-
-#ifdef CONFIG_X86_64
-#define ARCH_LOCKDEP_SYS_EXIT call lockdep_sys_exit_thunk
-#define ARCH_LOCKDEP_SYS_EXIT_IRQ \
- TRACE_IRQS_ON; \
- sti; \
- SAVE_REST; \
- LOCKDEP_SYS_EXIT; \
- RESTORE_REST; \
- cli; \
- TRACE_IRQS_OFF;
-
-#else
-#define ARCH_LOCKDEP_SYS_EXIT \
- pushl %eax; \
- pushl %ecx; \
- pushl %edx; \
- call lockdep_sys_exit; \
- popl %edx; \
- popl %ecx; \
- popl %eax;
-
-#define ARCH_LOCKDEP_SYS_EXIT_IRQ
-#endif
-
-#ifdef CONFIG_TRACE_IRQFLAGS
-# define TRACE_IRQS_ON call trace_hardirqs_on_thunk;
-# define TRACE_IRQS_OFF call trace_hardirqs_off_thunk;
-#else
-# define TRACE_IRQS_ON
-# define TRACE_IRQS_OFF
-#endif
-#ifdef CONFIG_DEBUG_LOCK_ALLOC
-# define LOCKDEP_SYS_EXIT ARCH_LOCKDEP_SYS_EXIT
-# define LOCKDEP_SYS_EXIT_IRQ ARCH_LOCKDEP_SYS_EXIT_IRQ
-# else
-# define LOCKDEP_SYS_EXIT
-# define LOCKDEP_SYS_EXIT_IRQ
-# endif
-
-#endif /* __ASSEMBLY__ */
-#endif