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authorIngo Molnar <mingo@kernel.org>2015-07-31 10:59:20 +0200
committerIngo Molnar <mingo@kernel.org>2015-07-31 13:31:10 +0200
commitaf3e565a8542c4be699a0403b88fd6c691f5914f (patch)
tree88b5cc9f6b08f046b39e523c9c6609ab8347f815
parent5ed92a8ab71f8865ba07811429c988c72299b315 (diff)
x86/vm86: Move the vm86 IRQ definitions to vm86.h
Move vm86 specific definitions from irq_vectors.h to vm86.h. Based on patch from Brian Gerst. Originally-from: Brian Gerst <brgerst@gmail.com> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1438148483-11932-6-git-send-email-brgerst@gmail.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
-rw-r--r--arch/x86/include/asm/irq_vectors.h10
-rw-r--r--arch/x86/include/asm/vm86.h15
2 files changed, 14 insertions, 11 deletions
diff --git a/arch/x86/include/asm/irq_vectors.h b/arch/x86/include/asm/irq_vectors.h
index 4c2d2eb2060a..6ca9fd6234e1 100644
--- a/arch/x86/include/asm/irq_vectors.h
+++ b/arch/x86/include/asm/irq_vectors.h
@@ -117,16 +117,6 @@
#define FPU_IRQ 13
-#define FIRST_VM86_IRQ 3
-#define LAST_VM86_IRQ 15
-
-#ifndef __ASSEMBLY__
-static inline int invalid_vm86_irq(int irq)
-{
- return irq < FIRST_VM86_IRQ || irq > LAST_VM86_IRQ;
-}
-#endif
-
/*
* Size the maximum number of interrupts.
*
diff --git a/arch/x86/include/asm/vm86.h b/arch/x86/include/asm/vm86.h
index e45386eee17a..b0631965b935 100644
--- a/arch/x86/include/asm/vm86.h
+++ b/arch/x86/include/asm/vm86.h
@@ -49,7 +49,6 @@ int handle_vm86_trap(struct kernel_vm86_regs *, long, int);
void save_v86_state(struct kernel_vm86_regs *, int);
struct task_struct;
-void release_vm86_irqs(struct task_struct *);
#define free_vm86(t) do { \
struct thread_struct *__t = (t); \
@@ -59,6 +58,20 @@ void release_vm86_irqs(struct task_struct *);
} \
} while (0)
+/*
+ * Support for VM86 programs to request interrupts for
+ * real mode hardware drivers:
+ */
+#define FIRST_VM86_IRQ 3
+#define LAST_VM86_IRQ 15
+
+static inline int invalid_vm86_irq(int irq)
+{
+ return irq < FIRST_VM86_IRQ || irq > LAST_VM86_IRQ;
+}
+
+void release_vm86_irqs(struct task_struct *);
+
#else
#define handle_vm86_fault(a, b)