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authorIngo Molnar <mingo@elte.hu>2008-08-14 14:58:01 +0200
committerIngo Molnar <mingo@elte.hu>2008-08-14 14:58:01 +0200
commit51ca3c679194e7435c25b8e77b0a73c597e41ae9 (patch)
treea681dca369607ab0f371d5246b0f75140b860a8a /arch/powerpc/include/asm/irqflags.h
parentb55793f7528ce1b73c25b3ac8a86a6cda2a0f9a4 (diff)
parentb635acec48bcaa9183fcbf4e3955616b0d4119b5 (diff)
Merge branch 'linus' into x86/core
Conflicts: arch/x86/kernel/genapic_64.c include/asm-x86/kvm_host.h Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/powerpc/include/asm/irqflags.h')
-rw-r--r--arch/powerpc/include/asm/irqflags.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/irqflags.h b/arch/powerpc/include/asm/irqflags.h
new file mode 100644
index 000000000000..17ba3a881bfd
--- /dev/null
+++ b/arch/powerpc/include/asm/irqflags.h
@@ -0,0 +1,42 @@
+/*
+ * IRQ flags handling
+ */
+#ifndef _ASM_IRQFLAGS_H
+#define _ASM_IRQFLAGS_H
+
+#ifndef __ASSEMBLY__
+/*
+ * Get definitions for raw_local_save_flags(x), etc.
+ */
+#include <asm/hw_irq.h>
+
+#else
+#ifdef CONFIG_TRACE_IRQFLAGS
+/*
+ * Most of the CPU's IRQ-state tracing is done from assembly code; we
+ * have to call a C function so call a wrapper that saves all the
+ * C-clobbered registers.
+ */
+#define TRACE_ENABLE_INTS bl .trace_hardirqs_on
+#define TRACE_DISABLE_INTS bl .trace_hardirqs_off
+#define TRACE_AND_RESTORE_IRQ_PARTIAL(en,skip) \
+ cmpdi en, 0; \
+ bne 95f; \
+ stb en,PACASOFTIRQEN(r13); \
+ bl .trace_hardirqs_off; \
+ b skip; \
+95: bl .trace_hardirqs_on; \
+ li en,1;
+#define TRACE_AND_RESTORE_IRQ(en) \
+ TRACE_AND_RESTORE_IRQ_PARTIAL(en,96f); \
+96: stb en,PACASOFTIRQEN(r13)
+#else
+#define TRACE_ENABLE_INTS
+#define TRACE_DISABLE_INTS
+#define TRACE_AND_RESTORE_IRQ_PARTIAL(en,skip)
+#define TRACE_AND_RESTORE_IRQ(en) \
+ stb en,PACASOFTIRQEN(r13)
+#endif
+#endif
+
+#endif