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authorDavid Howells <dhowells@redhat.com>2012-03-28 18:11:12 +0100
committerDavid Howells <dhowells@redhat.com>2012-03-28 18:11:12 +0100
commitf05e798ad4c09255f590f5b2c00a7ca6c172f983 (patch)
tree6b7125d3f086a63a0f571bda568c9b62cc25609d /arch/x86/include/asm/processor.h
parent778aae84ef694325662447eceba1a5f7d3eebdbb (diff)
downloadblackbird-op-linux-f05e798ad4c09255f590f5b2c00a7ca6c172f983.tar.gz
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Disintegrate asm/system.h for X86
Disintegrate asm/system.h for X86. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: H. Peter Anvin <hpa@zytor.com> cc: x86@kernel.org
Diffstat (limited to 'arch/x86/include/asm/processor.h')
-rw-r--r--arch/x86/include/asm/processor.h31
1 files changed, 30 insertions, 1 deletions
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 95da14f7ee85..78e30ea492b2 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -14,13 +14,13 @@ struct mm_struct;
#include <asm/sigcontext.h>
#include <asm/current.h>
#include <asm/cpufeature.h>
-#include <asm/system.h>
#include <asm/page.h>
#include <asm/pgtable_types.h>
#include <asm/percpu.h>
#include <asm/msr.h>
#include <asm/desc_defs.h>
#include <asm/nops.h>
+#include <asm/special_insns.h>
#include <linux/personality.h>
#include <linux/cpumask.h>
@@ -29,6 +29,15 @@ struct mm_struct;
#include <linux/math64.h>
#include <linux/init.h>
#include <linux/err.h>
+#include <linux/irqflags.h>
+
+/*
+ * We handle most unaligned accesses in hardware. On the other hand
+ * unaligned DMA can be quite expensive on some Nehalem processors.
+ *
+ * Based on this we disable the IP header alignment in network drivers.
+ */
+#define NET_IP_ALIGN 0
#define HBP_NUM 4
/*
@@ -1022,4 +1031,24 @@ extern bool cpu_has_amd_erratum(const int *);
#define cpu_has_amd_erratum(x) (false)
#endif /* CONFIG_CPU_SUP_AMD */
+#ifdef CONFIG_X86_32
+/*
+ * disable hlt during certain critical i/o operations
+ */
+#define HAVE_DISABLE_HLT
+#endif
+
+void disable_hlt(void);
+void enable_hlt(void);
+
+void cpu_idle_wait(void);
+
+extern unsigned long arch_align_stack(unsigned long sp);
+extern void free_init_pages(char *what, unsigned long begin, unsigned long end);
+
+void default_idle(void);
+bool set_pm_idle_to_default(void);
+
+void stop_this_cpu(void *dummy);
+
#endif /* _ASM_X86_PROCESSOR_H */
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