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Subject[PATCH 20/52] provide hlt_works function.
Date
In x86_64, hlt always work. in i386, we'll query the cpuinfo associated
with this cpu

Signed-off-by: Glauber Costa <gcosta@redhat.com>
---
include/asm-x86/processor.h | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/include/asm-x86/processor.h b/include/asm-x86/processor.h
index 9054734..8bec23c 100644
--- a/include/asm-x86/processor.h
+++ b/include/asm-x86/processor.h
@@ -144,6 +144,15 @@ DECLARE_PER_CPU(struct cpuinfo_x86, cpu_info);
#define current_cpu_data boot_cpu_data
#endif

+static inline int hlt_works(int cpu)
+{
+#ifdef CONFIG_X86_32
+ return cpu_data(cpu).hlt_works_ok;
+#else
+ return 1;
+#endif
+}
+
#define cache_line_size() (boot_cpu_data.x86_cache_alignment)

extern void cpu_detect(struct cpuinfo_x86 *c);
--
1.5.0.6


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