Commit-ID: 1a7dc0db7181ebc8b9ec17e5a15ad4c766c7d3d4
Gitweb: http://git.kernel.org/tip/1a7dc0db7181ebc8b9ec17e5a15ad4c766c7d3d4
Author: Ingo Molnar <mingo@xxxxxxxxxx>
AuthorDate: Fri, 3 Apr 2015 11:33:52 +0200
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Tue, 19 May 2015 15:47:10 +0200
x86/fpu: Rename fpu_detect() to fpu__detect()
Use the fpu__*() namespace to organize FPU ops better.
Also document fpu__detect() a bit.
Reviewed-by: Borislav Petkov <bp@xxxxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: Fenghua Yu <fenghua.yu@xxxxxxxxx>
Cc: H. Peter Anvin <hpa@xxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
arch/x86/include/asm/processor.h | 2 +-
arch/x86/kernel/cpu/common.c | 2 +-
arch/x86/kernel/i387.c | 6 +++++-
3 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 23ba676..2dc08c2 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -166,7 +166,7 @@ extern const struct seq_operations cpuinfo_op;
#define cache_line_size() (boot_cpu_data.x86_cache_alignment)
extern void cpu_detect(struct cpuinfo_x86 *c);
-extern void fpu_detect(struct cpuinfo_x86 *c);
+extern void fpu__detect(struct cpuinfo_x86 *c);
extern void early_cpu_init(void);
extern void identify_boot_cpu(void);
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index a62cf04..60a29d2 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -759,7 +759,7 @@ static void __init early_identify_cpu(struct cpuinfo_x86 *c)
cpu_detect(c);
get_cpu_vendor(c);
get_cpu_cap(c);
- fpu_detect(c);
+ fpu__detect(c);
if (this_cpu->c_early_init)
this_cpu->c_early_init(c);
diff --git a/arch/x86/kernel/i387.c b/arch/x86/kernel/i387.c
index 66f1053..29251f5 100644
--- a/arch/x86/kernel/i387.c
+++ b/arch/x86/kernel/i387.c
@@ -640,7 +640,11 @@ static int __init no_387(char *s)
__setup("no387", no_387);
-void fpu_detect(struct cpuinfo_x86 *c)
+/*
+ * Set the X86_FEATURE_FPU CPU-capability bit based on
+ * trying to execute an actual sequence of FPU instructions:
+ */
+void fpu__detect(struct cpuinfo_x86 *c)
{
unsigned long cr0;
u16 fsw, fcw;
--
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