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| author | H. Peter Anvin <hpa@linux.intel.com> | 2014-05-01 14:12:23 -0700 |
|---|---|---|
| committer | Willy Tarreau <w@1wt.eu> | 2014-12-13 15:16:08 +0100 |
| commit | 2ea4512fede6d3027ae54ad3393cffb378ee43bd (patch) | |
| tree | 2d1f102d4e50789cd461397d461e6e6628e66e9a | |
| parent | 36102caaf7d9000fb04592163ffc623d834cc540 (diff) | |
| download | linux-2ea4512fede6d3027ae54ad3393cffb378ee43bd.tar.gz linux-2ea4512fede6d3027ae54ad3393cffb378ee43bd.tar.bz2 linux-2ea4512fede6d3027ae54ad3393cffb378ee43bd.zip | |
x86, espfix: Move espfix definitions into a separate header file
commit e1fe9ed8d2a4937510d0d60e20705035c2609aea upstream.
Sparse warns that the percpu variables aren't declared before they are
defined. Rather than hacking around it, move espfix definitions into
a proper header file.
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
(cherry picked from 3.2 commit 62358ee6bb9d3d9dd4761d39ac0e1ede9ba70b0e)
[wt: using DECLARE_PER_CPU instead of DECLARE_PER_CPU_READ_MOSTLY]
Signed-off-by: Willy Tarreau <w@1wt.eu>
| -rw-r--r-- | arch/x86/include/asm/espfix.h | 16 | ||||
| -rw-r--r-- | arch/x86/include/asm/setup.h | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/espfix_64.c | 1 |
3 files changed, 19 insertions, 0 deletions
diff --git a/arch/x86/include/asm/espfix.h b/arch/x86/include/asm/espfix.h new file mode 100644 index 000000000000..e2fb446be41a --- /dev/null +++ b/arch/x86/include/asm/espfix.h @@ -0,0 +1,16 @@ +#ifdef _ASM_X86_ESPFIX_H +#define _ASM_X86_ESPFIX_H + +#ifdef CONFIG_X86_64 + +#include <asm/percpu.h> + +DECLARE_PER_CPU(unsigned long, espfix_stack); +DECLARE_PER_CPU(unsigned long, espfix_waddr); + +extern void init_espfix_bsp(void); +extern void init_espfix_ap(void); + +#endif /* CONFIG_X86_64 */ + +#endif /* _ASM_X86_ESPFIX_H */ diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h index 18e496c98ff0..ac45d3bd2ea8 100644 --- a/arch/x86/include/asm/setup.h +++ b/arch/x86/include/asm/setup.h @@ -57,6 +57,8 @@ static inline void x86_mrst_early_setup(void) { } #ifndef _SETUP +#include <asm/espfix.h> + /* * This is set up by the setup-routine at boot-time */ diff --git a/arch/x86/kernel/espfix_64.c b/arch/x86/kernel/espfix_64.c index ae1004035f2e..24bd34227d58 100644 --- a/arch/x86/kernel/espfix_64.c +++ b/arch/x86/kernel/espfix_64.c @@ -40,6 +40,7 @@ #include <asm/pgtable.h> #include <asm/pgalloc.h> #include <asm/setup.h> +#include <asm/espfix.h> /* * Note: we only need 6*8 = 48 bytes for the espfix stack, but round |