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author | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2009-02-11 14:52:22 -0500 |
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committer | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2009-02-11 14:52:22 -0500 |
commit | 9049a11de73d3ecc623f1903100d099f82ede56c (patch) | |
tree | c03d130d58168e337a66fe999682452b7a02b42b /arch/x86/include/asm/current.h | |
parent | c47c1b1f3a9d6973108020df1dcab7604f7774dd (diff) | |
parent | e4d0407185cdbdcfd99fc23bde2e5454bbc46329 (diff) |
Merge commit 'remotes/tip/x86/paravirt' into x86/untangle2
* commit 'remotes/tip/x86/paravirt': (175 commits)
xen: use direct ops on 64-bit
xen: make direct versions of irq_enable/disable/save/restore to common code
xen: setup percpu data pointers
xen: fix 32-bit build resulting from mmu move
x86/paravirt: return full 64-bit result
x86, percpu: fix kexec with vmlinux
x86/vmi: fix interrupt enable/disable/save/restore calling convention.
x86/paravirt: don't restore second return reg
xen: setup percpu data pointers
x86: split loading percpu segments from loading gdt
x86: pass in cpu number to switch_to_new_gdt()
x86: UV fix uv_flush_send_and_wait()
x86/paravirt: fix missing callee-save call on pud_val
x86/paravirt: use callee-saved convention for pte_val/make_pte/etc
x86/paravirt: implement PVOP_CALL macros for callee-save functions
x86/paravirt: add register-saving thunks to reduce caller register pressure
x86/paravirt: selectively save/restore regs around pvops calls
x86: fix paravirt clobber in entry_64.S
x86/pvops: add a paravirt_ident functions to allow special patching
xen: move remaining mmu-related stuff into mmu.c
...
Conflicts:
arch/x86/mach-voyager/voyager_smp.c
arch/x86/mm/fault.c
Diffstat (limited to 'arch/x86/include/asm/current.h')
-rw-r--r-- | arch/x86/include/asm/current.h | 24 |
1 files changed, 3 insertions, 21 deletions
diff --git a/arch/x86/include/asm/current.h b/arch/x86/include/asm/current.h index 0930b4f8d672..c68c361697e1 100644 --- a/arch/x86/include/asm/current.h +++ b/arch/x86/include/asm/current.h | |||
@@ -1,39 +1,21 @@ | |||
1 | #ifndef _ASM_X86_CURRENT_H | 1 | #ifndef _ASM_X86_CURRENT_H |
2 | #define _ASM_X86_CURRENT_H | 2 | #define _ASM_X86_CURRENT_H |
3 | 3 | ||
4 | #ifdef CONFIG_X86_32 | ||
5 | #include <linux/compiler.h> | 4 | #include <linux/compiler.h> |
6 | #include <asm/percpu.h> | 5 | #include <asm/percpu.h> |
7 | 6 | ||
7 | #ifndef __ASSEMBLY__ | ||
8 | struct task_struct; | 8 | struct task_struct; |
9 | 9 | ||
10 | DECLARE_PER_CPU(struct task_struct *, current_task); | 10 | DECLARE_PER_CPU(struct task_struct *, current_task); |
11 | static __always_inline struct task_struct *get_current(void) | ||
12 | { | ||
13 | return x86_read_percpu(current_task); | ||
14 | } | ||
15 | |||
16 | #else /* X86_32 */ | ||
17 | |||
18 | #ifndef __ASSEMBLY__ | ||
19 | #include <asm/pda.h> | ||
20 | |||
21 | struct task_struct; | ||
22 | 11 | ||
23 | static __always_inline struct task_struct *get_current(void) | 12 | static __always_inline struct task_struct *get_current(void) |
24 | { | 13 | { |
25 | return read_pda(pcurrent); | 14 | return percpu_read(current_task); |
26 | } | 15 | } |
27 | 16 | ||
28 | #else /* __ASSEMBLY__ */ | 17 | #define current get_current() |
29 | |||
30 | #include <asm/asm-offsets.h> | ||
31 | #define GET_CURRENT(reg) movq %gs:(pda_pcurrent),reg | ||
32 | 18 | ||
33 | #endif /* __ASSEMBLY__ */ | 19 | #endif /* __ASSEMBLY__ */ |
34 | 20 | ||
35 | #endif /* X86_32 */ | ||
36 | |||
37 | #define current get_current() | ||
38 | |||
39 | #endif /* _ASM_X86_CURRENT_H */ | 21 | #endif /* _ASM_X86_CURRENT_H */ |