linux-kernel - Re: [PATCH 3/5] uml: Fix warning due to missing task

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Date:	Tue, 20 Apr 2010 18:09:49 +0800
From:	Amerigo Wang <xiyou.wangcong@...il.com>
To:	Jan Kiszka <jan.kiszka@....de>
Cc:	trivial@...nel.org, linux-kernel@...r.kernel.org,
	user-mode-linux-devel@...ts.sourceforge.net,
	Jeff Dike <jdike@...toit.com>
Subject: Re: [PATCH 3/5] uml: Fix warning due to missing task_struct
 declaration

On Mon, Apr 19, 2010 at 11:53:06PM +0200, Jan Kiszka wrote:
>We can't pull in linux/sched.h, so just declare the struct.
>

Did you meet any build error? If yes, please include it.

Thanks.



>Signed-off-by: Jan Kiszka <jan.kiszka@....de>
>---
> arch/um/sys-i386/asm/elf.h   |    2 ++
> arch/um/sys-x86_64/asm/elf.h |    2 ++
> 2 files changed, 4 insertions(+), 0 deletions(-)
>
>diff --git a/arch/um/sys-i386/asm/elf.h b/arch/um/sys-i386/asm/elf.h
>index e64cd41..a979a22 100644
>--- a/arch/um/sys-i386/asm/elf.h
>+++ b/arch/um/sys-i386/asm/elf.h
>@@ -75,6 +75,8 @@ typedef struct user_i387_struct elf_fpregset_t;
> 	pr_reg[16] = PT_REGS_SS(regs);		\
> } while (0);
> 
>+struct task_struct;
>+
> extern int elf_core_copy_fpregs(struct task_struct *t, elf_fpregset_t *fpu);
> 
> #define ELF_CORE_COPY_FPREGS(t, fpu) elf_core_copy_fpregs(t, fpu)
>diff --git a/arch/um/sys-x86_64/asm/elf.h b/arch/um/sys-x86_64/asm/elf.h
>index 49655c8..d760967 100644
>--- a/arch/um/sys-x86_64/asm/elf.h
>+++ b/arch/um/sys-x86_64/asm/elf.h
>@@ -95,6 +95,8 @@ typedef struct user_i387_struct elf_fpregset_t;
> 	(pr_reg)[25] = 0;					\
> 	(pr_reg)[26] = 0;
> 
>+struct task_struct;
>+
> extern int elf_core_copy_fpregs(struct task_struct *t, elf_fpregset_t *fpu);
> 
> #define ELF_CORE_COPY_FPREGS(t, fpu) elf_core_copy_fpregs(t, fpu)
>-- 
>1.6.0.2
>
>--
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