linux-kernel - Re: [PATCHv2 2/4] x86&x86-64 support for sys

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Message-ID: <20071115192947.GF1299@slug>
Date:	Thu, 15 Nov 2007 20:29:47 +0100
From:	Frederik Deweerdt <deweerdt@...e.fr>
To:	Ulrich Drepper <drepper@...hat.com>
Cc:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	mingo@...e.hu, tglx@...utronix.de, torvalds@...ux-foundation.org
Subject: Re: [PATCHv2 2/4] x86&x86-64 support for sys_indirect

Hello Ulrich,
On Thu, Nov 15, 2007 at 01:22:31PM -0500, Ulrich Drepper wrote:
> diff --git a/include/linux/sched.h b/include/linux/sched.h
> index ee800e7..e4e8a22 100644
> --- /dev/null	2007-09-23 16:36:38.465394704 -0700
> +++ b/include/asm-x86/indirect_32.h	2007-11-15 09:52:47.000000000 -0800
[...]
> +#define INDIRECT_SYSCALL(regs) (regs)->eax 
                                        ^^^^^
> +
> +#define CALL_INDIRECT(regs) \
> +  ({ extern long (*sys_call_table[]) (__u32, __u32, __u32, __u32, __u32, __u32); \
> +     sys_call_table[INDIRECT_SYSCALL(regs)->eax] ((regs)->ebx, (regs)->ecx, \
                                             ^^^^^-> I take it that ->eax is wrong here? 
> +						  (regs)->edx, (regs)->esi, \
> +						  (regs)->edi, (regs)->ebp); \
> +     })
> +
> +#endif

Regards,
Frederik
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