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DateThu, 16 Feb 2006 21:49:39 -0800
FromAndrew Morton <>
SubjectRe: [PATCH] Generic is_compat_task helper
Kyle McMartin <kyle@parisc-linux.org> wrote:
>
> Implement a generic is_compat_task function. It should only be used
> when absolutely necessary. For example, to clean up the per-architecture
> tests in drivers/input/evdev.c.
> 
> Prototype is such that the existing asm-x86_64 helper needs no change.
> 
> Architecture maintainers must add an appropriate implementation to
> asm/compat.h, if needed.
> 
> ...
>
> +static inline int __is_compat_task(struct task_struct *t)
> +{
> +	return (personality(t->personality) == PER_LINUX32);
> +}
> +

What continues to bug me about this (in a high-level hand-wavy sort of way)
is that this is an attribute of the mm_struct, not of the task_struct.

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