Re: [PATCH] Common compat_sys_sysinfo (v2)

[Stephen Rothwell]

Hi Kyle,

Looks good.  Just one nit and one comment.

On Sun, 7 Jan 2007 10:40:45 -0500 Kyle McMartin <kyle@xxxxxxxxxxxxxxxx> wrote:
>
> diff --git a/kernel/compat.c b/kernel/compat.c
> index 6952dd0..cebb4c2 100644
> --- a/kernel/compat.c
> +++ b/kernel/compat.c
 .
 .
 .
> +	    __put_user (s.uptime, &info->uptime) ||
                      ^
We don't put spaces in here ...

> +asmlinkage long sys_sysinfo(struct sysinfo __user *info)
> +{
> +	struct sysinfo val;
> +
> +	do_sysinfo(&val);
>
> - out:
>  	if (copy_to_user(info, &val, sizeof(struct sysinfo)))
>  		return -EFAULT;

People have complined before that this adds a whole stack frame to the
"normal" syscall path.  Personally I don't care, but it has been
mentioned.

--
Cheers,
Stephen Rothwell                    sfr@xxxxxxxxxxxxxxxx
http://www.canb.auug.org.au/~sfr/

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