Re: [PATCH] neaten lguest boot code (again)

[Andrew Morton <akpm@linux-foundation.org>]

On Wed, 06 Jun 2007 12:37:39 +1000 Rusty Russell <rusty@rustcorp.com.au> wrote:

> (This cleanup seems to have gotten lost in rc3-mm1?  It was in rc2-mm1
> called lguest-the-host-code-update-for-mm-simplify-boot_params.patch)
> 
> Andrew patched up lguest after the boot parameters became a proper
> structure, but in fact it can be considerably neatened.
> 
> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
> ---
>  drivers/lguest/lguest.c |    3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> ===================================================================
> --- a/drivers/lguest/lguest.c
> +++ b/drivers/lguest/lguest.c
> @@ -444,8 +444,7 @@ __init void lguest_init(void *boot)
>  {
>  	/* Copy boot parameters first. */
>  	memcpy(&boot_params, boot, PARAM_SIZE);
> -	memcpy(boot_command_line,
> -	       __va(*(unsigned long *)((void *)&boot_params + NEW_CL_POINTER)),
> +	memcpy(boot_command_line, __va(boot_params.hdr.cmd_line_ptr),
>  	       COMMAND_LINE_SIZE);
>  
>  	paravirt_ops.name = "lguest";

I dropped it because it depended upon mm-simplify-boot_params.patch which
for some reason disappeared but now appears to have reappeared.

Shall resurrect.
-
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