Re: [PATCH] x86_64: use kstack_end() in dumpstack_64.c

[Steven Rostedt]

On Sun, 22 Feb 2015 16:23:58 +0100
Adrien Schildknecht <adrien+dev@xxxxxxxxxxx> wrote:

> i386 is already using kstack_end() in dumpstack_32.c.
> We should also use it to make the code clearer and unify the stack
> printing logic some more.

Looks fine to me.

> 
> This patch depends on patch "x86: fix output of show_stack_log_lvl()"

I'm curious to what the dependency is? What would break if we apply
this without that patch?

-- Steve

> 
> Signed-off-by: Adrien Schildknecht <adrien+dev@xxxxxxxxxxx>
> ---
>  arch/x86/kernel/dumpstack_64.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c
> index 553573b..5f1c626 100644
> --- a/arch/x86/kernel/dumpstack_64.c
> +++ b/arch/x86/kernel/dumpstack_64.c
> @@ -280,7 +280,7 @@ show_stack_log_lvl(struct task_struct *task, struct pt_regs *regs,
>  				pr_cont(" <EOI> ");
>  			}
>  		} else {
> -		if (((long) stack & (THREAD_SIZE-1)) == 0)
> +		if (kstack_end(stack))
>  			break;
>  		}
>  		if ((i % STACKSLOTS_PER_LINE) == 0) {

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