linux-kernel - Re: [RFC PATCH v1.9 12/14] livepatch: create per-task consistency model

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Message-ID: <20160405173248.GA2450@huangminfeis-MacBook-Pro.local>
Date:	Wed, 6 Apr 2016 01:32:48 +0800
From:	Minfei Huang <mnfhuang@...il.com>
To:	Josh Poimboeuf <jpoimboe@...hat.com>
Cc:	Jiri Kosina <jikos@...nel.org>, Jessica Yu <jeyu@...hat.com>,
	Miroslav Benes <mbenes@...e.cz>, linux-kernel@...r.kernel.org,
	live-patching@...r.kernel.org, Vojtech Pavlik <vojtech@...e.com>
Subject: Re: [RFC PATCH v1.9 12/14] livepatch: create per-task consistency
 model

On 03/25/16 at 02:34P, Josh Poimboeuf wrote:
> +static int klp_check_stack(struct task_struct *task)
> +{
> +	static unsigned long entries[MAX_STACK_ENTRIES];
> +	struct stack_trace trace;
> +	struct klp_object *obj;
> +	struct klp_func *func;
> +	int ret;
> +
> +	trace.skip = 0;
> +	trace.nr_entries = 0;
> +	trace.max_entries = MAX_STACK_ENTRIES;
> +	trace.entries = entries;
> +	ret = save_stack_trace_tsk_reliable(task, &trace);

Format the array entries before using it.

Thanks
Minfei