On Mon, Apr 11, 2016 at 04:51:47PM +0200, Alexander Potapenko wrote:
> On Mon, Apr 11, 2016 at 4:39 PM, Alexander Potapenko
> wrote:
> > On Mon, Apr 11, 2016 at 9:44 AM, Joonsoo Kim wrote:
> >> On Mon, Mar 14, 2016 at 11:43:43AM +0100, Alexander Potapenko wrote:
> >>> +depot_stack_handle_t depot
On Mon, Apr 11, 2016 at 4:39 PM, Alexander Potapenko wrote:
> On Mon, Apr 11, 2016 at 9:44 AM, Joonsoo Kim wrote:
>> On Mon, Mar 14, 2016 at 11:43:43AM +0100, Alexander Potapenko wrote:
>>> +depot_stack_handle_t depot_save_stack(struct stack_trace *trace,
>>> + gfp
On Mon, Apr 11, 2016 at 9:44 AM, Joonsoo Kim wrote:
> On Mon, Mar 14, 2016 at 11:43:43AM +0100, Alexander Potapenko wrote:
>> +depot_stack_handle_t depot_save_stack(struct stack_trace *trace,
>> + gfp_t alloc_flags)
>> +{
>> + u32 hash;
>> + depot_stack_hand
On Mon, Mar 14, 2016 at 11:43:43AM +0100, Alexander Potapenko wrote:
> +depot_stack_handle_t depot_save_stack(struct stack_trace *trace,
> + gfp_t alloc_flags)
> +{
> + u32 hash;
> + depot_stack_handle_t retval = 0;
> + struct stack_record *found = NULL,
On Tue, Mar 15, 2016 at 1:22 PM, Andrey Ryabinin wrote:
> 2016-03-15 12:27 GMT+03:00 Alexander Potapenko :
>> On Mon, Mar 14, 2016 at 5:56 PM, Andrey Ryabinin
>> wrote:
>>> 2016-03-14 13:43 GMT+03:00 Alexander Potapenko :
>>>
+
+ rec = this_cpu_ptr(&depot_recursion);
+
2016-03-15 12:27 GMT+03:00 Alexander Potapenko :
> On Mon, Mar 14, 2016 at 5:56 PM, Andrey Ryabinin
> wrote:
>> 2016-03-14 13:43 GMT+03:00 Alexander Potapenko :
>>
>>> +
>>> + rec = this_cpu_ptr(&depot_recursion);
>>> + /* Don't store the stack if we've been called recursively. */
>>>
On Mon, Mar 14, 2016 at 5:56 PM, Andrey Ryabinin wrote:
> 2016-03-14 13:43 GMT+03:00 Alexander Potapenko :
>
>> +
>> + rec = this_cpu_ptr(&depot_recursion);
>> + /* Don't store the stack if we've been called recursively. */
>> + if (unlikely(*rec))
>> + goto fast_ex
2016-03-14 13:43 GMT+03:00 Alexander Potapenko :
> +
> + rec = this_cpu_ptr(&depot_recursion);
> + /* Don't store the stack if we've been called recursively. */
> + if (unlikely(*rec))
> + goto fast_exit;
> + *rec = true;
This just can't work. As long as pre
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