On 26/03/2015 19:55, Ingo Molnar wrote:
>
> * Laurent Dufour wrote:
>
>> +{
>> +unsigned long vdso_end, vdso_start;
>> +
>> +if (!mm->context.vdso_base)
>> +return;
>> +vdso_start = mm->context.vdso_base;
>> +
>> +#ifdef CONFIG_PPC64
>> +/* Calling is_32bit_task() imp
* Laurent Dufour wrote:
> +{
> + unsigned long vdso_end, vdso_start;
> +
> + if (!mm->context.vdso_base)
> + return;
> + vdso_start = mm->context.vdso_base;
> +
> +#ifdef CONFIG_PPC64
> + /* Calling is_32bit_task() implies that we are dealing with the
> + * curre
Some processes (CRIU) are moving the vDSO area using the mremap system
call. As a consequence the kernel reference to the vDSO base address is
no more valid and the signal return frame built once the vDSO has been
moved is not pointing to the new sigreturn address.
This patch handles vDSO remappin