On Sun, Jan 31, 2016 at 8:24 AM, Stas Sergeev <stsp@xxxxxxx> wrote:OK.
Currently x86's get_sigframe() checks for "current->sas_ss_size"You've duplicate part of the check. That whole block is already
to determine whether there is a need to switch to sigaltstack.
The common practice used by all other arches is to check for
sas_ss_flags(sp) == 0
This patch makes the code consistent with other arches and also
allows for the further sigaltstack improvements within this patch serie.
checking !sigstack. Can you remove that now?