signal: Factor force_sig_perf out of perf_sigtrap

Separate filling in siginfo for TRAP_PERF from deciding that
siginal needs to be sent.

There are enough little details that need to be correct when
properly filling in siginfo_t that it is easy to make mistakes
if filling in the siginfo_t is in the same function with other
logic.  So factor out force_sig_perf to reduce the cognative
load of on reviewers, maintainers and implementors.

v1: https://lkml.kernel.org/r/[email protected]
v2: https://lkml.kernel.org/r/[email protected]
Link: https://lkml.kernel.org/r/[email protected]
Reviewed-by: Marco Elver <[email protected]>
Acked-by: Peter Zijlstra (Intel) <[email protected]>
Signed-off-by: "Eric W. Biederman" <[email protected]>

0 files changed, 0 insertions, 0 deletions