UPSTREAM: x86: Wire up TIF_NOTIFY_SIGNAL

[ Upstream commit c8d5ed67 ]

The generic entry code has support for TIF_NOTIFY_SIGNAL already. Just
provide the TIF bit.

[ tglx: Adopted to other TIF changes in x86 ]

Change-Id: I3188c956ab5ed6abac721db8a12f3229f4c7d13c
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20201026203230.386348-4-axboe@kernel.dk


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit 4b1dcf8e)
Bug: 268174392
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>