kernel/arch/s390/include/asm/irq_work.h, branch linux-5.14.yHosts the 0x221E linux distro kernel.https://universe.0xinfinity.dev/distro/kernel/atom?h=linux-5.14.y2021-02-23T23:31:22Zs390/smp: implement arch_irq_work_raise()2021-02-23T23:31:22ZIlya Leoshkevichiii@linux.ibm.com2021-02-19T22:32:56Zurn:sha1:55f03123f60985815e57cc9d1b29dea48e32e709
The immediate need to have this is to have bpf_send_signal() send the
signal ASAP instead of during the next hrtimer interrupt. However, it
should also improve irq_work_queue() latencies in general, as well as
get s390 out of the lame architectures list [1].
[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/kernel/irq_work.c?h=v5.11#n45
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>