Linux kernel development work - see feature branches https://git.zx2c4.com/linux-dev/atom/arch/s390/include/asm/irq_work.h?h=linus%2Fmaster 2021-02-23T23:31:22Z 2021-02-23T23:31:22Z Ilya Leoshkevich iii@linux.ibm.com 2021-02-19T22:32:56Z urn: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>