Kernel prepatch 5.4-rc5

The 5.4-rc5 kernel prepatch is out fortesting."So we have a bit more fixes than normal during this stage, but nothinglooks very strange, and the diffstat looks _mostly_ flat (with thecpufrequency power-QoS and io_uring changes looking a bit bigger)which is my sign for 'small changes all over'". The codename haschanged again; now it's "Kleptomanic Octopus", suggesting some interestingencounters in Linus's latest diving outing.