How to remove warn msg "cache: parent cpui should not be sleeping" i=1, 2, 3...
From: Jisheng Zhang <hidden>
Date: 2016-12-21 11:37:03
Also in:
linux-pm
From: Jisheng Zhang <hidden>
Date: 2016-12-21 11:37:03
Also in:
linux-pm
Hi all, I'm not sure this is a bug, when wake up from s2ram, I could get something like: [ 313.271464] Enabling non-boot CPUs ... [ 313.271551] CPU1: Booted secondary processor [ 313.271556] Detected VIPT I-cache on CPU1 [ 313.301378] cache: parent cpu1 should not be sleeping [ 313.301504] CPU1 is up [ 313.301582] CPU2: Booted secondary processor [ 313.301585] Detected VIPT I-cache on CPU2 [ 313.331485] cache: parent cpu2 should not be sleeping [ 313.331605] CPU2 is up [ 313.331683] CPU3: Booted secondary processor [ 313.331686] Detected VIPT I-cache on CPU3 [ 313.361599] cache: parent cpu3 should not be sleeping [ 313.361719] CPU3 is up This is because we call cpu_device_create() when secondary cpu is brought online, the cpu_cache device's parent device: cpu device isn't already resumed, all device resume will resume after secondary cores are brought up. What's the elegant solution to remove this warning msg? Thanks in advance, Jisheng