On Wed, 19 Oct 2022 at 10:37, youling 257 <youling257@xxxxxxxxx> wrote: > > > > ---------- Forwarded message --------- > 发件人： youling257 <youling257@xxxxxxxxx> > Date: 2022年10月20日周四 上午1:36 > Subject: Re: [PATCH v7 18/43] instrumented.h: add KMSAN support > To: <glider@xxxxxxxxxx> > Cc: <youling257@xxxxxxxxx> > > > i using linux kernel 6.1rc1 on android, i use gcc12 build kernel 6.1 for android, CONFIG_KMSAN is not set. > "instrumented.h: add KMSAN support" cause android bluetooth high CPU usage. > git bisect linux kernel 6.1rc1, "instrumented.h: add KMSAN support" is a bad commit for my android. > > this is my kernel 6.1, revert include/linux/instrumented.h fix high cpu usage problem. > https://github.com/youling257/android-mainline/commits/6.1 What arch? If x86, can you try to revert only the change to instrument_get_user()? (I wonder if the u64 conversion is causing issues.)
