arch x86, this's my revert, https://github.com/youling257/android-mainline/commit/401cbfa61cbfc20c87a5be8e2dda68ac5702389f i tried different revert, have to remove kmsan_copy_to_user. 2022-10-20 1:58 GMT+08:00, Marco Elver <elver@xxxxxxxxxx>: > 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.) >
