On Tue, Mar 29, 2022, Naresh Kamboju wrote: > While running kselftest kvm test cases on x86_64 devices the following > kernel warning was reported. ... > [ 62.510388] ------------[ cut here ]------------ > [ 62.515064] WARNING: CPU: 1 PID: 915 at > arch/x86/kvm/../../../virt/kvm/kvm_main.c:3156 > mark_page_dirty_in_slot+0xba/0xd0 > [ 62.525968] Modules linked in: x86_pkg_temp_thermal fuse > [ 62.531307] CPU: 1 PID: 915 Comm: hyperv_clock Not tainted 5.17.0 #1 > [ 62.537691] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS > 2.0b 07/27/2017 > [ 62.545185] RIP: 0010:mark_page_dirty_in_slot+0xba/0xd0 Long known issue. I think we're all waiting for someone else to post an actual patch. Vitaly, can you formally post the below patch, or do you need feedback first? https://lore.kernel.org/all/874k51eddp.fsf@xxxxxxxxxx/