On Thu, Dec 5, 2019 at 11:41 AM Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx> wrote: > > On 2019/12/05 19:22, Paolo Bonzini wrote: > > Ah, and because the machine is a KVM guest, kvm_wait appears in a lot of > > backtrace and I get to share syzkaller's joy every time. :) > > > > This bisect result is bogus, though Tetsuo found the bug anyway. > > Perhaps you can exclude commits that only touch architectures other than > > x86? > > > > It would be nice if coverage functionality can extract filenames in the source > code and supply the list of filenames as arguments for bisect operation. > > Also, (unrelated but) it would be nice if we can have "make yes2modconfig" > target which converts CONFIG_FOO=y to CONFIG_FOO=m if FOO is tristate. > syzbot is testing kernel configs close to "make allyesconfig" but I want to > save kernel rebuild time by disabling unrelated functionality when manually > "debug printk()ing" kernels. I thought that maybe sed "s#=y#=m#g" && make olddefconfig will do, but unfortunately, it turns off non-tristate configs... $ egrep "CONFIG_MEMORY_HOTPLUG|CONFIG_TCP_CONG_DCTCP" .config CONFIG_MEMORY_HOTPLUG=y CONFIG_TCP_CONG_DCTCP=y # sed -i "s/CONFIG_MEMORY_HOTPLUG=y/CONFIG_MEMORY_HOTPLUG=m/g" .config # sed -i "s/CONFIG_TCP_CONG_DCTCP=y/CONFIG_TCP_CONG_DCTCP=m/g" .config # egrep "CONFIG_MEMORY_HOTPLUG|CONFIG_TCP_CONG_DCTCP" .config CONFIG_MEMORY_HOTPLUG=m CONFIG_TCP_CONG_DCTCP=m # make olddefconfig # egrep "CONFIG_MEMORY_HOTPLUG|CONFIG_TCP_CONG_DCTCP" .config # CONFIG_MEMORY_HOTPLUG is not set CONFIG_TCP_CONG_DCTCP=m _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
