Fedora enables DEBUG_VM, which has led to occasions where a VM_BUG_ON() is not caught by upstream testing, but rather is first found in Fedora, which is not how it's meant to be.
PAGE_OWNER & PAGE_POISONING both need to be enabled on the kernel command line, so should not add much overhead in normal operation. Signed-off-by: Michael Ellerman <m...@ellerman.id.au> --- arch/powerpc/configs/ppc64_defconfig | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/powerpc/configs/ppc64_defconfig b/arch/powerpc/configs/ppc64_defconfig index c8b49e33fd81..3154f307bba6 100644 --- a/arch/powerpc/configs/ppc64_defconfig +++ b/arch/powerpc/configs/ppc64_defconfig @@ -397,14 +397,20 @@ CONFIG_PRINTK_TIME=y CONFIG_PRINTK_CALLER=y CONFIG_DEBUG_KERNEL=y CONFIG_MAGIC_SYSRQ=y +CONFIG_PAGE_OWNER=y +CONFIG_PAGE_POISONING=y CONFIG_DEBUG_RODATA_TEST=y +CONFIG_DEBUG_WX=y CONFIG_DEBUG_STACK_USAGE=y +CONFIG_DEBUG_VM=y +# CONFIG_DEBUG_VM_PGTABLE is not set CONFIG_DEBUG_STACKOVERFLOW=y CONFIG_SOFTLOCKUP_DETECTOR=y CONFIG_HARDLOCKUP_DETECTOR=y CONFIG_DEBUG_MUTEXES=y CONFIG_FUNCTION_TRACER=y CONFIG_LOCK_TORTURE_TEST=m +CONFIG_BUG_ON_DATA_CORRUPTION=y CONFIG_STACK_TRACER=y CONFIG_SCHED_TRACER=y CONFIG_FTRACE_SYSCALLS=y -- 2.39.2
