Hi, On Wed, Oct 16, 2019 at 02:51:17PM -0700, Greg Kroah-Hartman wrote: > From: Paul Burton <paul.bur...@mips.com> > > commit 2f2b4fd674cadd8c6b40eb629e140a14db4068fd upstream. > > GCC 9.x automatically enables support for Loongson MMI instructions when > using some -march= flags, and then errors out when -msoft-float is > specified with: > > cc1: error: ‘-mloongson-mmi’ must be used with ‘-mhard-float’ > > The kernel shouldn't be using these MMI instructions anyway, just as it > doesn't use floating point instructions. Explicitly disable them in > order to fix the build with GCC 9.x. >
I still see this problem when trying to compile fuloong2e_defconfig with gcc 9.x or later. Reason seems to be that the patch was applied to arch/mips/loongson64/Platform, but fuloong2e_defconfig uses arch/mips/loongson2ef/Platform. Am I missing something ? Thanks, Guenter
