On Thu, Apr 08, 2021 at 09:42:11AM +0800, YunQiang Su wrote: > Sudip Mukherjee <sudipm.mukherjee@xxxxxxxxx> 于2021年4月8日周四 上午2:26写道： > > > > Hi Thomas, > > > > I was building v5.10.28 with malta_qemu_32r6_defconfig and noticed that > > it fails to build, so tried next-20210407 to see if it has been fixed. > > But linux-next also has the issue with gcc-10. > > > > The error is: > > > > ./arch/mips/include/asm/vdso/gettimeofday.h: In function '__vdso_clock_gettime': > > ./arch/mips/include/asm/vdso/gettimeofday.h:103:2: error: the register 'lo' cannot be clobbered in 'asm' for the current target > > 103 | asm volatile( > > | ^~~ > > this operation try to save lo and hi register, while they are not > exisiting on r6. > We are working on figure out a patch for it. looks like there is already a patch in patchwork, which just needs a workup: https://patchwork.kernel.org/project/linux-mips/patch/20200801154401.4177009-1-romain.naour@xxxxxxxxx/ Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ]
