Re: build failure of malta_qemu_32r6_defconfig

From: Sudip Mukherjee
Date: Sat Apr 17 2021 - 19:02:22 EST


Hi Thomas,

On Fri, Apr 9, 2021 at 1:17 PM Thomas Bogendoerfer
<tsbogend@xxxxxxxxxxxxxxxx> wrote:
>
> 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/

Looks like there has been no response to it since last 8 months. Do
you want me to respin it and send a proper patch?


--
Regards
Sudip