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SubjectRe: [linux-stable-rc:linux-4.19.y 3113/3976] drivers/char/random.c:1336: Error: unrecognized opcode `csrs sstatus,s4'
On Mon, Oct 10, 2022 at 01:05:39PM +0100, Conor Dooley wrote:
> On Mon, Oct 10, 2022 at 07:51:59PM +0800, kernel test robot wrote:
> > tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.19.y
> > head: 5644b22533b36dc1a95ab1db4ae83381514b2908
> > commit: 1923d9a8a08684c063da049fa9d5d8139edbbcbb [3113/3976] random: convert to using fops->write_iter()
> > config: riscv-randconfig-c024-20221009
> > compiler: riscv64-linux-gcc (GCC) 12.1.0
> > reproduce (this is a W=1 build):
> > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> > chmod +x ~/bin/make.cross
> > # https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?id=1923d9a8a08684c063da049fa9d5d8139edbbcbb
> > git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
> > git fetch --no-tags linux-stable-rc linux-4.19.y
> > git checkout 1923d9a8a08684c063da049fa9d5d8139edbbcbb
> > # save the config file
> > mkdir build_dir && cp config build_dir/.config
> > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/char/
> >
> > If you fix the issue, kindly add following tag where applicable
> > | Reported-by: kernel test robot <lkp@intel.com>
> >
> > All errors (new ones prefixed by >>):
> >
> > arch/riscv/include/asm/irqflags.h: Assembler messages:
> > arch/riscv/include/asm/irqflags.h:42: Error: unrecognized opcode `csrrc s6,sstatus,2'
> > arch/riscv/include/asm/irqflags.h:60: Error: unrecognized opcode `csrs sstatus,0'
> > arch/riscv/include/asm/irqflags.h:60: Error: unrecognized opcode `csrs sstatus,s6'
> > drivers/char/random.c:1316: Error: unrecognized opcode `csrs sstatus,a3'
> > drivers/char/random.c:1316: Error: unrecognized opcode `csrc sstatus,a3'
> > drivers/char/random.c:1322: Error: unrecognized opcode `csrs sstatus,a3'
> > drivers/char/random.c:1322: Error: unrecognized opcode `csrc sstatus,a3'
> > >> drivers/char/random.c:1336: Error: unrecognized opcode `csrs sstatus,s4'
> > >> drivers/char/random.c:1336: Error: unrecognized opcode `csrc sstatus,s4'
>
> All of these look like 4.19.y is missing a backport of:
> Fixes: 6df2a016c0c8 ("riscv: fix build with binutils 2.38")
>
> That commit is CC: stable, so I assume it did not apply or w/e and
> nobody cared enough to do a backport?

It does not apply and no one sent in a fixed backport :(

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