[PATCH 1/3] riscv: convert to generic entry

[Guo Ren]

On Sun, Sep 4, 2022 at 6:23 PM <Conor.Dooley at microchip.com> wrote:
>
> On 04/09/2022 10:01, Guo Ren wrote:
> > EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> >
> > The problem is the robot only picks one of my patch series.
>
> If there are build dependencies, could you just send it all as
> a single series?
It depends on riscv: cleanup disable_ptrace.

See V2.

> Thanks,
> Conor.
>
> >
> > git:(8390e92d0bcc) git log --oneline -8
> > 8390e92d0bcc (HEAD) riscv: convert to generic entry
> > b224d265f838 soc: document merges
> > a10b904f72e1 Merge branch 'arm/soc' into for-next
> > 566e373fe047 arm64: Kconfig.platforms: Group NXP platforms together
> > 96796c914b84 arm64: Kconfig.platforms: Re-organized Broadcom menu
> > 3779852e05c7 Merge branch 'arm/defconfig' into for-next
> > 646e8ad3e676 Merge branch 'arm/drivers' into for-next
> > 086e9b3719ae Merge branch 'arm/dt' into for-next
> >
> > After cherry-pick all patches, all is right:
> > 27642008ec1f (HEAD) riscv: compat_syscall_table: Fixup compile warning
> > afcaaabc38e0 riscv: elf_kexec: Fixup compile warning
> > 741c29016482 riscv: Support HAVE_SOFTIRQ_ON_OWN_STACK
> > 4eb9469a3bc8 riscv: Support HAVE_IRQ_EXIT_ON_IRQ_STACK
> > a372b565b7c9 riscv: convert to generic entry
> > 2d228d709c92 riscv: ptrace: Remove duplicate operation
> > b224d265f838 soc: document merges
> > a10b904f72e1 Merge branch 'arm/soc' into for-next
> >
> > If you want to try the riscv generic entry, please use the
> > v6.0-rc3-based branch [1].
> >
> > [1]: https://github.com/guoren83/linux/tree/generic_entry_v2
> >
> > On Sun, Sep 4, 2022 at 3:39 PM kernel test robot <lkp at intel.com> wrote:
> >>
> >> Hi,
> >>
> >> I love your patch! Yet something to improve:
> >>
> >> [auto build test ERROR on soc/for-next]
> >> [also build test ERROR on linus/master v6.0-rc3 next-20220901]
> >> [If your patch is applied to the wrong git tree, kindly drop us a note.
> >> And when submitting patch, we suggest to use '--base' as documented in
> >> https://git-scm.com/docs/git-format-patch#_base_tree_information]
> >>
> >> url:    https://github.com/intel-lab-lkp/linux/commits/guoren-kernel-org/riscv-Add-GENERIC_ENTRY-IRQ_STACKS-support/20220904-003954
> >> base:   https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git for-next
> >> config: riscv-rv32_defconfig
> >> compiler: riscv32-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://github.com/intel-lab-lkp/linux/commit/8390e92d0bcc635f457df18c8c1baefc78a94e48
> >>         git remote add linux-review https://github.com/intel-lab-lkp/linux
> >>         git fetch --no-tags linux-review guoren-kernel-org/riscv-Add-GENERIC_ENTRY-IRQ_STACKS-support/20220904-003954
> >>         git checkout 8390e92d0bcc635f457df18c8c1baefc78a94e48
> >>         # 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
> >>
> >> If you fix the issue, kindly add following tag where applicable
> >> Reported-by: kernel test robot <lkp at intel.com>
> >>
> >> All errors (new ones prefixed by >>):
> >>
> >>    arch/riscv/kernel/sys_riscv.c:80:17: warning: no previous prototype for 'do_sys_ecall_u' [-Wmissing-prototypes]
> >>       80 | asmlinkage void do_sys_ecall_u(struct pt_regs *regs)
> >>          |                 ^~~~~~~~~~~~~~
> >>    arch/riscv/kernel/sys_riscv.c: In function 'do_sys_ecall_u':
> >>>> arch/riscv/kernel/sys_riscv.c:83:39: error: 'SR_UXL' undeclared (first use in this function); did you mean 'SR_XS'?
> >>       83 |         ulong sr_uxl = regs->status & SR_UXL;
> >>          |                                       ^~~~~~
> >>          |                                       SR_XS
> >>    arch/riscv/kernel/sys_riscv.c:83:39: note: each undeclared identifier is reported only once for each function it appears in
> >>>> arch/riscv/kernel/sys_riscv.c:91:23: error: 'SR_UXL_32' undeclared (first use in this function)
> >>       91 |         if (sr_uxl == SR_UXL_32)
> >>          |                       ^~~~~~~~~
> >>
> >>
> >> vim +83 arch/riscv/kernel/sys_riscv.c
> >>
> >>     79
> >>     80  asmlinkage void do_sys_ecall_u(struct pt_regs *regs)
> >>     81  {
> >>     82          syscall_t syscall;
> >>   > 83          ulong sr_uxl = regs->status & SR_UXL;
> >>     84          ulong nr = regs->a7;
> >>     85
> >>     86          regs->epc += 4;
> >>     87          regs->orig_a0 = regs->a0;
> >>     88          regs->a0 = -ENOSYS;
> >>     89
> >>     90          nr = syscall_enter_from_user_mode(regs, nr);
> >>   > 91          if (sr_uxl == SR_UXL_32)
> >>
> >> --
> >> 0-DAY CI Kernel Test Service
> >> https://01.org/lkp
> >
> >
> >
> > --
> > Best Regards
> >  Guo Ren
> >
> > _______________________________________________
> > linux-riscv mailing list
> > linux-riscv at lists.infradead.org
> > http://lists.infradead.org/mailman/listinfo/linux-riscv
>


-- 
Best Regards
 Guo Ren