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SubjectRe: [PATCH V5 0/2] Support VMCOREINFO export for RISCV64
On Wed, Dec 7, 2022 at 4:08 PM Conor Dooley <conor@kernel.org> wrote:
>
> On Wed, Dec 07, 2022 at 11:34:57AM +0800, Guo Ren wrote:
> > On Wed, Dec 7, 2022 at 7:05 AM Conor Dooley <conor@kernel.org> wrote:
> > >
> > > Hey Palmer, Xianting,
> > >
> > > On Fri, Dec 02, 2022 at 04:49:39PM -0800, Palmer Dabbelt wrote:
> > > > On Wed, 26 Oct 2022 22:42:06 +0800, Xianting Tian wrote:
> > > > > As disscussed in below patch set, the patch of 'describe VMCOREINFO export in Documentation'
> > > > > need to update according to Bagas's comments.
> > > > > https://lore.kernel.org/linux-riscv/22AAF52E-8CC8-4D11-99CB-88DE4D113444@kernel.org/
> > > > >
> > > > > As others patches in above patch set already applied, so this patch set only contains below two
> > > > > patches.
> > > > >
> > > > > [...]
> > > >
> > > > Applied, thanks!
> > > >
> > > > [1/2] RISC-V: Add arch_crash_save_vmcoreinfo support
> > > > https://git.kernel.org/palmer/c/649d6b1019a2
> > >
> > > So this patch seems to be causing issues for the nommu build:
> > > https://lore.kernel.org/oe-kbuild-all/202212062250.tR0otHcz-lkp@intel.com/
> > >
> > > I had a bit of a poke at trying to see if there were some headers we
> > > could pull in before actually checking the .config only to see:
> > > # CONFIG_MMU is not set
> > >
> > > Do we have to wrap the whole thing in a `#ifdef CONFIG_MMU` to fix
> > > compilation here?
> > The problem does not belong to the patch.
> >
> > Could I send a fixup patch? like this?
>
> That seems like a sane dependancy, but did you build that config?
> This doesn't fix the problem for me :/
Sorry, It's the wrong fixup. Here is the new version, and tested. Thx
for the report.

https://lore.kernel.org/linux-riscv/20221207091112.2258674-1-guoren@kernel.org/

>
> >
> > diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
> > index ef8d66de5f38..d8c07999426c 100644
> > --- a/arch/riscv/Kconfig
> > +++ b/arch/riscv/Kconfig
> > @@ -512,6 +512,7 @@ config ARCH_HAS_KEXEC_PURGATORY
> >
> > config CRASH_DUMP
> > bool "Build kdump crash kernel"
> > + depends on KEXEC
> > help
> > Generate crash dump after being started by kexec. This should
> > be normally only set in special crash dump kernels which are
> >
> > >
> > > Thanks,
> > > Conor.
> > >
> >
> >
> > --
> > Best Regards
> > Guo Ren



--
Best Regards
Guo Ren

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