Re: [PATCH v2 3/3] RISC-V: Add arch functions to support hibernation/suspend-to-disk

From: Andrew Jones
Date: Tue Jan 10 2023 - 02:22:55 EST


On Tue, Jan 10, 2023 at 07:00:38AM +0000, JeeHeng Sia wrote:
>
>
> > -----Original Message-----
> > From: Conor Dooley <conor@xxxxxxxxxx>
> > Sent: Tuesday, 10 January, 2023 3:46 AM
> > To: Andrew Jones <ajones@xxxxxxxxxxxxxxxx>
> > Cc: JeeHeng Sia <jeeheng.sia@xxxxxxxxxxxxxxxx>; paul.walmsley@xxxxxxxxxx;
> > palmer@xxxxxxxxxxx; aou@xxxxxxxxxxxxxxxxx; linux-
> > riscv@xxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; Leyfoon Tan
> > <leyfoon.tan@xxxxxxxxxxxxxxxx>; Mason Huo
> > <mason.huo@xxxxxxxxxxxxxxxx>
> > Subject: Re: [PATCH v2 3/3] RISC-V: Add arch functions to support
> > hibernation/suspend-to-disk
> >
> > On Mon, Jan 09, 2023 at 08:36:24PM +0100, Andrew Jones wrote:
> > > On Mon, Jan 09, 2023 at 02:24:07PM +0800, Sia Jee Heng wrote:
> >
> > > > To enable hibernation/suspend to disk into RISCV, the below config
> > > > need to be enabled:
> > > > - CONFIG_ARCH_HIBERNATION_HEADER
> > > > - CONFIG_ARCH_HIBERNATION_POSSIBLE
> > > > - CONFIG_ARCH_RV64I
> > > > - CONFIG_64BIT
> >
> > > What's blocking this for being for both 32-bit and 64-bit?
> >
> > Just from checking with b4 diff, it's because I told them they broke the
> > rv32 build with their v1 implementation.
> >
> > I'd rather they fixed whatever the issue was with rv32 than ignored it.
> The main reason is because I don't have a rv32 system to verify the rv32 hibernation.

QEMU?

Thanks,
drew