On Fri, Sep 18, 2020 at 06:07:42AM +0200, Heinrich Schuchardt wrote: > Am 17. September 2020 20:53:20 MESZ schrieb Tom Rini <[email protected]>: > >On Thu, Sep 17, 2020 at 08:03:24PM +0200, Heinrich Schuchardt wrote: > >> On 9/17/20 7:47 PM, Tom Rini wrote: > >> > On Thu, Sep 17, 2020 at 07:18:08PM +0200, Heinrich Schuchardt > >wrote: > >> > > >> >> CONFIG_EFI_GRUB_ARM32 is only needed for architectures with caches > >that are > >> >> not managed via CP15 (or for some outdated buggy versions of > >GRUB). It > >> >> makes more sense to disable the setting per architecture than per > >defconfig. > >> >> > >> >> Move QEMU's CONFIG_EFI_GRUB_ARM32_WORKAROUND=n from defconfig to > >Kconfig. > >> >> > >> >> Signed-off-by: Heinrich Schuchardt <[email protected]> > >> >> --- > >> >> configs/qemu_arm_defconfig | 1 - > >> >> lib/efi_loader/Kconfig | 1 + > >> >> 2 files changed, 1 insertion(+), 1 deletion(-) > >> > > >> > Why? Are we about to move this to be a short list of "default y if > >..." > >> > instead? Otherwise no, this is the level of detail that should be > >in a > >> > defconfig I think and not Kconfig. > >> > > >> > >> Hello Tom, > >> > >> yes, in the long run I want to turn this into "default y if". But I > >> first need to a list of all ARCH_* which have a cache which is not > >> controlled via CP15. > > > >Isn't the bigger problem / list "needs to support old / buggy GRUB" ? > > There are no operating systems distributing 2021 U-Boot with 2018 GRUB.
Then we should remove default y there after v2020.10 I think, and get the distro folks to ack/review that. I don't think there's any cases of "SoC doesn't use CP15 for cache" and "SoC uses GRUB". -- Tom
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