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Re: [PATCH v12 1/8] xen/riscv: disable unnecessary configs
- To: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Thu, 30 May 2024 17:44:09 +0100
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- Cc: Doug Goldstein <cardoe@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Alistair Francis <alistair.francis@xxxxxxx>, Bob Eshleman <bobbyeshleman@xxxxxxxxx>, Connor Davis <connojdavis@xxxxxxxxx>, "Daniel P. Smith" <dpsmith@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Thu, 30 May 2024 16:44:21 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
The subject should say "update Kconfig", because you're not (only)
disabling.
I'd suggest "xen/riscv: Update Kconfig in preparation for a full Xen build".
On 29/05/2024 8:55 pm, Oleksii Kurochko wrote:
> Disables unnecessary configs for two cases:
> 1. By utilizing EXTRA_FIXED_RANDCONFIG for randconfig builds (GitLab CI jobs).
> 2. By using tiny64_defconfig for non-randconfig builds.
>
> Only configs which lead to compilation issues were disabled.
>
> Remove lines related to disablement of configs which aren't affected
> compilation:
> -# CONFIG_SCHED_CREDIT is not set
> -# CONFIG_SCHED_RTDS is not set
> -# CONFIG_SCHED_NULL is not set
> -# CONFIG_SCHED_ARINC653 is not set
> -# CONFIG_TRACEBUFFER is not set
> -# CONFIG_HYPFS is not set
> -# CONFIG_SPECULATIVE_HARDEN_ARRAY is not set
>
> To allow CONFIG_ARGO build happy it was included <asm/p2m.h> to <asm/domain.h>
> as ARGO requires p2m_type_t ( p2m_ram_rw ) and declaration of
> check_get_page_from_gfn() from xen/p2m-common.h.
>
> Also, it was included <xen/errno.h> to asm/p2m.h as after the latter was
> included to <asm/domain.h> the compilation error that EINVAL, EOPNOTSUPP
> aren't declared started to occur.
>
> CONFIG_XSM=n as it requires an introduction of:
> * boot_module_find_by_kind()
> * BOOTMOD_XSM
> * struct bootmodule
> * copy_from_paddr()
> The mentioned things aren't introduced now.
>
> CPU_BOOT_TIME_CPUPOOLS requires an introduction of cpu_physical_id() and
> acpi_disabled, so it is disabled for now.
CONFIG_BOOT_TIME_CPUPOOLS
Also the "depends on DT" isn't good enough as a restriction IMO. It's
very ARM-dom0less specific.
> PERF_COUNTERS requires asm/perf.h and asm/perfc-defn.h, so it is
> also disabled for now, as RISC-V hasn't introduced this headers yet.
> LIVEPATCH isn't ready for RISC-V too and it can be overriden by randconfig,
> so to avoid compilation errors for randconfig it is disabled for now.
PERF_COUNTERS is x86-only, and both LIVEPATCH really should be guarded
by have HAVE_$FOO selected by ARCH.
However, that's not work to get stuck into now.
It's quite unreasonable how much stuff doesn't work in simple builds...
> Signed-off-by: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
I'm happy to fix up the two minor issues on commit.
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