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SubjectRe: [PATCH 1/2] x86/xen: remove 32-bit Xen PV guest support
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Date

> diff --git a/arch/x86/xen/Makefile b/arch/x86/xen/Makefile
> index 084de77a109e..d42737f31304 100644
> --- a/arch/x86/xen/Makefile
> +++ b/arch/x86/xen/Makefile
> @@ -1,5 +1,5 @@
> # SPDX-License-Identifier: GPL-2.0
> -OBJECT_FILES_NON_STANDARD_xen-asm_$(BITS).o := y
> +OBJECT_FILES_NON_STANDARD_xen-asm_64.o := y
>
> ifdef CONFIG_FUNCTION_TRACER
> # Do not profile debug and lowlevel utilities
> @@ -34,7 +34,7 @@ obj-$(CONFIG_XEN_PV) += mmu_pv.o
> obj-$(CONFIG_XEN_PV) += irq.o
> obj-$(CONFIG_XEN_PV) += multicalls.o
> obj-$(CONFIG_XEN_PV) += xen-asm.o
> -obj-$(CONFIG_XEN_PV) += xen-asm_$(BITS).o
> +obj-$(CONFIG_XEN_PV) += xen-asm_64.o

We should be able to merge xen-asm_64.S into xen-asm.S, shouldn't we?


> @@ -1312,15 +1290,7 @@ asmlinkage __visible void __init xen_start_kernel(void)
>
> /* keep using Xen gdt for now; no urgent need to change it */
>
> -#ifdef CONFIG_X86_32
> - pv_info.kernel_rpl = 1;
> - if (xen_feature(XENFEAT_supervisor_mode_kernel))
> - pv_info.kernel_rpl = 0;
> -#else
> pv_info.kernel_rpl = 0;

Is kernel_rpl needed anymore?


-boris


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