Xen project Mailing List

[PATCH 1/2] xen: Centralize scheduler linker definition

From: Jason Andryuk <jason.andryuk@xxxxxxx>

Date: Tue, 9 Dec 2025 16:47:27 -0500

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Cc: Victor Lira <victorm.lira@xxxxxxx>, Jason Andryuk <jason.andryuk@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Timothy Pearson <tpearson@xxxxxxxxxxxxxxxxxxxxx>, Alistair Francis <alistair.francis@xxxxxxx>, Bob Eshleman <bobbyeshleman@xxxxxxxxx>, "Connor Davis" <connojdavis@xxxxxxxxx>, Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>, Grygorii Strashko <grygorii_strashko@xxxxxxxx>

Delivery-date: Tue, 09 Dec 2025 21:47:55 +0000

List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

Use a define to centralize the common scheduler data in the per-arch linker scripts. This is in preparation for marking it KEEP(). Signed-off-by: Jason Andryuk <jason.andryuk@xxxxxxx> --- xen/arch/arm/xen.lds.S | 5 +---- xen/arch/ppc/xen.lds.S | 5 +---- xen/arch/riscv/xen.lds.S | 5 +---- xen/arch/x86/xen.lds.S | 5 +---- xen/include/xen/xen.lds.h | 6 ++++++ 5 files changed, 10 insertions(+), 16 deletions(-) diff --git a/xen/arch/arm/xen.lds.S b/xen/arch/arm/xen.lds.S index db17ff1efa..2d5f1c516d 100644 --- a/xen/arch/arm/xen.lds.S +++ b/xen/arch/arm/xen.lds.S @@ -92,11 +92,8 @@ SECTIONS . = ALIGN(SMP_CACHE_BYTES); .data : { /* Data */ *(.data.page_aligned) - . = ALIGN(8); - __start_schedulers_array = .; - *(.data.schedulers) - __end_schedulers_array = .; + SCHEDULER_ARRAY HYPFS_PARAM *(.data .data.*) diff --git a/xen/arch/ppc/xen.lds.S b/xen/arch/ppc/xen.lds.S index 1de0b77fc6..d0f2ed43f1 100644 --- a/xen/arch/ppc/xen.lds.S +++ b/xen/arch/ppc/xen.lds.S @@ -83,11 +83,8 @@ SECTIONS . = ALIGN(PAGE_SIZE); DECL_SECTION(.data) { /* Data */ *(.data.page_aligned) - . = ALIGN(8); - __start_schedulers_array = .; - *(.data.schedulers) - __end_schedulers_array = .; + SCHEDULER_ARRAY HYPFS_PARAM *(.data .data.*) diff --git a/xen/arch/riscv/xen.lds.S b/xen/arch/riscv/xen.lds.S index edcadff90b..45d2e053d0 100644 --- a/xen/arch/riscv/xen.lds.S +++ b/xen/arch/riscv/xen.lds.S @@ -78,11 +78,8 @@ SECTIONS . = ALIGN(PAGE_SIZE); .data : { /* Data */ *(.data.page_aligned) - . = ALIGN(8); - __start_schedulers_array = .; - *(.data.schedulers) - __end_schedulers_array = .; + SCHEDULER_ARRAY HYPFS_PARAM *(.data .data.*) diff --git a/xen/arch/x86/xen.lds.S b/xen/arch/x86/xen.lds.S index 1ee08a3ea3..2aa41306ca 100644 --- a/xen/arch/x86/xen.lds.S +++ b/xen/arch/x86/xen.lds.S @@ -309,11 +309,8 @@ SECTIONS . = ALIGN(SMP_CACHE_BYTES); DECL_SECTION(.data.read_mostly) { *(.data.read_mostly) - . = ALIGN(8); - __start_schedulers_array = .; - *(.data.schedulers) - __end_schedulers_array = .; + SCHEDULER_ARRAY HYPFS_PARAM } PHDR(text) diff --git a/xen/include/xen/xen.lds.h b/xen/include/xen/xen.lds.h index f54fb2d152..2d66d618b3 100644 --- a/xen/include/xen/xen.lds.h +++ b/xen/include/xen/xen.lds.h @@ -173,6 +173,12 @@ _edevice = .; \ } :text +#define SCHEDULER_ARRAY \ + . = ALIGN(8); \ + __start_schedulers_array = .; \ + *(.data.schedulers) \ + __end_schedulers_array = .; + #ifdef CONFIG_HYPFS #define HYPFS_PARAM \ . = ALIGN(POINTER_ALIGN); \ -- 2.52.0

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