Xen project Mailing List

[PATCH] xen: Consolidate linker script setup data

From: Jason Andryuk <jason.andryuk@xxxxxxx>

Date: Wed, 23 Sep 2026 12:19:35 -0400

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Cc: 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@xxxxxxxxxxxxxx>, Timothy Pearson <tpearson@xxxxxxxxxxxxxxxxxxxxx>, Alistair Francis <alistair.francis@xxxxxxx>, Connor Davis <connojdavis@xxxxxxxxx>, Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>, Teddy Astie <teddy.astie@xxxxxxxxxx>, Grygorii Strashko <grygorii_strashko@xxxxxxxx>, Alejandro Vallejo <alejandro.garciavallejo@xxxxxxx>

Delivery-date: Wed, 23 Sep 2026 16:20:08 +0000

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

.init.setup, .initcallpresmp.init, and .initcall1.init are duplicated across architectures. Replace them with a common define, SETUP_DATA. Suggested-by: Grygorii Strashko <grygorii_strashko@xxxxxxxx> Signed-off-by: Jason Andryuk <jason.andryuk@xxxxxxx> Reviewed-by: Alejandro Vallejo <alejandro.garciavallejo@xxxxxxx> Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx> --- Alejandro reviewed internally. Jan reviewed off list. --- xen/arch/arm/xen.lds.S | 11 +---------- xen/arch/ppc/xen.lds.S | 12 +----------- xen/arch/riscv/xen.lds.S | 12 +----------- xen/arch/x86/xen.lds.S | 11 +---------- xen/include/xen/xen.lds.h | 12 ++++++++++++ 5 files changed, 16 insertions(+), 42 deletions(-) diff --git a/xen/arch/arm/xen.lds.S b/xen/arch/arm/xen.lds.S index d4d9594033..32afbfe131 100644 --- a/xen/arch/arm/xen.lds.S +++ b/xen/arch/arm/xen.lds.S @@ -135,16 +135,7 @@ SECTIONS *(.init.rodata) *(.init.rodata.*) - . = ALIGN(POINTER_ALIGN); - __setup_start = .; - *(.init.setup) - __setup_end = .; - - __initcall_start = .; - *(.initcallpresmp.init) - __presmp_initcall_end = .; - *(.initcall1.init) - __initcall_end = .; + SETUP_DATA . = ALIGN(4); __alt_instructions = .; diff --git a/xen/arch/ppc/xen.lds.S b/xen/arch/ppc/xen.lds.S index d0f2ed43f1..37256c8865 100644 --- a/xen/arch/ppc/xen.lds.S +++ b/xen/arch/ppc/xen.lds.S @@ -107,17 +107,7 @@ SECTIONS *(.init.rodata) *(.init.rodata.*) - . = ALIGN(POINTER_ALIGN); - __setup_start = .; - *(.init.setup) - __setup_end = .; - - __initcall_start = .; - *(.initcallpresmp.init) - __presmp_initcall_end = .; - *(.initcall1.init) - __initcall_end = .; - + SETUP_DATA LOCK_PROFILE_DATA *(.init.data) diff --git a/xen/arch/riscv/xen.lds.S b/xen/arch/riscv/xen.lds.S index 70db658fef..d9375a9616 100644 --- a/xen/arch/riscv/xen.lds.S +++ b/xen/arch/riscv/xen.lds.S @@ -114,17 +114,7 @@ SECTIONS *(.init.rodata) *(.init.rodata.*) - . = ALIGN(POINTER_ALIGN); - __setup_start = .; - *(.init.setup) - __setup_end = .; - - __initcall_start = .; - *(.initcallpresmp.init) - __presmp_initcall_end = .; - *(.initcall1.init) - __initcall_end = .; - + SETUP_DATA LOCK_PROFILE_DATA *(.init.data) diff --git a/xen/arch/x86/xen.lds.S b/xen/arch/x86/xen.lds.S index b9e888e596..8f943e11ea 100644 --- a/xen/arch/x86/xen.lds.S +++ b/xen/arch/x86/xen.lds.S @@ -223,16 +223,7 @@ SECTIONS *(.init.rodata) *(.init.rodata.*) - . = ALIGN(POINTER_ALIGN); - __setup_start = .; - *(.init.setup) - __setup_end = .; - - __initcall_start = .; - *(.initcallpresmp.init) - __presmp_initcall_end = .; - *(.initcall1.init) - __initcall_end = .; + SETUP_DATA *(.init.data) *(.init.data.rel) diff --git a/xen/include/xen/xen.lds.h b/xen/include/xen/xen.lds.h index ea11e3fb62..958f8256b0 100644 --- a/xen/include/xen/xen.lds.h +++ b/xen/include/xen/xen.lds.h @@ -179,6 +179,18 @@ *(.data.schedulers) \ __end_schedulers_array = .; +#define SETUP_DATA \ + . = ALIGN(POINTER_ALIGN); \ + __setup_start = .; \ + *(.init.setup) \ + __setup_end = .; \ + \ + __initcall_start = .; \ + *(.initcallpresmp.init) \ + __presmp_initcall_end = .; \ + *(.initcall1.init) \ + __initcall_end = .; + #ifdef CONFIG_HYPFS #define HYPFS_PARAM \ . = ALIGN(POINTER_ALIGN); \ -- 2.55.0

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