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[PATCH 0/2] Enable --gc-sections
- To: <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Jason Andryuk <jason.andryuk@xxxxxxx>
- Date: Tue, 9 Dec 2025 16:47:26 -0500
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- Cc: Victor Lira <victorm.lira@xxxxxxx>, Jason Andryuk <jason.andryuk@xxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, "Julien Grall" <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, "Grygorii Strashko" <grygorii_strashko@xxxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Timothy Pearson <tpearson@xxxxxxxxxxxxxxxxxxxxx>, Alistair Francis <alistair.francis@xxxxxxx>, Bob Eshleman <bobbyeshleman@xxxxxxxxx>, "Connor Davis" <connojdavis@xxxxxxxxx>, Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
- Delivery-date: Tue, 09 Dec 2025 21:47:55 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
The first patch removes the scheduler duplication in the linker script.
The second patch adds CONFIG_GC_SECTIONS and makes it available for all
architectures.
Pipeline here:
https://gitlab.com/xen-project/people/jandryuk-amd/xen/-/pipelines/2205223331
--print-gc-sections is enabled, and ARM builds in particular show a good
bit of removal.
Jason Andryuk (2):
xen: Centralize scheduler linker definition
xen: Add CONFIG_GC_SECTIONS
xen/Makefile | 3 +++
xen/arch/arm/Makefile | 6 +++---
xen/arch/arm/xen.lds.S | 27 ++++++++++++---------------
xen/arch/ppc/Makefile | 6 +++---
xen/arch/ppc/xen.lds.S | 19 ++++++++-----------
xen/arch/riscv/Makefile | 6 +++---
xen/arch/riscv/xen.lds.S | 19 ++++++++-----------
xen/arch/x86/Makefile | 6 +++---
xen/arch/x86/xen.lds.S | 39 ++++++++++++++++++---------------------
xen/common/Kconfig | 9 +++++++++
xen/include/xen/xen.lds.h | 24 +++++++++++++++---------
11 files changed, 85 insertions(+), 79 deletions(-)
--
2.52.0
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