linux-kernel - [RFC v5 54/57] arm64: Move constant to rodata

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Message-Id: <20200109160300.26150-55-jthierry@redhat.com>
Date:   Thu,  9 Jan 2020 16:02:57 +0000
From:   Julien Thierry <jthierry@...hat.com>
To:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc:     jpoimboe@...hat.com, peterz@...radead.org, raphael.gault@....com,
        catalin.marinas@....com, will@...nel.org,
        Julien Thierry <jthierry@...hat.com>
Subject: [RFC v5 54/57] arm64: Move constant to rodata

Constant arm64_relocate_new_kernel_size does not need to be in
the same section as the new kernel code/data region.

Move it to ".rodata" section.

Signed-off-by: Julien Thierry <jthierry@...hat.com>
---
 arch/arm64/kernel/relocate_kernel.S | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm64/kernel/relocate_kernel.S b/arch/arm64/kernel/relocate_kernel.S
index 5e08845f701a..e7a5fded59e6 100644
--- a/arch/arm64/kernel/relocate_kernel.S
+++ b/arch/arm64/kernel/relocate_kernel.S
@@ -122,10 +122,13 @@ ENDPROC(arm64_relocate_new_kernel)
 /* Ensure we didn't go past the limit */
 .org	KEXEC_CONTROL_PAGE_SIZE
 
+.pushsection ".rodata", "a"
 /*
  * arm64_relocate_new_kernel_size - Number of bytes to copy to the
  * control_code_page.
  */
 .globl arm64_relocate_new_kernel_size
+.align 8
 arm64_relocate_new_kernel_size:
 	.quad	.Lcopy_end - arm64_relocate_new_kernel
+.popsection
-- 
2.21.0