linux-kernel - [PATCH v2 3/5] riscv: vmlinux.lds.S: explicitly catch .riscv.attributes sections

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Message-Id: <20230119155417.2600-4-jszhang@kernel.org>
Date:   Thu, 19 Jan 2023 23:54:15 +0800
From:   Jisheng Zhang <jszhang@...nel.org>
To:     Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Nathan Chancellor <nathan@...nel.org>
Cc:     Conor Dooley <conor@...nel.org>, linux-riscv@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 3/5] riscv: vmlinux.lds.S: explicitly catch .riscv.attributes sections

When enabling linker orphan section warning, I got warnings similar as
below:
riscv64-linux-gnu-ld: warning: orphan section `.riscv.attributes' from
`init/main.o' being placed in section `.riscv.attributes'

While I don't see any usage of .riscv.attributes sections' in kernel
now, just catch the sections so that we can enable linker orphan
section warning.

Signed-off-by: Jisheng Zhang <jszhang@...nel.org>
---
 arch/riscv/kernel/vmlinux.lds.S | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/riscv/kernel/vmlinux.lds.S b/arch/riscv/kernel/vmlinux.lds.S
index 6a250313b752..7eb3d25d0dae 100644
--- a/arch/riscv/kernel/vmlinux.lds.S
+++ b/arch/riscv/kernel/vmlinux.lds.S
@@ -146,6 +146,7 @@ SECTIONS
 	STABS_DEBUG
 	DWARF_DEBUG
 	ELF_DETAILS
+	.riscv.attributes 0 : { *(.riscv.attributes) }
 
 	DISCARDS
 }
-- 
2.38.1