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From: Nathan Chancellor <nathan@kernel.org>
To: Brian Cain <bcain@codeaurora.org>,
	Andrew Morton <akpm@linux-foundation.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>,
	linux-hexagon@vger.kernel.org, linux-kernel@vger.kernel.org,
	clang-built-linux@googlegroups.com,
	Nathan Chancellor <nathan@kernel.org>
Subject: [PATCH 2/3] hexagon: Use common DISCARDS macro
Date: Thu, 20 May 2021 18:12:38 -0700
Message-ID: <20210521011239.1332345-3-nathan@kernel.org> (raw)
In-Reply-To: <20210521011239.1332345-1-nathan@kernel.org>

ld.lld warns that the '.modinfo' section is not currently handled:

ld.lld: warning: kernel/built-in.a(workqueue.o):(.modinfo) is being placed in '.modinfo'
ld.lld: warning: kernel/built-in.a(printk/printk.o):(.modinfo) is being placed in '.modinfo'
ld.lld: warning: kernel/built-in.a(irq/spurious.o):(.modinfo) is being placed in '.modinfo'
ld.lld: warning: kernel/built-in.a(rcu/update.o):(.modinfo) is being placed in '.modinfo'

The '.modinfo' section was added in commit 898490c010b5 ("moduleparam:
Save information about built-in modules in separate file") to the
DISCARDS macro but Hexagon has never used that macro. The unification of
DISCARDS happened in commit 023bf6f1b8bf ("linker script: unify usage of
discard definition") in 2009, prior to Hexagon being added in 2011.

Switch Hexagon over to the DISCARDS macro so that anything that is
expected to be discarded gets discarded.

Fixes: e95bf452a9e2 ("Hexagon: Add configuration and makefiles for the Hexagon architecture.")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
---
 arch/hexagon/kernel/vmlinux.lds.S | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/arch/hexagon/kernel/vmlinux.lds.S b/arch/hexagon/kernel/vmlinux.lds.S
index 20f19539c5fc..57465bff1fe4 100644
--- a/arch/hexagon/kernel/vmlinux.lds.S
+++ b/arch/hexagon/kernel/vmlinux.lds.S
@@ -61,14 +61,9 @@ SECTIONS
 
 	_end = .;
 
-	/DISCARD/ : {
-		EXIT_TEXT
-		EXIT_DATA
-		EXIT_CALL
-	}
-
 	STABS_DEBUG
 	DWARF_DEBUG
 	ELF_DETAILS
 
+	DISCARDS
 }
-- 
2.32.0.rc0


  parent reply index

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-21  1:12 [PATCH 0/3] hexagon: Fix build error with CONFIG_STACKDEPOT and select CONFIG_ARCH_WANT_LD_ORPHAN_WARN Nathan Chancellor
2021-05-21  1:12 ` [PATCH 1/3] hexagon: Handle {,SOFT}IRQENTRY_TEXT in linker script Nathan Chancellor
2021-06-01 19:16   ` Nick Desaulniers
2021-06-03 16:59   ` Brian Cain
2021-05-21  1:12 ` Nathan Chancellor [this message]
2021-06-01 19:18   ` [PATCH 2/3] hexagon: Use common DISCARDS macro Nick Desaulniers
2021-06-03 16:59   ` Brian Cain
2021-05-21  1:12 ` [PATCH 3/3] hexagon: Select ARCH_WANT_LD_ORPHAN_WARN Nathan Chancellor
2021-06-01 19:20   ` Nick Desaulniers
2021-06-03 16:59   ` Brian Cain
2021-06-03  1:17 ` [PATCH 0/3] hexagon: Fix build error with CONFIG_STACKDEPOT and select CONFIG_ARCH_WANT_LD_ORPHAN_WARN Nathan Chancellor
2021-06-03 16:59   ` Brian Cain
2021-06-15 17:25     ` Nathan Chancellor

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