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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Nathan Chancellor <nathan@kernel.org>,
        Nick Desaulniers <ndesaulniers@google.com>,
        Brian Cain <bcain@codeaurora.org>,
        David Rientjes <rientjes@google.com>,
        Oliver Glitta <glittao@gmail.com>,
        Vlastimil Babka <vbabka@suse.cz>,
        Andrew Morton <akpm@linux-foundation.org>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 4.14 298/315] hexagon: use common DISCARDS macro
Date:   Mon, 19 Jul 2021 16:53:07 +0200
Message-Id: <20210719144953.270864689@linuxfoundation.org>
In-Reply-To: <20210719144942.861561397@linuxfoundation.org>
References: <20210719144942.861561397@linuxfoundation.org>
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From: Nathan Chancellor <nathan@kernel.org>

[ Upstream commit 681ba73c72302214686401e707e2087ed11a6556 ]

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.

Link: https://lkml.kernel.org/r/20210521011239.1332345-3-nathan@kernel.org
Fixes: e95bf452a9e2 ("Hexagon: Add configuration and makefiles for the Hexagon architecture.")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Acked-by: Brian Cain <bcain@codeaurora.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Oliver Glitta <glittao@gmail.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@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 ec87e67feb19..22c10102712a 100644
--- a/arch/hexagon/kernel/vmlinux.lds.S
+++ b/arch/hexagon/kernel/vmlinux.lds.S
@@ -71,13 +71,8 @@ SECTIONS
 
 	_end = .;
 
-	/DISCARD/ : {
-		EXIT_TEXT
-		EXIT_DATA
-		EXIT_CALL
-	}
-
 	STABS_DEBUG
 	DWARF_DEBUG
 
+	DISCARDS
 }
-- 
2.30.2