From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
stable@vger.kernel.org, kernel test robot <lkp@intel.com>,
Russell King <linux@armlinux.org.uk>,
linux-arm-kernel@lists.infradead.org,
Kees Cook <keescook@chromium.org>,
Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.15 410/530] ARM: decompressor: Include .data.rel.ro.local
Date: Mon, 24 Oct 2022 13:32:34 +0200 [thread overview]
Message-ID: <20221024113103.643088356@linuxfoundation.org> (raw)
In-Reply-To: <20221024113044.976326639@linuxfoundation.org>
From: Kees Cook <keescook@chromium.org>
[ Upstream commit 1b64daf413acd86c2c13f5443f6b4ef3690c8061 ]
The .data.rel.ro.local section has the same semantics as .data.rel.ro
here, so include it in the .rodata section of the decompressor.
Additionally since the .printk_index section isn't usable outside of
the core kernel, discard it in the decompressor. Avoids these warnings:
arm-linux-gnueabi-ld: warning: orphan section `.data.rel.ro.local' from `arch/arm/boot/compressed/fdt_rw.o' being placed in section `.data.rel.ro.local'
arm-linux-gnueabi-ld: warning: orphan section `.printk_index' from `arch/arm/boot/compressed/fdt_rw.o' being placed in section `.printk_index'
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/linux-mm/202209080545.qMIVj7YM-lkp@intel.com
Cc: Russell King <linux@armlinux.org.uk>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/arm/boot/compressed/vmlinux.lds.S | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm/boot/compressed/vmlinux.lds.S b/arch/arm/boot/compressed/vmlinux.lds.S
index 1bcb68ac4b01..3fcb3e62dc56 100644
--- a/arch/arm/boot/compressed/vmlinux.lds.S
+++ b/arch/arm/boot/compressed/vmlinux.lds.S
@@ -23,6 +23,7 @@ SECTIONS
*(.ARM.extab*)
*(.note.*)
*(.rel.*)
+ *(.printk_index)
/*
* Discard any r/w data - this produces a link error if we have any,
* which is required for PIC decompression. Local data generates
@@ -57,6 +58,7 @@ SECTIONS
*(.rodata)
*(.rodata.*)
*(.data.rel.ro)
+ *(.data.rel.ro.*)
}
.piggydata : {
*(.piggydata)
--
2.35.1
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parent reply other threads:[~2022-10-24 12:52 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <20221024113044.976326639@linuxfoundation.org>]
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