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From:   Chen Zhongjin <chenzhongjin@huawei.com>
To:     <linux-kernel@vger.kernel.org>, <linux-crypto@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>
CC:     <herbert@gondor.apana.org.au>, <davem@davemloft.net>,
        <catalin.marinas@arm.com>, <will@kernel.org>, <broonie@kernel.org>,
        <ardb@kernel.org>, <maz@kernel.org>, <mark.rutland@arm.com>,
        <anshuman.khandual@arm.com>, <chenzhongjin@huawei.com>
Subject: [PATCH -next 2/3] arm64: head: Mark constants as data
Date:   Thu, 22 Sep 2022 21:04:51 +0800
Message-ID: <20220922130452.233323-3-chenzhongjin@huawei.com>
In-Reply-To: <20220922130452.233323-1-chenzhongjin@huawei.com>
References: <20220922130452.233323-1-chenzhongjin@huawei.com>
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Add data annotations to constants part of the image header.

Signed-off-by: Julien Thierry <jthierry@redhat.com>
Signed-off-by: Chen Zhongjin <chenzhongjin@huawei.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
---
 arch/arm64/kernel/head.S | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
index 814b6587ccb7..f298e88e2d23 100644
--- a/arch/arm64/kernel/head.S
+++ b/arch/arm64/kernel/head.S
@@ -57,9 +57,10 @@
 	/*
 	 * DO NOT MODIFY. Image header expected by Linux boot-loaders.
 	 */
-	efi_signature_nop			// special NOP to identity as PE/COFF executable
+SYM_DATA_LOCAL(efi_nop, efi_signature_nop)	// special NOP to identity as PE/COFF executable
 	b	primary_entry			// branch to kernel start, magic
-	.quad	0				// Image load offset from start of RAM, little-endian
+SYM_DATA_LOCAL(_zero_reserved, .quad	0)	// Image load offset from start of RAM, little-endian
+SYM_DATA_START_LOCAL(_arm64_common_header)
 	le64sym	_kernel_size_le			// Effective size of kernel image, little-endian
 	le64sym	_kernel_flags_le		// Informative flags, little-endian
 	.quad	0				// reserved
@@ -67,6 +68,7 @@
 	.quad	0				// reserved
 	.ascii	ARM64_IMAGE_MAGIC		// Magic number
 	.long	.Lpe_header_offset		// Offset to the PE header.
+SYM_DATA_END(_arm64_common_header)
 
 	__EFI_PE_HEADER
 
-- 
2.17.1