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 [thread overview]
Message-ID: <20220922130452.233323-3-chenzhongjin@huawei.com> (raw)
In-Reply-To: <20220922130452.233323-1-chenzhongjin@huawei.com>
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
next prev parent reply other threads:[~2022-09-22 13:09 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-22 13:04 [PATCH -next 0/3] arm64: Mark constants in .S files " Chen Zhongjin
2022-09-22 13:04 ` [PATCH -next 1/3] arm64: efi-header: Mark efi header " Chen Zhongjin
2022-09-22 13:13 ` Ard Biesheuvel
2022-09-22 14:25 ` Chen Zhongjin
2022-09-22 13:04 ` Chen Zhongjin [this message]
2022-09-22 13:17 ` [PATCH -next 2/3] arm64: head: Mark constants " Ard Biesheuvel
2022-09-22 13:04 ` [PATCH -next 3/3] arm64: crypto: Mark constant " Chen Zhongjin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20220922130452.233323-3-chenzhongjin@huawei.com \
--to=chenzhongjin@huawei.com \
--cc=anshuman.khandual@arm.com \
--cc=ardb@kernel.org \
--cc=broonie@kernel.org \
--cc=catalin.marinas@arm.com \
--cc=davem@davemloft.net \
--cc=herbert@gondor.apana.org.au \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-crypto@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mark.rutland@arm.com \
--cc=maz@kernel.org \
--cc=will@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®