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From: tip-bot for Kees Cook <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: josh@joshtriplett.org, eternal.n08@gmail.com,
	keescook@chromium.org, hpa@zytor.com, matt.fleming@intel.com,
	mingo@kernel.org, ard.biesheuvel@linaro.org,
	linux-kernel@vger.kernel.org, tglx@linutronix.de
Subject: [tip:x86/boot] x86, boot: Document intermediates more clearly
Date: Sat, 1 Nov 2014 14:48:32 -0700	[thread overview]
Message-ID: <tip-fb7183ef3c016d9067ff83f3ff2455be1818f902@git.kernel.org> (raw)
In-Reply-To: <20141031162204.GA26268@www.outflux.net>

Commit-ID:  fb7183ef3c016d9067ff83f3ff2455be1818f902
Gitweb:     http://git.kernel.org/tip/fb7183ef3c016d9067ff83f3ff2455be1818f902
Author:     Kees Cook <keescook@chromium.org>
AuthorDate: Fri, 31 Oct 2014 09:22:04 -0700
Committer:  Thomas Gleixner <tglx@linutronix.de>
CommitDate: Sat, 1 Nov 2014 22:46:02 +0100

x86, boot: Document intermediates more clearly

This adds a comment detailing the various intermediate files used to build
the bootable decompression image for the x86 kernel.

Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Cc: Matt Fleming <matt.fleming@intel.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Junjie Mao <eternal.n08@gmail.com>
Link: http://lkml.kernel.org/r/20141031162204.GA26268@www.outflux.net
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/x86/boot/compressed/Makefile | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile
index 704f58a..8a39181 100644
--- a/arch/x86/boot/compressed/Makefile
+++ b/arch/x86/boot/compressed/Makefile
@@ -3,6 +3,18 @@
 #
 # create a compressed vmlinux image from the original vmlinux
 #
+# vmlinuz is:
+#	decompression code (*.o)
+#	asm globals (piggy.S), including:
+#		vmlinux.bin.(gz|bz2|lzma|...)
+#
+# vmlinux.bin is:
+#	vmlinux stripped of debugging and comments
+# vmlinux.bin.all is:
+#	vmlinux.bin + vmlinux.relocs
+# vmlinux.bin.(gz|bz2|lzma|...) is:
+#	(see scripts/Makefile.lib size_append)
+#	compressed vmlinux.bin.all + u32 size of vmlinux.bin.all
 
 targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma \
 	vmlinux.bin.xz vmlinux.bin.lzo vmlinux.bin.lz4

      parent reply	other threads:[~2014-11-01 21:48 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-31 16:22 [PATCH] x86, boot: document intermediates more clearly Kees Cook
2014-10-31 20:16 ` josh
2014-11-01 21:48 ` tip-bot for Kees Cook [this message]

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