* [PATCH] x86, boot: document intermediates more clearly
@ 2014-10-31 16:22 Kees Cook
2014-10-31 20:16 ` josh
2014-11-01 21:48 ` [tip:x86/boot] x86, boot: Document " tip-bot for Kees Cook
0 siblings, 2 replies; 3+ messages in thread
From: Kees Cook @ 2014-10-31 16:22 UTC (permalink / raw)
To: linux-kernel
Cc: H. Peter Anvin, Thomas Gleixner, Ingo Molnar, x86, Josh Triplett,
Matt Fleming, Ard Biesheuvel, Junjie Mao
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>
---
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 be1e07d4b596..44a866b85c6f 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
--
1.9.1
--
Kees Cook
Chrome OS Security
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] x86, boot: document intermediates more clearly
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:x86/boot] x86, boot: Document " tip-bot for Kees Cook
1 sibling, 0 replies; 3+ messages in thread
From: josh @ 2014-10-31 20:16 UTC (permalink / raw)
To: Kees Cook
Cc: linux-kernel, H. Peter Anvin, Thomas Gleixner, Ingo Molnar, x86,
Matt Fleming, Ard Biesheuvel, Junjie Mao
On Fri, Oct 31, 2014 at 09:22:04AM -0700, Kees Cook wrote:
> 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>
Definitely the documentation I wish I had long ago when trying to figure
out the twisty maze of binaries.
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
> 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 be1e07d4b596..44a866b85c6f 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
> --
> 1.9.1
>
>
> --
> Kees Cook
> Chrome OS Security
^ permalink raw reply [flat|nested] 3+ messages in thread
* [tip:x86/boot] x86, boot: Document intermediates more clearly
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
1 sibling, 0 replies; 3+ messages in thread
From: tip-bot for Kees Cook @ 2014-11-01 21:48 UTC (permalink / raw)
To: linux-tip-commits
Cc: josh, eternal.n08, keescook, hpa, matt.fleming, mingo,
ard.biesheuvel, linux-kernel, tglx
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
^ permalink raw reply related [flat|nested] 3+ messages in thread
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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:x86/boot] x86, boot: Document " tip-bot for Kees Cook
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