Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753409Ab3CFGhn (ORCPT ); Wed, 6 Mar 2013 01:37:43 -0500 Received: from LGEMRELSE7Q.lge.com ([156.147.1.151]:59265 "EHLO LGEMRELSE7Q.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750753Ab3CFGhk (ORCPT ); Wed, 6 Mar 2013 01:37:40 -0500 X-AuditID: 9c930197-b7cc2ae000000eb7-26-5136e432199c Date: Wed, 6 Mar 2013 15:37:38 +0900 From: Kyungsik Lee To: "H. Peter Anvin" Cc: Andrew Morton , Russell King , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-kbuild@vger.kernel.org, x86@kernel.org, celinux-dev@lists.celinuxforum.org, Nicolas Pitre , David Sterba , Nitin Gupta , Joe Millenbach , Thomas Gleixner , Michal Marek , hyojun.im@lge.com, chan.jeong@lge.com, raphael.andy.lee@gmail.com Subject: Re: [PATCH v3 -next 4/5] x86: Add support for LZ4-compressed kernel Message-ID: <20130306063738.GB4979@Corona> References: <1362484056-9778-1-git-send-email-kyungsik.lee@lge.com> <1362484056-9778-5-git-send-email-kyungsik.lee@lge.com> <18eb6ca7-6993-40e9-a58d-116e1f6c37f6@email.android.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <18eb6ca7-6993-40e9-a58d-116e1f6c37f6@email.android.com> User-Agent: Mutt/1.5.20 (2009-06-14) X-Brightmail-Tracker: AAAAAA== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3319 Lines: 93 On Tue, Mar 05, 2013 at 08:13:38AM -0800, H. Peter Anvin wrote: > Please add the new magic to Documentation/x86/boot.txt as well. Ok, I will update it as soon as the patch set is stabilized. Thanks, Kyungsik > >This patch integrates the LZ4 decompression code to the x86 pre-boot > >code. > >And it depends on two patchs below > > > >lib: Add support for LZ4-compressed kernel > >decompressor: Add LZ4 decompressor module > > > >Signed-off-by: Kyungsik Lee > >--- > > arch/x86/Kconfig | 1 + > > arch/x86/boot/compressed/Makefile | 5 ++++- > > arch/x86/boot/compressed/misc.c | 4 ++++ > > 3 files changed, 9 insertions(+), 1 deletion(-) > > > >diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig > >index 225543b..ab916fd 100644 > >--- a/arch/x86/Kconfig > >+++ b/arch/x86/Kconfig > >@@ -63,6 +63,7 @@ config X86 > > select HAVE_KERNEL_LZMA > > select HAVE_KERNEL_XZ > > select HAVE_KERNEL_LZO > >+ select HAVE_KERNEL_LZ4 > > select HAVE_HW_BREAKPOINT > > select HAVE_MIXED_BREAKPOINTS_REGS > > select PERF_EVENTS > >diff --git a/arch/x86/boot/compressed/Makefile > >b/arch/x86/boot/compressed/Makefile > >index 8a84501..c275db5 100644 > >--- a/arch/x86/boot/compressed/Makefile > >+++ b/arch/x86/boot/compressed/Makefile > >@@ -4,7 +4,7 @@ > > # create a compressed vmlinux image from the original vmlinux > > # > > > >-targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz > >vmlinux.bin.bz2 vmlinux.bin.lzma vmlinux.bin.xz vmlinux.bin.lzo > >head_$(BITS).o misc.o string.o cmdline.o early_serial_console.o piggy.o > >+targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz > >vmlinux.bin.bz2 vmlinux.bin.lzma vmlinux.bin.xz vmlinux.bin.lzo > >vmlinux.bin.lz4 head_$(BITS).o misc.o string.o cmdline.o > >early_serial_console.o piggy.o > > > > KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2 > > KBUILD_CFLAGS += -fno-strict-aliasing -fPIC > >@@ -64,12 +64,15 @@ $(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) FORCE > > $(call if_changed,xzkern) > > $(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE > > $(call if_changed,lzo) > >+$(obj)/vmlinux.bin.lz4: $(vmlinux.bin.all-y) FORCE > >+ $(call if_changed,lz4) > > > > suffix-$(CONFIG_KERNEL_GZIP) := gz > > suffix-$(CONFIG_KERNEL_BZIP2) := bz2 > > suffix-$(CONFIG_KERNEL_LZMA) := lzma > > suffix-$(CONFIG_KERNEL_XZ) := xz > > suffix-$(CONFIG_KERNEL_LZO) := lzo > >+suffix-$(CONFIG_KERNEL_LZ4) := lz4 > > > > quiet_cmd_mkpiggy = MKPIGGY $@ > > cmd_mkpiggy = $(obj)/mkpiggy $< > $@ || ( rm -f $@ ; false ) > >diff --git a/arch/x86/boot/compressed/misc.c > >b/arch/x86/boot/compressed/misc.c > >index 88f7ff6..166a0a8 100644 > >--- a/arch/x86/boot/compressed/misc.c > >+++ b/arch/x86/boot/compressed/misc.c > >@@ -145,6 +145,10 @@ static int lines, cols; > > #include "../../../../lib/decompress_unlzo.c" > > #endif > > > >+#ifdef CONFIG_KERNEL_LZ4 > >+#include "../../../../lib/decompress_unlz4.c" > >+#endif > >+ > > static void scroll(void) > > { > > int i; > > -- > Sent from my mobile phone. Please excuse brevity and lack of formatting. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/