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Date: Wed, 29 Jan 2014 00:37:23 +0100
From: Borislav Petkov <bp@alien8.de>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Ingo Molnar <mingo@kernel.org>, "H. Peter Anvin" <hpa@zytor.com>,
        Richard Weinberger <richard@nod.at>,
        "H. Peter Anvin" <hpa@linux.intel.com>,
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        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
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        Michael Davidson <md@google.com>, Thomas Gleixner <tglx@linutronix.de>,
        Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Subject: Re: [GIT PULL] x86/kaslr for v3.14
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On Tue, Jan 28, 2014 at 09:49:06PM +0100, Borislav Petkov wrote:
> On Tue, Jan 28, 2014 at 12:25:15PM -0800, Linus Torvalds wrote:
> > Probably. And then we should make sure that allyesconfig/allmodconfig
> > don't pick it.
> 
> I'd need to think about that a bit longer as scripts/kconfig/conf.c goes
> and sets those. Unless someone has a better idea...

Maybe we can do something simple like this, it works here. We could
even generate a random name for the all.config file so that there are
no conflicts with existing stuff and even test for its presence. Or we
could hide all that in a script and so on and so on...

---
diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index 844bc9da08da..76e889fc6384 100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -77,7 +77,9 @@ update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
 PHONY += allnoconfig allyesconfig allmodconfig alldefconfig randconfig
 
 allnoconfig allyesconfig allmodconfig alldefconfig randconfig: $(obj)/conf
-	$< --$@ $(Kconfig)
+	$(shell echo "# CONFIG_DEBUG_INFO is not set" > /tmp/all.config)
+	$(Q)KCONFIG_ALLCONFIG=/tmp/all.config $< --$@ $(Kconfig)
+	$(Q)rm -rf /tmp/all.config
 
 PHONY += listnewconfig olddefconfig oldnoconfig savedefconfig defconfig
 

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
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