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Date: Fri, 6 May 2016 12:36:19 +0200
From: Ingo Molnar <mingo@kernel.org>
To: Borislav Petkov <bp@alien8.de>
Cc: Kees Cook <keescook@chromium.org>, torvalds@linux-foundation.org,
        hpa@zytor.com, dyoung@redhat.com, tglx@linutronix.de, luto@kernel.org,
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        akpm@linux-foundation.org, bhe@redhat.com, yinghai@kernel.org,
        vgoyal@redhat.com, linux-tip-commits@vger.kernel.org
Subject: Re: [tip:x86/boot] x86/boot: Clean up pointer casting
Message-ID: <20160506103619.GA8998@gmail.com>
References: <1462486436-3707-2-git-send-email-keescook@chromium.org>
 <tip-2bc1cd39fa9f659956b25e500422e700a6cd4ec3@git.kernel.org>
 <20160506085300.GE24044@pd.tnic>
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Hm, your patch throws a lot of warnings during allnoconfig builds:

In file included from arch/x86/boot/compressed/error.c:6:0:
arch/x86/boot/compressed/misc.h: In function ‘choose_random_location’:
arch/x86/boot/compressed/misc.h:83:9: warning: return makes pointer from integer 
without a cast [-Wint-conversion]
  return output_ptr;
         ^
In file included from arch/x86/boot/compressed/early_serial_console.c:1:0:
arch/x86/boot/compressed/misc.h: In function ‘choose_random_location’:
arch/x86/boot/compressed/misc.h:83:9: warning: return makes pointer from integer 
without a cast [-Wint-conversion]
  return output_ptr;
         ^
  CC      arch/x86/boot/compressed/misc.o
In file included from arch/x86/boot/compressed/cmdline.c:1:0:
arch/x86/boot/compressed/misc.h: In function ‘choose_random_location’:
arch/x86/boot/compressed/misc.h:83:9: warning: return makes pointer from integer 
without a cast [-Wint-conversion]
  return output_ptr;
         ^
In file included from arch/x86/boot/compressed/misc.c:14:0:
arch/x86/boot/compressed/misc.h: In function ‘choose_random_location’:
arch/x86/boot/compressed/misc.h:83:9: warning: return makes pointer from integer 
without a cast [-Wint-conversion]
  return output_ptr;

Thanks,

	Ingo