linux-kernel - [tip:x86/mm] x86: Fix warning about cast from pointer to integer of different size

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Message-ID: <tip-bbee3aec3472fc2ca10b6b1020aec84567ea25ce@git.kernel.org>
Date:	Mon, 19 Nov 2012 12:01:39 -0800
From:	tip-bot for Alexander Duyck <alexander.h.duyck@...el.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	alexander.h.duyck@...el.com, tglx@...utronix.de,
	hpa@...ux.intel.com
Subject: [tip:x86/mm] x86:
  Fix warning about cast from pointer to integer of different size

Commit-ID:  bbee3aec3472fc2ca10b6b1020aec84567ea25ce
Gitweb:     http://git.kernel.org/tip/bbee3aec3472fc2ca10b6b1020aec84567ea25ce
Author:     Alexander Duyck <alexander.h.duyck@...el.com>
AuthorDate: Mon, 19 Nov 2012 10:31:37 -0800
Committer:  H. Peter Anvin <hpa@...ux.intel.com>
CommitDate: Mon, 19 Nov 2012 10:45:19 -0800

x86: Fix warning about cast from pointer to integer of different size

This patch fixes a warning reported by the kbuild test robot where we were
casting a pointer to a physical address which represents an integer of a
different size.  Per the suggestion of Peter Anvin I am replacing it and one
other spot where I made a similar cast with an unsigned long.

Signed-off-by: Alexander Duyck <alexander.h.duyck@...el.com>
Link: http://lkml.kernel.org/r/20121119182927.3655.7641.stgit@ahduyck-cp1.jf.intel.com
Signed-off-by: H. Peter Anvin <hpa@...ux.intel.com>
---
 arch/x86/kernel/head32.c | 2 +-
 arch/x86/kernel/head64.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/head32.c b/arch/x86/kernel/head32.c
index f15db0c..e175548 100644
--- a/arch/x86/kernel/head32.c
+++ b/arch/x86/kernel/head32.c
@@ -31,7 +31,7 @@ static void __init i386_default_early_setup(void)
 void __init i386_start_kernel(void)
 {
 	memblock_reserve(__pa_symbol(_text),
-			 (phys_addr_t)__bss_stop - (phys_addr_t)_text);
+			 (unsigned long)__bss_stop - (unsigned long)_text);
 
 #ifdef CONFIG_BLK_DEV_INITRD
 	/* Reserve INITRD */
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index 42f5df1..7b215a5 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -98,7 +98,7 @@ void __init x86_64_start_reservations(char *real_mode_data)
 	copy_bootdata(__va(real_mode_data));
 
 	memblock_reserve(__pa_symbol(_text),
-			 (phys_addr_t)__bss_stop - (phys_addr_t)_text);
+			 (unsigned long)__bss_stop - (unsigned long)_text);
 
 #ifdef CONFIG_BLK_DEV_INITRD
 	/* Reserve INITRD */
--
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