[PATCH 02/12] x86/compat: Make mmap_is_ia32() common compat

From	Brian Gerst <brgerst@gmail.com>
Newsgroups	linux.kernel
Subject	[PATCH 02/12] x86/compat: Make mmap_is_ia32() common compat
Date	2015-06-22 14:00 +0200
Message-ID	<pE8ym-2Mp-13@gated-at.bofh.it> (permalink)
References	<pE8ym-2Mp-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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TIF_ADDR32 is set for both ia32 and x32 tasks, so change from
CONFIG_IA32_EMULATION to CONFIG_COMPAT.  Use config_enabled()
to make the function more readable.

Signed-off-by: Brian Gerst <brgerst@gmail.com>
---
 arch/x86/include/asm/elf.h | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/arch/x86/include/asm/elf.h b/arch/x86/include/asm/elf.h
index f161c18..180b6fe 100644
--- a/arch/x86/include/asm/elf.h
+++ b/arch/x86/include/asm/elf.h
@@ -344,14 +344,9 @@ extern int compat_arch_setup_additional_pages(struct linux_binprm *bprm,
  */
 static inline int mmap_is_ia32(void)
 {
-#ifdef CONFIG_X86_32
-	return 1;
-#endif
-#ifdef CONFIG_IA32_EMULATION
-	if (test_thread_flag(TIF_ADDR32))
-		return 1;
-#endif
-	return 0;
+	return config_enabled(CONFIG_X86_32) ||
+	       (config_enabled(CONFIG_COMPAT) &&
+		test_thread_flag(TIF_ADDR32));
 }
 
 /* Do not change the values. See get_align_mask() */
-- 
2.1.0

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[PATCH 02/12] x86/compat: Make mmap_is_ia32() common compat Brian Gerst <brgerst@gmail.com> - 2015-06-22 14:00 +0200

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