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From: Brian Gerst <brgerst@gmail.com>
To: x86@kernel.org
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@kernel.org>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Denys Vlasenko <dvlasenk@redhat.com>,
	Andy Lutomirski <luto@amacapital.net>
Subject: [PATCH 02/12] x86/compat: Make mmap_is_ia32() common compat
Date: Mon, 22 Jun 2015 07:55:11 -0400	[thread overview]
Message-ID: <1434974121-32575-3-git-send-email-brgerst@gmail.com> (raw)
In-Reply-To: <1434974121-32575-1-git-send-email-brgerst@gmail.com>

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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  parent reply	other threads:[~2015-06-22 11:58 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-22 11:55 [PATCH 00/12] x86/compat: Separate X32 from 32-bit compat Brian Gerst
2015-06-22 11:55 ` [PATCH 01/12] x86/compat: Move copy_siginfo_*_user32() to signal_compat.c Brian Gerst
2015-07-06 15:46   ` [tip:x86/asm] " tip-bot for Brian Gerst
2015-06-22 11:55 ` Brian Gerst [this message]
2015-07-06 15:46   ` [tip:x86/asm] x86/compat: Make mmap_is_ia32() common compat tip-bot for Brian Gerst
2015-06-22 11:55 ` [PATCH 03/12] x86/compat: Move ucontext_x32 to sigframe.h Brian Gerst
2015-07-06 15:47   ` [tip:x86/asm] " tip-bot for Brian Gerst
2015-06-22 11:55 ` [PATCH 04/12] x86/compat: Rename start_thread_ia32 to compat_start_thread Brian Gerst
2015-07-06 15:47   ` [tip:x86/asm] x86/compat: Rename 'start_thread_ia32' to ' compat_start_thread' tip-bot for Brian Gerst
2015-06-22 11:55 ` [PATCH 05/12] x86/compat: Move ia32 compat code from compat_arch_ptrace() Brian Gerst
2015-07-06 15:47   ` [tip:x86/asm] x86/compat: Factor out " tip-bot for Brian Gerst
2015-06-22 11:55 ` [PATCH 06/12] x86/compat: Don't build 32-bit vdso if not needed Brian Gerst
2015-07-06 15:48   ` [tip:x86/asm] x86/compat: Don' t build the 32-bit VDSO " tip-bot for Brian Gerst
2015-06-22 11:55 ` [PATCH 07/12] x86/compat: get_gate_vma should check for both 32-bit compat and x32 Brian Gerst
2015-06-22 16:19   ` Andy Lutomirski
2015-06-22 17:05     ` Brian Gerst
2015-06-22 17:12       ` Andy Lutomirski
2015-07-06 15:48   ` [tip:x86/asm] x86/compat: Check for both 32-bit compat and x32 in get_gate_vma() tip-bot for Brian Gerst
2015-06-22 11:55 ` [PATCH 08/12] x86/compat/perf: perf_callchain_user32 is only for 32-bit compat Brian Gerst
2015-07-06 15:48   ` [tip:x86/asm] x86/compat, x86/perf: Don' t build perf_callchain_user32() on x32 tip-bot for Brian Gerst
2015-06-22 11:55 ` [PATCH 09/12] x86/compat: Remove unneeded include Brian Gerst
2015-07-06 15:49   ` [tip:x86/asm] x86/compat: Remove unneeded #include tip-bot for Brian Gerst
2015-06-22 11:55 ` [PATCH 10/12] x86/compat: define ARCH_WANT_OLD_COMPAT_IPC only for 32-bit compat Brian Gerst
2015-07-06 15:49   ` [tip:x86/asm] x86/compat: Define " tip-bot for Brian Gerst
2015-06-22 11:55 ` [PATCH 11/12] x86/compat: clean up HAVE_UID16 config Brian Gerst
2015-07-06 15:49   ` [tip:x86/asm] x86/compat: Clean " tip-bot for Brian Gerst
2015-06-22 11:55 ` [PATCH 12/12] x86/compat: Separate ia32 and x32 compat ABIs Brian Gerst
2015-07-06 15:50   ` [tip:x86/asm] " tip-bot for Brian Gerst

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