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Date: Sat, 5 Sep 2015 09:32:41 +0200
From: Ingo Molnar <mingo@...nel.org>
To: linux-kernel@...r.kernel.org
Cc: Mikko Rapeli <mikko.rapeli@....fi>,
Andy Lutomirski <luto@...capital.net>,
Andrew Morton <akpm@...ux-foundation.org>,
Denys Vlasenko <dvlasenk@...hat.com>,
Brian Gerst <brgerst@...il.com>,
Peter Zijlstra <peterz@...radead.org>,
Borislav Petkov <bp@...en8.de>,
"H. Peter Anvin" <hpa@...or.com>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Oleg Nesterov <oleg@...hat.com>,
Thomas Gleixner <tglx@...utronix.de>
Subject: [PATCH 13/15] x86/headers: Convert sigcontext_ia32 uses to sigcontext_32
Use the new name in kernel code, and move the old name to the
user-space-only legacy section of the UAPI header.
Cc: Andy Lutomirski <luto@...capital.net>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Brian Gerst <brgerst@...il.com>
Cc: Denys Vlasenko <dvlasenk@...hat.com>
Cc: H. Peter Anvin <hpa@...or.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Mikko Rapeli <mikko.rapeli@....fi>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
arch/x86/ia32/ia32_signal.c | 4 ++--
arch/x86/include/asm/ia32.h | 2 +-
arch/x86/include/asm/sigframe.h | 2 +-
arch/x86/include/uapi/asm/sigcontext.h | 12 +++++++++---
arch/x86/kernel/asm-offsets.c | 18 +++++++++---------
5 files changed, 22 insertions(+), 16 deletions(-)
diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c
index 805d76b21d95..26d33633e2b1 100644
--- a/arch/x86/ia32/ia32_signal.c
+++ b/arch/x86/ia32/ia32_signal.c
@@ -161,7 +161,7 @@ int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from)
}
static int ia32_restore_sigcontext(struct pt_regs *regs,
- struct sigcontext_ia32 __user *sc)
+ struct sigcontext_32 __user *sc)
{
unsigned int tmpflags, err = 0;
void __user *buf;
@@ -263,7 +263,7 @@ asmlinkage long sys32_rt_sigreturn(void)
* Set up a signal frame.
*/
-static int ia32_setup_sigcontext(struct sigcontext_ia32 __user *sc,
+static int ia32_setup_sigcontext(struct sigcontext_32 __user *sc,
void __user *fpstate,
struct pt_regs *regs, unsigned int mask)
{
diff --git a/arch/x86/include/asm/ia32.h b/arch/x86/include/asm/ia32.h
index d0e8e0141041..ace08ed8fee3 100644
--- a/arch/x86/include/asm/ia32.h
+++ b/arch/x86/include/asm/ia32.h
@@ -18,7 +18,7 @@ struct ucontext_ia32 {
unsigned int uc_flags;
unsigned int uc_link;
compat_stack_t uc_stack;
- struct sigcontext_ia32 uc_mcontext;
+ struct sigcontext_32 uc_mcontext;
compat_sigset_t uc_sigmask; /* mask last for extensibility */
};
diff --git a/arch/x86/include/asm/sigframe.h b/arch/x86/include/asm/sigframe.h
index cfb22e3105f1..cb8f917248cb 100644
--- a/arch/x86/include/asm/sigframe.h
+++ b/arch/x86/include/asm/sigframe.h
@@ -21,7 +21,7 @@
struct sigframe_ia32 {
u32 pretcode;
int sig;
- struct sigcontext_ia32 sc;
+ struct sigcontext_32 sc;
/*
* fpstate is unused. fpstate is moved/allocated after
* retcode[] below. This movement allows to have the FP state and the
diff --git a/arch/x86/include/uapi/asm/sigcontext.h b/arch/x86/include/uapi/asm/sigcontext.h
index 592bfafd5cb2..4411e6a8f8e7 100644
--- a/arch/x86/include/uapi/asm/sigcontext.h
+++ b/arch/x86/include/uapi/asm/sigcontext.h
@@ -190,6 +190,9 @@ struct _xstate {
/* New processor state extensions go here: */
};
+/*
+ * The 32-bit signal frame:
+ */
struct sigcontext_32 {
__u16 gs, __gsh;
__u16 fs, __fsh;
@@ -223,8 +226,9 @@ struct sigcontext_32 {
__u32 cr2;
};
-#define sigcontext_ia32 sigcontext_32
-
+/*
+ * The 64-bit signal frame:
+ */
struct sigcontext_64 {
__u64 r8;
__u64 r9;
@@ -282,7 +286,9 @@ struct sigcontext_64 {
*/
#ifndef __KERNEL__
-#define _fpstate_ia32 _fpstate_32
+#define _fpstate_ia32 _fpstate_32
+#define sigcontext_ia32 sigcontext_32
+
# ifdef __i386__
struct sigcontext {
diff --git a/arch/x86/kernel/asm-offsets.c b/arch/x86/kernel/asm-offsets.c
index 8e3d22a1af94..bc9f4afa889a 100644
--- a/arch/x86/kernel/asm-offsets.c
+++ b/arch/x86/kernel/asm-offsets.c
@@ -43,15 +43,15 @@ void common(void) {
#if defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION)
BLANK();
- OFFSET(IA32_SIGCONTEXT_ax, sigcontext_ia32, ax);
- OFFSET(IA32_SIGCONTEXT_bx, sigcontext_ia32, bx);
- OFFSET(IA32_SIGCONTEXT_cx, sigcontext_ia32, cx);
- OFFSET(IA32_SIGCONTEXT_dx, sigcontext_ia32, dx);
- OFFSET(IA32_SIGCONTEXT_si, sigcontext_ia32, si);
- OFFSET(IA32_SIGCONTEXT_di, sigcontext_ia32, di);
- OFFSET(IA32_SIGCONTEXT_bp, sigcontext_ia32, bp);
- OFFSET(IA32_SIGCONTEXT_sp, sigcontext_ia32, sp);
- OFFSET(IA32_SIGCONTEXT_ip, sigcontext_ia32, ip);
+ OFFSET(IA32_SIGCONTEXT_ax, sigcontext_32, ax);
+ OFFSET(IA32_SIGCONTEXT_bx, sigcontext_32, bx);
+ OFFSET(IA32_SIGCONTEXT_cx, sigcontext_32, cx);
+ OFFSET(IA32_SIGCONTEXT_dx, sigcontext_32, dx);
+ OFFSET(IA32_SIGCONTEXT_si, sigcontext_32, si);
+ OFFSET(IA32_SIGCONTEXT_di, sigcontext_32, di);
+ OFFSET(IA32_SIGCONTEXT_bp, sigcontext_32, bp);
+ OFFSET(IA32_SIGCONTEXT_sp, sigcontext_32, sp);
+ OFFSET(IA32_SIGCONTEXT_ip, sigcontext_32, ip);
BLANK();
OFFSET(TI_sysenter_return, thread_info, sysenter_return);
--
2.1.4
--
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