This is a note to let you know that I've just added the patch titled
signal: Define __ARCH_HAS_SA_RESTORER so we know whether to clear sa_restorer
to the 3.8-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
signal-define-__arch_has_sa_restorer-so-we-know-whether-to-clear-3.8.patch
and it can be found in the queue-3.8 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
From: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
Date: Sun, 25 Nov 2012 22:24:19 -0500
Subject: signal: Define __ARCH_HAS_SA_RESTORER so we know whether to clear sa_restorer
From: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
Vaguely based on upstream commit 574c4866e33d 'consolidate kernel-side
struct sigaction declarations'.
flush_signal_handlers() needs to know whether sigaction::sa_restorer
is defined, not whether SA_RESTORER is defined. Define the
__ARCH_HAS_SA_RESTORER macro to indicate this.
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/arm/include/asm/signal.h | 1 +
arch/avr32/include/asm/signal.h | 1 +
arch/cris/include/asm/signal.h | 1 +
arch/h8300/include/asm/signal.h | 1 +
arch/m32r/include/asm/signal.h | 1 +
arch/m68k/include/asm/signal.h | 1 +
arch/mn10300/include/asm/signal.h | 1 +
arch/powerpc/include/asm/signal.h | 1 +
arch/s390/include/asm/signal.h | 1 +
arch/sparc/include/asm/signal.h | 2 ++
arch/x86/include/asm/signal.h | 3 +++
arch/xtensa/include/asm/signal.h | 1 +
include/uapi/asm-generic/signal.h | 4 ++++
13 files changed, 19 insertions(+)
--- a/arch/arm/include/asm/signal.h
+++ b/arch/arm/include/asm/signal.h
@@ -29,6 +29,7 @@ struct sigaction {
__sigrestore_t sa_restorer;
sigset_t sa_mask; /* mask last for extensibility */
};
+#define __ARCH_HAS_SA_RESTORER
struct k_sigaction {
struct sigaction sa;
--- a/arch/avr32/include/asm/signal.h
+++ b/arch/avr32/include/asm/signal.h
@@ -29,6 +29,7 @@ struct sigaction {
__sigrestore_t sa_restorer;
sigset_t sa_mask; /* mask last for extensibility */
};
+#define __ARCH_HAS_SA_RESTORER
struct k_sigaction {
struct sigaction sa;
--- a/arch/cris/include/asm/signal.h
+++ b/arch/cris/include/asm/signal.h
@@ -29,6 +29,7 @@ struct sigaction {
void (*sa_restorer)(void);
sigset_t sa_mask; /* mask last for extensibility */
};
+#define __ARCH_HAS_SA_RESTORER
struct k_sigaction {
struct sigaction sa;
--- a/arch/h8300/include/asm/signal.h
+++ b/arch/h8300/include/asm/signal.h
@@ -29,6 +29,7 @@ struct sigaction {
void (*sa_restorer)(void);
sigset_t sa_mask; /* mask last for extensibility */
};
+#define __ARCH_HAS_SA_RESTORER
struct k_sigaction {
struct sigaction sa;
--- a/arch/m32r/include/asm/signal.h
+++ b/arch/m32r/include/asm/signal.h
@@ -22,6 +22,7 @@ struct sigaction {
__sigrestore_t sa_restorer;
sigset_t sa_mask; /* mask last for extensibility */
};
+#define __ARCH_HAS_SA_RESTORER
struct k_sigaction {
struct sigaction sa;
--- a/arch/m68k/include/asm/signal.h
+++ b/arch/m68k/include/asm/signal.h
@@ -29,6 +29,7 @@ struct sigaction {
__sigrestore_t sa_restorer;
sigset_t sa_mask; /* mask last for extensibility */
};
+#define __ARCH_HAS_SA_RESTORER
struct k_sigaction {
struct sigaction sa;
--- a/arch/mn10300/include/asm/signal.h
+++ b/arch/mn10300/include/asm/signal.h
@@ -39,6 +39,7 @@ struct sigaction {
__sigrestore_t sa_restorer;
sigset_t sa_mask; /* mask last for extensibility */
};
+#define __ARCH_HAS_SA_RESTORER
struct k_sigaction {
struct sigaction sa;
--- a/arch/powerpc/include/asm/signal.h
+++ b/arch/powerpc/include/asm/signal.h
@@ -1,6 +1,7 @@
#ifndef _ASM_POWERPC_SIGNAL_H
#define _ASM_POWERPC_SIGNAL_H
+#define __ARCH_HAS_SA_RESTORER
#include <uapi/asm/signal.h>
#endif /* _ASM_POWERPC_SIGNAL_H */
--- a/arch/s390/include/asm/signal.h
+++ b/arch/s390/include/asm/signal.h
@@ -34,6 +34,7 @@ struct sigaction {
void (*sa_restorer)(void);
sigset_t sa_mask; /* mask last for extensibility */
};
+#define __ARCH_HAS_SA_RESTORER
struct k_sigaction {
struct sigaction sa;
--- a/arch/sparc/include/asm/signal.h
+++ b/arch/sparc/include/asm/signal.h
@@ -26,5 +26,7 @@ struct k_sigaction {
void __user *ka_restorer;
};
+#define __ARCH_HAS_SA_RESTORER
+
#endif /* !(__ASSEMBLY__) */
#endif /* !(__SPARC_SIGNAL_H) */
--- a/arch/x86/include/asm/signal.h
+++ b/arch/x86/include/asm/signal.h
@@ -31,6 +31,9 @@ typedef sigset_t compat_sigset_t;
#include <uapi/asm/signal.h>
#ifndef __ASSEMBLY__
extern void do_notify_resume(struct pt_regs *, void *, __u32);
+
+#define __ARCH_HAS_SA_RESTORER
+
#ifdef __i386__
struct old_sigaction {
__sighandler_t sa_handler;
--- a/arch/xtensa/include/asm/signal.h
+++ b/arch/xtensa/include/asm/signal.h
@@ -21,6 +21,7 @@ struct sigaction {
void (*sa_restorer)(void);
sigset_t sa_mask; /* mask last for extensibility */
};
+#define __ARCH_HAS_SA_RESTORER
struct k_sigaction {
struct sigaction sa;
--- a/include/uapi/asm-generic/signal.h
+++ b/include/uapi/asm-generic/signal.h
@@ -93,6 +93,10 @@ typedef unsigned long old_sigset_t;
#include <asm-generic/signal-defs.h>
+#ifdef SA_RESTORER
+#define __ARCH_HAS_SA_RESTORER
+#endif
+
struct sigaction {
__sighandler_t sa_handler;
unsigned long sa_flags;
Patches currently in stable-queue which might be from ben@xxxxxxxxxxxxxxx are
queue-3.8/kernel-signal.c-use-__arch_has_sa_restorer-instead-of-sa_restorer.patch
queue-3.8/signal-define-__arch_has_sa_restorer-so-we-know-whether-to-clear-3.8.patch
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