From patchwork Tue Mar 26 15:20:48 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Henriques X-Patchwork-Id: 231397 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from huckleberry.canonical.com (huckleberry.canonical.com [91.189.94.19]) by ozlabs.org (Postfix) with ESMTP id 145ED2C00A4 for ; Wed, 27 Mar 2013 02:24:58 +1100 (EST) Received: from localhost ([127.0.0.1] helo=huckleberry.canonical.com) by huckleberry.canonical.com with esmtp (Exim 4.76) (envelope-from ) id 1UKVk2-0003Ei-7t; Tue, 26 Mar 2013 15:24:50 +0000 Received: from youngberry.canonical.com ([91.189.89.112]) by huckleberry.canonical.com with esmtp (Exim 4.76) (envelope-from ) id 1UKVjT-0002H4-If for kernel-team@lists.ubuntu.com; Tue, 26 Mar 2013 15:24:15 +0000 Received: from bl20-143-66.dsl.telepac.pt ([2.81.143.66] helo=localhost) by youngberry.canonical.com with esmtpsa (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1UKVjS-0004st-T3; Tue, 26 Mar 2013 15:24:15 +0000 From: Luis Henriques To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Subject: [PATCH 149/150] signal: Define __ARCH_HAS_SA_RESTORER so we know whether to clear sa_restorer Date: Tue, 26 Mar 2013 15:20:48 +0000 Message-Id: <1364311249-14454-150-git-send-email-luis.henriques@canonical.com> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1364311249-14454-1-git-send-email-luis.henriques@canonical.com> References: <1364311249-14454-1-git-send-email-luis.henriques@canonical.com> X-Extended-Stable: 3.5 Cc: Al Viro X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.14 Precedence: list List-Id: Kernel team discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: kernel-team-bounces@lists.ubuntu.com 3.5.7.9 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Ben Hutchings 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. Vaguely based on upstream commit 574c4866e33d 'consolidate kernel-side struct sigaction declarations'. Signed-off-by: Ben Hutchings Cc: Al Viro Signed-off-by: Luis Henriques --- 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 | 1 + arch/x86/include/asm/signal.h | 2 ++ arch/xtensa/include/asm/signal.h | 1 + include/asm-generic/signal.h | 4 ++++ 13 files changed, 17 insertions(+) diff --git a/arch/arm/include/asm/signal.h b/arch/arm/include/asm/signal.h index 43ba0fb..559ee24 100644 --- a/arch/arm/include/asm/signal.h +++ b/arch/arm/include/asm/signal.h @@ -127,6 +127,7 @@ 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; diff --git a/arch/avr32/include/asm/signal.h b/arch/avr32/include/asm/signal.h index ae56849..116a2b4 100644 --- a/arch/avr32/include/asm/signal.h +++ b/arch/avr32/include/asm/signal.h @@ -121,6 +121,7 @@ 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; diff --git a/arch/cris/include/asm/signal.h b/arch/cris/include/asm/signal.h index ea6af9a..057fea2 100644 --- a/arch/cris/include/asm/signal.h +++ b/arch/cris/include/asm/signal.h @@ -122,6 +122,7 @@ 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; diff --git a/arch/h8300/include/asm/signal.h b/arch/h8300/include/asm/signal.h index fd8b66e..8695707 100644 --- a/arch/h8300/include/asm/signal.h +++ b/arch/h8300/include/asm/signal.h @@ -121,6 +121,7 @@ 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; diff --git a/arch/m32r/include/asm/signal.h b/arch/m32r/include/asm/signal.h index ea5f95e..4d420ad 100644 --- a/arch/m32r/include/asm/signal.h +++ b/arch/m32r/include/asm/signal.h @@ -116,6 +116,7 @@ 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; diff --git a/arch/m68k/include/asm/signal.h b/arch/m68k/include/asm/signal.h index 93fe83e..a20ae63 100644 --- a/arch/m68k/include/asm/signal.h +++ b/arch/m68k/include/asm/signal.h @@ -119,6 +119,7 @@ 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; diff --git a/arch/mn10300/include/asm/signal.h b/arch/mn10300/include/asm/signal.h index 1865d72..eecaa76 100644 --- a/arch/mn10300/include/asm/signal.h +++ b/arch/mn10300/include/asm/signal.h @@ -131,6 +131,7 @@ 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; diff --git a/arch/powerpc/include/asm/signal.h b/arch/powerpc/include/asm/signal.h index 3eb13be..ec63a0a 100644 --- a/arch/powerpc/include/asm/signal.h +++ b/arch/powerpc/include/asm/signal.h @@ -109,6 +109,7 @@ 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; diff --git a/arch/s390/include/asm/signal.h b/arch/s390/include/asm/signal.h index cdf5cb2..c872626 100644 --- a/arch/s390/include/asm/signal.h +++ b/arch/s390/include/asm/signal.h @@ -131,6 +131,7 @@ 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; diff --git a/arch/sparc/include/asm/signal.h b/arch/sparc/include/asm/signal.h index aa42fe3..d07beb3 100644 --- a/arch/sparc/include/asm/signal.h +++ b/arch/sparc/include/asm/signal.h @@ -192,6 +192,7 @@ struct __old_sigaction { unsigned long sa_flags; void (*sa_restorer)(void); /* not used by Linux/SPARC yet */ }; +#define __ARCH_HAS_SA_RESTORER typedef struct sigaltstack { void __user *ss_sp; diff --git a/arch/x86/include/asm/signal.h b/arch/x86/include/asm/signal.h index 598457c..6cbc795 100644 --- a/arch/x86/include/asm/signal.h +++ b/arch/x86/include/asm/signal.h @@ -125,6 +125,8 @@ typedef unsigned long sigset_t; extern void do_notify_resume(struct pt_regs *, void *, __u32); # endif /* __KERNEL__ */ +#define __ARCH_HAS_SA_RESTORER + #ifdef __i386__ # ifdef __KERNEL__ struct old_sigaction { diff --git a/arch/xtensa/include/asm/signal.h b/arch/xtensa/include/asm/signal.h index 7f201b9..696d28a 100644 --- a/arch/xtensa/include/asm/signal.h +++ b/arch/xtensa/include/asm/signal.h @@ -126,6 +126,7 @@ 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; diff --git a/include/asm-generic/signal.h b/include/asm-generic/signal.h index 555c0ae..743f7a5 100644 --- a/include/asm-generic/signal.h +++ b/include/asm-generic/signal.h @@ -99,6 +99,10 @@ typedef unsigned long old_sigset_t; #include +#ifdef SA_RESTORER +#define __ARCH_HAS_SA_RESTORER +#endif + struct sigaction { __sighandler_t sa_handler; unsigned long sa_flags;