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authorDavid Brown <davidb@codeaurora.org>2011-03-17 01:13:16 -0400
committerDavid Brown <davidb@codeaurora.org>2011-03-17 01:13:16 -0400
commit92c260f755c42337c550d8ac1f8ccd1b32bffb20 (patch)
tree6d04fefc1adeecabfb2b00c201e0db78fa2b5529 /arch/arm/kernel/signal.c
parent8e76a80960bf06c245160a484d5a363ca6b520bb (diff)
parent05e34754518b6a90d5c392790c032575fab12d66 (diff)
Merge remote branch 'rmk/for-linus' into for-linus
* rmk/for-linus: (1557 commits) ARM: 6806/1: irq: introduce entry and exit functions for chained handlers ARM: 6781/1: Thumb-2: Work around buggy Thumb-2 short branch relocations in gas ARM: 6747/1: P2V: Thumb2 support ARM: 6798/1: aout-core: zero thread debug registers in a.out core dump ARM: 6796/1: Footbridge: Fix I/O mappings for NOMMU mode ARM: 6784/1: errata: no automatic Store Buffer drain on Cortex-A9 ARM: 6772/1: errata: possible fault MMU translations following an ASID switch ARM: 6776/1: mach-ux500: activate fix for errata 753970 ARM: 6794/1: SPEAr: Append UL to device address macros. ARM: 6793/1: SPEAr: Remove unused *_SIZE macros from spear*.h files ARM: 6792/1: SPEAr: Replace SIZE macro's with SZ_4K macros ARM: 6791/1: SPEAr3xx: Declare device structures after shirq code ARM: 6790/1: SPEAr: Clock Framework: Rename usbd clock and align apb_clk entry ARM: 6789/1: SPEAr3xx: Rename sdio to sdhci ARM: 6788/1: SPEAr: Include mach/hardware.h instead of mach/spear.h ARM: 6787/1: SPEAr: Reorder #includes in .h & .c files. ARM: 6681/1: SPEAr: add debugfs support to clk API ARM: 6703/1: SPEAr: update clk API support ARM: 6679/1: SPEAr: make clk API functions more generic ARM: 6737/1: SPEAr: formalized timer support ... Conflicts: arch/arm/mach-msm/board-msm7x27.c arch/arm/mach-msm/board-msm7x30.c arch/arm/mach-msm/board-qsd8x50.c arch/arm/mach-msm/board-sapphire.c arch/arm/mach-msm/include/mach/memory.h
Diffstat (limited to 'arch/arm/kernel/signal.c')
-rw-r--r--arch/arm/kernel/signal.c13
1 files changed, 3 insertions, 10 deletions
diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c
index 907d5a620bca..cb8398317644 100644
--- a/arch/arm/kernel/signal.c
+++ b/arch/arm/kernel/signal.c
@@ -20,7 +20,6 @@
20#include <asm/unistd.h> 20#include <asm/unistd.h>
21#include <asm/vfp.h> 21#include <asm/vfp.h>
22 22
23#include "ptrace.h"
24#include "signal.h" 23#include "signal.h"
25 24
26#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) 25#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
@@ -348,8 +347,6 @@ asmlinkage int sys_sigreturn(struct pt_regs *regs)
348 if (restore_sigframe(regs, frame)) 347 if (restore_sigframe(regs, frame))
349 goto badframe; 348 goto badframe;
350 349
351 single_step_trap(current);
352
353 return regs->ARM_r0; 350 return regs->ARM_r0;
354 351
355badframe: 352badframe:
@@ -383,8 +380,6 @@ asmlinkage int sys_rt_sigreturn(struct pt_regs *regs)
383 if (do_sigaltstack(&frame->sig.uc.uc_stack, NULL, regs->ARM_sp) == -EFAULT) 380 if (do_sigaltstack(&frame->sig.uc.uc_stack, NULL, regs->ARM_sp) == -EFAULT)
384 goto badframe; 381 goto badframe;
385 382
386 single_step_trap(current);
387
388 return regs->ARM_r0; 383 return regs->ARM_r0;
389 384
390badframe: 385badframe:
@@ -474,7 +469,9 @@ setup_return(struct pt_regs *regs, struct k_sigaction *ka,
474 unsigned long handler = (unsigned long)ka->sa.sa_handler; 469 unsigned long handler = (unsigned long)ka->sa.sa_handler;
475 unsigned long retcode; 470 unsigned long retcode;
476 int thumb = 0; 471 int thumb = 0;
477 unsigned long cpsr = regs->ARM_cpsr & ~PSR_f; 472 unsigned long cpsr = regs->ARM_cpsr & ~(PSR_f | PSR_E_BIT);
473
474 cpsr |= PSR_ENDSTATE;
478 475
479 /* 476 /*
480 * Maybe we need to deliver a 32-bit signal to a 26-bit task. 477 * Maybe we need to deliver a 32-bit signal to a 26-bit task.
@@ -704,8 +701,6 @@ static void do_signal(struct pt_regs *regs, int syscall)
704 if (try_to_freeze()) 701 if (try_to_freeze())
705 goto no_signal; 702 goto no_signal;
706 703
707 single_step_clear(current);
708
709 signr = get_signal_to_deliver(&info, &ka, regs, NULL); 704 signr = get_signal_to_deliver(&info, &ka, regs, NULL);
710 if (signr > 0) { 705 if (signr > 0) {
711 sigset_t *oldset; 706 sigset_t *oldset;
@@ -724,7 +719,6 @@ static void do_signal(struct pt_regs *regs, int syscall)
724 if (test_thread_flag(TIF_RESTORE_SIGMASK)) 719 if (test_thread_flag(TIF_RESTORE_SIGMASK))
725 clear_thread_flag(TIF_RESTORE_SIGMASK); 720 clear_thread_flag(TIF_RESTORE_SIGMASK);
726 } 721 }
727 single_step_set(current);
728 return; 722 return;
729 } 723 }
730 724
@@ -770,7 +764,6 @@ static void do_signal(struct pt_regs *regs, int syscall)
770 sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL); 764 sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
771 } 765 }
772 } 766 }
773 single_step_set(current);
774} 767}
775 768
776asmlinkage void 769asmlinkage void