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| author | Tony Lindgren <tony@atomide.com> | 2010-05-20 22:37:23 +0400 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2010-05-20 22:37:23 +0400 |
| commit | f6304f5804f228b6c2fea9e3dfac25c5b2db9b38 (patch) | |
| tree | 362b9b6a3bd32b868e5917a32d448ac75c5854df /arch/s390/mm/fault.c | |
| parent | 4fa73a1bf89ebea4eba8a9982b5f64d266d8b5e9 (diff) | |
| parent | 6daa642d9b8ec762b3c5641cd5e5fa855a5405bf (diff) | |
| download | linux-f6304f5804f228b6c2fea9e3dfac25c5b2db9b38.tar.xz | |
Merge branch 'omap4-i2c-init' into omap-for-linus
Diffstat (limited to 'arch/s390/mm/fault.c')
| -rw-r--r-- | arch/s390/mm/fault.c | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index 3040d7c78fe0..2505b2ea0ef1 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -48,10 +48,6 @@ #define __PF_RES_FIELD 0x8000000000000000ULL #endif /* CONFIG_64BIT */ -#ifdef CONFIG_SYSCTL -extern int sysctl_userprocess_debug; -#endif - #define VM_FAULT_BADCONTEXT 0x010000 #define VM_FAULT_BADMAP 0x020000 #define VM_FAULT_BADACCESS 0x040000 @@ -120,6 +116,22 @@ static inline int user_space_fault(unsigned long trans_exc_code) return trans_exc_code != 3; } +static inline void report_user_fault(struct pt_regs *regs, long int_code, + int signr, unsigned long address) +{ + if ((task_pid_nr(current) > 1) && !show_unhandled_signals) + return; + if (!unhandled_signal(current, signr)) + return; + if (!printk_ratelimit()) + return; + printk("User process fault: interruption code 0x%lX ", int_code); + print_vma_addr(KERN_CONT "in ", regs->psw.addr & PSW_ADDR_INSN); + printk("\n"); + printk("failing address: %lX\n", address); + show_regs(regs); +} + /* * Send SIGSEGV to task. This is an external routine * to keep the stack usage of do_page_fault small. @@ -133,17 +145,7 @@ static noinline void do_sigsegv(struct pt_regs *regs, long int_code, address = trans_exc_code & __FAIL_ADDR_MASK; current->thread.prot_addr = address; current->thread.trap_no = int_code; -#if defined(CONFIG_SYSCTL) || defined(CONFIG_PROCESS_DEBUG) -#if defined(CONFIG_SYSCTL) - if (sysctl_userprocess_debug) -#endif - { - printk("User process fault: interruption code 0x%lX\n", - int_code); - printk("failing address: %lX\n", address); - show_regs(regs); - } -#endif + report_user_fault(regs, int_code, SIGSEGV, address); si.si_signo = SIGSEGV; si.si_code = si_code; si.si_addr = (void __user *) address; |