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Merge commit 'v2.6.32-rc5' into perf/probes

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Conflicts:
	kernel/trace/trace_event_profile.c

Merge reason: update to -rc5 and resolve conflict.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar
2009-10-17 09:58:25 +02:00
parent 595c36490d 012abeea66
commit bb3c3e8071
2812 changed files with 144770 additions and 55670 deletions
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19
arch/x86/mm/fault.c
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@@ -168,6 +168,7 @@ force_sig_info_fault(int si_signo, int si_code, unsigned long address,
info.si_errno = 0;
info.si_code = si_code;
info.si_addr = (void __user *)address;
info.si_addr_lsb = si_code == BUS_MCEERR_AR ? PAGE_SHIFT : 0;
force_sig_info(si_signo, &info, tsk);
}
@@ -791,10 +792,12 @@ out_of_memory(struct pt_regs *regs, unsigned long error_code,
}
static void
do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long address)
do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long address,
unsigned int fault)
{
struct task_struct *tsk = current;
struct mm_struct *mm = tsk->mm;
int code = BUS_ADRERR;
up_read(&mm->mmap_sem);
@@ -810,7 +813,15 @@ do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long address)
tsk->thread.error_code = error_code;
tsk->thread.trap_no = 14;
force_sig_info_fault(SIGBUS, BUS_ADRERR, address, tsk);
#ifdef CONFIG_MEMORY_FAILURE
if (fault & VM_FAULT_HWPOISON) {
printk(KERN_ERR
"MCE: Killing %s:%d due to hardware memory corruption fault at %lx\n",
tsk->comm, tsk->pid, address);
code = BUS_MCEERR_AR;
}
#endif
force_sig_info_fault(SIGBUS, code, address, tsk);
}
static noinline void
@@ -820,8 +831,8 @@ mm_fault_error(struct pt_regs *regs, unsigned long error_code,
if (fault & VM_FAULT_OOM) {
out_of_memory(regs, error_code, address);
} else {
if (fault & VM_FAULT_SIGBUS)
do_sigbus(regs, error_code, address);
if (fault & (VM_FAULT_SIGBUS|VM_FAULT_HWPOISON))
do_sigbus(regs, error_code, address, fault);
else
BUG();
}