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authorRalf Baechle <ralf@linux-mips.org>2006-04-05 09:45:45 +0100
committerRalf Baechle <ralf@linux-mips.org>2006-04-19 04:14:28 +0200
commit41c594ab65fc89573af296d192aa5235d09717ab (patch)
tree562462512a320f386bdf49eabfbb26bb3ee761fa /arch/mips/mm/fault.c
parent2600990e640e3bef29ed89d565864cf16ee83833 (diff)
downloadblackbird-op-linux-41c594ab65fc89573af296d192aa5235d09717ab.tar.gz
blackbird-op-linux-41c594ab65fc89573af296d192aa5235d09717ab.zip
[MIPS] MT: Improved multithreading support.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/mm/fault.c')
-rw-r--r--arch/mips/mm/fault.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c
index 2d9624fd10ec..e3a617224868 100644
--- a/arch/mips/mm/fault.c
+++ b/arch/mips/mm/fault.c
@@ -157,7 +157,6 @@ no_context:
* Oops. The kernel tried to access some bad page. We'll have to
* terminate things with extreme prejudice.
*/
-
bust_spinlocks(1);
printk(KERN_ALERT "CPU %d Unable to handle kernel paging request at "
@@ -188,11 +187,20 @@ do_sigbus:
/* Kernel mode? Handle exceptions or die */
if (!user_mode(regs))
goto no_context;
-
+ else
/*
* Send a sigbus, regardless of whether we were in kernel
* or user mode.
*/
+#if 0
+ printk("do_page_fault() #3: sending SIGBUS to %s for "
+ "invalid %s\n%0*lx (epc == %0*lx, ra == %0*lx)\n",
+ tsk->comm,
+ write ? "write access to" : "read access from",
+ field, address,
+ field, (unsigned long) regs->cp0_epc,
+ field, (unsigned long) regs->regs[31]);
+#endif
tsk->thread.cp0_badvaddr = address;
info.si_signo = SIGBUS;
info.si_errno = 0;
@@ -201,7 +209,6 @@ do_sigbus:
force_sig_info(SIGBUS, &info, tsk);
return;
-
vmalloc_fault:
{
/*
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