From: Daniel Jacobowitz <dan@debian.org>
To: ralf@linux-mips.org, linux-mips@linux-mips.org
Subject: Generate SIGILL again
Date: Sat, 26 Nov 2005 22:34:41 -0500 [thread overview]
Message-ID: <20051127033441.GA32180@nevyn.them.org> (raw)
The rdhwr emulation accidentally swallowed the SIGILL from most other
illegal instructions. Make sure to return -EFAULT by default.
Signed-off-by: Daniel Jacobowitz <dan@codesourcery.com>
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 7f60f61..63db2fa 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -534,13 +534,14 @@ static inline int simulate_rdhwr(struct
switch (rd) {
case 29:
regs->regs[rt] = ti->tp_value;
- break;
+ return 0;
default:
return -EFAULT;
}
}
- return 0;
+ /* Not ours. */
+ return -EFAULT;
}
asmlinkage void do_ov(struct pt_regs *regs)
--
Daniel Jacobowitz
CodeSourcery, LLC
reply other threads:[~2005-11-27 3:31 UTC|newest]
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