Commit 0acad8df authored May 11, 2009 by Robin Getz Committed by Mike Frysinger Jun 12, 2009

Blackfin: add workaround for anomaly 05000461



Returning too fast with a bad RETI can trigger false errors.

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

parent a0cab656

arch/blackfin/kernel/traps.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -594,6 +594,9 @@ asmlinkage void trap_c(struct pt_regs *fp)
		force_sig_info(sig, &info, current);
		}

		if (ANOMALY_05000461 && trapnr == VEC_HWERR && !access_ok(VERIFY_READ, fp->pc, 8))
		fp->pc = SAFE_USER_INSTRUCTION;

		trace_buffer_restore(j);
		return;
		}