On Thu, Jun 27, 2013 at 02:05:39PM +1000, Stephen Rothwell wrote:

Hi Michael,

On Tue, 25 Jun 2013 17:47:56 +1000 Michael Ellerman [off-list ref] wrote:

quoted

-void tm_unavailable_exception(struct pt_regs *regs)
+void facility_unavailable_exception(struct pt_regs *regs)
 {
+	static char *facility_strings[] = {
+		"FPU",
+		"VMX/VSX",
+		"DSCR",
+		"PMU SPRs",
+		"BHRB",
+		"TM",
+		"AT",
+		"EBB",
+		"TAR",
+	};

Are the indexes into this array defined somewhere?  If not, can we do
that.  Then, can we use explicit indexed initialisers for this array?

I'm not sure I follow.

The mapping is defined by the definition of the "Interruption Cause"
field of the FSCR, section 6.2.10 of PowerISA v2.07.

cheers