[kvm-unit-tests PATCH v5 13/29] powerpc: Make interrupt handler error more readable

Nicholas Piggin npiggin at gmail.com
Sun Dec 17 00:42:40 AEDT 2023


Installing the same handler twice reports a shifted trap vector
address which is hard to decipher. Print the unshifed address.

Signed-off-by: Nicholas Piggin <npiggin at gmail.com>
---
 lib/powerpc/processor.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/powerpc/processor.c b/lib/powerpc/processor.c
index aaf45b68..b4cd5b4c 100644
--- a/lib/powerpc/processor.c
+++ b/lib/powerpc/processor.c
@@ -26,7 +26,7 @@ void handle_exception(int trap, void (*func)(struct pt_regs *, void *),
 	trap >>= 8;
 
 	if (func && handlers[trap].func) {
-		printf("exception handler installed twice %#x\n", trap);
+		printf("exception handler installed twice %#x\n", trap << 5);
 		abort();
 	}
 	handlers[trap].func = func;
-- 
2.42.0



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